Trane CGAM Installation & Operation Manual
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Trane CGAM Installation & Operation Manual

Air-cooled scroll chillers 20 - 130 tons
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Installation
Operation
Maintenance
Air-Cooled Scroll Chillers
Model CGAM
20 – 130 Tons — Made in USA
SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
January 2011
CG-SVX17D-EN

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Summary of Contents for Trane CGAM

  • Page 1 Installation Operation Maintenance Air-Cooled Scroll Chillers Model CGAM 20 – 130 Tons — Made in USA SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
  • Page 2 CFCs such as HCFCs and HFCs. Responsible Refrigerant Practices! Trane believes that responsible refrigerant practices are important to the environment, our customers, and the air conditioning industry. All technicians who handle refrigerants must be certified. The Federal Clean Air Act (Section 608) sets forth the requirements for handling, reclaiming, recovering and recycling of certain refrigerants and the equipment that is used in these service procedures.
  • Page 3 Failure to follow all electrical safety precautions when exposed to live electrical components could result in serious injury or death. Trademarks Trane and the Trane logo are trademarks of Trane in the United States and other countries. All trademarks referenced in this document are the trademarks of their respective owners. CG-SVX17D-EN...

  • Page 4: Table Of Contents

    Table of Contents Model Number Description ..........8 Unit Nameplate .
  • Page 5 ..........100 Oil System Operation (CGAM) .
  • Page 6 Controls Interface ........... . . 106 DynaView Interface .
  • Page 7 Maintenance ............155 Periodic Maintenance .

  • Page 8: Model Number Description

    This manual covers the installation, operation and maintenance of the CGAM units. Nameplates The CGAM unit nameplates are applied to the exterior surface of the control panel door for 20-70 Ton sizes. The 80-120 Ton sizes have a nameplate on a support beam to the right side of the starter panel.

  • Page 9: Unit Model Number

    Model Number Description Unit Model Number Digit 1-4 Chiller Model Digit 19 Insulation Digit 30 Unit Operator CGAM Air-Cooled Scroll Factory Insulation - All Interface Packaged Chiller Cold Parts Dyna-View/English Insulation for High Dyna-View/Spanish-Spain Digit 5-7 Unit Nominal Ton Humidity/Low Evap Temp...

  • Page 10: Compressor Nameplate

    Model Number Description Digit 38 Short Circuit Digit 42 Appearance Digit 47 Performance Test Rating Options Options Default A Short Circuit No Appearance Options No Performance Test Rating Architectural Louvered 1 Point Test with Report High A Short Circuit Rating Panels Witness 1 Point Test with Half Louvers...

  • Page 11: Compressor Model Number

    Model Number Description Figure 2. CGAM Compressor Nameplate Compressor Model Number The compressor model number is located on the compressor nameplates. Digit 1,2,3,4 Digit 8 – Voltage Digit 11 – Protection CSHD - Light Commercial J - 200-230/3/60 Module Voltage...

  • Page 12: General Information

    General Information Unit Description The CGAM units are scroll type, air-cooled, liquid chillers, designed for installation outdoors. The 20-35 ton units have a single independent refrigerant circuit, with two compressors per circuit. The 40 ton and larger units have 2 independent refrigerant circuits, with two compressors per circuit.
  • Page 13 General Information Figure 4. CGAM “V” 40-70 Ton Configuration Figure 5. CGAM “W” 80-130 Ton Configuration CG-SVX17D-EN...

  • Page 14: Accessory/Options Information

    General Information Accessory/Options Information Check all the accessories and loose parts which are shipped with the unit against the original order. Included in these items will be water vessel drain plugs, rigging diagrams, electrical diagrams, and service literature, which are placed inside the control panel and/or starter panel for shipment. Also check for optional components, such as isolators.
  • Page 15 General Information Figure 7. V 40-70 Ton - Ship with Location - Isolators and Prop Rod Isolators Prop Rod Figure 8. W 80-130 Ton - Ship with Location - Isolators and Prop Rod Prop Rod Isolators CG-SVX17D-EN...

  • Page 16: General Data

    General Data General Data Table 1. General Data - 60 Hz - IP Size Compressor Number 20+20 Tonnage/circuit¹ 10+10 13+13 15+15 15+20 10+10 13+13 15+15 15+20 20+20 20+25 25+25 25+30 30+30 Evaporator Water storage (gal) 10.3 11.5 11.5 12.3 Min. flow² (gpm) Max.
  • Page 17 General Data Table 2. General Data - 60 Hz - SI Size Compressor Number 20+20 Tonnage/circuit¹ 10+10 13+13 15+15 15+20 10+10 13+13 15+15 15+20 20+20 20+25 25+25 25+30 30+30 Evaporator Water storage 12.1 15.5 18.9 28.4 26.5 34.1 39.0 43.5 43.5 46.6 Min.
  • Page 18 General Data Table 3. General Data - 50 Hz - IP Size Compressor Number Tonnage/circuit¹ 10+10 13+13 15+15 15+20 10+10 13+13 15+15 15+20 20+20 20+25 25+25 25+30 30+30 Evaporator Water storage (gal) 10.3 11.5 11.5 Min. flow² (gpm) Max. flow² (gpm) Water connection (in) Condenser...
  • Page 19 General Data Table 4. General Data - 50 Hz - SI Size Compressor Number Tonnage/circuit¹ 10+10 13+13 15+15 15+20 10+10 13+13 15+15 15+20 20+20 20+25 25+25 25+30 30+30 Evaporator Water storage 12.1 15.5 18.9 28.4 26.5 34.1 39.0 43.5 43.5 Min.
  • Page 20 General Data Table 5. General Data – 60 Hz – SI Size Compressor Number Tonnage/circuit¹ 10+10 13+13 15+15 15+20 10+10 13+13 15+15 15+20 20+20 20+25 25+25 25+30 30+30 Evaporator Water storage 12.1 15.5 18.9 28.4 26.5 34.1 39.0 43.5 43.5 Min.
  • Page 21 General Data Table 6. General Data – 50 Hz – I-P Size Compressor Number Tonnage/circuit¹ 10+10 13+13 15+15 15+20 10+10 13+13 15+15 15+20 20+20 20+25 25+25 25+30 30+30 Evaporator Water storage (gal) 10.3 11.5 11.5 Min. flow² (gpm) Max. flow² (gpm) Water connection (in) Condenser...
  • Page 22 General Data Table 7. General Data – 50 Hz – SI Size Compressor Number Tonnage/circuit¹ 10+10 13+13 15+15 15+20 10+10 13+13 15+15 15+20 20+20 20+25 25+25 25+30 30+30 Evaporator Water storage 12.1 15.5 18.9 28.4 26.5 34.1 39.0 43.5 43.5 Min.

  • Page 23: Pre-Installation

    Notify the carrier's terminal of the damage immediately, by phone and by mail. Request an immediate, joint inspection of the damage with the carrier and the consignee. • Notify the Trane sales representative and arrange for repair. Do not repair the unit, however, until damage is inspected by the carrier's representative. Unit Storage If the chiller is to be stored in ambients of 32°F or less, evaporator should be blown out to remove...

  • Page 24: Installation Requirements

    Pre-Installation Installation Requirements A list of the contractor responsibilities typically associated with the unit installation process is provided. Type of Trane Supplied Trane Supplied Field Supplied Requirement Trane Installed Field Installed Field Installed Foundation • Meet foundation requirements • Safety chains Rigging •...

  • Page 25: Unit Dimensions/Weights

    113.8 in (2890 mm) Water connections are 1.7 in (44 mm) from the end. Figure 10. CGAM 20 and 26 ton - service clearances and mounting locations Mounting Locations Service Clearance Distance from edge to middle of mounting hole 1.5 in (38 mm)
  • Page 26 The number of fans shown does not represent Water connections are 1.6 in (40 mm) the number of fans installed. from unit end. Figure 12. CGAM 30 and 35 ton - service clearances and mounting locations Mounting Locations Service Clearance Distance from edge to...
  • Page 27 (2245 mm) 113.8 in (2890 mm) 14.4 in (367 mm) Water connections are even with unit end. Figure 14. CGAM 40 and 52 ton- service clearances and mounting locations Mounting Locations Service Clearance Distance from edge to middle of mounting hole 1.5 in (38 mm)
  • Page 28 The number of fans shown does not represent Water connections are even with unit end. the number of fans installed. Figure 16. CGAM 60 and 70 ton - service clearances and mounting locations Mounting Locations Service Clearance Distance from edge to...
  • Page 29 143.1 in (3634 mm) (292 mm) Water connections are 5.5 in (139 mm) from unit end. Figure 18. CGAM 80 and 90 ton - service clearances and mounting locations Mounting Locations Service Clearance Distance from edge to middle of mounting hole Hole dia 0.56 in (15 mm)
  • Page 30 The number of fans shown does not represent the from unit end. number of fans installed. Figure 20. CGAM 100, 110 and 120 ton- service clearances and mounting locations Mounting Locations Service Clearance The number of fans shown does not represent the Distance from edge to number of fans installed.
  • Page 31 149.8 in (3804 mm) 201.9 in (5128 mm) Water connections are 25 in (635 mm) from unit end. Figure 22. CGAM 130 ton- service clearances and mounting locations Mounting Locations Service Clearance The number of fans shown does not represent the Distance from edge to number of fans installed.

  • Page 32: Unit Dimensions - Optional Pump Package, Buffer Tank, Partial Heat Recov

    Unit Dimensions/Weights Unit Dimensions - Optional Pump Package, Buffer Tank, Partial Heat Recovery Figure 23. Sizes 20 and 26 ton — pump package, buffer tank, partial heat recovery Control Panel 84.7 in (2151 mm) Pump Package Buffer Tank Wire Connection Compressor Pump Package 20.8 in (529 mm)
  • Page 33 Unit Dimensions/Weights Figure 25. Sizes 40 and 52 ton — pump package, buffer tank, partial heat recovery Pump Package Control Panel Wire Connection Compressor Buffer Tank 84.8 in Pump (2155 mm) Package 23.7 in (602 mm) Lifting 88.6 in (2250 mm) Locations 89.9 in (2282 mm) Length w/ PP or PHR...
  • Page 34 Unit Dimensions/Weights Figure 27. Sizes 80 and 90 ton — pump package, buffer tank, partial heat recovery Compressors Buffer Tank Pump Package VFD Control Panel 92 in (2337 mm) Pump Package Wire Connection Lifting 29.6 in (752 mm) Locations 89 in (2261 mm) 89.2 in (2265 mm) Length w/ buffer tank 144 in (3658 mm)
  • Page 35 Unit Dimensions/Weights Figure 29. Size 130 ton — pump package, buffer tank, partial heat recovery Compressors Buffer Tank Pump Package Pump Package VFD Control Panel 92 in (2337 mm) Wire Connection 29.6 in (752 mm) Lifting 89 in (2261 mm) Locations 149.8 in (3804 mm) 203.0 in (5156 mm)

  • Page 36: Pump Package, Partial Heat Recover And Buffer Tank - Water Connections

    Unit Dimensions/Weights Pump Package, Partial Heat Recover and Buffer Tank - Water Connections Figure 30. CGAM 20 and 26 ton - pump package, buffer tank, partial heat recovery unit water connections Pump Package Buffer Tank Partial Heat Recovery Chilled Chilled...
  • Page 37 Unit Dimensions/Weights Figure 32. CGAM 40 and 52 ton- pump package, buffer tank, partial heat recovery unit water connections Pump Package Buffer Tank Partial Heat Recovery Heating outlet Heating inlet Chilled water Chilled water inlet inlet Chilled Chilled water water outlet 54.8in...
  • Page 38 Unit Dimensions/Weights Figure 34. CGAM 80 and 120 ton- pump package unit water connections Pump Package Partial Heat Recovery 1.8 in (46 mm) Heating outlet Heating inlet Chilled water inlet 28.9 in (733 mm) 49.6 in (1259mm) 40.4 in (1025mm) 7.9 in (199 mm)

  • Page 39: Weights

    Unit Dimensions/Weights Weights Table 8. Weights - 60 Hz - no options Shipping Weight Operating Weight Tons pounds kilograms pounds kilograms 1968 1989 2020 2047 2562 1162 2588 1174 2592 1176 2627 1192 3508 1591 3537 1604 3589 1628 3629 1646 4639 2104...
  • Page 40 Unit Dimensions/Weights Table 10. Weights - 50 Hz Shipping Weight Operating Weight Tons pounds kilograms pounds kilograms 1893 1914 1946 1972 2463 1117 2489 1129 2493 1131 2528 1147 3358 1523 3387 1536 3439 1560 3480 1579 4441 2014 4489 2036 4504 2043...

  • Page 41: Installation - Mechanical

    Refer to the chapter on “Unit Dimensions/Weights” for unit operating weights. Once in place, the unit must be level within 1/4” (6.4 mm) over its length and width. The Trane Company is not responsible for equipment problems resulting from an improperly designed or constructed foundation.
  • Page 42 Installation - Mechanical Lifting using either a single spreader bar or an H-type spreader is acceptable. Attach chains or cables to lifting beam. Lifting beam crossbars MUST be positioned so lifting cables do not contact the sides of the unit. Important: The center of gravity (CG) is never at the midpoint of the base rail lifting strap holes.
  • Page 43 Installation - Mechanical Figure 37. CGAM slant 20-35 ton rigging Figure 38. CGAM V 40-70 Ton Rigging CG-SVX17D-EN...
  • Page 44 Installation - Mechanical Figure 39. CGAM W 80-120 Ton Rigging CG-SVX17D-EN...
  • Page 45 Installation - Mechanical Table 11. CGAM Center of Gravity (in) - 60 Hz Unit with Pump Package Base Unit Unit with Pump Package and Buffer Tank Unit Units without partial heat recovery 20 ton 26 ton 30 ton 35 ton...
  • Page 46 Installation - Mechanical Table 12. CGAM Center of Gravity (in) - 50 Hz Unit with Pump Package and Base Unit Unit with Pump Package Buffer Tank Unit Units without partial heat recovery 20 ton 26 ton 30 ton 35 ton...

  • Page 47: Unit Isolation And Leveling

    3. Lower the unit on to the isolators and secure the isolator to the unit with a nut. Maximum isolator deflection should be approximately 1/4” . 4. Level the unit carefully. Refer to “Leveling” . Fully tighten the isolator mounting bolts. Figure 40. CGAM Elastomeric Isolator Max. Deflec tion...

  • Page 48: Mounting Point Locations And Weights

    Installation - Mechanical Mounting Point Locations and Weights Figure 41. Mounting Point Locations Table 13. Isolator locations - base unit - with or without partial heat recovery Location Size (ton) RDP-3 RDP-3 RDP-3 RDP-3 20-26 Grey 60 Grey 60 Grey 60 Grey 60 RDP-4 RDP-4...
  • Page 49 Installation - Mechanical Table 15. Isolator locations - with pump package and buffer tank option - with or without partial heat recovery Location Size (ton) RDP-3 RDP-3 RDP-4 RDP-4 20-35 Grey 60 Grey 60 Green 63 Green 63 RDP-4 RDP-4 RDP-4 RDP-4 40-52...
  • Page 50 Installation - Mechanical Table 17. Point weights (lbs) - 60 Hz - with pump package Isolator location Without partial heat recovery With partial heat recovery Size 20 ton 26 ton 30 ton 1004 35 ton 1006 1013 40 ton 1189 1071 1028 1077...
  • Page 51 Installation - Mechanical Table 19. Point Weights (lbs) - 50 Hz - base unit Isolator location Without partial heat recovery With partial heat recovery Size 20 ton 26 ton 30 ton 35 ton 40 ton 1150 1141 52 ton 1186 1178 60 ton 1100...

  • Page 52: Evaporator Piping

    Evaporator Piping Evaporator water connections are grooved. Thoroughly flush all water piping to the CGAM unit before making the final piping connections to the unit. Components and layout will vary slightly, depending on the location of connections and the water source.

  • Page 53: Evaporator Piping Components

    Installation - Mechanical Provide shutoff valves in lines to the gauges to isolate them from the system when they are not in use. Use rubber vibration eliminators to prevent vibration transmission through the water lines. If desired, install thermometers in the lines to monitor entering and leaving water temperatures. Install a balancing valve in the leaving water line to control water flow balance.

  • Page 54: Leaving Chilled Water Piping

    Installation - Mechanical Leaving Chilled Water Piping • Air vents (to bleed air from system) • Water pressure gauges with shutoff valves • Vibration eliminators • Shutoff (isolation) valves • Thermometers (if desired) • Balancing valve NOTICE: Water Damage! Standard pressure is 72.5 Psig for all factory installed components on the suction side of water pump.

  • Page 55: Evaporator Label

    Installation - Mechanical Evaporator Label The BPHE evaporator label, including barcode, is located under the insulation, in the locations shown in Figure 43, p. 55. Insulation backing over this area has not been removed, so that it can be rolled back to access BPHE label. Figure 43.

  • Page 56: Pressure Drop Curves

    Installation - Mechanical Pressure Drop Curves For overlapping pressure drop curves, see General Data Tables in section “General Information, ” p. 12 for limit values. Figure 44. Total unit pressure drop curves (60 Hz) t.of CG-SVX17D-EN...
  • Page 57 Installation - Mechanical Figure 45. Total Unit Pressure Drop Curves (50 Hz) t.of CG-SVX17D-EN...

  • Page 58: Freeze Protection

    5. Water pump (for protection with ambient temperatures down to 0°F) a. CH530 controller can start the pump when the ambient temperatures drops to prevent freezing. For this option the pump must to be controlled by the CGAM unit and this function must be validated.

  • Page 59: Low Evap Refrigerant Cutout/Percent Glycol Recommendations

    Installation - Mechanical NOTICE: Equipment Damage! All heaters have separate power from the unit. All heaters must be energized when the unit is off (unless the water circuit is drained). In the event of power loss heaters will not protect the evaporator from catastrophic damage.
  • Page 60 Installation - Mechanical Table 23. Low Evap Refrigerant Temp Cutout and Low Water Temp Cutout ETHYLENE GLYCOL PROPYLENE GLYCOL Min Chilled Water Set Min Chilled Water Set Refrig Water Point [F] Refrig Water Point [F] Solution Temp Temp Solution Temp Temp Freeze Cutout...

  • Page 61: Performance Adjustment Factors

    Installation - Mechanical Performance Adjustment Factors Concentration and type of glycol used will affect unit performance. If operating conditions, including concentration of freeze inhibitor, have changed since the unit was ordered, contact sales representative to rerun selection. See Figure 46, p. 61 through Figure 51, p.
  • Page 62 Installation - Mechanical Figure 48. Ethylene glycol performance factor - GPM adjustment 1.14 1.12 60 Hz 1.08 1.06 50 Hz 1.04 1.02 % ETHYLENE GLYCOL BY WEIGHT Figure 49. Propylene glycol performance factor - GPM adjustment 1.06 1.05 1.04 60 Hz 1.03 1.02 50 Hz...
  • Page 63 Installation - Mechanical Figure 50. Ethylene glycol performance factor - capacity adjustment 0.996 0.994 0.992 0.99 60 Hz 0.988 0.986 0.984 50 Hz 0.982 0.98 0.978 0.976 % ETHYLENE GLYCOL BY WEIGHT Figure 51. Propylene glycol performance factor - capacity adjustment 0.995 0.99 0.985...

  • Page 64: Partial Heat Recovery

    Installation - Mechanical Partial Heat Recovery The partial heat recovery is comprised of an auxiliary heat exchanger installed in the discharge line between the compressor and the air -cooled condenser. The heat exchanger cools compressor discharge gas and rejects the energy to a separate water loop for hot water applications. The chiller can simultaneously produce chilled and hot water.
  • Page 65 Figure 52. Partial Heat Recovery Piping Recommendations CGAM Unit Note: In addition to those recommended for field piping, the CGAM unit includes factory installed manual air vent and water drain valve with partial heat recovery option. See Figure 73, p. 98 through Figure 75, p.

  • Page 66: Partial Heat Recovery Freeze Protection

    Installation - Mechanical Partial Heat Recovery Freeze Protection The heat recovery condenser is insulated and a factory-installed heater is installed and will protect the heat exchanger from freezing in ambient temperatures down to -20°F (-29°C). When the ambient temperature drops to approximately 39°F (3.9°C) the thermostat energizes the heaters.
  • Page 67 Installation - Mechanical Figure 54. Partial heat recovery pressure drop curve — 50 Hz PHR Water PD Curve (50Hz) 80/90/100 60/70 110/120 40/52 30/35 20/26 PHR Water Flow Rate (gpm) Table 24. Partial heat recovery flow rates — 60 Hz Size Nominal Flow (gpm)

  • Page 68: Dual High Head Pump Package

    Table 26. Field water piping components - unit with pump package option Item Description Item Description Bypass Valve Vibration Eliminator Isolator Valve Isolate unit for initial water loop cleaning Figure 56, p. 69 for CGAM pump package unit schematic. CG-SVX17D-EN...
  • Page 69 Installation - Mechanical Figure 56. Pump package unit schematic INLET OUTLET Water Line Insulated Water Line Table 27. Pump package components Item Description Item Description Centrifugal Pump Evaporator heat exchanger Water Strainer Automatic Air Vent Butterfly Valve Manual Air Bleed Inverter Drain Valve Valve for Pressure Point...
  • Page 70 Installation - Mechanical Figure 57. Pump package water pressure drop curve - 60 Hz FLOW RATE (GPM) Figure 58. Pump package water pressure drop curve - 50 Hz FLOW RATE (L/s) CG-SVX17D-EN...
  • Page 71 Installation - Mechanical The following requirements must be met for proper operation of pump package: • Maximum working pressure 150 psig • Fluid type shown in Table 28 Table 28. Working fluid Fluid Type Fluid Percent (of weight) Water 100% Ethylene Glycol 0-40% Propylene Glycol...

  • Page 72: Installation - Electrical

    Installation - Electrical General Recommendations All wiring must comply with local codes and the National Electric Code. Typical field wiring diagrams are included at the end of the manual. Minimum circuit ampacities and other unit electrical data are on the unit nameplate. See the unit order specifications for actual electrical data. Specific electrical schematics and connection diagrams are shipped with the unit.

  • Page 73: Electrical Data Tables

    Installation - Electrical Electrical Data Tables Table 30. Electrical Data - 60 Hz No pump Pump Unit Motor Cond Size Rated Number Power Compressor Compressor Power Circuits Comp Fans (kw) RLA¹ LRA² MOPD 208/60/3 39-39 267-267 230/60/3 39-39 267-267 380/60/3 22-22 160-160 460/60/3...
  • Page 74 Installation - Electrical Table 30. Electrical Data - 60 Hz No pump Pump Unit Motor Cond Size Rated Number Power Compressor Compressor Power Circuits Comp Fans (kw) RLA¹ LRA² MOPD 208/60/3 74-74/74-74 485-485/485-485 230/60/3 67-67/67-67 485-485/485-485 380/60/3 40-40/40-40 260-260/260-260 460/60/3 33-33/33-33 215-215/215-215 575/60/3...
  • Page 75 Installation - Electrical Table 31. Lug Range Size - 60 Hz No Pump Pump Terminal Std Fault High Fault Terminal Std Fault High Fault Unit Size Rated Power Blocks Ckt Breaker¹ Ckt Breaker¹ Blocks Ckt Breaker¹ Ckt Breaker¹ 208/60/3 #6 - 350 MCM #14 - 1/0 #14 - 1/0 #6 - 350 MCM...
  • Page 76 Installation - Electrical Table 31. Lug Range Size - 60 Hz No Pump Pump Terminal Std Fault High Fault Terminal Std Fault High Fault Unit Size Rated Power Blocks Ckt Breaker¹ Ckt Breaker¹ Blocks Ckt Breaker¹ Ckt Breaker¹ 208/60/3 #4 - 500 MCM 3/0 - 500 MCM²...
  • Page 77 Installation - Electrical Table 32. Electrical Data - 50Hz Unit Rated Number Fan Motor Cond Fan Compressor Compressor Size Power Circuits Comp Fans Power (kW) RLA¹ ² LRA¹ ³ MOPD 400/50/3 17-17 142-142 400/50/3 21-21 158-158 400/50/3 27-27 160-160 400/50/3 27-33 160-215 400/50/3...

  • Page 78: Installer-Supplied Components

    Installation - Electrical Installer-Supplied Components Customer wiring interface connections are shown in the electrical schematics and connection diagrams that are shipped with the unit. The installer must provide the following components if not ordered with the unit: • Power supply wiring (in conduit) for all field-wired connections. •...
  • Page 79 Installation - Electrical WARNING Hazardous Voltage! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure the power can not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury. All wiring must comply with local codes and the National Electrical Code.

  • Page 80: Control Power Supply

    Installation - Electrical Table 34. Power Entrance “V” Configuration 40-70 Ton Incoming “Slant” Configuration 20-35 Ton Voltage Power Power Voltage Incoming Power Power “W” Configuration 80-130 Ton Incoming Power Low Voltage Power Control Power Supply The unit is equipped with a control power transformer; it is not necessary to provide additional control power voltage to the unit.

  • Page 81: Heater Power Supply

    Interconnecting Wiring Chilled Water Flow (Pump) Interlock All CGAM model chillers have a factory-installed flow switch. In addition, it is recommended to use an additional field-supplied control voltage contact input through an auxiliary contact to prove flow. Connect the auxiliary contact to 1X5-3 and 1X5-9. Refer to the field wiring for details. The auxiliary contact can be a BAS signal, starter contactor auxiliary or any signal which indicates the pump is running.

  • Page 82: Chilled Water Pump Control - Field Supplied Dual Pumps

    Note: If pump control is used for freeze protection then the pump MUST be controlled by the CGAM CH530 control. If another method of freeze protection is used (i.e. glycol, heaters, purge, etc) then the pump may be controlled by another system.

  • Page 83: Alarm And Status Relay Outputs (Programmable Relays)

    The relays to be programmed are referred to by the relay’s terminal numbers on the LLID board 1A18. The default assignments for the four available relays of the CGAM Alarm and Status Package Option are: Table 37. Default Relay Assignments...

  • Page 84: Low Voltage Wiring

    Installation - Electrical If any of the Alarm/Status relays are used, provide electrical power, 115 VAC with fused-disconnect to the panel and wire through the appropriate relays (terminals on 1A13. Provide wiring (switched hot, neutral, and ground connections) to the remote annunciation devices. Do not use power from the chiller’s control panel transformer to power these remote devices.

  • Page 85: External Chilled Water Setpoint (Ecws) Option

    Installation - Electrical building” to “ice complete” . When contact 5K16 is provided, the chiller will run normally when the contact is open. CH530 will accept either an isolated contact closure (External Ice Building command) or a Remote Communicated input (Tracer) to initiate and command the Ice Building mode. CH530 also provides a “Front Panel Ice Termination Setpoint”...

  • Page 86: External Demand Limit Setpoint (Edls) Option

    Installation - Electrical If the ECWS input develops an open or short, the LLID will report either a very high or very low value back to the main processor. This will generate an informational diagnostic and the unit will default to using the Front Panel (DynaView) Chilled Water Setpoint.

  • Page 87: Chilled Water Reset (Cwr)

    Installation - Electrical Figure 59. Wiring Examples for ECLS and EDLS Chilled Water Reset (CWR) CH530 resets the chilled water temperature set point based on either return water temperature, or outdoor air temperature. The following shall be selectable: • One of three Reset Types: None, Return Water Temperature Reset, Outdoor Air Temperature Reset, or Constant Return Water Temperature Reset.

  • Page 88: Percent Capacity Output Option

    Installation - Electrical CWS is the active chilled water set point before any reset has occurred, e.g. normally Front Panel, Tracer, or ECWS RESET RATIO is a user adjustable gain START RESET is a user adjustable reference TOD is the outdoor temperature TWE is entering evap.

  • Page 89: Communications Interface Options

    Termination resistors are required • 105 ohms at each end for Level 4 wire • 82 ohms at each end for Trane "purple" wire • LCI-C topology should be daisy chain • Zone sensor communication stubs limited to 8 per link, 50 feet each (maximum) •...
  • Page 90 Installation - Electrical Table 39. LonTalk Points List Inputs/Outputs Length and Contents SNVT / UNVT Chiller Enable/Disable Request 2 bytes SNVT_switch Chilled Water Setpoint 2 bytes SNVT_temp_p Capacity Limit Setpoint 2 bytes SNVT_lev_percent (used by Demand Limit Setpoint) Operating Mode Request 1 byte SNVT_hvac_mode Chiller Running State...

  • Page 91: Cgam Operating Principles

    CGAM Operating Principles This section contains an overview of the operation of CGAM air-cooled liquid chiller equipped with microcomputer-based control systems. It describes the overall operating principles of the CGAM water chiller. Note: To ensure proper diagnosis and repair, contact a qualified service organization if a problem should occur.
  • Page 92 CGAM Operating Principles Figure 61. V 40-70 ton component location - circuit 1 High pressure side Discharge line Low pressure side Schrader Ball valve Schrader Figure 62. V 40-70 ton component location- circuit 2 Flow switch High pressure side Drain...
  • Page 93 CGAM Operating Principles Figure 63. W 80-130 ton component location - compressor view Figure 64. W 80-130 ton component location - evaporator side CG-SVX17D-EN...

  • Page 94: Pump Package Components - Optional

    CGAM Operating Principles Pump Package Components - Optional Figure 65. Pump package components — slant 20-35 ton — view 1 Expansion tank Pump Manual air bleed Gauge Pressure port Butterfly Valve Pressure port Strainer Thermostat Blow down valve Victaulic coupling...
  • Page 95 CGAM Operating Principles Figure 67. Pump package components — V 40-70 ton — view 1 Manual air bleed Victaulic coupling Pump Temperature sensor Relief valve Junction box Drain Valve Expansion tank Immersion Heater Pressure port Handle Thermostat Gauge pressure port...
  • Page 96 CGAM Operating Principles Figure 69. Pump package components — V 40-70 ton — view 3 Pressure port Immersion Flow switch Heater Figure 70. Pump package components — W 80-130 ton — view 1 Buffer tank (optional) Auto air bleed Expansion tank...

  • Page 97: Buffer Tank Components - Optional

    CGAM Operating Principles Figure 71. Pump package components — W 80-130 ton — view 2 Victaulic coupling Immersion heater Victaulic coupling Temperature sensor Immersion heater Temperature sensor Manual air bleed Pressure port Drain valve Butterfly valve Flow switch Pressure port Buffer Tank Components - Optional Figure 72.

  • Page 98: Partial Heat Recovery Components

    CGAM Operating Principles Partial Heat Recovery Components Figure 73. Partial heat recovery components — slant 20-35 ton Manual Air Bleed Victaulic Coupling Pressure Transducer Temperature Sensor Schrader Valve Temperature Sensor Immersion Heater Drain Valve BPHE CG-SVX17D-EN...
  • Page 99 CGAM Operating Principles Figure 74. Partial heat recovery components - V 40-70 tons Temperature Sensor Victaulic Couplings Pressure Transducer Schrader Valve Manual Air Bleed Immersion Heater BPHE Drain Valve Figure 75. Partial heat recovery components — W 80-130 ton Victaulic Coupling...

  • Page 100: Refrigerant Cycle

    CGAM Operating Principles Refrigerant Cycle The refrigeration cycle of the Model CGAM chiller is conceptually similar to other Trane air-cooled chiller products. The CGAM chiller uses a brazed plate evaporator and an air-cooled condenser. The compressors use suction gas cooled motors and an oil management system to provide almost oil- free refrigerant to the condenser and evaporator for maximum heat transfer while lubricating and sealing compressor bearings.
  • Page 101 CGAM Operating Principles Figure 76. Pressure/Enthalpy Curve Liquid Pressure Enthalpy CG-SVX17D-EN...
  • Page 102 CGAM Operating Principles Figure 77. CGAM Refrigerant Circuit SERVICE VALVE SCHRADER VALVE ANGLE VALVE SUCTION LINE BALL VALVE FILTER & DRIER LIQUID LINE COMP 1B COMP 1A SCHRADER VALVE DISCHARGE LINE SCHRADER VALVE SERVICE VALVE BPHE CG-SVX17D-EN...

  • Page 103: Oil System Operation (Cgam)

    Overview The oil is efficiently separated inside the scroll compressor and will remain in the scroll compressor during all run cycles. Between 1-2% of the oil circulates around with the refrigerant. Figure 78. CGAM Scroll Compressor Sizes CSHD125-161 (10-13) TON...
  • Page 104 CGAM Operating Principles Figure 79. 10-15 Ton Compressor Internal Components CG-SVX17D-EN...
  • Page 105 CGAM Operating Principles Figure 80. 15-30 Ton Compressor Internal Components CG-SVX17D-EN...

  • Page 106: Controls Interface

    Controls Interface CH530 Communications Overview The Trane CH530 control system that runs the chiller consists of several elements: • The main processor collects data, status, and diagnostic information and communicates commands to the starter module and the LLID (for Low Level Intelligent Device) bus. The main processor has an integral display (DynaView).

  • Page 107: Dynaview Interface

    Controls Interface DynaView Interface The DynaView enclosure design is weatherproof and made of durable plastic for use as a device on the outside of the unit. The display on DynaView is a 1/4 VGA display with a resistive touch screen and an LED backlight. The display area is approximately 4 inches wide by 3 inches high (102mm x 60mm).

  • Page 108: Display Screens

    Controls Interface Display Screens Basic Screen Format The basic screen format appears as: Tab navigator File folder Page scroll Page scroll Tabs (up) (down) Line scroll (up/down) Radio buttons Contrast control (darker) Contrast control (lighter) The file folder tabs across the top of the screen are used to select the various display screens. Scroll arrows are added if more file tabs (choices) are available.

  • Page 109: Auto, Stop/Immediate Stop

    Controls Interface Auto, Stop/Immediate Stop The Auto and Stop keys will be presented as radio buttons within the persistent key display area. The selected key will be black. The chiller will stop when the Stop key is touched, entering the Run Unload mode. An informational screen will be displayed for 5 seconds indicating that a second depression of an “Immediate Stop”...

  • Page 110: Manual Override Exists

    Controls Interface A complete listing of diagnostics and codes is included in the Diagnostic Section. Manual Override Exists An indicator to present the presence of a manual override will share space with the Alarms enunciator key. While a manual override exists, the space used for the Alarms key will be occupied by a “Manual”...

  • Page 111: Chiller Operating Mode

    Controls Interface The remaining items (listed in the following table) will be viewed by selecting the up/down arrow icons. Table 40. Main Screen Data Fields Table Description Units Resolution Chiller Mode (>> submodes) enumeration Circuit Mode (>> submodes) enumeration Circuit 1 Mode (>> submodes) enumeration Circuit 2 Mode (>>...

  • Page 112: Other Active Setpoints

    Controls Interface The chilled water reset status area in the right most column will display one of the following messages • Return • Constant Return • Outdoor • Disabled The left column text “Front Panel” , “BAS” or “Schedule” , “External” , “Auxiliary” , “Chilled Water Reset”...

  • Page 113: Settings Screen

    Settings Sub-Screens - Table of Text, Data, Ranges, etc. Below is the table of text, resolution, field size, enumerated selections, and data for Settings subscreens. See the functional specification “CGAM Settings and Setpoints” for further information such as ranges and operation.
  • Page 114 Controls Interface Table 42. Feature Settings Resolution or (Enumerations), Default Units Description Local Time of Day Schedule Subscreen (see below) External/BAS Subscreen (see below) Chilled Water Reset Subscreen (see below) Table 43. External/BAS Feature Settings (subscreen of Feature Settings) Resolution or (Enumerations), Description Default Units...

  • Page 115: Local Time Of Day Schedule Screen

    Controls Interface Table 45. Control Settings Resolution or (Enumerations), Description Default Units Evap Flow Overdue Wait Time: 30 seconds Seconds (MM:SS) Disch Press Limit Setpt: Percent Disch Press Limit Unload Setpt: Percent Table 46. System Manual Control Settings Resolution or Description (Enumerations), Default Units...
  • Page 116 Controls Interface This screen shows the overall feature enable/disable setting, plus a listing of all 10 events, including their event time and active days of the week. Local Settings Event Screen This screen displays the details for a particular event, including the active days, event time, and the Local Schedule arbitrated setpoints.
  • Page 117 Controls Interface Event Enable/Disable Screen Event Active Days Screen This screen is unusual because it does not use radio buttons, which only allow one active selection at a time. These buttons are more like “selection buttons” or check boxes. The user can select any combination of days, or none at all.
  • Page 118 Controls Interface Event Time Screen Event Arbitrated Settings Screens For analog setpoints, the screen is slightly different than the standard screen, because there are two additional buttons - “Used” and “Not Used” . Selecting “Used” will make the setting valid and allow the user to change the value.
  • Page 119 Controls Interface Table 48. Display Settings Description Resolution or (Enumerations), Default Units Language (English, Selection 2, Selection 3), English (0) Enum (1) Language choices are dependent on what the Service Tool has setup in the Main Processor. Get Radio Button names from Main Processor setups.
  • Page 120 Controls Interface Enumerated Settings Subscreen The enumerated setpoint subscreen has no cancel or enter key. Once a radio key is depressed the item is immediately set to the new enumeration value. Mode Override Subscreens The Mode Override subscreen has no cancel or enter key. Once a radio key is depressed that new value is immediately assumed.

  • Page 121: Lockout Screen

    Controls Interface Date/Time Subscreen The setpoint screen for setting up the CH530 date is shown below: The user must select Day, Month, or Year and then use the up/down arrows to adjust. The setpoint screen for setting up the CH530 time with a 12 hour format is shown below: The user must select Hour, or Minute and then use the up/down arrows to adjust.

  • Page 122: Reports

    Controls Interface Until the proper password is entered there will be no access to the DynaView screens including all reports, all setpoints, and Auto/Stop/Alarms/Interlocks. The password “159” is not programmable from either DynaView or TechView. If the Display and Touch Screen Lock feature is Disabled, a similar screen including “Enter 159 to Unlock”...
  • Page 123 Controls Interface Table 49. Report name: System Evaporator Description Resolution Units Evap Entering Water Temp: + or - XXX.X Temperature Evap Leaving Water Temp: + or - XXX.X Temperature Evap Pump Inverter 1 Run Cmd: On, Off Enumeration Evap Pump 1 Command: On, Off Enumeration Evap Pump 2 Command:...

  • Page 124: Power Up And Self Tests

    Controls Interface Table 54. Report name: Circuit Compressor Description Resolution Units Compressor B Starts: XXXX Integer Compressor B Running Time: XXXX:XX hr:min Compressor C Starts: XXXX Integer Compressor C Running Time: XXXX:XX hr:min Table 55. Report name: System ASHRAE Chiller Log Description Resolution Units...
  • Page 125 Boot Software P/N, display Self Test results and display the Application Part Number (CGAM 6200-0450-01). The contrast will also be adjustable from this screen. The message “Selftest Passed” may be replaced with “Err2: RAM Error” or “Err3: CRC Failure”...

  • Page 126: Techview

    Tracer CH530 must use a laptop running the software application “TechView. ” TechView is a Trane application developed to minimize chiller downtime and aid the technicians understanding of chiller operation and service requirements.

  • Page 127: Software Download

    • Service overrides Software Download Instructions for First Time TechView Users This information can also be found at http://www.trane.com/Commercial/DesignAnalysis/ TechView.aspx. 1. Create a folder titled CH530 (C:\CH530) on your hard drive. This \CH530 folder is the standard location for the installation file. Storing the installation file in this location helps you remember where it is stored and makes it easier for technical support personnel to assist you.

  • Page 128: Unit View

    This window plays a key role in evaluating maintenance requirements. Upon successful Local Connect TechView will display UNIT VIEW. CGAM Unit View is shown below: Figure 81. Unit View The Unit View displays the system, control point name, value and unit of measure. It reflects active setpoints and allows you to make changes.
  • Page 129 Controls Interface Unit View also displays, in real time, all non-setpoint data organized by tabs. As data changes on the chiller it is automatically updated in the Unit View. Figure 82. Unit View Tabs Circuit/Compressor Lockout In order to lock out a circuit the user must go to the Unit View/Circuit 1 Manual Overrides Tab and then select the Front Panel Lockout for circuit 1 and/or circuit 2.
  • Page 130 Controls Interface Table 57. Unit View Tabs - Detail Item Default Type Units Value Value Value Setpoint Source Setting BAS/Ext/FP Circuit 1 Tab Suction Pressure Status Pressure (kPa) Discharge Pressure Status Pressure (kPa) Suction Saturated Refrigerant Temperature Status Temp (°C) Suction Temperature Status Temp (°C)
  • Page 131 Controls Interface Table 57. Unit View Tabs - Detail Item Default Type Units Value Value Value Available/Not Available/ Compressor 1C Pumpdown Status Status In Progress/Inhibited Suction Pressure Status Pressure (kPa) Circuit 2 Manual Overrides Tab Front Panel Lockout Setting Not Locked/Locked Auto Stop Auto...
  • Page 132 Controls Interface Table 57. Unit View Tabs - Detail Item Default Type Units Value Value Value Discharge Pressure Limit Unload Setpoint Setting 120% Restart Inhibit Free Starts Setting Starts Restart Inhibit Start To Start Time Setting Time (Minutes) 6 min Chilled Water Reset Tab Disable/Return/Outdoor Chilled Water Reset Type...
  • Page 133 Controls Interface Table 57. Unit View Tabs - Detail Item Default Type Units Value Value Value Evaporator Water Pump 1 Starts Status Starts Evaporator Water Pump 1 Running Time Status Time (Sec to HH:MM) Heat Recovery Tab Partial heat recovery (PHR) Fan Control Setting Disable/Enable PHR Leaving Water Temperature Setpoint...

  • Page 134: Diagnostics View

    Controls Interface If the value entered is not valid, an error message will display and the change will not occur. Figure 86. Setpoint Change Failed Diagnostics View This window lists the active and inactive (history) diagnostics. There can be up to 60 diagnostics, both active and historic.
  • Page 135 Controls Interface Figure 87. Diagnostic View CG-SVX17D-EN...

  • Page 136: Configuration View

    Controls Interface Configuration View This view is under the CH530 tab and displays the active configuration and allows you to make changes to the unit configuration. Figure 88. Configuration View - CH530 Tab Configuration View allows you to define the chiller's components, ratings, and configuration settings.
  • Page 137 Controls Interface Table 58. Configuration View Items - CH530 Tab Item Description CGAM - Air-Cooled Scroll Packaged Chiller Basic Product Line CXAM - Air-Cooled Scroll Heat Pump (TAI, EPL only) 020 Nominal Tons 023 Nominal Tons (TAI, EPL only) 026 Nominal Tons...

  • Page 138: Software View

    Controls Interface Figure 89. Configuration View - Options Tab Figure 90. Configuration View - Options Setup Tab Software View Software view allows you to verify the version of chiller software currently running on the EasyView or DynaView and download a new version of chiller software to the EasyView or DynaView. You can also add up to two available languages to load into the DynaView.

  • Page 139: Binding View

    Controls Interface Figure 91. Software View Binding View Binding View allows you to assess the status of the network and all the devices connected as a whole, or the status of individual devices by using status icons and function buttons. Binding View is essentially a table depicting what devices and options are actually discovered on the network bus (and their communication status) versus what is required to support the configuration defined by the feature codes and categories.
  • Page 140 Controls Interface Whenever a device is installed, it must be correctly configured to communicate and to function as intended. This process is called binding. Some features of Binding View are intended to serve a second purpose; that is diagnosing problems with communication among the devices. Figure 92.

  • Page 141: Pre-Start Checkout

    Pre-Start Checkout When installation is complete, but prior to putting the unit into service, the following pre-start procedures must be reviewed and verified correct: WARNING Hazardous Voltage! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure the power can not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injuryInspect all wiring connections to be sure they are clean and tight.
  • Page 142 It is recommended that the services of a qualified water treatment specialist be engaged to determine what water treatment, if any, is required. Trane assumes no responsibility for equipment failures which result from untreated or improperly treated water, or saline or brackish water.

  • Page 143: Unit Voltage Power Supply

    Pre-Start Checkout Unit Voltage Power Supply WARNING Live Electrical Components! During installation, testing, servicing and troubleshooting of this product, it may be necessary to work with live electrical components. Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks. Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury.
  • Page 144 Pre-Start Checkout This direction may be reversed outside the alternator by interchanging any two of the line wires. It is this possible interchange of wiring that makes a phase sequence indicator necessary if the operator is to quickly determine the phase rotation of the motor. Proper compressor motor electrical phasing can be quickly determined and corrected before starting the unit.

  • Page 145: Water System

    Pre-Start Checkout Water System Flow Rates NOTICE: Equipment Failure! Establish a balanced chilled water flow through the evaporator. The flow rates should fall between theminimum and maximum values. Flow rates outside the recommended range could cause evaporator failure. Establish a balanced chilled water flow through the evaporator. The flow rates should fall between the minimum and maximum values.

  • Page 146: Start Up Checklist

    Pre-Start Checkout Start Up Checklist Figure 93. Start Up Checklist CG-SVX17D-EN...
  • Page 147 Pre-Start Checkout CG-SVX17D-EN...

  • Page 148: Unit Start-Up Procedures

    Unit Start-Up Procedures Sequence of Operation Power Up The Power up chart shows the respective DynaView screens during a power up of the main processor. This process takes from 30 to 45 seconds depending on the number of installed Options. On all power ups, the software model will always transition through the 'Stopped' Software state independent of the last mode.
  • Page 149 Unit Start-Up Procedures Figure 95. Power Up to Starting CG-SVX17D-EN...
  • Page 150 Unit Start-Up Procedures Stopped to Starting: The stopped to starting diagram shows the timing from a stopped mode to energizing the compressor. The shortest allowable time would be under the following conditions: 20. No motor restart inhibit 21. Evaporator Water flowing 22.

  • Page 151: Start-Up

    Unit Start-Up Procedures Start-Up CAUTION Equipment Damage! Ensure that the oil sump heaters are connected properly and are operating properly for a minimum of 24 hours before starting. Failure to do so may result in equipment damage. If the pre-start checkout, has been completed, the unit is ready to start. 1.

  • Page 152: Seasonal Unit Start-Up Procedure

    Unit Start-Up Procedures Seasonal Unit Start-Up Procedure 1. Close all valves and re-install the drain plugs in the evaporator heads. 2. Service the auxiliary equipment according to the start-up/maintenance instructions provided by the respective equipment manufacturers. 3. At this point, all air must be removed from the system (including each pass). Close the vents in the evaporator chilled water circuits.

  • Page 153: Unit Shutdown

    Unit Shutdown Normal Shutdown to Stopped The Normal Shutdown diagram shows the Transition from Running through a Normal (friendly) Shutdown. The Dashed lines on the top attempt to show the final mode if you enter the stop via various inputs. Figure 97.

  • Page 154: Seasonal Unit Shutdown

    Unit Shutdown Seasonal Unit Shutdown 1. Perform the normal unit stop sequence using the <Stop> key. Note: Do not open the starter disconnect switch. It must remain closed to provide power to the compressor oil sump heaters. 2. Verify that the chilled water and pumps are cycled off. If desired, open the disconnect switches to the pumps.

  • Page 155: Maintenance

    Maintenance Periodic Maintenance General Perform all maintenance procedures and inspection at the recommended intervals. This will prolong the life of the chiller and minimize the possibility of malfunctions. Use an “Operator’s Log” to record the unit’s operating history. The log serves as a valuable diagnostic tool for service personnel.

  • Page 156: Monthly Maintenance

    Maintenance • Evaporator Temperature Drop (Delta-T): 10°F • Compressor Discharge Temperature: 63°F or more • Compressor Suction Temperature: 20°F or more • Condensing Pressure: 420-440 psig • Condensing Approach Temperature: 25°F • System Subcooling: 15-20°F • Compressor RLA: 100 percent If operating pressures and sight glass conditions seem to indicate a refrigerant shortage, measure the system superheat and subcooling.

  • Page 157: Compressor Service Information

    Compressor Service Information Compressor Electrical Connections It is very important that CSHD compressors used in Trane Model CGAM chillers are wired correctly for proper rotation. These compressors will not tolerate reverse rotation. Verify correct rotation/ phasing using a rotation meter. Proper phasing is clockwise, A-B-C. If wired incorrectly a CSHD compressor will make excessive noise, will not pump and will draw about half the normal current.

  • Page 158: Oil Level

    Never reuse oil. Oil Testing Use Trane Oil Testing Kit KIT06815 only for testing lubricating oil in the Model CGAM chiller. Note that the POE oil used in this product is very hygroscopic and easily absorbs and retains moisture. The acceptable moisture content is less than 100 ppm and acceptable acid level is less than 0.5 TAN.

  • Page 159: Compressor Operational Pump Down

    An immediate shutdown diagnostic occurs • A pressure transducer fails Compressor Service Pump Down Procedure The Service Pump down procedure is used to store the Model CGAM refrigerant in the condenser. The condenser is sized to hold the entire refrigerant charge. Procedure: •...

  • Page 160: Tandem Compressor Suction Restrictors

    Maintenance the compressor when the equalizer line is removed. The torque value for the Rotolock fitting on CSHD compressors is 64 ft.-lbs., plus or minus 2 ft.-lbs. Tandem Compressor Suction Restrictors Since most tandem compressor sets use unequal size compressors, these combinations require the use of a restrictor in the suction line of one or more compressors in order to provide correct oil level balance between compressors when they are operating.

  • Page 161: Compressor Replacement

    V Unit Compressor Replacement If the CGAM chiller suffers a failed compressor, use these steps for replacement: Each compressor has lifting eyes. Both lifting eyes must be used to lift the failed compressor. DO NOT LIFT A COMPRESSOR USING A SINGLE LIFTING EYE. Use proper lifting techniques, a spreader bar and rigging as for lifting both compressors simultaneously.

  • Page 162: Refrigerant System Open Time

    Maintenance Refrigerant System Open Time Model CGAM chillers use POE oil and therefore refrigerant system open time must be kept to a minimum. The following procedure is recommended: Leave a new compressor sealed until it is ready to be installed in the unit. Maximum system open time is dependent upon ambient conditions, but do not exceed one hour open time.

  • Page 163: Compressor Oil Sump Heaters

    Maintenance Compressor Oil Sump Heaters Compressor oil sump heaters must be energized at least 24 hours before starting the CGAM chiller. This is required to boil refrigerant out of the oil before startup. Ambient temperature is not a factor and the oil sump heaters must always be energized prior to startup.

  • Page 164: Water Strainer Maintenance

    Maintenance connection is at the top of the evaporator and both are on the same side. Pay particular attention to evaporators with dual circuits. Avoid cross-circuiting when installing the new evaporator. Water Strainer Maintenance Factory-installed water strainer is a Y-type design. The stainer is equipped with a blow-down valve. The strainer is a 16 mesh (approximately 1 mm) material.

  • Page 165: Accessing Pump Package Components For Servicing

    Maintenance • Remove drying agent from the pump, if used. • Reinstall plugs at the top and bottom of the casing. Accessing Pump Package Components for Servicing To access pump package components for servicing, unlock the access panel door, and remove. Remove remaining top panel(s).

  • Page 166: Pump Package Motor Lifting

    Maintenance Pump Package Motor Lifting 20-70 Ton — Slant, V Frame Units • Attach block and tackle to lifting bracket which is attached to condenser from directly above pump package, shown in Figure 100, p. 166. • Attach lifting cables around pump motor, or to pump motor hooks, where available. Figure 100.Pump lifting bracket—20-70 ton —...
  • Page 167 Maintenance Figure 101.Pump lifting bracket — 80-130 ton — W Frame Lifting Eyebolt Location Louvered Panels Vertical Support CG-SVX17D-EN...

  • Page 168: Diagnostics

    English and other European languages, based on 8 pixel character width (DynaView’s display is 320 pixels wide). The text should be abbreviated as necessary to meet the length limit. Trane standard abbreviations or ASME standard abbreviations (ASME Y14.38-1999 or later) should be used wherever possible.

  • Page 169: Main Processor Diagnostics

    Diagnostics Help Text: Provides for a brief description of what kind of problems might cause this diagnostic to occur. Both control system component related problems as well as chiller application related problems are addressed (as can possibly be anticipated). These help messages will be updated with accumulated field experience with the chillers.
  • Page 170 Diagnostics The circuit’s suction pressure dropped Very Low Suction Pressure – Circuit 2 below (Low Pressure Cutout Setpoint Very Low Suction Pressure – Circuit 2 (kPa absolute) * 0.5) Very Low Suct Press – Ckt 2 regardless of whether or not compressors are running on that circuit.
  • Page 171 Diagnostics The entering evaporator water temp Chilled Water Flow (Entering Water Any Ckt(s) fell below the leaving evaporator water Temp) Chiller Immediate Latching Energized [No temperature by more than 3°F for Remote Chilled Water Flow (Entering Water Ckt(s) Energized] 100°F-sec while at least one Temp) compressor was running.
  • Page 172 Diagnostics The leaving water temperature High Evaporator Water Temperature exceeded the high evap water temp High Evaporator Water Temperature setting (TV service menu settable High Evap Water Temperature – default 55.0°C (131°F)) for 15 continuous seconds. The evaporator water pump relay will be de-energized to stop the pump, but only if it is running due to one of the diagnostics Only effective if...
  • Page 173 Diagnostics A counter for evaporator pump 1 starts Evaporator Pump 1 Starts/Hours or hours has been modified by Modified TechView. This diagnostic is Chiller Warning NonLatch Evaporator Pump 1 Starts/Hours immediately and automatically cleared Modified and thus can only be seen in the Evap Pmp Starts/Hrs Modified historic diagnostic list.
  • Page 174 Energized] the circuit. Integration starts after the ignore time is completed. A software monitor has detected a Software Error 1001: Call Trane Service condition in which there was a Software Error 1001: Call Trane Service continuous 1 minute period of...

  • Page 175: Sensor Failure Diagnostics

    Diagnostics A software monitor has detected a Software Error 1003: Call Trane Service condition in which there was a Software Error 1003: Call Trane Service continuous 1 minute period of Software Error 1003 compressor operation, with a misaligned state machine.

  • Page 176: Communication Diagnostics

    Diagnostics Outdoor Air Temp Sensor Outdoor Air Temp Sensor Chiller Normal Latch Bad Sensor or LLID. Remote Outdoor Air Temp Sensor Discharge Pressure Transducer Discharge Pressure Transducer Circuit Immediate Latch Bad Sensor or LLID Remote Discharge Pressure Xdcr Suction Pressure Transducer Suction Pressure Transducer Circuit Immediate Latch...
  • Page 177 Diagnostics Comm Loss: External Ice Continual loss of communication Building Control Input between the MP and the Functional ID Comm Loss: Ext Ice Building Chiller Warning Latch has occurred for a 35-40 second period. Remote Ctrl Input Chiller shall revert to normal (non-ice building) mode regardless of last state.
  • Page 178 Diagnostics Comm Loss: Evaporator Water Flow Switch Continual loss of communication Comm Loss: Evaporator Water Chiller Immediate Latch between the MP and the Functional ID Remote Flow Switch has occurred for a 35-40 second period. Comm: Evap Water Flow Sw Continual loss of communication Comm Loss: Local BAS Interface Warning and...
  • Page 179 Diagnostics Comm Loss: Evaporator Water Pump 2 Relay Continual loss of communication Comm Loss: Evaporator Water Chiller Normal Latch between the MP and the Functional ID Remote Pump 2 Relay has occurred for a 35-40 second period. Comm: Evap Water Pump Relay Comm Loss: Evaporator Pump 1 Fault Input...
  • Page 180 Diagnostics Continual loss of communication Comm Loss: External Night between the MP and the Functional ID Noise Setback Input Warning and has occurred for a 35-40 second period. Comm Loss: Ext Night Noise Chiller Special Latch Remote External input is excluded from Setback Input Action arbitration logic per standard...

  • Page 181: Main Processor- Boot Messages And Diagnostics

    Diagnostics Comm Loss: Supplemental Heat Relay 2 Continual loss of communication Comm Loss: Supplemental Chiller Warning Latch between the MP and the Functional ID Remote Heat Relay 2 has occurred for a 35-40 second period. Comm: Supplemental Heat Relay 2 Comm Loss: Supplemental Heat Relay 3 Continual loss of communication...
  • Page 182 Diagnostics There were RAM errors detected in RAM Test Pattern #2. Err2: RAM Pattern 2 Failure //Recycle power, if the error persists, replace MP. There were RAM errors detected in RAM Address Test #1. Err2: RAM Addr Test #1 Failure // Recycle power, if error persists, replace MP.

  • Page 183: Unit Wiring

    Unit Wiring This section provides field wiring diagrams, electrical schematics and connection diagrams for 20- 130 ton CGAM units. Drawing Number Description Page 2309-2075-sheet 1 Schematic - Table of Contents - slant frame p. 185 2309-2075-sheet 2 Schematic - Legend- slant frame p.
  • Page 184 Unit Wiring Drawing Number Description Page 2309-2076-sheet 1 Field Wiring Diagram p. 260 2309-2076-sheet 2 Field Wiring Diagram Notes p. 262 5720-6468 Diagram - Component Location - slant frame p. 264 5720-6497 Assembly - Device Location Sensor and CH530 - slant frame p.
  • Page 185 Unit Wiring 20-35 Ton - “Slant Frame” - Table of Contents S2075-1 CG-SVX17D-EN...
  • Page 186 Unit Wiring 20-35 Ton - “Slant Frame” - Legend S2075-2 CG-SVX17D-EN...
  • Page 187 Unit Wiring 20-35 Ton - “Slant Frame” - Legend CG-SVX17D-EN...
  • Page 188 Unit Wiring 20-35 Ton - “Slant Frame” - Notes S2075-3 CG-SVX17D-EN...
  • Page 189 Unit Wiring 20-35 Ton - “Slant Frame” - Notes CG-SVX17D-EN...
  • Page 190 Unit Wiring 20-35 Ton - “Slant Frame” - Compressor Power Circuit 1 S2075-4 CG-SVX17D-EN...
  • Page 191 Unit Wiring 20-35 Ton - “Slant Frame” - Compressor Power Circuit 1 CG-SVX17D-EN...
  • Page 192 Unit Wiring 20-35 Ton - “Slant Frame” - Fan Power Circuit 1 S2075-6 CG-SVX17D-EN...
  • Page 193 Unit Wiring 20-35 Ton - “Slant Frame” - Fan Power Circuit 1 CG-SVX17D-EN...
  • Page 194 Unit Wiring 20-35 Ton - “Slant Frame” - Pump Power/Control S2075-8 CG-SVX17D-EN...
  • Page 195 Unit Wiring 20-35 Ton - “Slant Frame” - Pump Power/Control CG-SVX17D-EN...
  • Page 196 Unit Wiring 20-35 Ton - “Slant Frame” - Compressor Control S2075-9 CG-SVX17D-EN...
  • Page 197 Unit Wiring 20-35 Ton - “Slant Frame” - Compressor Control CG-SVX17D-EN...
  • Page 198 Unit Wiring 20-35 Ton - “Slant Frame” - Fan Control, 2 & 3 Fan Units S2075-10 CG-SVX17D-EN...
  • Page 199 Unit Wiring 20-35 Ton - “Slant Frame” - Fan Control, 2 & 3 Fan Units CG-SVX17D-EN...
  • Page 200 Unit Wiring 20-35 Ton - “Slant Frame” - Common Control S2075-12 CG-SVX17D-EN...
  • Page 201 Unit Wiring 20-35 Ton - “Slant Frame” - Common Control CG-SVX17D-EN...
  • Page 202 Unit Wiring 20-35 Ton - “Slant Frame” - Common Control S2075-13 CG-SVX17D-EN...
  • Page 203 Unit Wiring 20-35 Ton - “Slant Frame” - Common Control CG-SVX17D-EN...
  • Page 204 Unit Wiring 20-35 Ton - “Slant Frame” - Freeze Protection S2075-14 CG-SVX17D-EN...
  • Page 205 Unit Wiring 20-35 Ton - “Slant Frame” - Freeze Protection CG-SVX17D-EN...
  • Page 206 Unit Wiring 40-70 Ton - “V Frame” - Table of Contents V2075-1 CG-SVX17D-EN...
  • Page 207 Unit Wiring 40-70 Ton - “V Frame” - Table of Contents CG-SVX17D-EN...
  • Page 208 Unit Wiring 40-70 Ton - “V Frame” - Legend V2075-2 CG-SVX17D-EN...
  • Page 209 Unit Wiring 40-70 Ton - “V Frame” - Legend CG-SVX17D-EN...
  • Page 210 Unit Wiring 40-70 Ton - “V Frame” - Notes V2075-3 CG-SVX17D-EN...
  • Page 211 Unit Wiring 40-70 Ton - “V Frame” - Notes CG-SVX17D-EN...
  • Page 212 Unit Wiring 40-70 Ton - “V Frame” - Compressor Power Circuit 1 V2075-4 CG-SVX17D-EN...
  • Page 213 Unit Wiring 40-70 Ton - “V Frame” - Compressor Power Circuit 1 CG-SVX17D-EN...
  • Page 214 Unit Wiring 40-70 Ton - “V Frame” - Compressor Power Circuit 2 V2075-5 CG-SVX17D-EN...
  • Page 215 Unit Wiring 40-70 Ton - “V Frame” - Compressor Power Circuit 2 CG-SVX17D-EN...
  • Page 216 Unit Wiring 40-70 Ton - “V Frame” - Fan Power Circuit 1 V2075-6 CG-SVX17D-EN...
  • Page 217 Unit Wiring 40-70 Ton - “V Frame” - Fan Power Circuit 1 CG-SVX17D-EN...
  • Page 218 Unit Wiring 40-70 Ton - “V Frame” - Fan Power Circuit 2 V2075-7 CG-SVX17D-EN...
  • Page 219 Unit Wiring 40-70 Ton - “V Frame” - Fan Power Circuit 2 CG-SVX17D-EN...
  • Page 220 Unit Wiring 40-70 Ton - “V Frame” - Pump Power/Control V2075-8 CG-SVX17D-EN...
  • Page 221 Unit Wiring 40-70 Ton - “V Frame” - Pump Power/Control CG-SVX17D-EN...
  • Page 222 Unit Wiring 40-70 Ton - “V Frame” - Compressor Control V2075-9 CG-SVX17D-EN...
  • Page 223 Unit Wiring 40-70 Ton - “V Frame” - Compressor Control CG-SVX17D-EN...
  • Page 224 Unit Wiring 40-70 Ton - “V Frame” - Fan Control, 2 & 3 Fan Units V2075-10 CG-SVX17D-EN...
  • Page 225 Unit Wiring 40-70 Ton - “V Frame” - Fan Control, 2 & 3 Fan Units CG-SVX17D-EN...
  • Page 226 Unit Wiring 40-70 Ton - “V Frame” - Common Control V2075-12 CG-SVX17D-EN...
  • Page 227 Unit Wiring 40-70 Ton - “V Frame” - Common Control CG-SVX17D-EN...
  • Page 228 Unit Wiring 40-70 Ton - “V Frame” - Common Control V2075-13 CG-SVX17D-EN...
  • Page 229 Unit Wiring 40-70 Ton - “V Frame” - Common Control CG-SVX17D-EN...
  • Page 230 Unit Wiring 40-70 Ton - “V Frame” - Freeze Protection V2075-14 CG-SVX17D-EN...
  • Page 231 Unit Wiring 40-70 Ton - “V Frame” - Freeze Protection CG-SVX17D-EN...
  • Page 232 Unit Wiring 80-130 Ton - “W Frame” - Table of Contents W2075-1 CG-SVX17D-EN...
  • Page 233 Unit Wiring 80-130 Ton - “W Frame” - Table of Contents CG-SVX17D-EN...
  • Page 234 Unit Wiring 80-130 Ton - “W Frame” - Legend W2075-2 CG-SVX17D-EN...
  • Page 235 Unit Wiring 80-130 Ton - “W Frame” - Legend CG-SVX17D-EN...
  • Page 236 Unit Wiring 80-130 Ton - “W Frame” - Notes W2075-3 CG-SVX17D-EN...
  • Page 237 Unit Wiring 80-130 Ton - “W Frame” - Notes CG-SVX17D-EN...
  • Page 238 Unit Wiring 80-130 Ton - “W Frame” - Compressor Power Circuit 1 W2075-4 CG-SVX17D-EN...
  • Page 239 Unit Wiring 80-130 Ton - “W Frame” - Compressor Power Circuit 1 CG-SVX17D-EN...
  • Page 240 Unit Wiring 80-130 Ton - “W Frame” - Compressor Power Circuit 2 W2075-5 CG-SVX17D-EN...
  • Page 241 Unit Wiring 80-130 Ton - “W Frame” - Compressor Power Circuit 2 CG-SVX17D-EN...
  • Page 242 Unit Wiring 80-130 Ton - “W Frame” - Fan Power Circuit 1 W2075-6 CG-SVX17D-EN...
  • Page 243 Unit Wiring 80-130 Ton - “W Frame” - Fan Power Circuit 1 CG-SVX17D-EN...
  • Page 244 Unit Wiring 80-130 Ton - “W Frame” - Fan Power Circuit 2 W2075-7 CG-SVX17D-EN...
  • Page 245 Unit Wiring 80-130 Ton - “W Frame” - Fan Power Circuit 2 CG-SVX17D-EN...
  • Page 246 Unit Wiring 80-130 Ton - “W Frame” - Pump Power/Control W2075-8 CG-SVX17D-EN...
  • Page 247 Unit Wiring 80-130 Ton - “W Frame” - Pump Power/Control CG-SVX17D-EN...
  • Page 248 Unit Wiring 80-130 Ton - “W Frame” - Compressor Control W2075-9 CG-SVX17D-EN...
  • Page 249 Unit Wiring 80-130 Ton - “W Frame” - Compressor Control CG-SVX17D-EN...
  • Page 250 Unit Wiring 80-130 Ton - “W Frame” - Fan Control, 2 & 3 Fan Units W2075-10 CG-SVX17D-EN...
  • Page 251 Unit Wiring 80-130 Ton - “W Frame” - Fan Control, 2 & 3 Fan Units CG-SVX17D-EN...
  • Page 252 Unit Wiring 80-130 Ton - “W Frame” - Fan Control, 4 & 5 Fan Units W2075-11 CG-SVX17D-EN...
  • Page 253 Unit Wiring 80-130 Ton - “W Frame” - Fan Control, 4 & 5 Fan Units CG-SVX17D-EN...
  • Page 254 Unit Wiring 80-130 Ton - “W Frame” - Common Control W2075-12 CG-SVX17D-EN...
  • Page 255 Unit Wiring 80-130 Ton - “W Frame” - Common Control CG-SVX17D-EN...
  • Page 256 Unit Wiring 80-130 Ton - “W Frame” - Common Control W2075-13 CG-SVX17D-EN...
  • Page 257 Unit Wiring 80-130 Ton - “W Frame” - Freeze Protection CG-SVX17D-EN...
  • Page 258 Unit Wiring 80-130 Ton - “W Frame” - Freeze Protection W2075-14 CG-SVX17D-EN...
  • Page 259 Unit Wiring 80-130 Ton - “W Frame” - Common Control CG-SVX17D-EN...
  • Page 260 Unit Wiring Field Wiring Diagram 2076-1 CG-SVX17D-EN...
  • Page 261 Unit Wiring Field Wiring Diagram TRANE CG-SVX17D-EN...
  • Page 262 Unit Wiring Field Wiring Diagram - Notes 2076-2 FUSE CG-SVX17D-EN...
  • Page 263 Unit Wiring Field Wiring Diagram - Notes TRANE REPLACEMENT FUSE TABLE FUSE VOLTAGE CLASS AMPS NOTES FUSE, COMPRESSOR CRANKCASE HEATER, CIRCUIT 1 FUSE, COMPRESSOR CRANKCASE HEATER, CIRCUIT 2 1F5, FUSE, CONTROL POWER TRANSFORMER, PRIMARY THIRD PHASE, PHASE PROTECTION MONITOR 1F8,...
  • Page 264 Unit Wiring 20-35 Ton - “Slant Frame” - Component Location 6468 NOTES 1. COMPONENT 1X1 WILL REPLACE 1Q1 WHEN TERMINAL BLOCK OPTION IS SELECTED. 2. COMPONENTS 1M1 AND 1S1 ARE USED ONLY WHEN THE VENTILATED PANEL IS REQUIRED. 3. COMPONENT 1T2 IS USED ONLY WHEN THE 575V OPTION IS SELECTED. 4.
  • Page 265 TRANE SHEET 57206468 DIMENSIONS ARE IN MILLIMETERS. TOLERANCE: THIS DRAWING IS PROPRIETARY AND SHALL NOT BE COPIED OR ITS CONTENTS DISCLOSED TO OUTSIDE PARTIES WITHOUT THE WRITTEN DIAGRAM CONSENT OF TRANE FINISH COMPONENT LOCATION DRAWN BY: J.Watts TRANE DATE: 24-APR-2009...
  • Page 266 Unit Wiring 20-35 Ton - “Slant Frame” - Device Location 6497 FAN MOTOR LOC (ALL "S" FRAM CONTROL PANEL PUMP PACKAGE FRONT 3M1A1 3M1E1 3M2A1 3M2E1 5E13 FIELD PUMPS BUFFER BUFFER TANK TANK PUMPS 5E12 CUSTOMER PUMP PACKAGE BUFFER TANKS BACK VIEWED FROM REAR OF UNIT CG-SVX17D-EN...
  • Page 267 SENSOR AND CH530 ANGLES = HOLE DIA = THIRD ANGLE PROJECTION DO NOT SCALE PRINT CGAM, S UNIT CONFORMS TO ASME Y14.5M - 1994 NOTES: REMOVE 3M5 ON UNITS WITH 2-FANS PER CIRCUIT. NOT ALL POSSIBLE UNIT/FRAME CONFIGURATIONS SHOWN. FAN MOTOR LOCATIONS SENSOR/DEVICE LOCATIONS MAY VARY BY FRAME SIZE AND AVAILABLE (ALL "S"...
  • Page 268 Unit Wiring 40-70 Ton - “V Frame” - Component Location 6469 NOTES 1. COMPONENT 1X1 WILL REPLACE 1Q1 WHEN TERMINAL BLOCK OPTION IS SELECTED. 2. COMPONENT 1X2 WILL REPLACE 1Q3 WHEN TERMINAL BLOCK OPTION IS SELECTED. 1A41 3. COMPONENTS 1M1 AND 1S1 ARE USED ONLY WHEN THE VENTILATED PANEL IS REQUIRED. 4.
  • Page 269 TRANE 57206469 SHEET DIMENSIONS ARE IN MILLIMETERS. TOLERANCE: THIS DRAWING IS PROPRIETARY AND SHALL NOT BE COPIED OR ITS CONTENTS DISCLOSED TO OUTSIDE PARTIES WITHOUT THE WRITTEN DIAGRAM CONSENT OF TRANE FINISH COMPONENT LOCATION DRAWN BY: J.Watts TRANE DATE: 24-APR-2009...
  • Page 270 Unit Wiring 40-70 Ton - “V Frame” - Device Location 6498 FAN MOT (ALL CONTROL PANEL PUMP VSD ENCLOSURE EVAPORATOR VIEWED FROM COMPRESSORS BUFF CKT1 BUFFER TANK 3M1A1 3M1E1 3M2A1 3M1E1 BUFFER TANK EXPANSION TANK FACTORY PUMP CIRCUIT 1 SENSORS WITH BUFFER TANKS EXPANSION TANK SUCTION/DISCHARGE...
  • Page 271 SENSOR AND CH530 ANGLES = HOLE DIA = THIRD ANGLE PROJECTION DO NOT SCALE PRINT CGAM, V UNIT CONFORMS TO ASME Y14.5M - 1994 NOTES: REMOVE 3M5 & 4M5 ON UNITS WITH 2-FANS PER CIRCUIT. NOT ALL POSSIBLE UNIT/FRAME CONFIGURATIONS SHOWN. SENSOR/DEVICE LOCATIONS MAY VARY BY FRAME SIZE AND AVAILABLE OPTIONS CHOSEN.
  • Page 272 Unit Wiring 80-130 Ton - “W Frame” - Component Location 6470 NOTES 1. COMPONENT 1X1 WILL REPLACE 1Q1 WHEN TERMINAL BLOCK OPTION IS SELECTED. 2. COMPONENT 1X2 WILL REPLACE 1Q3 WHEN TERMINAL BLOCK OPTION IS SELECTED. 3. COMPONENTS 1M1 AND 1S1 ARE USED ONLY WHEN THE VENTILATED PANEL IS REQUIRED. 4.
  • Page 273 57206470 SHEET DIMENSIONS ARE IN MILLIMETERS. TOLERANCE: THIS DRAWING IS PROPRIETARY AND SHALL NOT BE COPIED OR ITS CONTENTS DISCLOSED TO OUTSIDE PARTIES WITHOUT THE WRITTEN DIAGRAM CONSENT OF TRANE FINISH COMPONENT LOCATION DRAWN BY: J. WATTS TRANE DATE: 24-APR-2008...
  • Page 274 Unit Wiring 80-130 Ton - “W Frame” - Device Location 6499 FAN MOTOR L (ALL "W" F SEE PARTIAL HEAT CONTROL RECOVERY DETAIL PANEL BUFFER TANK CKT2 CKT1 5E11 EVAPORATOR VIEWED FROM COMPRESSORS CKT1 3M1A1 3M1E1 3M2A2 3M1E2 3M3A3 3M1E3 FIELD PUMP (DO NOT MOVE THIS VIEW) CIRCUIT 1 SENSORS...
  • Page 275 X,XX HEATER, SENSOR & CH530 ANGLES = HOLE DIA = THIRD ANGLE PROJECTION DO NOT SCALE PRINT CGAM, W UNIT CONFORMS TO ASME Y14.5M - 1994 BUFFER NOTES: TANK REMOVE 3M7 & 4M7 ON UNITS WITH 4-FANS PER CIRCUIT. REMOVE 3M6, 4M6, 3M7, & 4M7 ON UNITS WITH 3-FANS PER CIRCUIT.
  • Page 276 HVAC systems, comprehensive building services, and parts. For more information, visit www.Trane.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. © 2011 Trane All rights reserved...

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