Page 1 Modular Indoor Central-Station Air-Handling Units Project: Dulles South Multi Purpose Aquatics Center Phase 2 C00243 9P2076 24950 Riding Center Drive, South Riding, VA 20152 Submittal Package: Modular Indoor Central-Station Air-Handling Units Package Number: 323-23 73 13-0 Revision: 0 Description: Operation & Maintenance Data Status: Open Trade: Mechanical Systems From: Megan McCarthy, Forrester Construction...
Page 2: Table Of Contents
® AERO 39MN,MW03-110 Indoor and Weathertight Outdoor Air Handlers Installation, Start-Up and Service Instructions Page CONTENTS Indoor and Outdoor Unit Shipping Split Page (All Sizes) ........48 INTRODUCTION .
Page 3: Introduction
Page CONTENTS (cont) START-UP CHECKLIST — Page 39M GAS-FIRED DUCT FURNACE ..CL-5 • COMBUSTION AIR SUPPLY START-UP CHECKLIST — • VENTING 39M GAS-FIRED FURNACE RACK • OUTDOOR INSTALLATIONS ASSEMBLY ....... . . CL-6 •...
Page 4 WARNING WARNING CHECK the assembly and component weights to be sure 1. Improper installation, adjustment, alteration, service, that the rigging equipment can handle them safely. Note or maintenance can cause property damage, personal also the centers of gravity and any specific rigging injury, or loss of life.
Page 5: Unit And Component Identification
The 39M air handler comes in two basic configurations; For further information on unit and component identification horizontal and vertical. Using appropriate sections, it is possi- contact your Carrier representative for the AHUBuilder ® pro- ble to design many unit variations, including blow-thru units gram.
Page 6: Unit Nomenclature
39M N 000001 Shipping Option ® S – Standard 39M – Aero Q – Quote Control Air Handler Code Model Finish and Thermal Option* N – Indoor Unit W – Outdoor Unit Order Type S – Special Order Unit Size X –...
Page 7: 28Mc,28Mh (Water Coil) Nomenclature
28MC V 6 20 F D A 020 A R N – Revision Level 28MC – 1/2 in. Chilled Water 28MH – 1/2 in. Hot Water Coating N – Non-Coated E – E-Coated Coil Position H – Horizontal V – Vertical Hand R –...
Page 8: 28Mz (Steam Coil) Nomenclature
28MZ H 1 26 F B T 074 A X N – – – Coil Revision 28MZ – IDT Steam Coating Coil Position N – Non-Coated H – Horizontal E – E-Coated V – Vertical X – Always Rows 1 – 1 Row 2 –...
Page 9: 28Me (Direct Expansion Coil) Nomenclature
28ME V 4 32 B A A 065 Z R N – 28ME – Direct Expansion Revision Level Coil Position Coating V – Vertical N – Non-Coated E – E-Coated Rows 4 – 4 Row Hand 6 – 6 Row R –...
Page 10: 28Mg (Integral Face And Bypass) Nomenclature
– 28MG M 04 G R A H X 28MG – Integral Face and Bypass Revision Level X – Always 39M Unit Size Code Size M – 30 B – 03 Tube Orientation N – 36 C – 06 H – Horizontal P –...
Page 11: Motor Nomenclature
93 MR 01 18 B A 02 0 1 0 3 S - Fan Motor Revision Level High Efficiency Fan Application Premium Efficiency Return/Exhaust Supply Horsepower* Supplier Designation 1 1/2 Not Used (Always 0) 7 1/2 Application Mounting F1† F2† Voltage F3** 115/230-1-60...
Page 12: Gas-Fired Duct Furnace Nomenclature
– 304 SS HX-Galv. Frame – 21 – 85 – 25 – 96 Fuel Type N – Natural Gas 11 – Carrier Gas Heat Code L – Propane Sequence Altitude and Country – Master – 0-2000/USA – Slave – 0-4500/Canada –...
Page 13: Base Unit Dimensions
W (in.) SIZE a39-4251 NOTES: 1. Weights and dimensions are approximate. For more exact dimensions, consult with a local Carrier Sales Engineer or select the desired unit ® using AHUBuilder software. 2. All dimensions in inches unless otherwise noted. 3. Unit height based on 6 in. base rail option.
Page 14 Air Distribution Components 7 Internal Mixing box Mixing box Filter mixing Air mixer Exhaust Exhaust External face (side inlet) box (side face and and bypass outlet) bypass damper damper section Plenum & Filtration Sections section FACE HEPA LOAD FILTER Horizontal, Horizontal, Horizontal, Turning...
Page 15: 39Mn, Mw Component Weights And Lengths
Table 1 — 39MN,MW Component Weights and Lengths SECTION DIMENSIONS (in.) AND WEIGHTS (lb) Nominal cfm at 1500 3000 4000 5000 6000 7000 8500 10500 12500 500 fpm Unit Size Indoor H (in.) Outdoor H (in.) Indoor W (in.) Outdoor W (in.) ITEM DESCRIPTION AWL (in.) (Indoor/Outdoor) Weight (lb)
Page 16 Table 1 — 39MN,MW Component Weights and Lengths (cont) SECTION DIMENSIONS (in.) AND WEIGHTS (lb) Nominal cfm at 15000 18000 20000 25000 30500 36000 42500 48800 60500 500 fpm Unit Size Indoor H (in.) Outdoor H (in.) Indoor W (in.) Outdoor W (in.) ITEM DESCRIPTION...
Page 17 LEGEND AND NOTES FOR TABLE 1 NOTES: LEGEND ® Refer to the Aero Product Data Catalog for additional application information. — Airfoil — Height Section weights do not include coils or motors. Refer to the product data catalog for addi- AWL —...
Page 18: And Type
Table 3A — Physical Data — Fan Offerings by Unit Size and Type FORWARD CURVE FANS SUPPLY RETURN / EXHAUST UNIT HP / FRAME HP / FRAME HP / FRAME HP / FRAME SIZE WHEEL WHEEL WHEEL WHEEL A9-4A 5 / 184T 0.5 / 56 A9-4A 5 / 184T...
Page 19: And Type
Table 3A — Physical Data — Fan Offerings by Unit Size and Type (cont) DIRECT DRIVE PLENUM FANS SUPPLY/RETURN/EXHAUST UNIT HP / FRAME HP / FRAME HP / FRAME FAN WHEEL FAN WHEEL FAN WHEEL SIZE 5 / 184T 0.5 / 56 5 / 184T 0.5 / 56 7.5 / 213T...
Page 20 Table 3B — Physical Data — Fan Data by Wheel Diameter and Type (cont) AIRFOIL FANS Max Speed (rpm) Fan Shaft Diameter (in.)* Fan Wheel Weight (lb) Wheel Inlet Cone Number of Fan Wheel Diameter (in.) Diameter (in.) Fan blades Class 1 Class 2 Class 1...
Page 21: Coil Data
Table 4 — Coil Data 39M UNIT SIZE -in. CHILLED WATER/DIRECT EXPANSION Large Face Area Nominal Capacity (cfm) at 500 fpm 1,736 2,951 3,819 4,965 6,319 7,170 8,464 10,720 12,205 Lower Coil Height (in.) 27.5 27.5 37.5 47.5 47.5 Upper Coil Height (in.) Length (in.) Total Face Area (sq ft) 12.6...
Page 22 Table 4 — Coil Data (cont) 39M UNIT SIZE -in. CHILLED WATER/DIRECT EXPANSION Large Face Area Nominal Capacity (cfm) at 500 fpm 15,174 18,333 20,000 25,278 30,694 36,224 42,656 48,125 55,000 Lower Coil Height (in.) 47.5 42.5 Upper Coil Height (in.) 42.5 47.5 47.5...
Page 23 Table 4 — Coil Data (cont) 39M UNIT SIZE -in. CHILLED WATER Large Face Area Nominal Capacity (cfm) at 500 fpm 1,667 2,833 3,750 4,875 5,958 6,760 8,125 10,156 11,563 Lower Coil Height (in.) Upper Coil Height (in.) Length (in.) Total Face Area (sq ft) 11.9 13.5...
Page 24 Table 4 — Coil Data (cont) 39M UNIT SIZE -in. CHILLED WATER Large Face Area Nominal Capacity (cfm) at 500 fpm 14,375 18,000 20,000 24,917 30,333 35,667 42,000 47,250 54,000 Lower Coil Height (in.) Upper Coil Height (in.) Length (in.) Total Face Area (sq ft) 28.8 36.0...
Page 25: Medium Face Area Coils
Table 5 — Direct-Expansion Circuiting Data Medium Face Area Coils 39M UNIT SIZE CIRCUITING TYPE Quarter Half Full Quarter Half Full Quarter Half Full Quarter Half Full Quarter Half Full Quarter Half Full Airflow (cfm) at 500 fpm 1,215 2,066 2,778 3,611 4,965...
Page 26: Direct-Expansion Circuiting Data
Table 5 — Direct-Expansion Circuiting Data (cont) Medium Face Area Coils (cont) 39M UNIT SIZE CIRCUITING TYPE Half Full Half Full Double Half Full Double Half Full Double Full Double Full Double Full Double Full Double Airflow (cfm) at 500 fpm 6,771 9,028 10,278...
Page 27 Table 5 — Direct-Expansion Circuiting Data (cont) Medium Face Area Coils (cont) 39M UNIT SIZE CIRCUITING TYPE Full Double Full Double Full Double Full Double Airflow (cfm) at 500 fpm 29,722 35,000 39,375 45,000 Total Face Area (sq ft) 59.4 70.0 78.8 90.0...
Page 28: Large Face Area Coil
Table 5 — Direct-Expansion Circuiting Data (cont) Large Face Area Coil 39M UNIT SIZE CIRCUITING TYPE Quarter Half Full Quarter Half Full Quarter Half Full Quarter Half Full Quarter Half Full Quarter Half Full Airflow (cfm) at 500 fpm 1,736 2,951 3,819 4,965...
Page 29 Table 5 — Direct-Expansion Circuiting Data (cont) Large Face Area Coil (cont) 39M UNIT SIZE CIRCUITING TYPE Half Full Double Half Full Double Half Full Double Half Full Double Airflow (cfm) at 500 fpm 8,464 10,720 12,205 15,174 Total Face Area (sq ft) 16.9 21.4 24.4...
Page 30 Table 5 — Direct-Expansion Circuiting Data (cont) Large Face Area Coil (cont) 39M UNIT SIZE CIRCUITING TYPE Full Double Full Double Full Double Full Double Airflow (cfm) at 500 fpm 36,224 46,656 48,125 55,000 Total Face Area (sq ft) 72.4 85.3 96.3 110.0...
Page 31: In. Water Coil Connection Sizes
Table 6 — -in. Water Coil Connection Sizes 39M UNIT SIZE FACE CIRCUIT ROWS AREA TYPE Nozzle Size (in. MPT) 1, 2 HALF/FULL (2)1.5 (2)1.5 (2)2.5 (2)2.5 (2)2.5 (2)2.5 (2)2.5 HALF/FULL (2)1.5 (2)1.5 (2)2.5 (2)2.5 (2)2.5 (2)2.5 (2)2.5 DOUBLE (2)2.5 (2)2.5 (2)2.5 (2)2.5...
Page 32: -In. Steam Coil Connection Sizes
Table 9 — -in. Steam Coil Connection Sizes 39M UNIT SIZE FACE ROWS CONNECTION AREA Nozzle Size (in. MPT) INLET — — — — — — — — — LARGE OUTLET — — — — — — — — — INLET —...
Page 33: Coil Volume
Table 13 — Coil Volume (Gal. Water) 39M UNIT SIZE CHILLED WATER Large Face Area 4-Row 11.0 13.3 14.5 18.3 22.2 26.2 30.7 34.7 39.6 6-Row 11.8 13.3 16.5 19.9 21.7 27.4 33.3 39.3 46.1 52.0 59.3 8-Row 10.5 12.4 15.7 17.8 22.0...
Page 34: Dry Coil Weights
Table 14 — Dry Coil Weights (lb) 39M UNIT SIZE COIL FACE ROWS TYPE AREA 1043 1229 1386 1584 1087 1280 1444 1650 1130 1331 1502 1716 1019 1238 1461 1720 1940 2218 1062 1289 1521 1792 2021 2310 1104 1341 1582 1863...
Page 35: Motor Weights
Table 14 — Dry Coil Weights (lb) (cont) 39M UNIT SIZE FACE COIL TYPE ROWS AREA — — — — — — — — — — — — — — — — — — — — — — — — —...
Page 36: Distances In Inches
Table 16 — Forward-Curved Fan Drive Centerline Distances in Inches BHF/BHR DBF/DBR THF/THR UBF/UBR FAN SHAFT DIAM. (in.) 39M UNIT FAN MODEL MOTOR SIZE FRAME Class 1 Class 2 143T FC A9-4A 145T 182T 184T 143T FC A9-4A 145T 182T 184T 10.6 11.6...
Page 37: Forward-Curved Fan Drive Centerline
Table 16 — Forward-Curved Fan Drive Centerline Distances in Inches (cont) BHF/BHR DBF/DBR THF/THR UBF/UBR FAN SHAFT DIAM. (in.) 39M UNIT FAN MODEL MOTOR SIZE FRAME Class 1 Class 2 215T 19.9 21.3 15.6 17.3 17.4 19.0 16.6 18.2 254T 19.3 20.8 15.4...
Page 38 Table 16 — Forward-Curved Fan Drive Centerline Distances in Inches (cont) BHF/BHR DBF/DBR THF/THR UBF/UBR FAN SHAFT DIAM. (in.) 39M UNIT FAN MODEL MOTOR SIZE FRAME Class 1 Class 2 254T 31.9 34.1 23.2 25.9 26.0 28.5 27.5 29.8 256T 31.9 34.1 23.2...
Page 39 Table 16 — Forward-Curved Fan Drive Centerline Distances in Inches (cont) BHF/BHR DBF/DBR THF/THR UBF/UBR FAN SHAFT DIAM. (in.) 39M UNIT FAN MODEL MOTOR SIZE FRAME Class 1 Class 2 182T 41.2 43.6 22.7 27.5 31.7 35.4 32.9 35.5 184T 41.2 43.6 22.7...
Page 40: Airfoil Fan Drive Centerline Distances In Inches
Table 17 — Airfoil Fan Drive Centerline Distances in Inches FAN SHAFT DIAM. BHF/BHR DBF/DBR THF/THR UBF/UBR 39M UNIT FAN MODEL MOTOR (in.) SIZE FRAME Class 1 Class 2 16.3 17.6 14.0 15.5 15.0 16.5 14.8 16.2 143T 16.3 17.6 14.0 15.5 15.0...
Page 41 Table 17 — Airfoil Fan Drive Centerline Distances in Inches (cont) FAN SHAFT DIAM. BHF/BHR DBF/DBR THF/THR UBF/UBR 39M UNIT MOTOR (in.) MODEL SIZE FRAME Class 1 Class 2 145T 21.2 22.2 18.7 20.0 18.2 19.5 21.2 22.2 182T 20.5 21.5 18.1 19.5...
Page 42 Table 17 — Airfoil Fan Drive Centerline Distances in Inches (cont) FAN SHAFT DIAM. BHF/BHR DBF/DBR THF/THR UBF/UBR 39M UNIT MOTOR (in.) MODEL SIZE FRAME Class 1 Class 2 184T 30.5 32.3 24.6 26.8 24.6 26.8 24.6 27.0 213T 29.9 31.7 24.1 26.3...
Page 43 Table 17 — Airfoil Fan Drive Centerline Distances in Inches (cont) FAN SHAFT DIAM. BHF/BHR DBF/DBR THF/THR UBF/UBR 39M UNIT MOTOR (in.) MODEL SIZE FRAME Class 1 Class 2 182T 40.6 43.0 21.9 26.7 31.0 34.6 32.3 34.8 184T 40.6 43.0 21.9 26.7...
Page 44: Inches
Table 18 — Belt Drive Plenum Fan Drive Centerline Distances in Inches FAN SHAFT FAN SHAFT MOTOR MOTOR DIAM. (in.) DIAM. (in.) UNIT MODEL UNIT MODEL FRAME FRAME SIZE SIZE Class 1 Class 2 Class 1 Class 2 145T 32.4 33.8 143T 182T...
Page 45: Belt Drive Plenum Fan Drive Centerline Distances In
Table 18 — Belt Drive Plenum Fan Drive Centerline Distances in Inches (cont) FAN SHAFT FAN SHAFT MOTOR MOTOR DIAM. (in.) DIAM. (in.) UNIT MODEL UNIT MODEL FRAME FRAME SIZE SIZE Class 1 Class 2 Class 1 Class 2 182T 38.1 39.6 182T...
Page 46: Pre-Installation
Cover the entire unit with a waterproof tarpaulin your Carrier representative of any discrepancy. or plastic coverall; if the unit is stored on the ground, ex- tend the cover underneath the unit. Secure the cover To transfer the unit from the Rigging and Handling —...
Page 47: Internal Vibration Isolation
When field-supplied motors and drives have been in- stalled, adjust the isolator springs as shown in Fig. 7 and de- scribed as follows: 1. Loosen the locknut on adjusting stem. 2. Turn the adjusting stem until the specified clearance of -in.
Page 48: Pier Or Beam Mount
4. The 14 in. tall curbs weigh 6 lb per linear foot, 24 in. The return and supply ducts must be supported indepen- curbs weigh 9 lb per linear foot. dently from the unit. Do not exert weight or downward force on the unit other than minimal force required to attach duct- IMPORTANT: Verify installed curb dimensions before work.
Page 49: Installation
See Fig. 14, Detail C. Carrier warranty. 6. Align top brackets. Start the screw, but do not fully tighten. See Fig. 14, Detail A. For outdoor units, removal of the Indoor and Outdoor Unit Shipping Split (All roof at the split is necessary to access the top brackets.
Page 50 SPLIT SECTION L BRACKET NUT (3/8 in.-16) WASHER (3/8 in.) SCREW SCREW (3/8 in.-16 x 8 in.) SEE DETAIL A DETAIL A SPLIT SECTION INTELLICLAMP DETAIL B CONNECTOR (5/16 in.-18) DETAIL B SCREW 5/16 in.-18 x 2 1/2 SCREW SEE DETAIL C DETAIL C A39-4385 SCREW (1/2 in.-13 x 8 in.)
Page 51: Duct Connections
STACKED UNITS 3. Attach the lower level shipping splits from the inside of the bottom vertical discharge section using the AB — screw as shown in Fig. 17, Detail A. Typically this IMPORTANT: If the top level shipping split arrives screw is installed above the coil and under the fan sled, separately, do not assemble until you have completed depending on the configuration of the unit.
Page 52 MIXING BOX, EXHAUST BOX, AND EXTERNAL BYPASS DAMPER DETAILS SIDE DAMPER DETAILS 39M UNIT 39M UNIT DETAIL (SECTIONS) A (WIDTH) B (HEIGHT) JACKSHAFT DIAMETER (in.) DETAIL (SECTIONS) A (WIDTH) B (HEIGHT) JACKSHAFT DIAMETER (in.) SIZE SIZE 25.75 10.75 38.75 46.75 59.75 59.75 64.75...
Page 53 5.00 3.00 TOP VIEW 15.00 a39-4304 4.00 O.D. OF FRAME O.D. OF FRAME (NOT INCLUDING FLANGE) (NOT INCLUDING FLANGE) PREMIUM MEASUREMENT DAMPER DAMPER FACE VIEW (BLADES SHOWN OPEN) 7/32" DIA. HOLES at 8" C-C WITH RANDOM START POINT SIZES 03-21 DIMENSIONS (in.) AMS LOW AMS HIGH...
Page 54 SIZES 25-61 DIMENSIONS (in.) AMS LOW AMS HIGH 39M UNIT LIMIT LIMIT SIZE (CFM) (CFM) 47.25 31.50 20.00 17.48 16.59 44.97 29.25 2,570 17,500 58.05 38.70 20.00 17.48 16.59 55.77 36.45 3,153 21,000 61.05 40.70 29.00 — 24.47 — 38.45 4,814 25,200 61.05...
Page 55 15.00 a39-4306 X1 ± .25 SIDE VIEW X2 ±.25 .50 TYP. 4 CORNERS A / 3 A / 3 .25 DIA HOLES A / 3 TYP. 4 CORNERS .50 TYP. 4 CORNERS MEASUREMENT DAMPER B1 D1 .44 TYP. 4 SIDES FACE VIEW (BLADES SHOWN OPEN) B2 D2...
Page 56 MIXING BOX/INLET PLENUM/DISCHARGE PLENUM/ EXTERNAL BYPASS/RETURN FAN — Attach the duct- A39-4314 work to the box frame rails with sheet metal screws as shown in Fig. 20A. Ductwork should be flanged out as close to the damper framed opening as possible. Screws with weather- proof washers and a bead of silicone around the duct flange must be used for outdoor applications.
Page 57: Panel Cutting
Once the discharge locations are selected and cut, the NOT LESS THAN 2-1/2 duct connections can be fabricated. Install field-supplied duct FAN DIA. flanges and framing channels to smooth the airflow leaving the discharge opening. Two of the channels should extend the width or height of the cabinet to provide additional cabinet support.
Page 58 A39-4334 Fig. 24 — Discharge Fabrication, Draw-Thru Plenum Fans...
Page 59 AIRFLOW A39-4232 UNIT HAND SIDE FACE AND BYPASS DAMPER DETAILS DIMENSION (In.) DIMENSION (In.) 39M UNIT 39M UNIT SIZE SIZE 26.37 26.37 5.69 97.37 49.37 8.69 39.37 26.37 5.69 102.37 60.37 13.69 47.37 29.37 6.09 102.37 66.37 11.62 60.37 29.37 6.09 110.37 76.37...
Page 60: Zone Damper Section
Table 19 — Linkage Configurations CAUTION LINKAGE CONFIGURATION Top-Bottom Factory duct collars and damper assemblies are for attach- Top-Rear ing ductwork only and must NOT be used to support the Top-Face* 1 Actuator duct’s weight. Weight bearing deflection can increase Rear-Bottom torque necessary to operated dampers, or bind them pre- Side-Rear...
Page 61 a39-2970 Fig. 26 — Zone Damper Assembly Details (Horizontal Discharge Shown) ZONE DAMPER DETAILS DIMENSIONS (in.) 39M UNIT SIZE QTY OF ZONES QTY OF EXTENSION SHAFT KITS 28.50 41.50 28.50 49.50 28.50 62.50 34.50 62.50 34.50 67.50 34.50 74.50 40.50 74.50 40.50 81.50...
Page 62 DIRECT COUPLED DIRECT COUPLED ACTUATOR ACTUATOR (SIDE MIXING BOX) (SIDE MIXING BOX) ACTUATOR AND JACKSHAFT ARE REPRESENTATIVE ONLY (TYPICAL) ONE ACTUATOR ONLY WHEN USED ROTATION ROTATION TO OPEN TO OPEN WITH LINKAGE ROTATION TO OPEN FLOW FLOW FLOW LINKAGE LINKAGE ROTATION ROTATION LINKAGE...
Page 63: Mixing Box Damper Actuators
NOTE: While adjusting linkage, one damper must be fully To ensure torque is transmitted equally to both damper open and the other fully closed. Top and rear dampers are sections, actuator must be connected to the jackshaft that shipped with both dampers in closed position. Loosen the drives the interconnecting linkage bar.
Page 64 LOCK NUT LOCK WASHER FLAT WASHER 2-IN. GASKET FACTORY-INSTALLED STUD AROUND PERIMETER OF FRAME FLUSH TO a39-4248 OUTSIDE EDGE Fig. 31 — Securing Fan and Coil Sections Together SCREW THE BASE RAIL OF THE TOP UNIT TO THE TOP FRAMERAIL OF THE BOTTOM UNIT NOTE: Two turning plenums are needed to make the stacked configuration.
Page 65: Fan Sled Disassembly
c. Fan shaft In some cases, it may be Fan Sled Disassembly — necessary to remove the fan sled from the unit and break it d. Fan wheel down into smaller components. See Tables 21-24 and Fig. 33 1. Double-width, double inlet forward curved fan for maximum complete fan sled dimensions and housing only wheels are removed through the fan discharge dimensions.
Page 66 Table 21 — Airfoil Fan Dimensions (in.) FAN SLED ASSEMBLY FRAMED BLOWER WITHOUT SLED UNIT SIZES UNIT SIZES THF, DB BHF, UB WHEEL WHEEL Length Width Height Height Height Height Length Width* Height Height 03/06 40.1 39.6 26.0 25.8 24.8 —...
Page 67 Table 22 — Forward Curve Fan Dimensions (in.) FAN SLED ASSEMBLY FRAMED BLOWER WITHOUT SLED WHEEL UNIT SIZES Length Width Height Height Height Height Length Width* Height A9-4A 03/06 18.3 26.4 23.5 23.5 22.0 28.6 16.7 15.1 16.7 24.3 39.0 26.6 26.6 23.7...
Page 68: Fan Motors And Drives
Sheaves — tighter and pull more than their share of the load. As a result, tensioned, however, Carrier recommends checking the belt these belts wear out faster, requiring the entire set to be re- tension and alignment before starting the unit. Always check placed before it has given maximum service.
Page 69: V-Belts
See Fig. 36. Adjustable pitch drives are belts. installed on the motor shaft. Carrier recommends that 2. Do not allow belt to bottom out in sheave. adjustable sheaves should only be used for initial bal- 3.
Page 70: Direct Drive
Direct drive fans are aligned in the factory, Direct Drive — UNIT however, Carrier recommends checking alignment before start- GASKET ing the unit. SCREW TYPICAL 1. Ensure the radial distance between fan wheel and inlet ENTIRE PERIPHERY cone appears visually equal in all directions.
Page 71: Coil Connection Housing
ASSEMBLY SHIPPING POSITION SCREW HOOD GUTTER HOOD GUTTER PANEL ANGLE PANEL ANGLE PANEL SCREEN SCREEN SCREEN TO BE INSTALLED WASHER BRACKET MOUNT BELOW SCREW BETWEEN THE HOOD BRACKET CAN BE SCREW PANEL FLANGE THROWN AWAY AFTER HOOD PANEL A39-2349ef AND THE HOOD A39-2350ef IS INSTALLED ON THE UNIT.
Page 72 COIL CONNECTION HOUSING SHIPPING BRACKETS (4 PLACES) a39-4296 LEGEND CCH — Coil Connection Housing Fig. 42 — Remove Shipping Brackets 3. Install the self adhesive seal strip (2.00 in. wide x NOTE: Ensure that the surface is clean before installing any 0.375 in.
Page 73 SIDE FLASHING AHU ROOF SEAL STRIP 1.25 x 0.125 TO BE FLUSH AT TOP AND TO FLANGE SIDE FLASHING SEAL STRIP 1.25 x 0.125 TO BE FLUSH AT SEAL STRIP TOP AND TO FLANGE 1.25 x 0.125 TO BE FLUSH AT SEAL STRIP SIDE FLASHING BOTTOM AND TO FLANGE...
Page 74 a39-4415 Fig. 47 — Install Drain Channel to Unit Roof 8. Remove the unit lifting lugs under the coil section that 12. Place the filler plate inside the CCH baserail, align the match the CCH side walls. DO NOT REMOVE THE square holes with the pattern on the base rail and the an- LIFTING LUG BOLTS AS THEY WILL BE USED TO gle bracket, then insert the 3 carriage bolts provided...
Page 75 a39-4416 Fig. 49 — Screwing CCH Roof to Drain Channel BRACKET SLIDER TO ALLOW FOR BEND AND CRIMP SEAL DRAINAGE, DO NOT FINAL ENDS CAULK THIS AREA CCH ROOF DRAIN CHANNEL AHU ROOF SEAL GAPS BETWEEN SIDE FLASHING, DRAIN ROOF RAIL CHANNEL, CCH CAP AND FRAME DOUBLE...
Page 76: Humidifier Installation
Alternatively, control valves from any manufacturer may be Humidifier Installation used with the Carel humidifier. Valve size is selected by looking ASSEMBLE CONTROL VALVE ASSEMBLY (Fig. 52 and up the steam load and pressure values from the AHUBuilder ® 53) — Valve kits are sold as separate items through your lo- program in a steam valve manufacturer’s flow rate and pressure cal Carel representative (shipped unassembled).
Page 77 ASSEMBLE STRAINER AND TRAP ASSEMBLY AND VALVE ASSEMBLY (Fig. 54-57) — Strainer trap assemblies are sold as separate items through your local Carel representative (shipped unassembled). Figures 54-57 each show a detailed list of components in those kits. Table 25 lists Carel’s available inlet trap strainer kits. Alternatively, strainers and traps from any manufacturer may be used with the Carel humidifier.
Page 78: Assembly Of Vertical Manifolds
Table 25 — Carel Inlet Trap Strainer Kits Material, Type, Region Code SIZE ****FT**O* ****FT**U* ****ST**U* SAKT**15*0 Flange DN 15 Not available Not available SAKT**20*0 Flange DN 20 Not available Not available SAKT**25*0 Flange DN 25 Not available Not available SAKT**32*0 Flange DN 32 Not available...
Page 79: Coil Installation
NOTE: The length that the intermediate drain pan extends hat channel.) downstream from the coil face has been designed for use with Carrier manufactured coils, and may prove insufficient 11. Lift the upper coil (with spacer hat channels on the bot- for other maker’s coils.
Page 80: Water And Steam Coil Piping
16. Secure the uppermost coil from the upstream side, so Fig. 62. that the fastening screws provided pass through the ver- Piping practices are outlined in the Carrier System Design tical angle and the baffles and engage the coil casing. Manual, Part 3, Piping Design.
Page 81 This is not always the case, especially if the coil hand has Note the horizontal location of the 15-degree check valve, been changed in the field. Coils must be piped for counter- and the orientation of the gate/pivot. This valve is intended to flow;...
Page 82 a39-4310 a39-4311 * When end of supply main, see Fig. 64. * Refer to Fig. 64 when dripping steam supply main to condensate NOTES: return. 1. Flange or union is located to facilitate coil removal. NOTES: 2. Flash trap may be used if pressure differential between steam 1.
Page 83: Coil Freeze-Up Protection
NOTE: The IDT coils must be installed with the tubes drain- pressure or vacuum systems, an immersion thermostat to con- ing toward the header end of the coil. Carrier’s IDT steam trol outdoor-air damper and fan motor is recommended. This...
Page 84: Refrigerant Piping, Direct-Expansion Coils
FILTER ter-long riser should be same tube size as coil connection to DRIER ensure proper refrigerant velocity. Refer to Carrier System Design Manual, Part 3, and size remaining suction line to compressor for a pressure drop 10 DIAMS SOLENOID equivalent to 2.0 F. This will provide a total suction line...
Page 85: Distributor Nozzle Change-Out
Distributor noz- Distributor Nozzle Change-Out — TXV (Thermostatic Expansion Valve) zles are factory supplied. Thermostatic expansion valves TXV LOCATION — Thermostatic expansion valves may be (TXVs) are either field or factory supplied. Be sure that cor- mounted in any position, but they should be installed as close rect nozzle is installed in each distributor before installing ex- to the evaporator as possible.
Page 86: Txv Bulb Location And Installation
However, with proper piping range. practices, horizontal mounting will also provide adequate Figures provided in the Carrier Refrigerant Reference sensing. When the horizontal mounting location is used, the Manual illustrate these recommendations for various coil suction line must drop below the coil suction outlet, as shown splits and compressor configurations.
Page 87: Hot Gas Bypass
4. If required, install field-supplied adapter bushing or coupling to connector inlet before soldering to expan- sion valve outlet. Table 26 — Auxiliary Side Connector (Hot Gas Bypass) Data CONNECTION SIZES (in.) SPORLAN CARRIER USED WITH SPORLAN NOZZLE TYPE PART NO. DISTRIBUTOR TYPE SIZE Inlet —...
Page 88 SPECIAL PIPING WITH 4 SPLITS PER COIL Hot Gas Bypass Connection with 4 Splits per Coil — For ei- ther face or row splits connect a hot gas bypass auxiliary side Manifolding for 2-Face Splits — Refer to Fig. 75 and exter- connector to each distributor of coil split that is first-on, last- nally manifold as follows: off.
Page 89: Hot Gas Bypass Piping And Wiring
Manifolding for 2-Row Splits — Refer to Fig. 76 for coils installation instructions for the indoor fan coil to obtain with less than 34 tubes in face. Externally manifold as out- nozzle size and distributor connection size. Select the lined for the 2-face splits with the following exceptions: auxiliary side connector based on this information.
Page 90: Condensate Drain
LEGEND ASC — Auxiliary Side Connector TXV — Thermostatic Expansion Valve Refrigerant Check Valve a39-4439 Fig. 77 — Hot Gas Bypass Piping Install a condensate-trapping Condensate Drain — drain line at the units drain connection; use 1 -in. standard a39-4178 pipe.
Page 91: Fan Motor Wiring Recommendations
DRAW-THRU — Trap against all upstream static pressure in- BLOW-THRU — Trap against the external static pressure of cluding the drain pan section (cooling coil section). the fan only. PLENUM MIXING MIXING Static Pressure Between the Fan Static Pressure Between the Fan and Drain and Drain (Coil and Plenum Section)
Page 92 Table 27 — Electrical Data — Premium Efficiency EISA Compliant Motors ODP/OPSB T-FRAME MOTORS - 1800 RPM ODP/OPSB T-FRAME MOTORS - 3600 RPM FLA FOR 3-PHASE, 60 Hz FLA FOR 3-PHASE, 60 Hz MOTOR EFF. NEMA MOTOR EFF. NEMA VOLTAGES VOLTAGES FRAME FRAME...
Page 93: Motor Nameplate Data
Table 27 — Electrical Data — Premium Efficiency EISA Compliant Motors (cont) ODP/OPSB T-FRAME MOTORS - 1200 RPM TEFC T-FRAME MOTORS - 1200 RPM FLA FOR 3-PHASE, 60 Hz FLA FOR 3-PHASE, 60 Hz MOTOR EFF. NEMA MOTOR EFF. NEMA VOLTAGES VOLTAGES FRAME...
Page 94: Fan Motor Starter
3. Close and secure the fan access door or panel and the When starter is factory-installed, it Fan Motor Starter — starter door cover. is wired to the motor, and fully tested before shipping. Before proceeding, open the starter cover and fan section access door 4.
Page 95: Vfd With Bypass
Open the VFD front cover and the fan section access door 6. Calculate the maximum frequency output from the to check for any damage before proceeding. VFD. Maximum frequency = motor frequency (Hz) * fan maximum speed (rpm) ÷ motor nominal operating WIRING speed (rpm).
Page 96 Table 28 — VFD Data PROGRAMMED SETTINGS ABB PART MAX. CONTINUOUS MCCB FUSE AMPS Overload Trip Amps Max. Output Amps MOTOR HP NO. ACH550-UH- OUTPUT AMPS RATED AMPS 4 pole / 2 pole 4 pole / 2 pole 208-230 Volt / 3 Phase / 60 Hz (Programmed to Operate at 208 volts) 04A6-2 1.8/ 3.0/...
Page 97 Table 29 — Air Handler VFD Factory-Set Parameters GROUP NUMBER PARAMETER NUMBER DESCRIPTION VALUE 9902 Application Macro Supply Fan 9904 Motor Control Mode Scalar 9905 Motor Nominal Voltage 9906 Motor Nominal Current † 9907 Motor Nominal Frequency 60 Hz or 50 Hz 9908 Motor Nominal Speed Nameplate rpm at Load...
Page 98 a39-2914 NOTES: 1. All conductors are no. 22 AWG (American Wire Gage) minimum. 2. Install jumpers if fire/smoke detector, low limit thermostat, or high pressure switch are not required. Fig. 82 — Field-Supplied Control Wiring for VFD Speed Control AI-1 Cable Shield Ground AI-1 VFD SPEED Signal (+) 4-20 ma Shielded Cable AI-1 VFD SPEED Signal (-) ground...
Page 99 From a Field Supplied 4 Wire Static Pressure Transducer AI-2 Cable Shield Ground * 0-10 v dc Output Signal AI-2 Static Pressure Signal (+) 0 - 10 v dc AI-2 Static Pressure Signal (-) 0 - 10 v dc Field Supplied Input Connections 24 Vdc 10 10...
Page 100 J1 – DIP Switches for Analog Inputs The switch is one of two types: Illustration of available switch positions; not default settings AI1: (in Voltage Position) AI2: (in Current Position) Original Alternate Examples: BOTH SWITCHES IN VOLTAGE POSITION BOTH SWITCHES IN CURRENT POSITION Fig.
Page 101 ACTUAL CONNECTION DETERMINED BY APPLICATION VOLTAGE FUSE START STOP LEGEND Factory Wiring Field Wiring FIELD SUPPLIED ISOLATED NC SAFETY CONTACT a39-3995 (FIRE/SMOKE, HPS, ETC.) 3A MINIMUM Fig. 87A — VFD Bypass Safety Shutdown Modification — Bypass with 115 Volt Control Transformer TERMINAL STRIP A39-4180 LEGEND...
Page 102: Vfd Configuration
A station- need to be configured. Select the desired values and ary arrow indicates that the drive is stopped. For Carrier air press SAVE (SOFT KEY 2) after every change. The handler units, the rotation is always forward.
Page 103 reference select) to also allow modification in the remote 2. Use the UP or DOWN keys to highlight PAR BACKUP control mode. on the display screen and press ENTER (SOFT KEY 2). Parameters Mode — The Parameters mode is used to change 3.
Page 104: Electric Heaters
KEY 2) to save the configuration and return to the visible within the exposed cavity. (Do not mix these screws Clock Set menu. with others, as they are specific for this location.) The cor- ners may then be separated, lifting the rail and corner seg- 7.
Page 105 Each heater has 2 different types of factory-installed ther- Table 30 — Field Wiring for Incoming Conductors mal cutouts for over temperature protection; an automatic re- Sized for 125% of Heater Load set thermal cutout for primary protection and a manual reset thermal cutout to protect against failure of the primary sys- LOAD AMPS* LOAD AMPS*...
Page 106 LEGEND a39-4380 — Normally Closed — National Electrical Code — Normally Open — Silicon Control Rectifier NOTE: All wiring must be copper and must conform to NEC. Fig. 91 — Full SCR Electric Heat Control...
Page 107 LEGEND a39-4381 — Normally Closed — National Electrical Code — Normally Open NOTE: All wiring must be copper and must conform to NEC. Fig. 92 — Vernier SCR Electric Heat Control...
Page 112: Gas Furnace Identification
The gas heat section or Gas-Fired Duct Furnaces Gas Furnace Identification — sections of 39M air-handling units offer two styles of gas fur- nace: the gas-fired duct furnace and the gas-fired rack system. IMPORTANT: This furnace is not listed or suitable Air-handling units with the duct heater can have 1 or 2 gas sec- for drying or process applications.
Page 113 Use a plug in the cleanout control installed. Check the furnace section for this information, opening. See Fig. 95. to contact your Carrier service representative. COMBUSTION AIR SUPPLY — All gas-fired furnaces need CAUTION an ample supply of air for proper and safe combustion of the fuel gas.
Page 114: Condensate Drains
MODULATOR VALVE AIR PRESSURE (MODULATING SYSTEMS ONLY) SWITCH TWO-STAGE GAS VALVE FLAME ROLLOUT SWITCH FLAME SENSOR 3/4” NPT GAS INLET CONNECTION HI LIMIT SWITCH MANIFOLD DRAFT INDUCER PRESSURE TAP ASSEMBLY DRAFT INDUCER MOTOR MOTOR SUPPORT BRACKET WIRE HARNESS TO JB/IGNITION SPARK IGNITER CONTROL CONDENSATE DRAIN...
Page 115 OUTDOOR INSTALLATIONS — The venting system is Use single wall or double wall (Type B) vent pipe of diame- designed for direct discharge of flue gases to the outdoors. The ters listed below. vent discharge opening should be located to provide an unob- VENT PIPE structed discharge to the outside and should be located as far INPUT RATING (Btuh)
Page 116 LISTED VENT TERMINAL USE INSULATED VENT OUTDOORS THIMBLE 5 FT. MIN. ROOF (1.52 M) 2 FT. MIN. 1/4 IN. (6 mm) PITCH PER (0.61 M) 1 FT. (305 mm) HORIZONTAL SEE VENT PIPE CONDENSATE DIAMETER TABLE FOR DRAIN TOTAL VERTICAL VENT DIAMETER FLUE HEIGHT 10 FT (3.05 M)
Page 117 5 FT. (1.52 M) MIN. NOTE: See the section Vertically Vented 50 FT. (15.35 M) MAX. EQUIV. LENGTH Duct Furnaces on page 113 for vent pipe 1 FT. diameters. MIN. 1/4 IN. (6 mm) PITCH PER 1 FT. (305 mm) HORIZONTAL LISTED VENT TERMINAL 3 FT.
Page 118 GAS SUPPLY LINE GROUND JOINT MANUAL GAS UNION WITH SHUT-OFF VALVE BRASS SEAT GAS SUPPLY LINE TO CONTROLS PLUGGED 3 IN. 1/8 IN. NPT TEST MIN. GAGE CONNECTION SEDIMENT A39-4399 TRAP Fig. 101 — Sediment Trap, Shut-Off Valve, and Union SECOND STAGE (HI FIRE) MANIFOLD PRESSURE ADJUSTMENT (3/32 IN.
Page 119: Gas-Fired Rack System Furnaces
This documentation is located in the • There is an adequate supply of fresh air for the combustion heater section, or contact your Carrier service representative. and ventilation process. Combustion air openings in the cabi- Rollout Switch (Manual Reset) — The furnace module is net should be sized to provide 1 sq in.
Page 120: Combustion Air Supply
a39-4404 Fig. 103 — Gas-Fired Furnace Components (Rack System) High Limit Switch — The furnace module is equipped with a UNIT LOCATION AND CLEARANCES — For both out- fixed-temperature high limit switch mounted on the vestibule door and indoor installations, observe these requirements: panel.
Page 121: Combustion Air Supply
• Do not install units in locations where flue products can be drawn in the adjacent building openings such as windows, fresh air intakes, etc. • Be sure that vent discharge for flue gases is directed away from combustion air inlet and located to prevent flue products from being drawn into combustion air supply.
Page 122: Energy Recovery Ventilation (Erv) Sections
For units with single-phase wheel motors connections must be made in a separate, field-installed junction box. This WARNING junction box must be installed in the ERV section close to the motor. The ERV motors are VFD ready. All field gas piping must be pressure and leak-tested prior to operation.
Page 123 Example: Actual Approximate 1760 x 8.9 1760 x 9.0 Fan RPM 12.4 12.5 1263 RPM = 1267 RPM Refer to Table 3B for maximum allowable fan speeds for fan wheels. Excessive fan speed may result in con- densate carryover from cooling coil or fan motor over- load and wheel failure.
Page 124 e. VFD maximum frequency setpoint (parameter 2008) = motor frequency (Hz) * fan max speed (rpm) / WHEEL SIZE WHEEL - CONE OVERLAP (in.) motor nominal operating speed (rpm). Example: 0.12 - 0.29 Motor Frequency = 60 Hz 0.12 - 0.32 Fan Max Speed = 2979 RPM 0.12 - 0.34 Motor Nominal Operating Speed = 1760 RPM...
Page 125 Carrier service representative for assistance with this infor- set point until it exceeds the actual humidity reading. mation, before attempting to place the single unit heater or rack 4.
Page 126: Energy Recovery Wheel
A Control Instruction Sheet model is located in the furnace section, or contact your Carrier is provided in the instruction package with the Sequence of Op- service representative.
Page 127: Service
the wheel, apply power to confirm that the wheel is free deteriorated parts should be replaced before the unit is put to rotate, then re-adjust and tighten the hub and diameter back into service. seals according to the instructions in the Service section. 2.
Page 128: Energy Recovery Ventilation
6. Reinstall the wheel into the section by reversing Steps 1- Routine mainte- Energy Recovery Ventilation — nance of the energy recovery cassettes includes inspection and cleaning. On occasion, a part may need to be completely CASSETTE REPLACEMENT replaced. 1. Inspect the replacement cassette for freight damage upon receipt.
Page 129: Adjusting Air Seals
3. Holding segment by the two outer corners, press the segment towards the center of the wheel and inwards against the spoke flanges. If hand pressure does not fully seat the segment, insert the flat tip of a screw driver between the wheel rim and the outer corners of the seg- ment and apply downward force while guiding the seg- ment into place.
Page 130: Wheel Drive Motor And Pulley Replacement
3. Using a socket wrench with extension, remove the two nuts that secure the bearing housing to the bearing sup- port beam. Slide the bearing from the shaft. NOTE: Slight hand pressure against wheel rim will lift ROTATION the wheel’s weight from the inner race of the bearing to assist bearing removal and installation.
Page 131: Link Belt Replacement
11. Remove belt retaining clip and rotate wheel by hand two rotations while observing that belt is not twisted as it en- BELT (SHOWN LOCKING ters pulley. Also ensure that belt is tracking midway be- IN PLACE) COLLAR BEARING tween outer edge of rim and seal plate, or in belt guide WHEEL RIM SUPPORT LOCKING...
Page 132: Other Maintenance
adjustment is required. Inspect the drive belt annually for proper tracking and tension. A properly tensioned belt will turn the wheel immediately after power is applied with no visible slippage during start-up. Unit interior/exte- SEGMENT RETAINER Cleaning Unit Interior/Exterior — LATCH rior panels should be wiped down using a damp soft cloth or sponge with a mixture of warm water and a mild detergent.
Page 133: Winter Shutdown
7. Allow the coil to dry thoroughly before placing the sys- 1. Lock open and tag all power supplies to unit fan motor tem back into operation. A clean dry cloth may be used and electric heaters if present. to wipe down the interior panels before placing the unit 2.
Page 134 4. Remove the fastening screws of the uppermost coil from 9. For sections that do have a drain pan, remove the two the upstream side. Note that the fastening screws pass hat channel spacer supports from the bottom of the coil through the vertical angle, baffles, and coil casing.
Page 135: Changing Coil Hand
DIRECT EXPANSION COILS — Rotate the coil in vertical plane and reinstall. Distributor must be on downstream side CHANNEL, HAT ATTACH WITH 4 SCREWS TO COIL CASING of coil. (Refer to Fig. 126.) CHILLED WATER AND HOT WATER COILS — These coils can be rotated.
Page 136: Filters
ASHRAE Fundamen- let screens and/or grilles that may be present should also be tals Handbook and in the Carrier System Design Guide — checked regularly and cleaned as necessary. They can easily Piping Section, when the entering-air temperature to the coil become plugged with debris, grease, or other contaminants, falls below 35 F.
Page 137 Table 34 — Filter Data FILTER SIZE 39M UNIT SIZE Flat Filter Arrangement (2-in. or 4-in.) 16x20 — — — — — — — — — — — 16x25 — — — — — — — — — — — —...
Page 138: Magnehelic Gage Maintenance
3/4” x 3/4” FOAM GASKET FILTER ADJUSTABLE IN-TRACK BAFFLE FILTER a39-2266 Fig. 128 — Puro-Frame Holding Frame and Filter Retaining Clips a39-2268 Fig. 130 — In-Track Baffle for Flat, Angle and AIRFLOW Sideloading Bag/Cartridge Filter Sections 2” PRE-FILTER CARTRIDGE No lubrication or Magnehelic Gage Maintenance —...
Page 139: Fan Shaft Bearing Removal
4. The calibration is changed by moving the clamp. Loos- 8. Remove bearing while observing the following precau- en the clamp screw(s) and move slightly toward the he- tions: lix if gage is reading high; move away if gage is low. a.
Page 140 (4 REQUIRED HEPA FILTER HEPA FRAME AIRFLOW PER FRAME) Height A Width B Depth Height Width Type Part No. (in.) (in.) (in.) (in.) (in.) GALV 3061975-001 GALV 3061983-001 SS304 3061975-002 SS304 3061983-002 a39-4308 LATCH (4 REQUIRED PER FRAME) NOTES: 1. Filter sizes are -in.
Page 141 Unit Size 03 Unit Size 06 Unit Size 08 Unit Size 10 Flat Filter Section Flat Filter Section Flat Filter Section Flat Filter Section (1) 25 x 20 (2) 25 x 20 (3) 25 x 20 (3) 25 x 16 Unit Size 12 Unit Size 14 Unit Size 17...
Page 142 Unit Size 40 Flat Filter Section a39-4185 (13) 20 x 25 Unit Size 50 Flat Filter Section a39-4186 (15) 20 x 25 Unit Size 61 a39-4184 Flat Filter Section (14) 20 x 16, (14) 25 x 16 Shaded area represents filter section blankoff. Fig.
Page 143 Unit Size 85 Unit Size 72 a39-4188 a39-4187 Flat Filter Section Flat Filter Section (38) 16 x 20 (33) 16 x 20 Unit Size 96 a39-4189 Unit Size 110 a39-4190 Flat Filter Section Flat Filter Section (24) 16 x 20, (12) 20 x 25 (27) 16 x 20, (14) 20 x 25 Shaded area represents filter section blankoff.
Page 144 Unit Size 03 Unit Size 06 Unit Size 08 Unit Size 10 Angle Filter Section Angle Filter Section Angle Filter Section Angle Filter Section (2) 16 x 25 (4) 16 x 20 (4) 16 x 25 (6) 16 x 20 Unit Size 12 Unit Size 14 Angle Filter Section...
Page 145 Unit Size 50 Angle Filter Section (18) 16 x 20, (12) 16 x 25 Unit Size 61 Angle Filter Section (24) 16 x 20, (16) 16 x 25 a39-4344 Unit Size 72 Angle Filter Section (56) 16 x 20 Shaded area represents filter section blankoff. Fig.
Page 146 Unit Sizes 85 and 96 a39-4194 Angle Filter Section (64) 16 x 20 Unit Sizes 110 a39-4195 Angle Filter Section (72) 16 x 20 Shaded area represents filter section blankoff. Fig. 133 — Filter Mixing Box and Angle Filter Arrangement — 2-in. or 4-in. (cont)
Page 147 Unit Size 03 Unit Size 06 Unit Size 08 Unit Size 10 Bag/Cartridge Bag/Cartridge Bag/Cartridge Bag/Cartridge Pre-filter Section Pre-filter Section Pre-filter Section Pre-filter Section (1) 24 x 24 (1) 24 x 24, (1) 24 x 12 (2) 24 x 24 (2) 24 x 24, (1) 24 x 12 Unit Size 12 Unit Size 14...
Page 148 Unit Sizes 36 and 40 Bag/Cartridge Pre-Filter Section (4) 12 x 24, (8) 24 x 24 Unit Size 50 a39-4202 a39-4203 Bag/Cartridge Pre-Filter Section (12) 24 x 24, (3) 24 x 12 a39-4204 Unit Size 61 Bag/Cartridge Pre-Filter Section Unit Size 72 a39-4205 (7) 12 x 24, (12) 24 x 24 Bag/Cartridge Pre-Filter Section...
Page 149 a39-4206 Unit Size 85 Bag/Cartridge Pre-Filter Section (4) 12 x 24, (20) 24 x 24 Unit Size 96 a39-4207 Bag/Cartridge Pre-Filter Section (9) 12 x 24, (20) 24 x 24 a39-4208 Unit Size 110 Bag/Cartridge Pre-Filter Section (6) 12 x 24, (24) 24 x 24 Shaded area represents filter section blankoff.
Page 150 Unit Size 10 Unit Size 03 Unit Size 06 Unit Size 08 Bag/Cartridge Bag/Cartridge Bag/Cartridge Bag/Cartridge Pre-Filter Section Pre-Filter Section Pre-Filter Section Pre-Filter Section (2) 24 x 24, (1) 24 x 12 (1) 24 x 24 (1) 24 x 24, (1) 24 x 12 (2) 24 x 24 Support Baffle...
Page 151 Unit Size 36 and 40 Bag/Cartridge Pre-Filter Section (4) 12 x 24, (8) 24 x 24 Unit Size 50 Bag/Cartridge Pre-Filter Section (12) 24 x 24, (3) 24 x 12 SUPPORT BAFFLE Unit Size 61 Bag/Cartridge Pre-Filter Section (12) 24 x 24, (7) 24 x 12 a39-4288 Fig.
Page 152 Unit Size 72 Unit Size 85 Bag/Cartridge Bag/Cartridge a39-4289 a39-4290 Pre-Filter Section Pre-Filter Section (4) 12 x 24, (16) 24 x 24 (4) 12 x 24, (20) 24 x 24 Unit Size 96 Unit Size 110 a39-4292 Bag/Cartridge Bag/Cartridge Pre-Filter Section Pre-Filter Section a39-4291 (9) 12 x 24, (20) 24 x 24...
Page 153 Unit Size 06 Unit Size 10 Unit Size 08 Unit Size 03 Cartridge/HEPA Cartridge/HEPA Cartridge/HEPA Cartridge/HEPA Pre-Filter Section Pre-Filter Section Pre-Filter Section Pre-Filter Section (1) 24 x 24, (1) 24 x 12 (2) 24 x 24 (2) 24 x 24, (1) 24 x 12 (1) 24 x 24 Support Baffle...
Page 154 Unit Size 36 and 40 Cartridge/HEPA Pre-Filter Section (4) 12 x 24, (8) 24 x 24 Unit Size 50 Cartridge/HEPA Pre-Filter Section (12) 24 x 24, (3) 24 x 12 SUPPORT BAFFLE Unit Size 61 Cartridge/HEPA Pre-Filter Section (12) 24 x 24, (7) 24 x 12 a39-4288 Fig.
Page 155 Unit Size 72 Unit Size 85 Cartridge/HEPA Cartridge/HEPA a39-4289 a39-4290 Pre-Filter Section Pre-Filter Section (4) 12 x 24, (16) 24 x 24 (4) 12 x 24, (20) 24 x 24 Unit Size 110 Unit Size 96 a39-4292 Cartridge/HEPA Cartridge/HEPA Pre-Filter Section Pre-Filter Section a39-4291 (6) 12 x 24, (24) 24 x 24...
Page 156: Fan And Shaft Removal
IMPORTANT: Replacement shafts must have a diam- contamination into the bearing. eter tolerance at bearing mount of +.0000 in./-.001 in. nominal. Carrier specified parts are recommended. IMPORTANT: If possible, it is recommended to lubri- cate the bearing while it is rotating, until grease purge is seen from the seals.
Page 157: Motor And Drive Package Data
1 0.14 these symptoms start appearing. Replacement fans are avail- to 1 0.16 able from Carrier. to 2 S 0.18 To replace the main fan for frame sizes R1 through R4, 2 to 2 0.25 perform the following (see Fig.
Page 158: Troubleshooting
The Carrier steam coils with • the status LED on the control panel the 1-in. OD outer tube have at least twice the condensate •...
Page 159: Assembly
ALARMS (GREEN LED FLASHING) — For less severe er- parameter 1604 (FAULT RESET SELECT), digital input or rors, called alarms, the diagnostic display is advisory. For serial communication could also be used to reset the drive. these situations, the drive is simply reporting that it had de- When the fault has been corrected, the motor can be started.
Page 160 Table 39 — Humidifier Troubleshooting (cont) SYMPTOM CAUSE REMEDY Steam Valve will not Open There is no power. Verify and, if necessary, correct power or air pressure to the valve actuator. There is no control signal. Verify and, if necessary, correct control signal or pressure range to the valve actuator.
Page 161 Table 40 — Unit Troubleshooting (cont) SYMPTOM CAUSE REMEDY Motor Does Not Run at Low voltage at motor terminals Check supply voltage and correct voltage loss. Full Speed Supply wiring to motor too small Rewire with properly sized wire. Motor Overheats Overloaded motor Reduce motor load or replace with larger motor.
Page 162 Internal fault. A communication-related problem has been detected between the OMIO and OINT boards. Contact Carrier. OPEX PWR Internal fault. Low voltage condition detected on the OINT board. Contact Carrier. CURR MEAS Internal fault. Current measurement is out of range. Contact Carrier.
Page 163 Error in power wiring suspected. Check that input power wired to drive output. Check for ground faults. 101-105 SYSTEM ERROR Error internal to the drive. Contact Carrier and report the error number. 201-206 SYSTEM ERROR Error internal to the drive. Contact Carrier and report the error number.
Page 164 Table 42 — Alarm Codes ALARM CODE ALARM NAME IN PANEL DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION 2001 — Reserved 2002 — Reserved 2003 — Reserved 2004 DIR LOCK The change in direction being attempted is not allowed. Do not attempt to change the direc- tion of motor rotation, or Change parameter 1003 DIRECTION to allow direction change (if reverse operation is safe).
Page 165: Index
CL-1 to CL-6 Steam coil Storage, long-term Troubleshooting 157-163 © Carrier Corporation 2013 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53390014-01 Printed in U.S.A. Form 39M-16SI...
Page 166 START-UP CHECKLIST — 39MN INDOOR AHU UNITS I. PRELIMINARY INFORMATION MODEL NO. _________________________________ JOB NAME _____________________________________________ SERIAL NO. _________________________________ ADDRESS _____________________________________________ START-UP DATE ______________________________ ______________________________________________________ TECHNICIAN NAME ___________________________ ADDITIONAL ACCESSORIES _____________________________________________________________________________________________________ II. PRE-START-UP CONTROLS Are thermostat(s) and indoor fan control wiring connections made and checked? (Y/N) _____ Are all wiring terminals tight? (including power to fan motors, heaters, etc.) (Pg 93)
Page 167 III. START-UP If this unit is to be used for construction conditioning without ductwork, ensure balancing is redone and filters replaced once construction is complete. Verify wiring is correct for application (voltage, etc.) per component label. (Y/N) _____ If fan is direct drive, ensure that the VFD has been properly programmed for maximum frequency output to limit fan speed to maximum (pg 93) Ensure correct fan rotation.
Page 168 START-UP CHECKLIST — 39MW OUTDOOR AHU UNITS Once Start-up is complete, send a completed copy of this checklist to the applicable Sales Engineer and Post Sale Product Marketing at 39MW@carrier.utc.com I. PRELIMINARY INFORMATION MODEL NO. _________________________________ JOB NAME _____________________________________________ SERIAL NO. _________________________________ ADDRESS _____________________________________________...
Page 169 PIPING Have leak checks been made at chillers, boilers, valves, and indoor coils? (Y/N) _____ Has air been bled from system? (Y/N) _____ Is freeze protection provided (if required)? (Pg 82) (Y/N) _____ For DX system, has system been charged with refrigerant? (Pg 83) (Y/N) _____ Locate, repair, and report any leaks.
Page 170 START-UP CHECKLIST — CARRIER 39M GAS-FIRED DUCT FURNACE I. PRELIMINARY INFORMATION FURNACE SERIAL NO(S)._______________________________________________________________________________ CARRIER MODEL NO. _________________________ SERIAL NO._____________________________________________ START-UP DATE ______________________________ START-UP CONTRACTOR__________________________________ TECHNICIAN NAME ___________________________ PHONE_________________________________________________ TYPE OF GAS _______________________________ GAS PRESSURE AT INLET (BURNERS OFF)___________________________________________________________IN. WG SUPPLY VOLTAGE AT JUNCTION BOX __________________________________________________________________VAC II.
Page 171 START-UP CHECKLIST — CARRIER 39M GAS-FIRED FURNACE RACK ASSEMBLY I. PRELIMINARY INFORMATION FURNACE SERIAL NO(S)._______________________________________________________________________________ CARRIER MODEL NO._________________________ SERIAL NO._____________________________________________ START-UP DATE ______________________________ START-UP CONTRACTOR__________________________________ TECHNICIAN NAME___________________________ PHONE_________________________________________________ TYPE OF GAS _______________________________ GAS PRESSURE AT INLET (BURNERS OFF)___________________________________________________________IN. WG SUPPLY VOLTAGE AT JUNCTION BOX __________________________________________________________________VAC II.

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