Allied 4SHP15LE Service Manual
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Allied 4SHP15LE Service Manual

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SERVICE MANUAL
4SHP14LB/4SHP15LE
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer (or
equivalent), service agency or the gas supplier.
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves
and protective clothing.
508085-01
WARNING
CAUTION

Table of Contents

Technical Specifications - 4SHP15LE .........................2
Technical Specifications - 4SHP14LB .........................5
Parts Arrangement.....................................................14
General Information ...................................................15
Installation .................................................................16
Refrigeration Piping ...................................................18
Electrical Wiring .........................................................26
Operation ...................................................................27
Maintenance ..............................................................29
Homeowner Information ............................................29
Start-Up .....................................................................33
Start-Up and Performance Checklist .........................40
Electric shock hazard.
Can cause injury or death. Before attempting
to perform any service or maintenance,
turn the electrical power to unit OFF at
disconnect switch(es). Unit may have
multiple power supplies.
*P508085-01*
Issue 2029
WARNING
(P) 508085-01
Page 1 of 40

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  • Page 1: Table Of Contents

    This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death. Table of Contents Technical Specifications - 4SHP15LE ......2 Technical Specifications - 4SHP14LB ......5 Technical Specifications - Past Models .......8 Parts Arrangement.............14...

  • Page 2: Technical Specifications - 4Shp15Le

    Technical Specifications - 4SHP15LE MODEL NUMBER GUIDE 4 SHP 15 LE 1 24 P - 50 A 4 SHP 15 LE 1 24 P - 50 A REFRIGERANT MINOR REVISION CODE 4 = R410A MAJOR REVISION CODE 50 = OMNIGUARD ®...
  • Page 3 SOUND RATINGS Estimated Sound Pressure (dBA) Approximate Distance Model Sound Power 3.3 Feet 6.6 Feet 9.8 Feet (1 Meter) (2 Meters) (3 Meters) 4SHP15LE118P-50 4SHP15LE124P-50 4SHP15LE130P-50 4SHP15LE136P-50 4SHP15LE142P-50 4SHP15LE148P-50 4SHP15LE160P-50 1 Rated in accordance with AHRI standard 270 (2015). AHRI Standard 270 establishes a method of rating outdoor unitary equipment in terms of Sound Power. 2 Rated in accordance with AHRI standard 275 (2010).
  • Page 4 1 DTC = Designated Tested Combination 2 Certified in accordance with Unitary Air Conditioner Certification Program, which is based on AHRI Standard 210/240 3 A blower time delay relay is standard on all Allied Air Enterprises furnace and AH products. Page 4 of 40...

  • Page 5: Technical Specifications - 4Shp14Lb

    Technical Specifications - 4SHP14LB MODEL NUMBER GUIDE 4 SHP 14 LB 1 24 P - 50 A 4 SHP 14 LB 1 24 P - 50 A REFRIGERANT MINOR REVISION CODE 4 = R410A MAJOR REVISION CODE 50 = OMNIGUARD® SPLIT HEAT PUMP ELECTRICAL SEER...
  • Page 6 SOUND RATINGS Estimated Sound Pressure (dBA) Approximate Distance Model Sound Power 3.3 Feet 6.6 Feet 9.8 Feet (1 Meter) (2 Meters) (3 Meters) 4SHP14LB118P-50 4SHP14LB124P-50 4SHP14LB130P-50 4SHP14LB136P-50 4SHP14LB142P-50 4SHP14LB148P-50 4SHP14LB160P-50 1 Rated in accordance with AHRI standard 270 (2015). AHRI Standard 270 establishes a method of rating outdoor unitary equipment in terms of Sound Power. 2 Rated in accordance with AHRI standard 275 (2010).
  • Page 7 1 DTC = Designated Tested Combination 2 Certified in accordance with Unitary Air Conditioner Certification Program, which is based on AHRI Standard 210/240 3 A blower time delay relay is standard on all Allied Air Enterprises furnace and AH products. 508085-01...

  • Page 8: Technical Specifications - Past Models

    Technical Specifications - Past Models MODEL NUMBER GUIDE 4 SHP 14 LB 1 24 P - 7 A 4 SHP 14 LB 1 24 P - 7 A REFRIGERANT MINOR REVISION CODE 4 = R410A MAJOR REVISION CODE SPLIT HEAT PUMP VOLTAGE P= 208/230V, 60HZ SEER...
  • Page 9 ACCESSORIES Description Where Used Kit Number 18, 24, 30, 36 93M04 Crankcase Heater 42, 48, 60 93M05 (factory installed) Compressor Low Ambient Kit All models 45F08 18, 24, 30, 36 14W00 (factory installed) Sound Blanket 42, 48, 60 14W01 (factory installed) Short Cycle Protector All models Control board feature...
  • Page 10 MODEL NUMBER GUIDE 4 SHP 14 LE 1 24 P - 7 A 4 SHP 14 LE 1 24 P - 7 A REFRIGERANT MINOR REVISION CODE 4 = R410A MAJOR REVISION CODE SPLIT HEAT PUMP VOLTAGE P= 208/230V, 60HZ SEER TONNAGE 18, 24, 30, 36, 42, 48, 60...
  • Page 11 ACCESSORIES Description Where Used Kit Number 18, 24, 30, 36 93M04 Crankcase Heater 42, 48, 60 93M05 (factory installed) Compressor Low Ambient Kit All models 45F08 18, 24, 30, 36 14W00 (factory installed) Sound Blanket 42, 48, 60 14W01 (factory installed) Short Cycle Protector All models Control board feature...
  • Page 12 MODEL NUMBER GUIDE 4 SHP 14 LE 1 24 P - 4 A 4 SHP 14 LE 1 24 P - 4 A REFRIGERANT MINOR REVISION CODE 4 = R410A MAJOR REVISION CODE SPLIT HEAT PUMP VOLTAGE P= 208/230V, 60HZ SEER TONNAGE 18, 24, 30, 36, 42, 48, 60...
  • Page 13 ACCESSORIES Description Where Used Kit Number Blower Off Delay Kit All models 40K58 Compressor Low Ambient Cut-off All models 45F08 High Pressure Swith Kit All models 94J46 Time Off Control All models 47J27 Crankcase Heater All models 67K90 18, 24, 30, 36, 42 10J42 Hard Start Kit 48, 60...

  • Page 14: Parts Arrangement

    Parts Arrangement Control Dual Run Capacitor (C12) Contactor (K-1) Ground Defrost Control (CMC1) Control Wire Cutout for Loop High Voltage Conduit Page 14 of 40 Issue 2029 508085-01...

  • Page 15: General Information

    Using Manifold Gauge Set General Information When checking the system charge, only use a manifold gauge set that features low loss anti-blow back fittings. These instructions are intended as a general guide and do Manifold gauge set used with HFC-410A refrigerant not supersede national or local codes in any way.

  • Page 16: Installation

    To Access the Schrader Port: Installation Remove the service port cap with an adjustable wrench. NOTE: In some cases, noise in the living area has been Connect gauge to the service port. traced to gas pulsations from improper installation of When testing is completed, replace service port cap.
  • Page 17 Discharge Air Building Structure 24” Mounting Slab 6”* Ground Level Mounting slab must slope slightly away from building, not to exceed 1/4” per foot. 30” around Control Figure 3. Slab Mounting NOTE: See Table 2 for specific minimum clearance guidelines. Elevate Unit Figure 4.

  • Page 18: Refrigeration Piping

    Be extra careful with sharp bends. Tubing can “kink” very Refrigeration Piping easily, and if this occurs, the entire tube length will have to be replaced. Extra care at this time will eliminate future service problems. Use only refrigerant grade copper tubes. •...
  • Page 19 LINE SET IMPORTANT — Refrigerant lines must not contact structure. INSTALLATION REFRIGERANT LINE SET — INSTALLING Line Set Isolation — The following illustrations are VERTICAL RUNS (NEW CONSTRUCTION SHOWN) examples of proper refrigerant line set isolation: NOTE — Insulate liquid line when it is routed through areas where the surrounding ambient temperature could become higher than the REFRIGERANT LINE SET —...
  • Page 20 Flushing Line Sets CYLINDER CONTAINING GAUGE If the unit will be installed in an existing system that uses CLEAN R-410A TO BE MANIFOLD USED FOR FLUSHING an indoor unit or line sets charged with R-22 refrigerant, (Positioned to deliver liquid installer must perform the following flushing procedure.
  • Page 21 Refrigerant Piping - Install Indoor Expansion Valve This outdoor unit is designed for use in systems that include an expansion valve metering device (purchased separately) at the indoor coil. See the Product Specifications for approved expansion valve kit match-ups and application information. The check expansion valve unit can be installed internal or external to the indoor coil.
  • Page 22 Refrigerant Piping - Brazing Procedures CAP AND CORE REMOVAL CUT AND DEBUR Cut ends of the refrigerant lines square (free from nicks or dents) Remove service cap and core from and debur the ends. The pipe must remain round. Do not crimp end both the vapor and liquid line service of the line.
  • Page 23 WRAP SERVICE VALVES To help protect service valve seals during brazing, wrap water-saturated cloths around service valve bodies and copper tube stubs. Use additional water-saturated cloths underneath the valve body to protect the base paint. FLOW NITROGEN Flow regulated nitrogen (at 1 to 2 psig) through the refrigeration gauge set into the valve stem port connection on the liquid service valve and out of the vapor valve stem port.
  • Page 24 Leak Test and Evacuation LEAK TEST HIGH MANIFOLD GAUGE SET OUTDOOR UNIT TO VAPOR SERVICE VALVE NOTE - Position canister to deliver liquid refrigerant. NITROGEN HFC-410A CONNECT GAUGE SET A - Connect the high pressure hose of an HFC-410A manifold gauge set to the vapor valve service port. NOTE - Normally, the high pressure hose is connected to the liquid line port.
  • Page 25 EVACUATION HIGH CONNECT GAUGE SET NOTE - Remove cores from service valves (if not already done). A - Connect low side of manifold gauge set with 1/4 SAE in-line tee to vapor line service valve B - Connect high side of manifold gauge set to OUTDOOR MANIFOLD liquid line service valve...

  • Page 26: Electrical Wiring

    Install room thermostat according to thermostat Electrical Wiring installation instruction and on an inside wall that is not subject to drafts, direct sunshine, or other heat All field wiring must be done in accordance with the National sources. Electrical Code (NEC) recommendations, Canadian Install low voltage wiring from outdoor to indoor unit Electrical Code (CEC) and CSA Standards, or local codes, and from thermostat to indoor unit (see Figure 7).

  • Page 27: Operation

    • when the average ambient sensor temperature is Operation below 15° F (-9°C) • for 90 seconds following the start up of the compressor The outdoor unit and indoor blower cycle on demand • during “test” mode from the room thermostat. When the thermostat blower switch is in the ON position, the indoor blower operates High Pressure Switch (HI-PS) continuously.
  • Page 28 Defrost System Time Delay The defrost system includes two (2) components: a defrost The timed-off delay is 5 minutes long. The delay helps thermostat and a control board. to protect the compressor from short-cycling in case the power to the unit is interrupted or a pressure switch opens. Defrost Thermostat The delay is bypassed by placing the timer select jumper across the TEST pins for 0.5 seconds.

  • Page 29: Maintenance

    Maintenance Regular Maintenance Requirements of the air. Clogged condenser coils will lower the efficiency Your system should be regularly inspected by a qualified of your unit and could cause damage to the condenser. service technician. These regular visits may include Periodically, debris should be brushed from the condenser (among other things) checks for: coils.
  • Page 30 • Do not be alarmed if you notice frost on the outdoor coil System Switch in the winter months. Frost develops on the outdoor Set the system switch for heating, cooling or auto coil during the heating cycle when temperatures are operation.
  • Page 31 Figure 10. H/P 14/15 SEER Wiring Diagram 508085-01 Issue 2029 Page 31 of 40...
  • Page 32 THERMAL SWITCH (S173) HIGH PRESSURE SWITCH (S4) — LIQUID LINE LOW PRESSURE SWITCH (S87) — SUCTION LINE GROUND WIRE REVERSING VALVE (L1) (GREEN) CRANKCASE HEATER DEFROST THERMOSTAT (S6) CRANKCASE THERMOSTAT (S40) - -036, -042, 048, AND -060 UNITS ONLY Figure 11. Typical Unit Factory Wiring Page 32 of 40 Issue 2029 508085-01...

  • Page 33: Start-Up

    Oz. Per 5 ft. adjust from 15 Start-Up Liquid Line Set Diameter ft. line set* 3 oz. per 5 ft. 3/8 in. or 0.6 oz. per 1 ft. CAUTION * If line length is greater than 15 ft., add this amount. If line length is less than 15 ft., remove this amount.
  • Page 34 GAUGE SET MANIFOLD GAUGE SET CONNECTIONS FOR OPTIMIZING SYSTEM CHARGE HIGH NOTE — Refrigerant tank should be turned right-side-up to deliver vapor during charge optimizing procedure. TRUE SUCTION PORT CONNECTION HFC-410A REFRIGERANT TANK CHARGE IN LIQUID PHASE TEMPERATURE SENSOR DIGITAL SCALE (LIQUID LINE) TO LIQUID LINE SERVICE VALVE...
  • Page 35 Adding or Removing Refrigerant This system uses HFC-410A refrigerant which operates at much higher pressures than HFC-410A. The pre-installed liquid line filter drier is approved for use with HFC-410A only. Do not replace it with components designed for use with HFC-410A. This unit is NOT approved for use with coils which use capillary tubes or fixed orifices as a refrigerant metering device.
  • Page 36 Use WEIGH IN method for adding initial refrigerant charge, and then use SUBCOOLING method for verifying refrigerant charge. WEIGH IN CALCULATING SYSTEM CHARGE FOR OUTDOOR UNIT VOID OF CHARGE If the system is void of refrigerant, first, locate and repair any leaks and then weigh in the refrigerant charge into the unit.
  • Page 37 °F °C Psig °F °C Psig -40.0 11.6 15.6 -37.2 14.9 18.3 -34.4 18.5 21.1 -31.7 22.5 23.9 -28.9 26.9 26.7 -26.1 31.7 29.4 -23.3 36.8 32.2 -20.6 42.5 35.0 -17.8 48.6 37.8 -15.0 55.2 40.6 -12.2 62.3 43.3 -9.4 70.0 46.1 -6.7...
  • Page 38 Figure 16. Charging Procedure 4SHP15LE/14LB-50 Page 38 of 40 Issue 2029 508085-01...
  • Page 39 Figure 17. Charging Procedure 4SHP14LE/LB-5,6,7 508085-01 Issue 2029 Page 39 of 40...

  • Page 40: Start-Up And Performance Checklist

    Start-Up and Performance Checklist Job Name _________________________________________ Job no. _____________________________ Date ________________ Job Location ____________________________________________ City ______________________ State ____________________ Installer ________________________________________________ City ______________________ State ____________________ Unit Model No. _____________________ Serial No. __________________________ Service Technician ____________________ Nameplate Voltage __________________________________________________________________________________________ Rated Load Ampacity ________________ Compressor ________________________ Outdoor Fan ________________________ Maximum Fuse or Circuit Breaker _______________________________________________________________________________ □...

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