Allied 4SHP17LE Service Manual
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Allied 4SHP17LE Service Manual

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SERVICE MANUAL
4SHP17LE/4HP17L
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.
WARNING
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.
CAUTION
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.
508343-01

Table of Contents

Technical Specifications - 4SHP17LE .........................2
Technical Specifications - 4HP17L ..............................5
General ......................................................................10
Installation .................................................................10
Refrigeration Piping ...................................................12
Start-Up Procedure....................................................21
Operation ...................................................................22
Maintenance ..............................................................27
Homeowner Information ............................................29
Charge Labels ...........................................................35
Start-Up and Performance Checklist .........................43
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.
*P508343-01*
Issue 2247
WARNING
(P) 508343-01
Page 1 of 43

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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 - 4SHP17LE ......2 Technical Specifications - 4HP17L ......5 General ..............10 Installation ..............10...

  • Page 2: Technical Specifications - 4Shp17Le

    Technical Specifications - 4SHP17LE MODEL NUMBER GUIDE 4 SHP 17 LE 1 36 P - 51 A Refrigerant Major Revision Code 4 = R410A Minor Revision Code Electrical Split Heat Pump P = 1-phase, 208/240V, 60HZ SEER Tonnage 18, 24, 30, 36, 42, 48, 60...
  • Page 3 1 Certified in accordance with Unitary Air Conditioner Certification Program, which is based on AHRI Standard 210/240 2 Required to achieve AHRI rating. If NA (not applicable) is in the piston column then TXV is required. 3 Blower time delay relay is standard on all Allied Air Enterprises furnace and AH products. NOTE: For the latest ratings, please see www.alliedratings.com or www.AHRIdirectory.org...
  • Page 4 ACCESSORIES System Accessory Where Used Kit Number Purpose Prevents liquid migration to the compressor especially for Liquid Line Solenoid All models 60M52 high liquid riser applications Enables cooling demand down to 30 °F. Will require freeze Low Ambient (cooling operation) All models 54M89 stat, CC heater and TXV...

  • Page 5: Technical Specifications - 4Hp17L

    Technical Specifications - 4HP17L MODEL NUMBER GUIDE 4 HP 17 L 24 P - 51 A Refrigerant Major Revision Code 4 = R410A Minor Revision Code Electrical Heat Pump P - 208-230V/60 Hz/1 Phase SEER Tonnage 18, 24, 30, 36, 42, 48, 60 Tier L = Louvered PHYSICAL AND ELECTRICAL DATA...
  • Page 6 1. Certified in accordance with Unitary Air Conditioner Certification Program, which is based on AHRI Standard 210/240 2. Required to achieve AHRI rating. If NA (not applicable) is in the piston column then TXV is required. 3. Blower time delay relay is standard on all Allied Air Enterprises furnace and AH products. NOTE: For the latest ratings, please see www.alliedratings.com or www.AHRIdirectory.org...
  • Page 7 ACCESSORIES System Accessory Where Used Kit Number Purpose Prevents liquid migration to the compressor especially for Liquid Line Solenoid All models 60M52 high liquid riser applications Enables cooling demand down to 30 °F. Will require freeze Low Ambient (cooling operation) All models 54M89 stat, CC heater and TXV...
  • Page 8 FAN BLADE SPECS Fan Blade 4SHP17LE*-51 Dia. #of Blades Pitch Part # 22" 23C06 22" 23C06 22" 23C06 26" 23V42 26" 23V43 26" 23V43 26" 23V43 Fan Blade 4HP17L*-51 Dia. #of Blades Pitch Part # 22" 23C06 22" 23C06 22"...
  • Page 9 Figure 1. Typical Parts Arranegment - 4SHP17LE Figure 2. Typical Parts Arranegment - 4HP17L 508343-01 Issue 2247 Page 9 of 43...

  • Page 10: General

    Always disconnect electrical power before removing General panel or servicing equipment. Keep hands and clothing away from moving parts. Read this entire instruction manual, as well as the Handle refrigerant with caution; refer to proper MSDS instructions supplied in separate equipment, before from refrigerant supplier.
  • Page 11 If conditions or local codes require the unit be attached to pad or mounting frame, tie down bolts should be used and secured to unit base pan. Discharge Air Building Structure 24” 6”* Mounting Slab 30” around Ground Level Control Mounting slab must slope slightly away from NOTE: See Table 2 for specific minimum clearance guidelines.

  • Page 12: Refrigeration Piping

    Filter Drier Refrigeration Piping The filter drier is very important for proper system operation and reliability. If the drier is shipped loose, it must be installed by the installer in the field. Unit warranty will be • Use only refrigerant grade copper tubes. void, if the drier is not installed.
  • Page 13 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 14 NOTE In lieu of R-410A, an industry-standard flushing agent may also be used. CYLINDER CONTAINING GAUGE CLEAN R-410A TO BE MANIFOLD USED FOR FLUSHING (Positioned to deliver liquid refrigerant) HIGH VAPOR LINE OUTDOOR SERVICE VALVE UNIT OPENED CLOSED EXISTING INDOOR UNIT LIQUID LINE SERVICE VALVE...
  • Page 15 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 16 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 17 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 18 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 19 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 20: Electrical - Circuit Sizing And Wire Routing

    Electrical – Circuit Sizing and Wire Routing WARNING In the U.S.A., wiring must conform with current local codes Fire Hazard. Use of aluminum wire with this product and the current National Electric Code (NEC). In Canada, may result in a fire, causing property damage, severe wiring must conform with current local codes and the injury or death.

  • Page 21: Start-Up Procedure

    The following illustration provides an example of control wiring connections when using a standard thermostat. THERMOSTAT INDOOR UNIT OUTDOOR UNIT THERMOSTAT INDOOR UNIT OUTDOOR UNIT 24V POWER 24V POWER COMMON COMMON COMMON COMMON EMERGENCY HEAT RELAY 1ST STAGE 1ST STAGE OUTDOOR EMERGENCY AUXILIARY...

  • Page 22: Operation

    Before final adjustment is made to the refrigerant charge, Add refrigerant if subcooling is lower than table. it is imperative that proper indoor airflow be established. Recover refrigerant if subcooling is high. Airflow will be higher across a dry coil versus a wet coil. If ambient temp is lower than 60°F, check charge in Blower charts are calculated with a dry or wet coil basis.
  • Page 23 TEST PINS AMBIENT DEFROST THERMOSTAT TERMINATION PINS PIN SETTINGS SENSOR PLUG-IN (COIL & AMBIENT SENSORS) DIAGNOSTIC LEDs DELAY PINS REVERSING 24V TERMINAL VALVE STRIP CONNECTIONS PRESSURE SWITCH CIRCUIT CONNECTIONS Note - Component Locations Vary by Board Manufacturer Figure 8. Control Board Defrost System Sensors being open, shorted or out of the temperature range of the sensor, the board will not perform demand or...

  • Page 24: Control Board Diagnostics And Test Mode

    Delay Mode Actuation When the reversing valve is de-energized, the Y1 circuit is The defrost system has a field-selectable function to energized, and the coil temperature is below 35°F (2°C), reduce occasional sounds that may occur while the unit is the board logs the compressor run time.
  • Page 25 DS1 and DS2 System Status, Fault and Lockout Codes Type Condition / Code Possible Cause(s) Solution Green 1. Check control transformer power (24V). No power (24V) to control Status Power Problem board terminals R and C or 2. If power is available to control board and control board failure.
  • Page 26 Control Control Label Purpose Function Locations or Description The control board has selections which are: 50, 70, 90, and 100°F Defrost Temperature (10, 21, 32 and 38°C). The shunt termination pin is factory-set at 50°F 50, 70, 90, 100 Termination Shunt (10°C).

  • Page 27: Maintenance

    Maintenance Regular Maintenance Requirements Your system should be regularly inspected by a qualified service technician. These regular visits may include (among other things) checks for: • Motor operation Remove two screws at top • Ductwork air leaks panel to remove •...
  • Page 28 WARNING To prevent personal injury, or damage to panels, unit or structure, be sure to observe the following: While installing or servicing this unit, carefully stow all removed panels out of the way, so that the panels will not cause injury to personnel, nor cause damage to objects or structures nearby, nor will the panels be subjected to damage (e.g., being bent or scratched).

  • Page 29: Homeowner Information

    Homeowner Information Fan Switch In AUTO or INT (intermittent) mode, the blower operates WARNING only when the thermostat calls for heating or cooling. This ELECTRICAL SHOCK HAZARD! mode is generally preferred when humidity control is a priority. Turn OFF electric power to unit before performing any maintenance or removing panels or doors.
  • Page 30 IF YOUR SYSTEM STILL DOES NOT OPERATE, CONTACT YOUR SERVICING DEALER. Be sure to describe the problem, and have the model and serial numbers of the equipment available. If warranty replacement parts are required, the warranty must be processed through a qualified distribution location. Page 30 of 43 Issue 2247 508343-01...
  • Page 31 Figure 11. Typical Factory Wiring (-018 through -036 models) 508343-01 Issue 2247 Page 31 of 43...
  • Page 32 Figure 12. Typical Factory Wiring (-042 through -060 models) Page 32 of 43 Issue 2247 508343-01...
  • Page 33 Figure 13. Wiring Diagram 018 - 036 Models 508343-01 Issue 2247 Page 33 of 43...
  • Page 34 Figure 14. Wiring Diagram 042 - 060 Models Page 34 of 43 Issue 2247 508343-01...

  • Page 35: Charge Labels

    Charge Labels 508343-01 Issue 2247 Page 35 of 43...
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  • Page 37 508343-01 Issue 2247 Page 37 of 43...
  • Page 38 Page 38 of 43 Issue 2247 508343-01...
  • Page 39 508343-01 Issue 2247 Page 39 of 43...
  • Page 40 Page 40 of 43 Issue 2247 508343-01...
  • Page 41 508343-01 Issue 2247 Page 41 of 43...
  • Page 42 HFC-410A CHARGING INFORMATION – FOR COMPLETE CHARGING DETAILS, REFER TO THE OUTDOOR UNIT INSTALLATION INSTRUCTIONS Maintenance checks using the Normal Operating Pressures table Matchups/Charge Levels and Line Set Lengths Table 1 may be used to help perform maintenance checks. This table is not a procedure for charging the Table 2 lists all the recommended indoor unit matchups along with the charge levels for the various sizes of outdoor units.

  • Page 43: 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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