Allied 4SCU13LE/B Service Manual Download Page 40 | Manualshive

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508216-01

Issue 2130

Page 40 of 42

Figure 17.

4SCU13L*-2

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Summary of Contents for 4SCU13LE/B

Page 1: ... 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 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 WARNING As with any mechanical equipment ...

Page 2: ...4SCU13LE142P 5 208 230 60 1 197 253 28 1 45 21 1 90 1 7 1 4 825 4SCU13LE142P 6 208 230 60 1 197 253 25 7 40 19 2 124 1 7 1 4 825 4SCU13LE148P 5 208 230 60 1 197 253 31 9 50 24 1 100 1 7 1 4 825 4SCU13LE160P 5 208 230 60 1 197 253 29 4 50 22 1 125 1 7 1 4 825 UNIT DIMENSIONS IN Model No Dimensions Shipping Weight lbs A width B depth C Height 4SCU13LE118P 5 24 75 26 75 25 75 140 4SCU13LE124P 5 6 24 ...

Page 3: ... Will require freeze stat CC heater and TXV Compressor Short Cycle Protector All models 47J27 Delays compressor start 5 7 minutes to prevent short cycling Hard Start 18 10J42 Scroll compressors usually do not require hard start maybe needed for utility brown out or low voltage areas Hard Start 24 thru 60 88M91 Crankcase Heater 18 24 30 36 93M04 Prevents liquid migration to compressor in cold weath...

Page 4: ...8 7 8 or 1 1 8 4 3 8 0 090 H4TXV02 Note 1 Required to achieve AHRI rating If NA Not Applicable is in the piston column then TXV is required 2 Use 3 8 if over 24 feet of line set 3 Use 3 4 if over 24 feet of line set 4 Use 1 1 8 if over 24 feet of line set Adapter provided with OD unit 5 Use 7 8 if over 24 feet of line set 6 Charged for 15 ft of line set 7 DTC Designated Tested Combination COOLING ...

Page 5: ...1 5 1090 4SCU13LB130P 6 208 230 60 1 197 253 17 1 25 12 8 68 1 1 1 5 1090 4SCU13LB136P 3 208 230 60 1 197 253 20 1 35 15 2 70 1 1 1 5 1090 4SCU13LB136P 6 208 230 60 1 197 253 20 4 35 15 4 84 1 1 1 5 1090 4SCU13LB142P 3 208 230 60 1 197 253 28 1 45 21 1 90 1 7 1 4 825 4SCU13LB142P 6 208 230 60 1 197 253 25 7 40 19 2 124 1 7 1 4 825 4SCU13LB148P 3 208 230 60 1 197 253 31 9 50 24 1 100 1 7 1 4 825 4S...

Page 6: ...ting box All models 31461 Mounting box for outdoor thermostat Freezestat All models 93G35 Protects the compressor at low suction pressure conditions Overflow switch All models 11U75 Turn the system off if condensate water overflows due to clogged drain pipes Blower time delay All models 58M81 Improves system efficiency and comfort Single point power supply All models 21H39 Provide single power sou...

Page 7: ...8 7 8 or 1 1 8 4 3 8 0 090 H4TXV02 Note 1 Required to achieve AHRI rating If NA Not Applicable is in the piston column then TXV is required 2 Use 3 8 if over 24 feet of line set 3 Use 3 4 if over 24 feet of line set 4 Use 1 1 8 if over 24 feet of line set Adapter provided with OD unit 5 Use 7 8 if over 24 feet of line set 6 Charged for 15 ft of line set 7 DTC Designated Tested Combination COOLING ...

Page 8: ...U13LE148P 4 208 230 60 1 197 253 31 9 50 24 1 100 1 7 1 4 825 124 198 4SCU13LE160P 4 208 230 60 1 197 253 29 4 50 22 1 125 1 7 1 4 830 144 211 Note Weights listed are unit weights with packaging Factory charged for 15 feet offline set Adjust per installation instructions UNIT DIMENSIONS IN Model No Dimensions Sound Rating dBA A Width B Depth C Height 4SCU13LE118P 4 24 75 26 75 25 75 74 4SCU13LE124...

Page 9: ...Kit Number Crankcase Heater 18 24 30 36 93M04 42 48 60 93M05 Hard Start 18 10J42 24 30 36 42 48 60 88M91 Compressor Low Ambient All 45F08 Short Cycle Protector All 47J27 Freezestat 3 8 tubing 93G35 5 8 tubing 50A93 Time Delay Relay All 58M81 Loss of Charge Kit All 84M23 ...

Page 10: ...216 4SCU13LE148P 230 60 1 197 253 28 3 50 21 8 117 0 1 1 1 6 825 127 220 4SCU13LE160P 230 60 1 197 253 34 6 60 26 3 134 0 1 7 1 4 825 160 282 Note Weights listed are unit weights with packaging Factory charged for 15 feet offline set Adjust per installation instructions UNIT DIMENSIONS IN Model No Dimensions Sound Rating dBA A Width B Depth C Height 4SCU13LE118P 24 75 26 75 25 75 74 4SCU13LE124P 2...

Page 11: ...2 98M21 60 2 3 4 5 22 4 32 30W24 ACCESSORIES Description Where Used Kit Number Blower Off Delay Kit All 40K58 Compressor Sound Covers All 69J03 Compressor Low Ambient Cutoff All 45F08 Freezestats 3 8 tubing All 93G35 Freezestats 5 8 tubing All 50A93 Time Off Control A C only All 47J27 Crankcase Heater CCH 18 24 30 36 93M04 42 48 60 93M05 Hard Start Kit 1 5 3 5 ton 18 10J42 Hard Start KIt 4 5 ton 2...

Page 12: ... 825 160 228 4SCU13LC136F 460 3 60 414 506 7 8 15 5 8 38 0 0 55 1 5 1075 89 202 4SCU13LC148F 460 3 60 414 506 8 8 15 6 2 41 0 1 00 1 4 825 122 220 4SCU13LC160F 460 3 60 414 506 10 7 15 7 8 52 0 1 00 1 4 825 160 228 Note Weights listed are unit weights with packaging UNIT DIMENSIONS IN Model No Dimensions Sound Rating dBA A Width B Depth C Height 4SCU13LC136 24 75 26 75 29 75 76 4SCU13LC148 29 38 3...

Page 13: ...ay Kit All 40K58 Compressor Sound Covers All 69J03 Compressor Low Ambient Cutoff All 45F08 Freezestats 3 8 tubing All 93G35 Freezestats 5 8 tubing All 50A93 Time Off Control A C only All 47J27 Crankcase Heater CCH 230 volts 36 93M04 48 60 93M05 Low Ambient All 34M72 TXV Kit All A4TXV02 60 H4TXV03 ...

Page 14: ...UTDOOR COIL DISCHARGE LINE HIGH PRESSURE SWITCH COMPRESSOR GROUND LUG CONTACTOR CONTROL DUAL RUN CAPACITOR CONTROL WIRE LOOP CUTOUT FOR HIGH VOLTAGE CONDUIT NOTE Plumbing layout and compressor type may vary between model sizes CRANKCASE HEATER THERMOSTAT CRANKCASE HEATER THERMAL SWITCH Figure 1 Typical Parts Arranegment ...

Page 15: ...V03 4SCU13LE130P 1 4 5 0 063 A4TXV01 4SCU13LB130P 2 0 065 A4TXV01 4SCU13LC136F 0 073 A4TXV02 4SCU13LE130P 2 3 0 065 A4TXV01 4SCU13LB130P 3 0 063 A4TXV01 4SCU13LC148F 0 081 A4TXV02 4SCU13LE136P 1 0 074 A4TXV01 4SCU13LB136P 2 0 069 A4TXV01 4SCU13LC160F 0 090 A4TXV03 4SCU13LE136P 2 3 0 073 A4TXV01 4SCU13LB136P 3 0 072 A4TXV01 4SCU13LE136P 4 5 0 072 A4TXV01 4SCU13LB142P 2 0 076 A4TXV02 4SCU13LE142P 1 ...

Page 16: ...its 24 Against wall 6 Maximum soffit overhang is 36 NOTE At least one side should be unobstructed by a wall or other barrier Table 2 Clearances 30 around Control Box 24 6 NOTE See Table 2 for specific minimum clearance guidelines Figure 3 DO LOCATE THE UNIT With proper clearances on sides and top of unit On a solid level foundation or pad unit must be level to within 1 4 in ft per compressor manuf...

Page 17: ...perating Service Valves The liquid and vapor line service valves are used for removing refrigerant flushing leak testing evacuating checking charge and charging Each valve is equipped with a service port which has a factory installed valve stem Liquid and Suction Line Service Valves The liquid line and suction line service valves see Figure 4 and service ports are used for leak testing evacuation ...

Page 18: ... vapor tube It is important that no tubing be cut or seals broken until you are ready to actually make connections to the evaporator and to the condenser section DO NOT remove rubber plugs or copper caps from the tube ends until ready to make connections at evaporator and condenser Under no circumstances leave the lines open to the atmosphere for any period of time if so unit requires additional e...

Page 19: ... THEN STRAP THE LIQUID LINE TO THE VAPOR LINE FLOOR JOIST OR ROOF RAFTER REFRIGERANT LINE SET INSTALLING HORIZONTAL RUNS NOTE Similar installation practices should be used if line set is to be installed on exterior of outside wall PVC PIPE FIBERGLASS INSULATION CAULK OUTSIDE WALL VAPOR LINE WRAPPED WITH ARMAFLEX LIQUID LINE OUTSIDE WALL LIQUID LINE VAPOR LINE WOOD BLOCK BETWEEN STUDS STRAP WOOD BL...

Page 20: ...clamps from the liquid line and distributor assembly 3 Disconnect the equalizer line from the check expansion valve equalizer line fitting on the vapor line 4 Remove the vapor line sensing bulb 5 Disconnect the liquid line from the check expansion valve at the liquid line assembly 6 Disconnect the check expansion valve from the liquid line orifice housing Take care not to twist or damage distribut...

Page 21: ...gauges and equipment as shown in Figure 7 2 Set the recovery machine for liquid recovery and start the recovery machine Open the gauge set valves to allow the recovery machine to pull a vacuum on the existing system line set and indoor unit coil 3 Position the cylinder of clean R 410A for delivery of liquid refrigerant and open its valve to allow liquid refrigerant to flow into the system through ...

Page 22: ...wn Sensing bulb insulation is required if mounted external to the coil casing sensing bulb installation for bulb positioning STUB END TEFLON RING LIQUID LINE ASSEMBLY WITH BRASS NUT DISTRIBUTOR ASSEMBLY 3 Install one of the provided Teflon rings around the stubbed end of the check expansion valve and lightly lubricate the connector threads and expose surface of the Teflon ring with refrigerant oil...

Page 23: ...ssure side to liquid line service valve service port B Connect gauge set center port to bottle of nitrogen with regulator C Remove core from valve in vapor line service port to allow nitrogen to escape NITROGEN HIGH LOW USE REGULATOR TO FLOW NITROGEN AT 1 TO 2 PSIG B A C WHEN BRAZING LINE SET TO SERVICE VALVES POINT FLAME AWAY FROM SERVICE VALVE Flow regulated nitrogen at 1 to 2 psig through the l...

Page 24: ...VES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WRAP SERVICE VALVES To help protect service valve seals during brazing wrap water saturated cloths around service valve bodies and copper tube stubs Use additionalwater saturated cloths underneath the valve body to protect the base paint 4 FLOW NITROGEN Flow regulated nitrogen at 1 to 2 psig through the refrigeration gauge set int...

Page 25: ...he valve on the high side of the manifold gauge set in order to pressurize the line set and the indoor unit E After a few minutes open one of the service valve ports and verify that the refrigerant added to the system earlier is measurable with a leak detector F After the line set has been connected to the indoor and outdoor units check the line set connections and indoor unit for leaks Use the fo...

Page 26: ...uid refrigerant Open the manifold gauge valve 1 to 2 psig in order to release the vacuum in the line set and indoor unit G Perform the following Close manifold gauge valves Shut off HFC 410A cylinder Reinstall service valve cores by removing manifold hose from service valve Quickly install cores with core tool while maintaining a positive system pressure Replace stem caps and finger tighten them t...

Page 27: ...cess high voltage field wiring should be trimmed or secured away from the low voltage field wiring 2 High voltage power connections to 3 phase models is made to Pig Tail leads with field supplied splice connectors 3 Ground unit at unit disconnect switch or to an earth ground To facilitate conduit a hole is in the bottom of the control box Connect conduit to the control box using a proper conduit f...

Page 28: ...508216 01 Issue 2130 Page 28 of 42 HIGH PRESSURE SWITCH S4 LIQUID LINE CRANKCASE THERMOSTAT S40 CRANKCASE HEATER HR1 Figure 9 Typical Factory Wiring Diagram Copeland Compressor ...

Page 29: ...01 Issue 2130 Page 29 of 42 CRANKCASE HEATER HR1 HIGH PRESSURE SWITCH S4 LIQUID LINE CRANKCASE THERMOSTAT S40 THERMAL PROTECTION SWITCH S5 OR S173 Figure 10 Typical Factory Wiring Diagram Interlink Compressor ...

Page 30: ... the indoor evaporator and outdoor temperatures above 65 F charge using the superheat method and table provided on the unit access panel For systems using a TXV on the indoor evaporator and outdoor temperature above 60 F charge in Sequence of Operation NOTE The thermostat used may be electromechanical or electronic NOTE Transformer in indoor unit supplies power 24 VAC to the thermostat and outdoor...

Page 31: ...rushed from the condenser coils Use a soft bristle brush with light pressure only DO NOT damage or bend condenser coil fins Damaged or bent fins may affect unit operation Figure 11 Removing Louvers Remove two screws at top panel to remove louvers for coil access SHARP OBJECT HAZARD Condenser coils have sharp edges Wear adequate body protection on body extremities e g gloves FAILURE TO FOLLOW THIS ...

Page 32: ...508216 01 Issue 2130 Page 32 of 42 Figure 12 A C Single Phase Wiring Diagram Wiring Diagram ...

Page 33: ...508216 01 Issue 2130 Page 33 of 42 Figure 13 A C Single Phase Wiring Diagram 59 model only ...

Page 34: ...508216 01 Issue 2130 Page 34 of 42 Figure 14 3 Phase 208 230 Volt ...

Page 35: ...508216 01 Issue 2130 Page 35 of 42 Figure 15 3 Phase 460 Volt ...

Page 36: ...UID PHASE CONNECTIONS FOR TESTING AND CHARGING GAUGE SET A C D LOW HIGH B SUCTION LINE SERVICE PORT CONNECTION Servicing Units Void of Charge If the outdoor unit is void of refrigerant clean the system using the procedure described below 1 Leak check system using procedure outlined on Page 25 2 Evacuate the system using procedure outlined on Page 25 3 Use nitrogen to break the vacuum and install a...

Page 37: ...59 60 61 62 63 64 65 66 67 68 69 70 Temperature of air entering indoor coil ºF INDOOR COIL DRY BULB DRY BULB WET BULB B TDrop 19º A Dry bulb Wet bulb ºF A 72º B 64º C 53º air flow air flow All temperatures are expressed in ºF 1 Determine the desired DT Measure entering air temperature using dry bulb A and wet bulb B DT is the intersecting value of A and B in the table see triangle 2 Find temperatu...

Page 38: ...0 10 23 3 36 8 90 32 2 274 0 5 20 6 42 5 95 35 0 295 0 0 17 8 48 6 100 37 8 317 0 5 15 0 55 2 105 40 6 340 0 10 12 2 62 3 110 43 3 365 0 15 9 4 70 0 115 46 1 391 0 20 6 7 78 3 120 48 9 418 0 25 3 9 87 3 125 51 7 446 0 30 1 1 96 8 130 54 4 476 0 35 1 7 107 0 135 57 2 507 0 40 4 4 118 0 140 60 0 539 0 45 7 2 130 0 145 62 8 573 0 50 10 0 142 0 150 65 6 608 0 55 12 8 155 0 Table 6 HFC 410A Temperature...

Page 39: ...508216 01 Issue 2130 Page 39 of 42 Charge Labels Figure 16 4SCU13L 3 through 5 ...

Page 40: ...508216 01 Issue 2130 Page 40 of 42 Figure 17 4SCU13L 2 ...

Page 41: ...508216 01 Issue 2130 Page 41 of 42 Figure 18 4SCU13L 1 ...

Page 42: ...________________________________________________ Rated LoadAmpacity ________________ Compressor _______________________ Outdoor Fan ________________________ Maximum Fuse or Circuit Breaker _______________________________________________________________________________ Electrical Connections Tight Indoor Filter Clean Supply Voltage Unit Off _______________ Indoor Blower RPM _________________ S P Dr...

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