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Allied 4AC13B Service Manual Download Page 6

508226-01

Issue 2135

Page 6 of 38

ACCESSORIES

System Accessory

Where Used

Kit Number

Purpose

Compressor Low Ambient Kit

All models

45F08

Enables cooling demand down to 30 °F.  Will require freeze stat, CC heater and TXV

Hard Start

18

10J42

Scroll compressors usually do not require hard start; maybe needed for utility brown-

out or low voltage areas

24 thru 60

88M91

Crankcase Heater

18, 24, 30, 36

93M04

Prevents liquid migration to compressor in cold weather

42, 48, 60

93M05

Sound Cover

All models

69J03

Lowers compressor sound level

Short Cycle Protector

All models

47J27

Delays compressor start 5-7 minutes to prevent short cycling

Loss of Charge Kit

All models

84M23

Protects the compressor if refrigerant charge is too low

TXV Kit

18, 24, 30, 36

A4TXV01

TXVs provide superior refrigerant flow control, comfort and efficiency compared to 

pistons

42, 48, 60

A4TXV02

Freezestat

3/8” tubing

93G35

Protects the compressor at low suction pressure conditions

5/8” tubing

50A93

Blower Time Delay Relay

All models

58M81

Improves system efficiency and comfort

Summary of Contents for 4AC13B

Page 1: ...er 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 contact with sharp sheet metal edges ...

Page 2: ...45 21 2 90 1 7 1 4 825 4AC13 42P 11 208 230 60 1 197 253 25 7 40 19 2 124 1 7 1 4 825 4AC13 48P 10 208 230 60 1 197 253 31 9 50 24 2 100 1 7 1 4 825 4AC13 48P 11 208 230 60 1 197 253 31 9 50 24 2 100 1 7 1 4 825 4AC13 60P 10 208 230 60 1 197 253 34 7 60 26 4 125 1 7 1 4 825 4AC13 60P 11 208 230 60 1 197 253 34 7 60 26 4 125 1 7 1 4 825 Overcurrent protection device UNIT DIMENSIONS IN Model No Dime...

Page 3: ...o 30 F 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 24 thru 60 88M91 Crankcase Heater 18 24 30 36 93M04 Prevents liquid migration to compressor in cold weather 42...

Page 4: ... 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 PERFORMANCE WITH DTC1 Outd...

Page 5: ...9 50 24 1 100 1 7 1 4 825 124 4AC13 60P 7 8 208 230 60 1 197 253 29 4 50 22 1 120 1 7 1 4 825 144 Overcurrent protection device Factory charge adequate for 15 feet of line set Adjust per installation instructions UNIT DIMENSIONS IN SOUND RATINGS Model No Dimensions Shipping Weight lbs Sound Ratings dBA A Width B Depth C Height Louvered 4AC13 18P 7 8 24 25 24 25 25 136 74 4AC13 24P 7 8 24 25 24 25 ...

Page 6: ...tion to compressor in cold weather 42 48 60 93M05 Sound Cover All models 69J03 Lowers compressor sound level Short Cycle Protector All models 47J27 Delays compressor start 5 7 minutes to prevent short cycling Loss of Charge Kit All models 84M23 Protects the compressor if refrigerant charge is too low TXV Kit 18 24 30 36 A4TXV01 TXVs provide superior refrigerant flow control comfort and efficiency ...

Page 7: ...97 253 29 4 50 22 1 120 1 7 1 4 825 160 Overcurrent protection device Factory charge adequate for 15 feet of line set Adjust per installation instructions UNIT DIMENSIONS IN SOUND RATINGS Model No Dimensions Shipping Weight lbs Sound Ratings dBA A Width B Depth C Height Wire Guard Louvered 4AC13 18P 5 24 25 24 25 25 130 138 76 4AC13 24P 5 24 25 24 25 25 132 140 76 4AC13 30P 5 24 25 24 25 29 142 15...

Page 8: ...tion to compressor in cold weather 42 48 60 93M05 Sound Cover All models 69J03 Lowers compressor sound level Short Cycle Protector All models 47J27 Delays compressor start 5 7 minutes to prevent short cycling Loss of Charge Kit All models 84M23 Protects the compressor if refrigerant charge is too low TXV Kit 18 24 30 36 A4TXV01 TXVs provide superior refrigerant flow control comfort and efficiency ...

Page 9: ... 6 60 26 3 120 1 7 1 4 825 160 Overcurrent protection device Factory charge adequate for 15 feet of line set Adjust per installation instructions UNIT DIMENSIONS IN SOUND RATINGS Model No Dimensions Shipping Weight lbs Sound Ratings dBA A Width B Depth C Height Wire Guard Louvered 4AC13 18P 5 24 25 24 25 24 50 130 138 76 4AC13 24P 5 24 25 24 25 24 50 132 140 76 4AC13 30P 5 24 25 24 25 28 50 142 15...

Page 10: ...tion to compressor in cold weather 42 48 60 93M05 Sound Cover All models 69J03 Lowers compressor sound level Short Cycle Protector All models 47J27 Delays compressor start 5 7 minutes to prevent short cycling Loss of Charge Kit All models 84M23 Protects the compressor if refrigerant charge is too low TXV Kit 18 24 30 36 A4TXV01 TXVs provide superior refrigerant flow control comfort and efficiency ...

Page 11: ... Issue 2135 Page 11 of 38 FAN BLADE SPECS 4AC13 3 thru 11 Fan Blade Dia of Blades Pitch Part 18 18 3 27 98M18 24 18 3 27 98M18 30 18 4 27 98M19 36 18 4 27 98M19 42 22 4 32 30W24 48 22 4 32 30W24 60 22 4 32 30W24 ...

Page 12: ...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 13: ...d in unit base pan Refrigerant Metering Device Indoor Coil For correct metering device refer to chart below Outdoor Model Orifice Size Indoor Expansion Device 4AC13 18P 3 4 5 6A 0 051 A4TXV01 4AC13 18P 7 8 9 10 11A 0 053 A4TXV01 4AC13 24P 0 057 A4TXV01 4AC13 30P 3 5 6 8 9A 0 065 A4TXV01 4AC13 30P 7 10A 0 063 A4TXV01 4AC13 36P 3A 0 073 A4TXV01 4AC13 36P 4 5A 0 070 A4TXV01 4AC13 36P 7 8 9 10A 0 072 ...

Page 14: ...codes for rooftop applications If unit cannot be mounted away from prevailing winds a wind barrier should be constructed Due to variation in installation applications size and locate barrier according to the best judgment of the installer Torque Requirements When servicing or repairing heating ventilating and air conditioning components ensure the fasteners are appropriately tightened Table 3 list...

Page 15: ...ch 2 Connect gauge to the service port 3 When testing is completed replace service port cap Tighten finger tight then an additional 1 6 turn To Open Liquid or Suction Line Service Valve 1 Remove stem cap with an adjustable wrench 2 Use service wrench with a hex head extension to back the stem out counterclockwise as far as it will go Use a 3 16 hex head extension for liquid line service valves and...

Page 16: ...ise at service valve CAUTION Refrigeration Piping Use only refrigerant grade copper tubes Split systems may be installed with up to 50 feet of line set no more than 20 feet vertical without special consideration see long line set guidelines Ensure that vapor and liquid tube diameters are appropriate to capacity of unit Run refrigerant tubes as directly as possible by avoiding unnecessary turns and...

Page 17: ... 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 18: ...iquid line orifice housing SENSING LINE TWO PIECE PATCH PLATE UNCASED COIL ONLY VAPOR LINE DISTRIBUTOR ASSEMBLY DISTRIBUTOR TUBES LIQUID LINE MALE EQUALIZER LINE FITTING EQUALIZER LINE EXPANSION VALVE TEFLON RING STUB END TEFLON RING SENSING BULB LIQUID LINE ORIFICE HOUSING LIQUID LINE ASSEMBLY WITH BRASS NUT Figure 6 Remove Existing Expansion Valve uncased coil shown Flushing Line Sets If the uni...

Page 19: ...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 20: ...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 21: ...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 22: ...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 23: ...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 24: ...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 25: ...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 26: ...508226 01 Issue 2135 Page 26 of 38 HIGH PRESSURE SWITCH S4 LIQUID LINE CRANKCASE THERMOSTAT S40 CRANKCASE HEATER HR1 Figure 9 Typical Factory Wiring Diagram Copeland Compressor ...

Page 27: ...01 Issue 2135 Page 27 of 38 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 28: ... 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 29: ...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 30: ...windy conditions that may cause panels to be blown around and battered WARNING REMOVAL STEP 1 INSERT PANEL UNDER UNIT TOP CAP LIP AND LIFT SLIGHTLY TO CLEAR SIDE LIP OF PANEL FROM BASE STEP 2 PANEL INSTALLATION TO REMOVE PANEL REMOVE MOUNTING SCREWS SECURING PANEL TO THE UNIT SLIGHTLY LIFT PANEL IN ORDER TO CLEAR SIDE LIPS OF PANEL FROM BASE OF UNIT STEP 3 TILT PANEL OUT SLIGHTLY AND PULL DOWNWARD...

Page 31: ...508226 01 Issue 2135 Page 31 of 38 Figure 13 Wiring Diagram Wiring Diagram ...

Page 32: ...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 23 2 Evacuate the system using procedure outlined on Page 23 3 Use nitrogen to break the vacuum and install a...

Page 33: ...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 34: ...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 35: ...508226 01 Issue 2135 Page 35 of 38 Charge Labels Figure 14 4AC13 10 11 ...

Page 36: ...508226 01 Issue 2135 Page 36 of 38 Figure 15 4AC13 7 8 ...

Page 37: ...508226 01 Issue 2135 Page 37 of 38 Figure 16 4AC13 3 4 5 6 ...

Page 38: ...________________________________________________ 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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