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Service Manual
2003
Room Air Conditioners
RACServMn (7-03)
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Table of Contents Typical Unit Components Unit Identification ............................................... 3 Fresh Air Compressor Unit Specifications ............................................. 4 Capillary Tube Liquid Filter Driers Unit Performance ......................................... 5-11 Reversing Valve Condenser Coil Refrigeration Sequence of Operation .............. 12 (some models) Discharge Air Electrical Rating Tables ................................... 13 Front Cover Compressor
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UNIT IDENTIFICA UNIT IDENTIFICA UNIT IDENTIFICATION TION TION UNIT IDENTIFICA UNIT IDENTIFICATION TION Model Number Code SS08J 1 0 R 1st Digit – Function 8th Digit – Engineering S = Straight Cool, Value Series Major change C = Straight Cool, Budget Series 7th Digit – Options Y = Heat Pump 0 = Straight Cool & Heat Pump Models E = Electric Heat 1 = 1 KW Heat Strip, Normal K = Straight Cool, Challenger 3 = 3 KW Heat Strip, Normal Series 4 = 4 KW Heat Strip, Normal W = Thru-the Wall, 5 = 5 KW H
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EQ PERFORMANCE DATA PERFORMANCE EVAPORATOR AIR OPERATING ELECTRICAL R-22 BREAKER DATA* TEMP. DEG. F. PRESSURES RATINGS REFRIG. FUSE Cooling Discharge Temp. Suction Discharge Amps Locked Charge in 60 Hertz Air Drop F. Rotar Amp OZ. Amps EQ08J11-A 50.5 29.5 72 262 7.5 39.2 20 15 EQ08J11-B 50.5 29.5 74 259 7.5 39.2 20 15 XQ PERFORMANCE DATA DATA* EVAPORATOR AIR OPERATING ELECTRICAL R-22 BREAKER Cooling TEMP. DEG. F. PRESSURES RATINGS REFRIG. FUSE Discharge Temp. Suction Discharge Amps Locked Charge
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RS-RM PERFORMANCE DATA PERFORMANCE EVAPORATOR AIR OPERATING ELECTRICAL R-22 BREAKER DATA* TEMP. DEG. F. PRESSURES RATINGS REFRIG. FUSE Cooling Discharge Temp. Suction Discharge Amps Locked Charge in 60 Hertz Air Drop F. Rotar Amp OZ. Amps RS10J10-C 61 19 82 248 7.5 44 26 15 RS12J10A-B 57 23 83 271 9.8 54 30 15 RS15J10-A 57 23 77 279 11.1 42 29.5 15 RS16J30A-A 56.5 24 77 296 7.2 42 30 15 RS18J30-A 56 24 72 293 8.7 42 48 15 RM24J30-A 57 23.65 68 301 12.2 44 54 15 YS-YM-YL PERFORMANCE DATA PERFORMA
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PERFORMANCE EVAPORATOR AIR OPERATING ELECTRICAL R-22 BREAKER DATA* TEMP. DEG. F. PRESSURES RATINGS REFRIG. FUSE Cooling Discharge Temp. Suction Discharge Amps Locked Charge in 60 Hertz Air Drop F. Rotar Amp OZ. Amps ES12J33B-A 58 22 82 265 5.76.6 26.3 28 20 ES16J33A-A 53 27 77 269 7.5/8.0 42.'0 30 20 EM18J34B-A 55 25 71 267 8.6/9.2 42.'0 40.5 30 EL25J35-A 55 25 75 284 11.5/12.6 61.'0 48.5 30 EL35J35-A 52 28 72 317 18/20 94.'0 60 30 EL35J35-B 52 28 72 317 18/20 94.'0 60 30 PERFORMANCE Heat Rise D
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SS PERFORMANCE DATA PERFORMANCE EVAPORATOR AIR OPERATING ELECTRICAL R-22 BREAKER DATA* TEMP. DEG. F. PRESSURES RATINGS REFRIG. FUSE Cooling Discharge Temp. Suction Discharge Amps Locked Charge in 60 Hertz Air Drop F. Rotar Amp OZ. Amps SS08J10R-B 61.4 18.6 87 251 6.7 29 39.'0 15 SS08J10R-A 61.4 18.6 84 248 6.7 36.2 24.'0 15 SS09J10C-A 57.8 22.2 82 254 7.4 44 22.6 15 SS10J10AR-A 57.22 22.78 84 245 7.5 42 26.'0 15 SS12J10AR-B 57.2 22.8 83 271 9.8 44 30.'0 15 SS14J10R-A 57.22 22.9 77 279 12 61 29.5
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WS PERFORMANCE DATA PERFORMANCE EVAPORATOR AIR OPERATING ELECTRICAL R-22 BREAKER DATA* TEMP. DEG. F. PRESSURES RATINGS REFRIG. FUSE Cooling Discharge Temp. Suction Discharge Amps Locked Charge in 60 Hertz Air Drop F. Rotar Amp OZ. Amps WS07A10E-B 59.5 19.5 84 300 7.'0 32 19 15 WS07A10E-C 59.5 19.5 85 299 7.'0 32 28 15 WS07A10E-D 59.5 19.5 85 299 7.'0 32 20 15 WS10A10-A 58 22 83 307 9.8 48 25 15 WS10A10-B 58 22 83 307 9.8 48 26 15 WS12A10E-B 55 25 81 290 11.9 54 28.5 15 WS13A10-A 55 25 79 281 12
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PERFORMANCE DATA* SC06H10E SPECIFICATIONS SC06H10E DISCHARGE 56.1 BTUH (Cooling) 5950 EVAPORATOR AIR AIR E.E.R. (Cooling) 8.0 TEMP. °F TEMP 23.9 Volts 115 DROP °F Amperes (Cooling) 6.8 OPERATING SUCTION 72 Total Watts (Cooling) 760 PRESSURES DISCHARGE 293 Hertz 60 AMPS 6.8 Fuse/Breaker Size 15 ELECTRICAL Fan RPM 1595 RATINGS LOCKED 35.0 Evaporator Air CFM 125 ROTOR AMPS Dehumidification Pts/Hr 2.0 R-22 CHARGE IN 14 Width 1411/16" REFRIG. OUNCES Height 1013/16" COMP. CHARGE IN 9.8 Depth 27" OIL F
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PERFORMANCE DATA *WY09A33F-A *WY12A33F-A (Heating) BTUH @70°F Inside 62°F Outside 9700 12400 @70°F Inside 57°F Outside 9300 12000 @70°F Inside 52°F Outside 8800 11400 ** @70°F Inside 47°F Outside 8200/8100 10800/10400 @70°F Inside 42°F Outside 7600 10000 @70°F Inside 37°F Outside 6800 9000 @70°F Inside 35°F Outside 11000/9100 11000/9100 Evaporator Air Temperature Rise @70°F Inside 62°F Outside 32.00 37.60 @70°F Inside 57°F Outside 30.75 36.40 @70°F Inside 52°F Outside 29.10 34.50 ** @70°F Inside
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Refrigeration System Refrigeration System Refrigeration System Refrigeration System Refrigeration System Sequence of Operation Sequence of Operation Sequence of Operation Sequence of Operation Sequence of Operation A good understanding of the basic operation of the refrigeration In the case of the capillary tube this is accomplished (by design) system is essential for the service technician. Without this through size (and length) of device, and the pressure difference understanding, accurate tro
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Electrical Rating T Electrical Rating T Electrical Rating T Electrical Rating T Electrical Rating Tables ables ables ables ables Circuit Rating Plug Face Appearance Model Breaker or T-D Fuse (NEMA#) (Facing Blades) ALL SV and XQ MODELS, KS10J10, KS12J
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COMPONENTS: Figure 2 OPERATION & TESTING Typical Ground Test WARNING DISCONNECT ELECTRICAL POWER TO UNIT BEFORE SERVICING OR TESTING COMPRESSORS Compressors are single phase, 115 or 230/208 volt, depending on the model unit. All compressor motors are permanent split capacitor type using only a running capacitor CHECKING COMPRESSOR EFFICIENCY across the start and run terminal. The reason for compressor inefficiency is normally due to broken or damaged suction and/or discharge valves, reducing the
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Heat generated within the compressor shell is usually due to: FAN MOTOR - TEST 1. Determine that capacitor is serviceable. 1. High amperage 2. Disconnect fan motor wires from fan speed switch or 2. Low refrigerant charge system switch. 3. Frequent recycling 3. Apply "live" test cord probes on black wire and common 4. Dirty condenser terminal of capacitor. Motor should run at high speed. TERMINAL OVERLOAD - TEST 4. Apply "live" test cord probes on red wire and common (Compressor - External Type)
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SYSTEM CONTROL SWITCH - TEST (See Figure 7) Disconnect the leads from the control switch. There must be Rocker Switch continuity as follows: Figure 8 1. "Off" Position - no continuity between terminals. 2. "Lo Cool" Position - between terminals "L1" and "C", "Lo" and MS". 3. "Med Cool" Position - between terminals "L1" and "C", "M" and "MS". 4. "Hi Cool" Position - between terminals L1" and "C", "H" and "MS". SYSTEM CONTROL PANEL (XQ MODELS ONLY) 5. "Fan Only" Position - between terminals "L1"
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SYSTEM CONTROL PANEL SYSTEM CONTROL PANEL EQ Model Only (See Figure 12 ) ("KQ" Models Only- See Figure 10) The EQ Model unit uses a six-position control switch to regulate The KQ Model unit uses a five position control switch to regu- the operation of the unit. Function of each position (clockwise late the operation of the unit. Function of each position (clock- rotation) is as follows: wise rotation) is as follows: 1. “Off” Turns everything off. Figure 10 2. “Fan Only” To circulate filtered r
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4. "Lo Heat" Position - between terminals "C" and "2", and L1 "C" and "4". Figure 13 System Control Switch 5. "Hi Heat" Position - between terminals "C" and "1", and B1 (EQ Models) "C" and "4". L2 MS H C ROTARY (SYSTEM) SWITCH: "SC" Model (See Figure 16) 2 A rotary four position switch is used to turn on the unit and LO select the operation desired. Switch selection is as follows: SYSTEM CONTROL PANEL ("YQ" Model Only) (See Figure 14) Figure 15 The YQ Model unit uses a six position control swi
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Figure 16 Figure 19 System Control Switch System Control Switch (SC Model Only) (WS Models) SYSTEM CONTROL SWITCH "WE" & "WY" Models (See Figure 20) 1. Disconnect leads from control switch. An eight position switch is used to regulate the operation of the fan motor, compressor and electric heater. The unit can 2. Check continuity between all switch positions shown in be operated in cooling or heating mode with the compressor Figure 17. or electric heater on and the fan motor operating on low,
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6. "Med Heat" Position-between terminals "C" and "1", SYSTEM CONTROL SWITCH - TEST (See Figure 23) "C2" and "4", "M" and "M/S", "AR" and "5". Disconnect leads from control switch. There must be continuity as follows: 7. "Lo Cool" Position-between terminals "C" and "1", "C2" 1. "Off" Position - no continuity between terminals. and "4", "LO" and "M/S", "AR" and "5". 2. "Lo Cool" Position - between terminals "L1" and "C," "LO" and "MS." 8. "Fan Only" Position-between terminals "L1" and "M". 3. "Me
