BILL OF MATERIAL 
 
Model AWR5538EXC 
 
Bill of Material 
 
PERFORMANCE SPECIFICATION: 
 
Application Air conditioning & Heat pump 
 
Refrigerant R – 22 
 
Electrical Rating 220-240 Volts, 50 Hz, Single Phase 
 
Capacity – (Btu / Hr) 
 
(Kcal / Hr) 
 
(Watts) 
 
31500 
 
7938 
 
9232 
 
Input Power (Watts) 3200 
 
Input Current (Amps) 14.2 
 
Efficiency (Btu / W-Hr) 
 
(Kcal / W-Hr) 
 
(Watts / Watts) 
 
9.84 
 
2.48 
 
2.88 
 
Note: Performance Tolerance - ± 5% 
 
RATING CONDITIONS (ASHRAE-T) 
 
Evaporator Temperature 45 ºF 7.2 ºC 
 
Condensing Temperature 130 ºF 54.4 ºC 
 
Return Gas Temperature 95 ºF 35 ºC 
 
Liquid temperature 115 °F 46 °C 
 
Ambient temperature 
 
95 °F 
 
35 °C 
 
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COMPRESSOR SPECIFICATION 
 
Compressor Type Hermetic Reciprocating 
 
Suction Scheme Low side dome 
 
Number of Cylinders Two 
 
Displacement (in 3 / Rev) 
 
(cc / Rev) 
 
(CFH) 
 
(CMH) 
 
3.85 
 
63.0 
 
388 
 
10.98 
 
Oil Charge () 
 
() 
 
(Initial CC) 
 
(Refill CC) 
 
35.5 (Cold) 
 
31.3 (Cold), 33.3 (Hot) 
 
1,050 (Cold) 
 
926 (Cold), 986 (Hot) 
 
Oil Specification Approved Refrigeration Oil 
 
Oil circulation rate (lb / hour) 
 
(Grams / hour) 
 
2.28 
 
1035 
 
Refrigerant charge Max. (lbs) 
 
(KG) 
 
4.85 
 
2.21 
 
Internal Pressure Relief Valve 
 
Operating Differential (PSI) 
 
(KG / CM 2 ) 
 
525 + 25 
 
36.75 + 1.758 
 
Compressor Weight (lbs with oil) 
 
(Kgs with oil) 
 
68.3 
 
31.0 
 
Sound Power Level on kit (dBA) 75 max. 
 
Discharge Pressure Pulse (PSI)(RMS) 1.2 Nominal 
 
Inclination <= 8º 
 
Compressor Finish Baked Enamel (Black) 
 
Max, Vibration Peak to Peak (Mils) 2.5 
 
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MOTOR SPECIFICATION: 
 
Motor Type CSR 
 
Nominal output (HP) 3.36 
 
Nominal Voltage (Volts) 220-240 
 
Voltage Range (Volts) at 35°C 198-264 
 
Frequency / Phase (Hz / ø) 50 / 1 
 
Number of poles Two (2) 
 
     50% 25% Power factor (+/-5%) 
 
0.90 0.88 0.85 
 
Nominal speed (RPM) 2900 
 
Locked rotor current (Amps) 92 
 
Rated Load current (Amps) 14.2 
 
Maximum Continuous current (Amps) 25 
 
Motor Cooling Suction Gas 
 
Maximum winding Temperature ºF/°C 265/130 
 
Insulation Class (°C) Class B (130°C) 
 
Motor cu wire enameled class POLYSTER IMIDE as Base Coat 180°C 
 
POLYAMIDE IMIDE as Top Coat 220°C 
 
Winding Resistance 
 
Main Winding (Ohm) 
 
Start Winding (Ohm) 
 
At 77 °F (25 °C) 
 
0.74 
 
2.65 
 
Motor Protector Part Number 
 
Motor Protector Type 
 
Opening Temperature (°C) 
 
Closing Temperature (°C) 
 
Ultimate Trip Current at 71 °C Min (EPA) 
 
First Cycle Trip Current (EPA 25°C) (A) 
 
3-10 Seconds 
 
3HM 612-312 
 
Internal 
 
105/115 
 
60/78 
 
27.6 
 
62 
 
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APPLICATION SPECIFICATION 
 
Discharge Pressure Range (PSI) 
 
(KG/CM 2 ) 
 
143.6 – 464.0 
 
10.1 - 32.63 
 
Suction Pressure Range (PSI) 
 
(KG/CM 2 ) 
 
13.2 – 92.6 
 
0.9 - 6.5 
 
Discharge Pressure Range (PSI) 
 
Block Fan Test (KG/CM 2 ) 
 
580 at 230 Volts 
 
40.78 
 
Compression Ratio (Max) 7.3 
 
Discharge Temperature (ºF) 
 
(ºC) 
 
290 
 
143 
 
Bottom Shell Temperature (ºF) 
 
(ºC) 
 
Outdoor / Indoor Conditions (ºF) 
 
(ºC) 
 
>= E T + 35 
 
>= E T + 19.4 
 
67.0 DBT / 57.0 WBT 
 
19.4 DBT / 13.9 WBT 
 
Superheat (ºF) 
 
(ºC) 
 
19.4 
 
10.8 
 
Maximum Ambient (ºC) 
 
At Start Voltage of 198 V 
 
54 
 
PROCESS SPECIFICATION 
 
Moisture Limit (mg) 150 (After Dehydration) 
 
Leak Test Pressure (PSI) 
 
(KG/CM 2 ) 
 
150 
 
10.6 
 
Shell Integrity Test (PSI) 
 
(KG/CM 2 ) 
 
200 
 
14.1 
 
UL Shell Integrity (PSI) 
 
(KG/CM 2 ) 
 
1000 
 
70.4 
 
High Potential Test (Volts) 
 
Current Leakage limit (mA) 
 
1500 for One (1) Second 
 
1.3 
 
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: 08-Aug-09 
 
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APPLICABLE SAFETY STANDARDS 
 
UL File Number SA707 – VOL 18 
 
UL Class Number SLIS2, SLI S8 
 
VDE File Number 2311300-2560-0002 / 79085 / FG23 / BHN 
 
VDE License Number 40012436 
 
COMPRESSOR ACCESSORIES 
 
. 
 
Mounting Grommet AWX – 2025 – 05 1 / Leg 
 
_/ 
 
Mounting Sleeve AWX – 2026 – 04 1 / Leg 
 
_/ 
 
Mounting Grommet AWX – 2121 – 02 1 / Leg 
 
Mounting Sleeve AWX – 2108 – 02 1 / Leg 
 
Mounting Grommet AWX - 1963 – 04 1 / Leg 
 
Mounting Sleeve AWX – 2144 – 00 1 / Leg 
 
Terminal Cover AWX – 2350 – 00 1 _/ 
 
Terminal Cover Gasket AWX – 3081 – 00 1 
 
_/ 
 
Spring Clip (Bale Strap) 70661 – 03 1 
 
_/ 
 
Moisture Guard AWX-2107-00 1 
 
_/ 
 
COMPRESSOR ACCESSORIES 
 
Parts Name Part Code / Specifications Qty. 
 
Run Capacitor (MFD, Volts) 50 MFD, 370 VAC 1 _/ 
 
PTC Starting Device (Ohms) (Optional) 42 ± 30% @25°C (AASR-02) 1 
 
Start Capacitor (MFD, Volts) (Optional) 145-175 MFD, 330VAC 1 
 
Potential Relay (Optional) 
 
Pick up Volts (Hot) 
 
Drop-Out Volts (Cold) 
 
RVA4G3D (ELECTRICA) 
 
190-200 
 
40-105 
 
1 
 
1 
 
Crank case Heater (TPC / TI) (Optional) 
 
Voltage Limit (Volts) 
 
Power Output (Watts) 
 
90706 / 8HT5-504 
 
600 (MAX) 
 
25-35 
 
1 
 
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: 08-Aug-09 
 
Page No : 7 of 7 
 
APPLICABLE DRAWINGS 
 
Cooling Capacity 
 
_/ 
 
Power 
 
_/ 
 
Mass flow 
 
_/ 
 
Performance Curves 
 
Current _/ 
 
IOLP curves _/ 
 
4 LEG –STD AWX-4171-00 
 
3 LEG –STD AWX-4168-00 
 
3 LEG –STD (WH) AWX-4169-00 
 
Compressor Sales Drawing 
 
Wiring diagram 
 
PSC / PTCS-CR / CSR / 3-PH 
 
AWX-3383-00 C 
 
Serial Label 52597E _/ 
 
Mounting Grommet AWX – 2025 – 05 
 
Mounting Sleeve AWX – 2026 – 04 
 
Mounting Grommet AWX – 2121 – 02 
 
Mounting Sleeve AWX – 2108 – 02 
 
Mounting Grommet AWX – 1963 – 04 
 
Mounting Sleeve AWX – 2144 – 00 
 
Protective Cover AWX – 2350 – 00 
 
_/ 
 
Gasket for Protective Cover AWX – 3081 – 00 
 
_/ 
 
Bale Strap 70661 – 03 
 
_/ 
 
- Hyderabad 
 
COOLING CAPACITY CURVE FOR AWR5538EXC COMPRESSOR 
 
9000 
 
17000 
 
25000 
 
33000 
 
41000 
 
25 30 35 40 45 50 55 
 

 
COOLING CAPACITY Btu/hr 
 
110 
 
120 
 
130 
 
140 
 
150 
 
. 
 
°F 
 
Application : HBP Refrigerent : R-22 Voltage : 220/240V 
 
Frequency : 50 Hz Ambient Temp : 95°F Liquid Sub Cooled : 115°F 
 
 : 425 CFM Return Gas Temp : 95°F 
 
- Hyderabad 
 
POWER CURVES FOR AWR5538EXC COMPRESSOR 
 
2000 
 
2200 
 
2400 
 
2600 
 
2800 
 
3000 
 
3200 
 
3400 
 
3600 
 
3800 
 
4000 
 
4200 
 
25 30 35 40 45 50 55 
 

 
POWER INPUT IN WATTS 
 
 
 
. °F 
 
Application : HBP Refrigerent : R-22 Voltage : 220/240V 
 
Frequency : 50 Hz Ambient Temp : 95°F Liquid Sub Cooled : 115°F 
 
 : 425 CFM Return Gas Temp : 95°F 
 
- Hyderabad 
 
MASS FLOW CURVE FOR AWR5538EXC COMPRESSOR