Carrier 53KHET 12 - Cooling Test Running Steps; Cooling Test Run Procedure

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TEST RUNNING (Cont.)
20.3 STEPS OF COOLING TEST RUNNING
(1) Move circuit breaker to ON position.
(2) Operate the system for cooling at high fan speed by using wireless remote control
(3) After system operation becomes stabilized:
- Measure low pressure to check correct refrigerant charge. (See figure & table)
- Measure total Amps consumed by the system.
System Cooling Test Running
SYSTEM MODEL 53KHET12-708F 53KHET18-708F 53KHET24-708F
AMBIENT TEMP ºC 35 46 52 35 46 52 35 46 52
LOW PRESSURE PSI
75 78 79.5 63 70 74 64 68 70
TOTAL AMPS 5.7 6.6 7.1 8.9 10.8 11.8 11.9 14.5 15.9
SYSTEM MODEL 53QHET12-708F 53QHET18-708F 53QHET24-708F
AMBIENT TEMP ºC 35 46 52 35 46 52 35 46 52
LOW PRESSURE PSI
71 75 77 64 70 73 65 70 73
TOTAL AMPS 5.6 6.6 7.1 9.4 10.8 11.6 11.6 14.5 16.1
NOTE
Readings at 220 volt and 27 ºC return air to indoor unit and high speed of indoor unit motor.
(1)
Outdoor Unit 38KHET12-708
Outdoor Unit 38QHET12-708
Outdoor Unit 38KHET18-708
Outdoor Unit
38
Q
HET
18
-
708
Outdoor Unit 38KHET24-708
Outdoor Unit 38QHET24-708
Details
(
1
)
Low Pressure Measurin
g
.
(1) Low Pressure Measuring.
(1)
Details