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 TM 55-1925-273-10-1
0046 00
Table 31. Air Conditioning and Refrigeration Condensing Units (refer to figure 31)
Key
Control/Indicator
Function
1
ON-OFF Circuit Breaker
This controls power to the condensing unit.
2
SUCTION Gas Thermometer
This provides temperature of the refrigerant in the suction line.
3
Oil Level Sight Glass
This indicates the oil level in the compressor.
4
Liquid Thermometer
This indicates the temperature of the refrigerant being pumped to the coil.
5
Moisture Indicator
This indicates the moisture level in the pressure line.
6
LIQUID LEVEL Indicator
This indicates the level of liquid refrigerant in the receiver.
7
Water Outlet Connection
This connects the cooling water outlet to the general service system.
8
OIL Pressure Gauge
This indicates compressor oil pressure.
9
SUCTION Pressure Gauge
This indicates the compressor suction pressure.
10
DISCHARGE Pressure Gauge
This indicates the compressor discharge pressure.
11
RESET Button
This resets the compressor electrical circuit.
0046 00-41
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