Operating instructions

TO 11574A-OI
1-5
Table 1-1. Table of Leading Particulars – Continued.
Refrigerant Charge:
Charge Requirements ............................................................................................... R-134a
Unit Configuration..................................................................................... 3 Row Condenser
Receiver ..................................................................................................... 10.8 lbs (4.9 kg)
Fusible Plug:
Melting Point..................................................................................................... 210 F = 99 C
Torque................................................................................... 45 to 50 ft-lbs (6.2 to 6.9 mkg)
Sight Glass/Moisture Indicator:
Torque................................................................................... 65 to 70 ft-lbs (8.9 to 9.7 mkg)
Water Pressure Switch:
Cut-In................................................................................................................... 7 +/- 3 psig
3 row condenser (0.5 +/− 0.2 kg/cm
2
)
Cutout.................................................................................. 22 +/− 5 psig (6 +/− 0.4 kg/cm
2
)
Discharge Pressure Regulating Valve:
Factory Setting ............................................................ 72 +/− 5.5 psig (32.7 +/− 2.5 kg/cm
2
)
Circuit Breaker:
CB-1 Trips at ........................................................................................................... 29 amps
CB-2 (50 Amps) Trips at....................................................................................... 62.5 amps
CB-3 (70 Amps) Trips at....................................................................................... 87.5 amps
Compressor Motor:
Full Load Amps (FLA) ...................................................................... 17.6 amps @ 460 VAC
Condenser Fan Motor:
380 VAC, Single Phase, 50 Hz:
Full Load Amps ................................................................................................. 1.3 amps
Horsepower.......................................................................................................... 0.43 hp
Rotations Per Minute.........................................................................................1425 rpm
Voltage and Frequency ..............................................................360-460 VAC +/− 2.5 hz
460 VAC, Single Phase, 60 Hz:
Full Load Amps ................................................................................................. 1.6 amps
Horsepower.......................................................................................................... 0.75 hp
Rotations Per Minute.........................................................................................1725 rpm
Voltage and Frequency ..............................................................400-500 VAC +/− 2.5 hz
Bearing Lubrication .................................Factory lubricated, additional grease not required
Rotation......................................................Counter-clockwise when viewed from shaft end
Evaporator Coil Heaters:
Number of Heaters.............................................................................................................. 6
Rating.......................................................................750 watts + 5/− 10% each @ 230 VAC
Resistance (cold)...............................................................66.8 to 77.2 ohms @ 68 F (20 C)
Type ...........................................................................................................................Sheath