2–15 62-11640
2.9 REFRIGERATION SYSTEM DATA
2.10 ELECTRICAL DATA
Unit Specification
Defrost Air Switch (DAS) Initiates Defrost: 1.40 +/− .07 inch (35 +/− 1.8 mm)
Defrost Timer 1.5h, 3h, 6h, or 12 hours
Evaporator High Temperature
Switch
Opens, on a temperature rise, at 130 +/− 5°F (55 +/− 2.8°C) Closes, on a
temperature fall, at 100 +/− 7°F (37.8 +/− 3.9°C)
Liquid Injection Valve (LIV) Energized (opened) at Compressor Discharge Temperature (CDT) Sensor
readings above 275°F (135°C) May be pulsing (opened & closed) between
Compressor Discharge Temperature (CDT) Sensor reading of 255°F &
275°F (124°C & 135°C) De−energized (closed) at (CDT reading below
124°C (255°F)
Fusible Plug Melting Point 430°F (221°C)
High Pressure Switch (HPS) Opens, on pressure rise, at: 495 +/− 10 psig (34.1 +/− 3 bar) Closes, on
pressure fall, at: 380 +/− 10 psig (26.2 +/− 3 bar)
Unit Dry Weight, Less Battery 1,810 pounds (820 kg) including standby
Battery 50 pounds (23 KG.)
Refrigerant Charge Refer to Table 2–1
Unit Specification Detail
Compressor Motor
Rated Load Amps 14.2 amps @ 460 VAC
Locked Rotor Amps 99.0 amps @ 460 VAC
Winding Resistance Approximately 1.63 ohms, phase to phase
Condenser Fan Motors
(Each)
Full Load Amps (FLA) 1.9 amps @ 460 vac, 60 hz
Horsepower 1.1 hp (820 watts) at 60 hz
Speed 1700 rpm @ 60 Hz
Bearing lubrication Factory lubricated, additional grease not required
Rotation Clockwise when viewed from stator end
Resistance 20 to 22 ohms
Heaters
Number of heaters Heater 1: Three elements (1 assembly)
Heater 2: Four elements (1 assembly)
Resistance 97.6 ohms +/- 10 ohms per phase
Current, Low Speed 3.5 amps nominal
Current, High Speed 4.7 amps nominal
Evaporator Fan Motor
Full Load Amps (FLA) 1.9 amps @ 460 vac, 60 hz
Horsepower 1.35 hp (1007 watts) @ 60hz
Speed 3500 rpm @ 60 hz
Voltage and Frequency 310 to 660 VAC 45 to 65 Hz
Bearing Lubrication Factory lubricated, additional grease not required
Rotation Clockwise when viewed from shaft end
Resistance 7 to 8 ohms