62-12259 2–20
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 and closed) between Compressor Discharge
Temperature (CDT) Sensor reading of 255°F and 275°F (124°C and 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)
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 197.6 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
To Next Page