52
Model R280
Compressor Identification
•
Model R280, R404A Compressor, Domestic
294339 - 120V, 60HZ, 1/2HR
•
Model R280, R290 Compressor, Domestic
089286-12 - 120V, 60HZ
•
Model R280, R404A, Compressor, International
294723 - 240V, 50HZ, 1/2HR
•
Model R280, R290, Compressor, International
295258 - 240V, 50HZ, 1/2HR
Refrigeration Specifications
Refrigerant:
•
Model R280, R404A (425 g) (15.0 oz.)
•
Model R280, R290 (146 g) (5.15 oz.)
Suction Pressure:
•
Model R280, 8 psi to 10 psi (55 kPa to 68 kPa)
at 0°F to 3°F (-18°C to -16°C)
•
Model R280, 4.8 psi to 5.8 psi (33 kPa to 40
kPa) at 0°F to 3°F (-18°C to -16°C)
Operating Temperature:
•
-2°F to 10°F (-19°C to -12°C)
Factory Temperature Set Point
•
0°F (-18°C)
Differential Set Point
:
•
5°F (3°C)
High-Pressure Switch:
•
Trips 425 psi (2,890 kPa)
•
Resets 325 psi (2,210 kPa)
Compressor Start Component Wiring
Figure-33
Condenser Fan
Start Relay
Start Capacitor
R#7
Overload
R#8