Specifications
44
V-520 MAX - Model 30 8.25 lb (3.74 kg) R-404A
V-520 MAX - Model 50 8.25 lb (3.74 kg) R-404A
V-520 SPECTRUM - Model 10 9.75 lb (4.42 kg) R-404A
V-520 SPECTRUM - Model 20 9.75 lb (4.42 kg) R-404A
Defrost Termination Switch: Opens 48.0 ± 5.4 F (8.9 ± 3.0 C)
Closes 36.0 ± 5.4 F (2.2 ± 3.0 C)
Liquid Injection Switch (LIS): Opens 200 ± 5 F (93 ± 3 C)
Closes 230 ± 5 F (110 ± 3 C)
Low Pressure Cutout: Opens 5 to 11 in. Hg vacuum(-17 to -34 kPa)
Closes 4 to 7 psig (28 to 48 kPa)
Compressor Pressure Regulator (CPR) Valve Setting - Model 30 and 50
Only
50.0 psig (345 kPa)
Suction Pressure Regulator (SPR) Valve Setting - Model 20 and 50 Only 39.0 psig (269 kPa)
Refrigerant System
Compressors
Main Compressor 10 cu. in. (163 cc), Engine Driven, Swash Plate, 6
Cylinder
Electric Standby Compressor - Model 20 and 50 Only D211Y, Reciprocating, 3 Cylinder,
Specifications
44
V-520 MAX - Model 30 8.25 lb (3.74 kg) R-404A
V-520 MAX - Model 50 8.25 lb (3.74 kg) R-404A
V-520 SPECTRUM - Model 10 9.75 lb (4.42 kg) R-404A
V-520 SPECTRUM - Model 20 9.75 lb (4.42 kg) R-404A
Defrost Termination Switch: Opens 48.0 ± 5.4 F (8.9 ± 3.0 C)
Closes 36.0 ± 5.4 F (2.2 ± 3.0 C)
Liquid Injection Switch (LIS): Opens 200 ± 5 F (93 ± 3 C)
Closes 230 ± 5 F (110 ± 3 C)
Low Pressure Cutout: Opens 5 to 11 in. Hg vacuum(-17 to -34 kPa)
Closes 4 to 7 psig (28 to 48 kPa)
Compressor Pressure Regulator (CPR) Valve Setting - Model 30 and 50
Only
50.0 psig (345 kPa)
Suction Pressure Regulator (SPR) Valve Setting - Model 20 and 50 Only 39.0 psig (269 kPa)
Refrigerant System
Compressors
Main Compressor 10 cu. in. (163 cc), Engine Driven, Swash Plate, 6
Cylinder
Electric Standby Compressor - Model 20 and 50 Only D211Y, Reciprocating, 3 Cylinder,