Refrigeration System
All refrigeration service requirements, major and minor, should be handled by a Thermo King dealer.
Refrigeration System C-Series
| Refrigerant Charge: |
C-150 C-150 10 C-150 10 MAX C-150 30 MAX C-250 C-250 10 C-250 10 MAX C-250 30 MAX C-350 C-350 10 C-350 10 MAX C-350 30 MAX C-450 C-450 10 C-450 10 MAX C-450 30 MAX C-550 C-550 10 C-550 10 MAX C-550 30 MAX C-650 C-650 10 C-650 10 MAX C-650 30 MAX C-750 10 MAX C-750 30 MAX |
1.54 lb (0.70 kg) R-134a 1.54 lb (0.70 kg) R-134a 1.54 lb (0.70 kg) R-404A 1.54 lb (0.70 kg) R-404A 2.09 lb (0.95 kg) R-134a 2.09 lb (0.95 kg) R-134a 2.09 lb (0.95 kg) R-404A 2.09 lb (0.95 kg) R-404A 2.64 lb (1.2 kg) R-134a 2.64 lb (1.2 kg) R-134a 2.64 lb (1.2 kg) R-404A 2.64 lb (1.2 kg) R-404A 2.64 lb (1.2 kg) R-134a 2.64 lb (1.2 kg) R-134a 2.64 lb (1.2 kg) R-404A 2.64 lb (1.2 kg) R-404A 2.86 lb (1.3 kg) R-134a 2.86 lb (1.3 kg) R-134a 3.52 lb (1.6 kg) R-452A 3.52 lb (1.6 kg) R-452A 3.52 lb (1.6 kg) R-134a 3.52 lb (1.6 kg) R-134a 3.75 lb (1.7 kg) R-452A 3.75 lb (1.7 kg) R-452A 4.20 lb (1.9 kg) R-452A 4.20 lb (1.9 kg) R-452A |
| Defrost Method (10/ MAX 10/ MAX 30 versions) | Hot Gas | |
| Defrost thermostat (Klixon) (10/ MAX 30 versions): |
Opens Closes |
48.0 ± 37.4 F (8.9 ± 3.0 C) 36.0 ± 37.4 F (2.2 ± 3.0 C) |
| Liquid injection switch (R-404A/ R452A): |
Opens Closes |
48.0 ± 37.4 F (93 ± 3.0 C) 36.0 ± 37.4 F (110 ± 3.0 C) |
| High Pressure Cutout Switch (HPCO), R-134a |
Opens Closes |
300 ± 10 psi (2,068 ± 70 kPa) 200 ± 10 psi (1,379 ± 70 kPa) |
| High Pressure Cutout Switch (HPCO), R-404A |
Opens Closes |
450 ±10 psi (3,100 ± 70 kPa) 375 ±10 psi (2,585 ± 70 kPa) |
| CSPS (Condenser Pressure Control Switch) |
Opens Closes |
300+20 psi/-0 psi (2,068+138 kPa/-0 kPa) 200 ± 20 psi (1,379 ± 138 kPa) |
| Low Pressure Cutout Switch (LPCO) |
Opens Closes |
5 to 11 inch vacuum 4 to 7 psi (27.6 to 48.3 kPa) |
| Suction Pressure Regulator (SPR) Valve Setting - Model MAX 10 & 30 Versions |
29 psi (199.95 kPa) |