16 C6.2.24/1014-0215/E
Three-phase compressors (TF*) with internal motor protection:
Power circuit Control circuit
Motor terminal connections
Three-phase compressors are connected to the T1,
T2 and T3 connections
Legend
B1 ....Room thermostat K1.... Contactor
B3 ....Discharge gas thermostat R2.... Crankcase heater
F1 ....Fuse S1.... Auxiliary switch
F3 ....HP switch Y5.... Solenoid valve for refrigerant injection
F4 ....LP switch
Figure 18
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