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4
Electrical connection
4.1
General recommendations
The compressor terminal box has a wiring diagram on the inside of its cover. Before connecting
the compressor, ensure the supply voltage, the phases and the frequency match the nameplate
data.
4.2
Electrical installation
Single-phase (PF*) compressors:
Power circuit
Motor terminal connections
Single-phase compressors are connected to the
Common (C), Start (S) and Run (R) connections
Legend
B1 ....... Room thermostat
B3 ....... Discharge gas thermostat
C2 ....... Run capacitor
F1 ....... Fuse
F3 ....... HP switch
F4 ....... LP switch
Figure 14
14
Control circuit
K1 ........ Contactor
R2 ........ Crankcase heater
S1 ........ Auxiliary switch
C6.2.44/0219/E
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