Application guidelines
18
FRCC.PC.004.A9.22
Electrical connections and wiring
Suggested wiring diagrams
Single phase - PSC wiring
with trickle circuit
Single phase - CSR wiring
with trickle circuit
IOL
Motor protector
A+C
Run capacitors
B
Start capacitor
C Common
S
Start winding (auxiliary)
R
Run winding (main)
Capacitors A and C can be replaced by a
single capacitor of size A + C
B capacitor delivered in two parts for
MT(Z)56 & 64-1
Single phase - CSR wiring
without trickle circuit
IOL
Motor protector
A & C
Run capacitors
B
Start capacitor
C Common
S
Start winding (auxiliary)
R
Run winding (main)
IOL
Motor protector
A & C
Run capacitors
C Common
S
Start winding (auxiliary)
R
Run winding (main)
230 V
220 kΩ - 1 W
A µF
C
IOL
S
R
C µF
Thermostat
230 V
220 kΩ - 1 W
15 kΩ - 1 W
A µF
C
IOL
S
2
1
5
R
C µF
B µF
Thermostat
Start relay
230 V
Thermostat
BµF
Start capacitor
Start Relay
5
2
1
15 kΩ -1 w
C
S
R
IOL
AµF
Run capacitor
CµF
Run capacitor