
13
ELECTRICAL CONNECTIONS AND WIRING
Suggested wiring diagram with safety
lock-out relay
Control device
.............................................................................................
TH
Optional short cycle timer (3 min) 5 pts
........
180 s
Control relay
...................................................................................................
KA
Compressor contactor
....................................................................
KM
Safety lock out relay
.............................................................................
KS
High pressure switch
.........................................................................
HP
Low pressure switch
................................................................................
LP
Fused disconnect
....................................................................................
Q1
Fuses
............................................................................................................................
F1
Compressor motor
...................................................................................
M
Three phase
Single phase
PSC wiring
CSR wiring
F1
Control circuit
F1
KA
KA
KA
KS
KS
KS
KA
KM
KM
TH
180 s
HP
LP
L1 L3 L2
Q1
T1
T2
T3
M
230 V
AμF
Run capacitor
Thermostat
C
S
R
IOL
230
V
T
hermostat
B
µF
Start
capacitor
Start
Re
l
a
y
5
2
1
15 kΩ -1 w
C
S
R
IOL
AµF
Run
capacitor