19
Wiring Diagram

Diagram 1. Typical Wiring Diagram

HI PRESSURE CONTROL
LO PRESSURE CONTROL
CONDENSER FAN MOTORS
COMPRESSOR CONTACTOR
FACTORY WIRING
USE 60 DEG. C WIRE
USE COPPER CONDUCTORS ONLY
FIELD WIRING
M1
PB1 POWER BLOCK
COMP1
FB1
CCH1
C1A1
FAN CIRCUIT FUSES
COMPRESSOR
CRANKCASE HEATER
COMP. AUX SWITCH
1. TIME DELAY RELAY SET
CUT-IN, 10 PSIG DIFF CUT-OUT.
AT 1 MINUTE (SECOND DASH MARKING).
2. IF ADJUSTABLE, LPS SET TO 10 PSIG
R1 RELAY
YELLOW
15 A
FB1
BLUE
WHITE
2
R1
4
BLACK
M1
1
R1
0
NO
C
C1A1
NC
CCH1

Fused

Disconnect

208-230 V/60 HZ/1 PH
PB1
GR
POWER SUPPLY
RC1 RUN CAPACITOR
SC1 START CAPACITOR
SR1 START RELAY
C1
COMP1
R
C
S
COMP1
C1
SC1
1SR1
5
2RC1
CCH2
NO C2A1
NC
C2A1
CCH2
C
COMP2
S
C
C2
R
SR2
5
1
2RC2
SC2
COMP2
C2
SC2
SR2
RC2 RUN CAPACITOR
START CAPACITOR
START RELAY
NO
C
C3A1
NC
CCH3
C3A1
CCH3
15
2
SR3
S
CR
C3
COMP3
SC3
RC3
RUN CAPACITOR
START CAPACITOR
START RELAY
SC3
SR3
RC3
COMP3
C3
LPC1
TDR1
YELLOW
YELLOW
HPC1
NO C 1
C1
TDR
YELLOW
BLUE
HPC1
LPC1
TDR1
HPC2
YELLOW
LPC2
YELLOW
NO C
TDR2
BLUE
YELLOW
2
C2
TDR
TDR2
HPC2
LPC2
LPC3
C
NO
TDR3
BLUE
YELLOW
3
C3
TDR
HPC3
YELLOW
YELLOW
HPC3
LPC3
TDR3
FB2
15 A
FB2 CONTROL CIRCUIT FUSES