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WIRING DIAGRAMS
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
27
WARNING
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
GPH1324, 30, 42H41AB / GPH1336H41AC
GPH1348H41BB
WH
SEE NOTE 4
FC
SEE
NOTE 2
EM
M1
COM
TR
24V
208-240
NC
EBTDR
N
O
3
CONTROL
BOX
240
RD
PU
208-240/1/60
SUPPLY VOLTAGE
C
COMP
C
S.A.
S
T1
R
FC
L1
BR
C
SEE NOTE 5
H
F
RCCF
CM
HVDR
T2
CH
C
BK
BK
L2
BK
RD
PU
RD
BK
RD
RD
BK
BK
K1
K1
M1
PU
SPEED
C
BL
XFMR-R
R
G
EBTDR
GR
COM
BL
PU
NC
RD
NO
RD
2
24V
BL
208C
BK
1
PU
COMP
CM
BR
BR
PU
4
1
PLF
PU
BK
YL
S
BK
RD
BK
5
6
2
3
CR
RD
OR
BL
BR
WH
GR
YL
R
O
C
W2
W1
G
Y
A
T
O
T
S
M
R
E
H
T
T2
T1
RD
SEE NOTE 4
PU
BL
L1
GND
C
L2
BK
6
0
/
/
1
0
4
2
-
8
0
2
HIGH
(TRANS240V)
PU (M1)
RD
BR
FC
LOW
OPTIONAL
2 SPEED
BR
EM
3 SPEED
EM
M2
UP
M2
7
8
9
PU
BL
BR
WH
208-240/1/60 0140G01745-A
RD
RD
BK
BK
RD
PU
BK
BK
RD
DFT
RVC
COMPONENT
LEGEND
BR
C
CCR
CH
CHS
CM
COMP
DC
DFT
EBTDR
EM
FC
GND
HPS
HVDR
LPS
LVDR
LVJB
PLF
RVC
RCCF
SA
TR
BLOWER INTERLOCK RELAY
CONTACTOR
COMPRESSOR CONTACTOR RELAY
CRANKCASE HEATER
CRANKCASE HEATER SWITCH
CONDENSER MOTOR
COMPRESSOR
DEFROST CONTROL
DEFROST THERMOSTAT
ELECTRONIC BLOWER TIME DELAY RELAY
EVAPORATOR MOTOR
FAN CAPACITOR
EQUIPMENT GROUND
HIGH PRESSURE SWITCH
HIGH VOLTAGE DEFROST RELAY
LOW PRESSURE SWITCH
LOW VOLTAGE DEFROST RELAY
LOW VOLTAGE JUNCTION BOX
FEMALE PLUG / CONNECTOR
REVERSING VALVE COIL
RUN CAPACITOR FOR
COMPRESSOR AND FAN
START ASSIST
TRANSFORMER
WIRE CODE
BK BLACK
BL BLUE
BR BROWN
GR GREEN
OR ORANGE
PU PURPLE
RD RED
WH WHITE
YL YELLOW
FAC
TORY WIRING
LINE VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH
VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
++
EBTDR
R
G
C
EBTDR
31
2
LVJB
RD
OR
OR
BL
BL
SEE NOTE
#6
THERMOSTAT
BK
BK
PU
YL
RCCF
RD
RD
SA
YL
H C
F
BR
BL
BR
BK
SEE NOTE #5
R W2 O W1 G C
P
L
F
6
5
4
C
Y
24
SEE UNIT RATING PLATE FOR TYPE AND SIZE
OF OVER CURRENT PROTECTION
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE INSULATION AS
ORIGINAL (AT LEAST 105°C) USE COPPER CONDUCTOR ONLY.
2. TO CHANGE EVAPORATOR MOTOR SPEED REPLACE LEAD ON EBTDR
"COM" WITH LEAD ON EBTDR "M1" OR "M2".
3. CRANKCASE HEATER AND CRANKCASE HEATER SWITCH FACTORY
EQUIPPED WHEN REQUIRED.
4. FOR 208 VOLT TRANSFORMER OPERATION MOVE PURPLE WIRES
FROM TERMINAL 3 TERMINAL 2 ON TRANSFORMER.
5. START ASSIST FACTORY EQUIPPED WHEN REQUIRED.
6. USE COPPER CONDUCTORS ONLY ++ USE N.E.C. CLASS 2 WIRE.
7. DOUBLE POLE CONTACTOR SHOWN. SINGLE POLE CONTACTOR
COULD BE FACTORY EQUIPPED AS AN ALTERNATE CONFIGURATION.
8. COMMON SIDE OF CONTACTOR CAN NOT BE GROUNDED OR
CONNECTED TO ANY OTHER COMMON (24V).
(COM)BK
4
2
1 3
3
1
3
1
BR
P
L
F
RD
HPS
CHS
LPS
SEE NOTE 3
DF1DF2
R-DFT
R
C C
PS2
R-PS1
CCR
CNT
C-RV
O-RV
W
DFT
C
Y
DC
R
LVDR
HVDR
O
Y
PU
CH
GR
BK
BK
BK
RD
RD
CHS
PU
YL/PK
YL/PK
YL
PU
SEE NOTE #8
SEE NOTE #7
SEE NOTE #3
SEE NOTE #3
BL/PK
BL/PKPU
YL
YL
HPS
DC
DFT
Y
C
R
RVC
LPS
CNT
R-PS1 PS2
R
W
O
R-DFT DFT
O-RV
C-RV
2 POLE ONLY
SEE NOTE 7
PU
PU