WIRING DIAGRAMS
10
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.
GSH101203AC
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
USE N.E.C. CLASS 2 WIRE
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE
TERMINAL BLOCK & INDOOR
THERMOSTAT.
LPS
0140R00093
OR
YL
BL
RD
O
Y
C
R
NOTE 1
COLOR CODE
BK --------------- BLACK
BL --------------- BLUE
BR --------------- BROW N
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/BK ---------- YELLOW WITH BLACK
HASH MARKS
COMPONENT CODE
C --------------- CONTACTOR
CH ------------- CRANKCASE HEATER
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
FC ------------- FAN CAPACITOR
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO -------------- INTERNAL OVERLOAD
LPS ------------ LOW PRESSURE SWITCH
LVDR --------- LOW VOLTAGE DEFROST RELAY
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RVC ----------- REVERSING VALVE COIL
CMR ----------- CONDENSER MOTOR RELAY
HPS ----------- HIGH PRESSURE SWITCH
CONTROLS SHOWN WITH THERMOSTAT IN ’OFF’ POSITION.
WIRING CODE
FACTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
LVJB
CONTROL BOX
IO
CM
AUX
MAIN
BK
BR
PU
BK
DFT
YL/BK
YL/BK
LPS
EQUIPMENT GROUND
USE COPPER
CONDUCTORS ONLY
CH
W2
LVD R
O
R
O
O
Y
C
RVC
W2
INDOOR POWER
SUPPLY
R
C
DFT
C
Y
DC
R
DFT
RVC
BK
RD
RD
BK
CH
BK
WH
W2
DC
OR
C Y
O
O
BL
YL BK
RD
R
R
RD
LVD R
W2
WH
DFT
RD
H
V
D
R
DF2
DF1
RD
COMP
IO
T1
C
L3
L2
FC
T3
C
L1
L3
M
A
I
N
A
U
X
IO
CM
BK
L3
COMP
L1
L2
C
T2
OUTDOOR POWER SUPPLY
SEE RATING PLATE
L1
L2
YLRD
YL
BK
BK
C
T1
L1
T2
L2
T3
L3YL
RD
RD
FC
PU
BR
RD
3
1
CMR
BK
BL
YL/BK
BL
BK
BK
BK
YL
HPS
BK
YL/BK
BL
BL
RD
RD
BK
BK
CMR
CMR
D
F
1
D
F
2
HVDR
HPS
3
2
1
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