GSZH5 Service Manual
147
WIRING DIAGRAMS
HIGH VOLTAGE!
D
ISCONNECT ALL POWER BEFORE SERVICING
OR INSTALLING THIS UNIT.
M
ULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY
CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
WIRI
NG COD
E
FACTORY W
IR
ING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
F
IELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
INDOOR POWER SUPPLY
NOTES:
1. TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK
& INDOOR THERMOSTAT.. USE N.E.C. CLASS 2 WIRE.
2. START ASSIST FACTORY EQUIPPED WHEN REQUIRED.
3. USE COPPER CONDUCTOR ONLY.
4. CRANKCASE HEATER & CRANKCASE HEATER SWITCH ARE FACTORY INSTALLED OPTION.
CRANKCASE HEATER MAY NOT HAVE ADDITIONAL GROUND WIRE
5. 40VA MINIMUM TRANSFORMER IS REQUIRED.
6. COMMON SIDE OF TRANSFORMER MUST BE GROUNDED.
COMP
ALTERNATE DOUBLE
POLE CONTACTOR ONLY
IO
T1
C
M
A
I
N
R
A
U
X
5
S
SR
SA
2
1
RCCF
SC
T2
C
L1
L2
(IF USED) NOTE 2
C H
C
F
M
A
I
N
A
U
X
IO
CM
0140R00798-B
COLOR CODE
BK --------------- BLACK
BL/PK ---------- BLUE/PINK STRIPE
BR --------------- BROWN
GR---------------- GREEN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK----------- YELLOW/PINK STRIPE
CO
MPONENT CODE
C --------------- CONTACTOR
CADM -------- COMFORT ALERT DIAGNOSTIC MODULE
CCR ----------- COMPRESSOR CONTACTOR RELAY
CH ------------- CRANKCASE HEATER
CHS ----------- CRANKCASE HEATER SWITCH
CM ------------ OUTDOOR FAN MOTOR
CMR ---------- CONDENSER MOTOR RELAY
COMP -------- COMPRESSOR
CS ------------- COMPRESSOR SOLENOID
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
DT ------------- DISCHARGE THERMOSTAT
HPS ----------- HIGH PRESSURE SWITCH
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO -------------- INTERNAL OVERLOA
D
LPS ---------- LOW PRESSURE SWITCH
LVDR --------- LOW VOLTAGE DEFROST RELAY
LVJB --------- LOW VOLTAGE JUNCTION BOX
RCCF --------- RUN CAPACITOR FOR COMPRESSOR & FAN
RVC ----------- REVERSING VALVE COIL
SA ------------- START ASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FOR COMPRESSOR (OPTIONAL)
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
SEE NOTE 3
DF1
DF2
CH
LVDR
R
DFT
C
Y
DC
DFT
O
RVC
W2
R
HVDR
CHS
R-DFT
C-RV
LPS
PS2
O
CCR
}
FIELD LOW
VOLTAGE
CONNECTIONS
SEE NOTE 4
SEE NOTE 5 & 6
R-PS
O-RV
OR
PU
BL
RD
O
Y
C
R
LVJB
CONTROL BOX
SC
BL
L2
T2
L1
T1
C
RD
BL
RD
RCCF
YL
BR
PU
RD
SR
5
2
1
BK
YL
YL
RD
BK
LPS
WH
W2
RD
BK
CH
SA
(IF USED)
NOTE 2
DFT
RVC
RD
BK
BK
T1
L1
T2
L2
RD
BK
BK
BK
BK
RD
EQUIPMENT GROUND
SEE NOTE 3
ALTERNATE
DOUBLE POLE
CONTACTOR
BK
YL/PK
YL/PK
BK
CHS
C
R
S
AUX
MAIN
COMP
H
F
C
RD
RD
YL
YL
GR
SEE NOTE 4
RD
SEE NOTE 1
SEE NOTE 3
RD
BK
BL
PU
BK
BK
RD
RD
WH
OR
BL/PK
SEE NOTE 1 & 3
MAIN
AUX
CM
IO
BL
DC
R
DF1
DF2
0
0-RV
C-RV
W
LVDR
HVDR
CCR
CNT
0
DFT
R-DFT
R-PS1
Y
Y
C
R
C
C
PS2
BK
BL
PU
BK
BK
BL/PK
BL/PK
BK
BR
YL/PK
YL/PK
DT
BK
BK
HPS
Y
C
C
DTHPS
CNT