GSZH5 Service Manual
169
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.
INDOOR POWER SUPPLY
NOTES:
1. TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK & INDOOR THERMOSTAT.
2. START ASSIST FACTORY EQUIPPED WHEN REQUIRED .
3. USE COPPER CONDUCTOR ONLY.
4. CRANKCASE HEAT ER & CRANKCASE HEATER SWITCH ARE FACTORY INSTALLED OPTION.
CRAN KCASE HEAT ER MAY NO T 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
CH
C
F
M
A
I
N
A
U
X
IO
CM
0140R00171 - C
OR
BL/PK
BL
RD
O
Y
C
R
CO L
OR
C OD
E
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
COMPONENT CODE
C --------------- CONTACTOR
CADM -------- COMFORT ALERT DIAGNOSTIC MODULE
CCR ----------- COMP RESSOR CONTACTOR RELAY
CH ------------- CRANK CASE HEATER
CHS ----------- CRANKCASE HEATER SWITCH
CM ------------ OUTDOOR FAN MOTOR
CMR ---------- CONDENSER MOTOR RELAY
COMP -------- COMPRESSOR
CS ------------- COMP RESSOR SOLENOID
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
DT ------------- DISCHARGE TH ERMOSTAT
HPS ----------- HIGH PRESSURE SWITCH
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO ----------- --- INTERNAL OVERLOAD
LPS ---------- LOW PRESSURE SWITCH
LVDR --------- LOW VOLTAGE DEFROST RELAY
LVJB --------- LOW VOLTAGE JUNCTION BOX
RCCF --------- RUN CAPACITOR FO R COMPRESSOR & FAN
RVC ----------- REVERSING VALVE COIL
SA ------------- START ASSIST
SC ------------- START CAPA CITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FO R COMPRESSOR (OPTIONAL)
CONTROLS SH OWN WITH THERMOSTAT IN 'OFF' POSI
TION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
LVJB
CONTROL BOX
SC
RD
BL
L2
T2
L1
T1
C
BK
BK
BK
RD
RD
BL
RD
RCCF
YL
BR
PU
RD
SR
5
2
1
BK
YL
BL
IO
CM
AUX
MAIN
BR
PU
YL
RD
BK
YL/PK
LPS
DF1
DF2
CH
LVDR
R
CNT
DFT
C
Y
DC
DFT
WH
W2
DC
BL/PK
HPS
O
C
RVC
W2
R
HVDR
YL/PK
BK
BK
BL
BL
CHS
R-DFT
C-RV
LPS
PS2
O
W
C
HPS
CCR
}
FIELD LOW
VOLTAGE
CONNECTIONS
RD
BK
CH
SA
(IF USED)
NOTE 2
DFT
RVC
RD
BK
BL/PK
BK
Y
T1
L1
T2
L2
R
DF1
DF2
0
0-RV
C-RV
W
LVDR
HVDR
CCR
CNT
0
DFT
R-DF T
R-PS1
Y
Y
C
R
C
C
PS2
RD
RD
BK
BK
SEE NOTE 4
SEE NOTE 5 & 6
BK
BK
RD
SEE NOTE 1
EQUIPMENT GROUND
SEE NOTE 3
ALTE RNATE
DOUBLE POLE
CONTACTOR
WH
BK
BL/PK
YL/PK
YL/PK
OR
PU
PU
CHS
C
R
S
AUX
MAIN
COMP
HFC
RD
RD
YL
YL
GR
USE N.E.C. CLASS 2 WIRE
SEE NOTE 4
RD
R-PS1
O-RV
WIRING CO
DE
FA CTO
RY W
IRI NG
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE