GSZH5 Service Manual
164
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 LOWVOLTAGE TERMINAL BLOCK&INDOOR THERMOSTAT.
2. START ASSIST FACTOR YEQUIPPED WHEN RE QUIRED.
3. USE COPPER CO NDUCTOR ONLY.
4. CRANKCASE HEATER & CR ANKCASE HEATER SWITCH ARE FACTORYINSTALLED OPTION.
CRANKCASE HEATER MA Y NOT HAVE ADDITIONAL GROUND WIRE
5. 40VA MINIMUM TRANSFORM ER IS REQUIRED.
6. COMMON SI DE OF TRANSFORMER MUST BE GROUNDED.
COMP
ALTERNATE DOUBLE
POLE CONTACTORONLY
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-D
OR
BL/P K
BL
RD
O
Y
C
R
COL
OR
C ODE
BK --------------- BLACK
BL/PK ---------- BLUE/PINKSTRIPE
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----------- COMPRESSOR CONTACTOR RELAY
CH -------------CRANKCASE HEATER
CHS----------- CRANKC ASE HEATER SWITCH
CM ------------ OUTDOOR FAN MOTOR
CMR ---------- CONDENSER MOTOR RELAY
COMP -------- COMPR ESSOR
CS ------------- COMPRESSOR 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 PR ESSURE SWITCH
LVDR --------- LOWVOLTAGE DEFROST RELAY
LV
JB --------- LOWVOLTAGE JUNCTION BOX
RCCF --------- RUNC APACITOR FOR COMPRESSOR & FAN
RVC----------- REVERSING VALVE COIL
SA ------------- STARTASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR (OPT IONAL)
SR ------------- START RELAY FOR COMPR ESSOR (OPTIONAL)
CONTROLS SHOWNWITH THERMOSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
LVJB
CONTROLBOX
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
}
FIELDLOW
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-DFT
R-PS1
Y
Y
C
R
C
C
PS2
RD
RD
BK
BK
SEENOTE 4
SEE NOTE 5& 6
BK
BK
RD
SEE NOTE 1
EQUIPMENTGROUND
SEENOTE 3
ALTERNATE
DOUBLE POLE
CONTACTOR
WH BK
BL/PK
YL/PK
YL/PK
OR
PU
PU
CHS
C
R
S
AUX
MAIN
COMP
H
FC
RD
RD
YL
YL
GR
USE N. E.C. CLASS2WIRE
SEE NOTE 4
RD
R-PS1
O-RV
W
IRING CO DE
FACTORY W IRING
HIGH VOLTAGE
LOWVOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD
W
IRING
HIGH VOLTAGE
LOWVOLTAGE
SEE NOTE 1