GSZH5 Service Manual
171
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.
USE N.E.C. CLASS 2 WIRE
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
C
O
L
O
R C
O D
E
BK -------- ------- BL ACK
BL/P K ---------- BLUE/PINK STRIPE
BR --------------- BROWN
OR --------------- OR ANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHIT E
YL --------------- YELLOW
YL/P K----------- YELLOW/PINK STRIPE
C
O
M
PO NE
N
T C
O DE
C --------------- CONTACTOR
CCR----- -- ----- COMPRESSOR CONTACTOR RELAY
CH ------------- CRANKCASE HEATER
CHS ---- ------- CRANKCASE HEAT ER SWITCH
CM ------------ OUTDOOR FAN MOTOR
CMR ---------- COND ENSER MOTOR RELAY
COMP -------- COMPRESSOR
CS ------------- COMPRESSOR SOLENOID
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
DT ------------- DISCHARGE THERMOST AT
HPS------------ HIGH PRESSU RE SWITCH
HVDR -------- HIGH VOLTAGE DE FR OST RE LAY
IO -------------- INTE RN AL OVERLOAD
LPS ------------ LOW PRESSURE SWITCH
LVDR --------- LOW VOLTAGE DEFROST REL AY
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RCCF --------- RUN CAPACITOR FOR COMPRESSOR & FAN
RVC ----------- RE VE RSING VALV E COIL
SA -------- ----- START ASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FOR COMPRESSOR (OPTION AL)
CONTROLS SHOWN WITH THERMOST AT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PL ATE
WIR
I
N
G C
O
D
E
FA
C
TO
RY WI
RI
N G
HIGH VOLT AGE
LOW VOLTAGE
OPTIONAL HIGH VOLT AGE
FIEL
D WI RI N
G
HIGH VOLTAGE
LOW VOLTAGE
CONTRO L BOX
SC
RD BL
L2
T2
L1
T1
C
BK
BK
BK
RD
RD
BL
RD
RCCF
BR
PU
SR
5
2
1
BK
YL
BL
BK
BR
PU
BK
YL/PK
LPS
DF1
DF2
(HIGH)
CH
LVDR
R
INDOOR POWER SUPPLY
Y
HPS
O
W2
R
(
L
O
W
)
5
4
2
HVDR
CMR
(HIGH)
(LOW)
RD
BK
YL/PK
CMR
BL
RD
BK
1
3
4
2
5
RD
RD
RD
BK
BK
BL
YL/PK
BL
PU
CHS
LPS
PS2
R-PS1
O
W
CCR
Y
Y2 C
Y2
CS
}
FIELD LOW
VOLT AGE
CONNECTIONS
BK
BK
RD
SA
(IF USED)
NOTE 2
BL/PK
DFT
BK
RVC
BK
RD
BK
DT
RD
RD
BL
BK
GR
BL/PK
BK
BK
DT
HPS
CS
C
Y2
T1
L1
T2
L2
CN
T
DFT
C
DC
DFT
C
RVC
1
3
R-DFT
O-RV
CMR
C-RV
C
0140R00172-B
DC
R
DF 1
DF2
0
0-RV
C-RV
W
LVDR
HV DR
CCR
CNT
0
DFT
R-DFT
R-PS1
Y
Y
C
R
C
C
PS2
RD
RD
EQUIPMENT
GROUND
NOTE 4
NOTES:
1) TO INDOOR UNIT LOW VOLT AGE TERMIN AL
BLOCK AND INDOOR THERMOST AT.
2) START ASSIST FACTORY EQUIPPED WHEN
REQUIRED.
3) THE COMM ON SIDE OF LOW VOLT AGE SH ALL
NOT BE GROUNDED.
4) USE COPPER CONDUCTOR ONLY.
5) CRANKC ASE HE ATER MAY NOT
HAVE ADDITION AL GROUND WIRE.
6) CRANKC ASE HE ATER & CR ANKC ASE
HEATER SWITCH ARE FACTORY
INSTALLED OPTION.
SEE NOTE 6
YL
BL/PK
YL/PK
PU
WH
PUOR
OR
WH
RD
PU
BL
YL
O
W2
R
Y
C
Y2
LVJB
ALTERNAT E
DOUBLE POLE
CONTACTOR
CHS
CH
RD
BK
SEE NOTE 1
BL
BK
IO
AUX
MAIN
RD
YL
CM
H
F
C
YL
YL
YL
YL/PK
RD
RD
AUX
MAIN
COMP
C
S
R
SEE NOTE 6