GSZH5 Service Manual
144
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. CLASS2WIRE
NOTES:
1) TO INDOOR UNIT LOWVOLTAGE TERMINAL BLOCK& INDOOR THERMOSTAT.
2) STARTASSISTFACTORY EQUIPPED WHEN REQUIRED.
3) USE COPPER CONDUCTOR ONLY.
4) CRANKCASE HE ATER & CRAN KCASE HE ATER SWITCH ARE FACTORY
INSTALLEDOPTION
5) 40VA MINIMUMTRANSFORMER IS REQUIRED.
6) COMMON SIDE OF TRANSFORMER MUSTBE 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
OR
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 STRI PE
OUTDOOR POWER SUPP LY
SEE RATING PLATE
WIRING C ODE
FACTORY W
IRING
HIGH VOLTAGE
LOWVOLTAGE
OPTIONAL HIGH VOLTAGE
FIE
LD W IRING
HIGH VOLTAGE
LVJB
CONTROLBOX
SC
RD
BL
L2
T2
L1
T1
C
RCCF
BR
SR
5
2
1
BK
YL
BL
IO
CM
AUX
MAIN
PU
YL/PK
LPS
EQUI PMENT
GROUND
DF1
DF2
CH
LVDR
R
CNT
INDOOR POWER SUPP LY
DFT
C
Y
DC
DFT
WH
W2
DC
HPS
O
C
RVC
W2
R
HVDR
YL/PK
RD
BK
BK
BL
CHS
R-DFT
O-RV
C-RV
LPS
PS2
R-PS1
O
W
C
HPS
CCR
}
RD
CH
CHS
SA
(IF USED)
NOTE 2
DFT
RVC
RD
BK
GR
Y
T1
L1
T2
L2
ALTERNATE
DOUBLE POLE
CONTACTOR
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
YL/PK
YL/PK
RD
WH
OR
BK
SEE NOTE 3
BK
BK
RD
SEE NOTE 1
CSM
YCR
CSM
YL
PU
0140R00273-C
Y
P
R C
RD
COMPONENT CODE
C---------------CONTACTOR
CSM ----------- COR ESENSE MODULE
CCR -----------COMPRESSOR CONTACTOR RELAY
CH -------------CRANKC ASE HE ATER
CHS ----------- CRANKC ASE HE ATER SWITCH
CM ------------ OUTDOOR FANMOTOR
COMP -------- COMPRESSOR
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
HPS ----------- HIGH PRESSURE SWITCH
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO -------------- INTERNAL OVERLOAD
LPS ---------- LOW PRESSURE SWITCH
LVDR --------- LOWVOLTAGE DEFROST RELAY
LVJB --------- LOWVOLTAGE JUNCTION BOX
RCCF ---------RUN C APACITORFOR COMPRESSOR & FAN
RVC -----------REVERSING VALVE COIL
SA ------------- STARTASSIST
SC ------------- START C APACI TOR FOR COMPRESSOR
(OPTIONAL)
SR ------------- START RELAY FOR COMPRESSOR (OPTIONAL)
CONTROLS SHOWNWITHTHERMOSTATIN
'OFF'POSITION.
BK
C
R
AUX
MAIN
COMP
S
BK
YL
RD
H
F
C
RD
YL
YL
YL
PU
SEE NOTE 5&6
FIELDLOW
VOLTAGE
CONNECTIONS
SEE NOTE 4
SEE NOTE 4
YL
RD
BK
BK
BK
BK
RD
YL
RD
RD
RD
BK
BK
BK
BK
YL
RD
BL/PK
BL
BR
CSM
C
PU
PU
PU
RD
P
YL
YL
BL/PK
PU
RD
RD
PU
PU
SEE NOTE 1