GSZH5 Service Manual
162
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
NOTES:
1) TO INDOOR UNIT LOW VO LTAG E TERMINAL BLOCK & INDOOR THERMO STAT.
2) START ASSIST FA CTORY EQUIPPED WH EN REQU IRED.
3) USE COPPER CO ND UCTOR ONLY.
4) CRANKCASE HEATER & CRAN KCAS E HE AT ER SWITCH ARE FACTORY INSTALLED OPTION
5) 40VA MINIMUM TRANSFORMER IS REQUIRED.
6) COMM ON SIDE OF TR ANSFORMER MUST BE GROUNDED.
COMP
ALTERNAT E 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
01 40R00171 - B
OR
BL/PK
BL
RD
O
Y
C
R
C
O
LO
R
C ODE
BK ----------- ---- BLACK
BL/PK ---------- BL UE/PINK STRIPE
BR --------------- BROWN
GR---------------- GREEN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK----------- YE LL OW/PINK STRIPE
COMPONENT CODE
C --------------- CONTACTOR
CADM -------- COMFORT ALERT DIAGNOSTIC MODULE
CCR -- --------- COMPRESSOR CONTACTOR RELAY
CH ------------- CRANKCASE HE AT ER
CHS ----------- CRANKCASE HEATER SWITCH
CM ------------ OUTDOOR FA N MOTOR
CMR ---------- CONDEN SER MOTOR RELAY
COMP -------- COMPRESSOR
CS ------------- COMP RESSOR SOLENOID
DC ---- --------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
DT ------------- DISCHARGE THERMOSTAT
HPS ----------- HI GH PRESSURE SW ITCH
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO -------------- INTERNAL OVERLOAD
LPS ---- ------
LOW PRESSURE SWITCH
LV DR --------- LOW VOLTAGE DEFROST RELAY
LV JB -------- - LOW VOLT AGE JUNCTION BOX
RCCF -------- - RUN CAPACI TO R FOR COMPRESS OR & FAN
RVC ----------- REVERSING VALV E COIL
SA ------------- START ASSIST
SC ------------- START CAPACITO R FOR COMPRESSOR (OPTIONA L)
SR ------------- START RELAY FOR COMPRESS OR (OPT IONAL)
CONTROLS SHOWN WITH THERM OSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
WIRING CODE
FA C T
O RY WI
RI N
G
HI GH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLT AGE
FIE
L D WI RI
N
G
HI GH VOLTAGE
LOW VOLTAGE
LVJB
CONTROL BOX
SC
RD BL
L2
T2
L1
T1
C
BK
BK
BK
RD
RD
BL
RD
RCCF
F
C
HERM
YL
YL
YL
BR
RD
PU
YL
RD
SR
5
2
1
BK
YL
BL
IO
CM
AUX
MAIN
BR
PU
YL
C
R
S
RD
BK
AUX
MAIN
COMP
YL/PK
LPS
EQUIPM ENT
GROUND
DF1
DF2
CH
LV DR
R
CNT
INDOOR POWE R SUPPLY
DFT
C
Y
DC
DFT
WH W2
DC
BL/PK
HPS
O
C
RV C
W2
R
HVDR
YL/PK
BK
RD
BK
PU
BK
BL
BL
PU
CHS
R-DFT
O-RV
C-RV
LPS
PS2
R-PS1
O
W
C
HPS
CCR
}
FIELD LOW
VO LTAG E
CONNECTI ONS
RD
BK
CH
CH S
RD
SA
(IF USED)
NOTE 2
DFT
RVC
RD
BK
BL/PK
BK
GR
Y
T1
L1
T2
L2
ALT ER NATE
DOUBLE POLE
CONTACTOR
R
DF1
DF2
0
0- RV
C-RV
W
LV DR
HVDR
CCR
CN T
0
DFT
R-DF T
R-PS1
Y
Y
C
R
C
C
PS 2
YL/PK
YL/PK
RD
RD
BL/PK
WH
OR
BK
BK
SEE NOTE 4
SEE NOTE 5 & 6
SEE NOTE 4
SEE NOTE 3
BK
BK
RD
NOTE 1
IO