GSZH5 Service Manual
146
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.
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)
C H
C
C
C
0140R00795-B
BL
Y1
C
LVJB
COL
OR C
O
DE
BK ---------------
BL ---------------
BR ---------------
OR ---------------
PU ---------------
RD ---------------
WH --------------
YL ----------------
GR/YL ----------
GR ---------------
CONTROL BOX
COMPONENT CO
DE
C --------------- CONTRACTOR
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
IO -------------- INTERNAL OVERLOAD
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RCC ----------- RUN CAPACITOR FOR COMPRESSOR
SA ------------- START ASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FOR COMPRESSOR (OPTIONAL)
CH ------------- CRANKCASE HEATER
CHS------------ CRANKCASE HEATER SWITCH
DT--------------- DISCHARGE THERMOSTAT
CS--------------- COMPRESSOR SOLENOID
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
WIRING CODE
FACTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FI
ELD
WIRING
HIGH VOLTAGE
Y1
PU
YL
C
R
S
RD
BK
AUX
MAIN
COMP
SC
RD
BL
RCC
YL
YL
SR
5
2
1
BK
YL
BL
RD
BK
BL
RD
RD
BK
BK
BK
C
T1
L1
T2
L2
SA
(IF USED)
NOTE 2
EQUIPMENT GROUND
SEE NOTE 3
BR
BK
T1
L1
T2
L2
ALTERNATE DOUBLE POLE
CONTACTOR
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK &
INDOOR THERMOSTAT.
USE N.E.C. CLASS 2 WIRE.
2) START ASSIST FACTORY EQUIPPED WHEN REQUIRED.
3) USE COPPER CONDUCTORS ONLY.
4) CRANKCASE HEATER & CRANKCASE HEATER SWITCH
ARE FACTORY INSTALLED OPTIONAL.
H
C
RD
RD
RD
BL
GND
L1
L2
CM
C
F
GR/YL
BK
RD
GR
BK
RD
CH
CM
L2
L1
CM
BL
WH
YL
GR/YL
SEE NOTE 1
SEE NOTE 1
SEE NOTE 3
SEE NOTE 3
BLACK
BLUE
BROWN
ORANGE
PURPLE
RED
WHITE
YELLOW
GREEN/YELLOW STRIPE
GREEN
YL
BL
BR
YL
SEE NOTE 3
DT
Y2
YL
RD
BK
GR
CHS
CH
RD
CS
C
Y2
BL
YL
WH
PU
BK
BL
DT
BL
CS
Y2
WH
YL
RD
RD
SEE NOTE 4
BK