GSZH5 Service Manual
145
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
F
M
A
I
N
A
U
X
C
C
0140R00794-B
BL
Y
C
LVJB
COLOR CODE
BK --------------- BLACK
BL --------------- BLUE
BR --------------- BROWN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL ---------------- YELLOW
CONTROL BOX
CO
M
PO
NEN
T
C
ODE
C --------------- CONTACTOR
CH------------- CRANKCASE HEATER
CHS----------- CRANKCASE HEATER SWITCH
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
DT------------- DISCHARGE THERMOSTAT
IO -------------- INTERNAL OVERLOAD
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RCCF --------- RUN CAPACITOR FOR COMPRESSOR & FAN
SA ------------- START ASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FOR COMPRESSOR (OPTIONAL)
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
WIRING CO
DE
FACTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD WIRING
HIGH VOLTAGE
IO
CM
Y
YL
YL
C
R
S
RD
BK
AUX
MAIN
COMP
SEE NOTE 1
SC
RD
BL
RCCF
YL
PU
YL
SR
5
2
1
BK
YL
BL
BK
BL
RD
C
T1
L1
T2
L2
SA
(IF USED)
NOTE 2
EQUIPMENT GROUND
SEE NOTE 3
PU
BR
BK
MAIN
AUX
CM
IO
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) CH AND CHS USED ON 3.5T AND 4T ONLY.
H
F
C
RD
RD
RD
BR
SEE NOTE 3
SEE NOTE 1
SEE NOTE 3
RD
RD
BK
BK
BK
SEE NOTE 3
YL
DT
BK
CHS
CH
RD
BK
BK
BK
RD
RD
DT
BK
GR
CH
GR
BK
BK