Service Instructions

161
WIRING DIAGRAMS
HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE 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.
GSX11[090-120]*A*
USE N.E.C. CLASS 2 WIRE
T1
C
FC
T3
C
L1
L3
C
C
0140R00190 - D
BL
Y C
LVJB
COMPONENT CODE C --------------- CONTACTOR CM ---------- OUTDOOR FAN MOTOR COMP -------- COMPRESSOR FC -------- ----- FAN CAPACITOR IO -------- ------ INTERNAL OVERLOAD LVJB -------- -- LOW VOLTAGE JUNCTION BOX CH ------------ CRANKCASE HEATER CHS ----------- CRANKCASE HEATER SWITCH LPS -------- -- LOW PRESSURE SWITCH HPS -------- -- HIGH PRESSURE SWITCH CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
WIRING CODE
FACTORY WIRING HIGH VOLTAGE LOW VOLTAGE OPTIONAL HIGH VOLTAGE F
IELD WIRING
HIGH VOLTAGE LOW VOLTAGE
Y
YL
YL
L2
C
T2
OUTDOOR POWER SUPPLY
SEE RATING PLATE
BK
RD
BK
BL
BK
YL
C
YL/PK
RD
FC
PU
BR
LVJB
CONTROL BOX
SEE NOTE 1
PU
BR
BK
CH
BK
CH
BK
BK
BK
BK
COLOR CODE BK --------------- BLACK BL --------------- BLUE BR --------------- BROWN OR --------------- ORANGE PU --------------- PURPLE RD --------------- RED WH --------------WHITE YL --------------- YELLOW
YL/PK ---------- YELLOW w/PINK
HASH MARKS
BL/PK ---------- BLUE w/PINK
HASH MARKS
PK --------------- PINK
L1
L2 L3
SEE NOTE 2
SEE NOTE 3
LPS
HPS
HPS
LPS
NOTES: 1) TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK & INDOOR
THERMOSTAT.
2) CRANKCASE HEATER FACTORY INSTALLED OPTION. 3) USE COPPER CONDUCTORS ONLY 4) 40VA TRANSFORMER MINIMUM SYSTEM REQUIRED 5) TRANSFORMER COMMON SIDE MUST BE GROUNDED
COMP
L1
L2
L3
EQUIPMENT GROUND
CM
COMP
R
C
S
CM
SEE NOTE 2
T1
L1
T2
L2
T3
L3
YL
BL/PK
YL/PK BL/PK
PU
PU
SEE NOTE 3
SEE NOTE 1