GSX14 Service Manual
182
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.
ACNF
COLOR CODE
WH WHITE GR GREEN
BK BLACK PU PURPLE
RD RED BR BROWN
YL
BL
LOW VOLTAGE
HIGH VOLTAGE
FIELD WIRING
HIGH VOLTAGE
FACTORY WIRING
WIR
E CODE
LOW VOLTAGE NOTE 2
TL THERMAL LIMIT
EBTDR ELECTRONIC BLOWER TIME
DELAY RELAY
TR TRANSFORMER
EM EVAPORATOR MOTOR
DISC DISCONNECT SWITCH
COMPONENT CODE
FC FAN CAPACITOR
C CONTACTOR
DISC
DISC
208/240 VOLTS
HTR1 TL
L2T2
240V208V
C
FC
LO
HI
TR
24V
RD
EBTDR
HC
GR
WH
BL
EM
EBTDR
COM
NC
NO
HTR2
TL
USE N.E.C. CLASS 2 WIRE.
2) SEE COMPOSITE WIRI NG DIAGRAMS IN INSTALLATION INSTRUCTIONS
REPLACE WITH RED MOTOR LEAD
ELECTRONIC BLOWER TIME DELAY RELAY (EBTDR) COM TERMINAL AND
1) TO PLACE UNIT IN LOW SPEED, REMOVE BLACK MOTOR LEAD FROM
N
OTES:
BR
FL
FL
3) ASTERISK (*) INDICATES THAT HEATING ELEMENT, THERMAL LIMIT,
CONTACTOR, & INTERCONNECTING WIRES OF HEATER #2 ARE
DELETED WITH SINGLE HEATING ELEMENT UNITS.
**
R
EBTDR
CG
SECOND OFF DELAY WHEN "G" IS DE-ENERGIZED.
4) EBTDR HAS A 7 SECOND ON DELAY WHEN "G" IS ENERGIZED AND A 65
FL FUSIBLE LINK
HTR HEATER ELEMENT
0140A00278-B
BLUE
YELLOW
SEE NOTE
1
5) FOR 208VAC APPLICATIONS MOVE BOTH RED WIRES TO
CENTER TAP
SEE NOTE 5
HC
24V 24V
240V208V
C
HTR1
RD
DISC
DISC
RD
RD
WH
BL
BL BL
RD
RD
GR
RD
BKPU
PU
YL BR
BK
RD
FC
TR
EM
TL
HTR2
RD
TL
RD
SEE NOTE
1
GR
BR
FL
C
GSU
XFMR-C
R
NC
COM
NO
XFMR-R
EBTDR
*
*
*
FL
SEE NOTE 4
L1
POWER
SUPPLY
L2
SEE
2
NOTE
SEE NOTE 5
C
L2
L1
T2
T1
RD
RD
WH
BL
BL
BK
RD
BK
BR
RD
RD
RD
BK
BK
BK
BK
RD
RD
RD
GR
FOR PROPER LOW VOLTAGE WIRING CONNECTIONS.
SE
E NOTE 2
BK
PU
HC HEATER CONTACTOR
T1
*