GSZH5 Service Manual
131
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.
NOTES :
1) REDWIRETOBEONTRANSFORMER TERMINAL 3 FOR 23 0VOLTS ANDON
2) TO PLACEAIRHANDLERINHIGHSPE ED,REMOVERED MOTORLEADFROMELECTRONI C
3) SEECOMPOSITE WIRING DIAGRAMS IN INSTALLA TION INSTRUCT IONS FORPROPE R
4) ASTERISK (*)INDICATES TH AT HEATIN GELEMENT ,THERMAL LI MIT,
CONTROLS SHOW NWITHUTILITIESIN "ON" POSITION ANDTHERMOSTAT IN "OFF"POSITIO N.
COLOR CO
DE WIR ING CODE
0140A002 82-A
BLOWER TIME DELAYRELAY (EBTDR)COM TERMINAL ANDREPLACE WITH BL ACK
RELAY(SEQUENCER) ANDINTERCONNEC TING WIRESAND JUMP ERSOFHEATER#2
AREDELETED WITH SINGLE ELEMENTUNITS .
MOTOR LE AD. ALL UNIT SWILL BE FACT ORY CONNECTED AT LO W SPEED.
TERMINAL 2FOR 208VOLTS.
LOWVOLTA GE WIRING CONNECTI ONS.
YELLOW
TIME DELAY RELAY
EVAPORATOR MOTOR
ELECTRONIC BLOWER
DISCONNECT SWITCH
EBTDR
DISC
EM
RD RED
BL
YL
BLUE
WH
BK
WHITE
BLACK
COMPO
NE NT CODE
TL
HTR
TR
R
FC
GREEN
BROWN
PURPLE
BR
GR
PU
NOTE 3
RELAY
FAN CAPACITOR
THERMAL LIMIT
TRANSFORMER
HEATER ELEM EN T
FACTOR Y WIRING
HIGH VO LTAGE
LOW VOLTAGE
FIELD WI RING
HIGH VO LTAGE
LOW VOLTAGE
TR
RD
24 VOLT45
2
SEENOTE 1
1
3
LO
FC
*
EM
HI
TL1
TL1
HTR 1
HTR 2
COM
BL BR
WH
R1
GR
NONC
TL2
TL2
208/230 VOLTS
DISC
* *
DISC
EBTDR
OFFDEL AY WHEN "G"ISDE-ENERGIZED.
5) EBTDRHAS A7SECONDONDELAY WHEN "G"ISENERGIZEDAND A65SECOND
R
EBTDR
G
C
EBTDR
M2
IF REPL ACEMENTOFTHE ORIGINAL WIRESSUPPLIEDWIT HTHISASSEMBLY IS NECESSARY, USE 105˚ C.
WIRE SIZE TO CONFORMTOTHE NATIONAL ELECTRICCODE.
C
L2
L1
T2
T1
4
RD
WH
BR
RD
BL
GR
EM
FC
BR
EVAPORATOR MOTOR LEADS
BR
RD
RD
NOTE
SEE
3
DISC
EQUIPMENT
GROUND
DISC
3
5
BK
12
TR
RD
HTR2*
HTR1
*
BK
BK
TL1
TL1
RD
*
RD
TL2*
TL2
EBTDR
SEE
NOTE 5
COPPER
POWE RSUPPLY
(SEE RATI NG PLATE)
USEMIN. 75˚C FIELDWIRE
N.E.C. CLASS2WIRE
COM
R
NC
NO
UP
C
K1
SPEED
K1
M1
XFMR-C
EBTDR
XFMR-R
G
M2
L2
L1
BL
BK
RD
RD
RD
BK
BL
WH
BR
RD
RD
BK
BK
BL
GR
RD
RD
RD
RD
RD
BK
RD
PU
BK
RD
CCONTACTOR
N
.E.C. CLASS 2 WIRE
PU COMMON
BK HIGH
RD LOW
RD
BK
2T2L
HC
HC HEATER CONTACTOR