GSZH5 Service Manual
127
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.
NO TES:
1) REDWIRETOBEONTRANSFO RMER TERMINAL 3FOR 230VOLTS AN DON
2) TO PLACEAIRHANDLERINHIGHSPEED,REMOVERED MOTORLEAD FRO M ELECTRONIC
3) SEE COMPOSITE WIRING DIAGRAMSININSTALL ATIONINSTRUCTIONS FORPROPER
4) ASTERISK (*) INDICATES THATHEA TING ELEMENT ,THERMAL LIMIT,
CONTROLS SHOWNWITHUTILITIES IN "ON" POSITION ANDTHERMOSTAT IN "OFF"POSITION.
COLORCOD
E WIRING CODE
0140 A00543-B
BLOW ER TIME DELAYRELAY (EBTDR )COM TERMINAL ANDREP LACEWITHBLACK
ANDINTERCO NNECTING WIRESAND JUMPERSOFHEATER#2
AREDELETED WITH SINGLE ELEMENTUNITS.
MO TORLEA D. ALLUNITS WILL BE FACTOR YCONNECTEDAT LOW SPEE D.
TERMINAL 2FOR 208 VO LTS.
LOWVOLTAGE WIRING CONNECTIONS.
YELLOW
TIME DELAYRELAY
EVAPORATOR MOTOR
ELECTRONIC BLOWER
DISCONNECT SWITCH
EBTDR
DISC
EM
RD RED
BL
YL
BLUE
WH
BK
WHITE
BLACK
COM
PON EN
TCOD
E
TL
HTR
TR
R
FC
GREEN
BROWN
PURPLE
BR
GR
PU
RELAY
FANCAPACITOR
THERMALLIMIT
TRANSFORMER
HEATER ELEMENT
FACTORYWIRING
HIGH VOLTAGE
LOWVOLTAGE
FIELDWIRING
HIGH VOLTAGE
LOWVOLTAGE
TR
RD
24 VOLT45
2
SEENOTE1
1
3
LO
FC
EM
HI
TL1
TL1
HTR1
HTR2
COM
BL
BR
WH
R1
GR
NONC
TL2
TL2
208/230VOLTS
DISC
DISC
EBTDR
OFFDELAY WHEN "G"ISDE-ENERGIZE D.
5) EBTDR HAS A7SECONDONDELAY WHEN "G"ISENERG IZED ANDA65SECOND
R
EBTDR
G
C
EBTDR
M2
IF REPLACEMENTOFTHE ORIGINAL WIRESSUPPLIEDWITHTHISASSEMBLY IS NECESSARY, USE105˚C .
WIRE SIZE TO CONFORMTOTHE NATIONAL ELECTRIC CODE.
5
RD
BL
GR
EM
FC
BR
EVAPORATORMOTOR LEADS
BR
RD
NOTE
SEE
3
DISC
EQUIPMENT
GROUND
DISC
1
4
3
2
TR
HTR1
BK
BK
TL1
TL1
RD
RD
TL2
EBTDR
SEE
NOTE 5
COPPER
POWER SUPPLY
(SEE RATING PLATE)
USEMIN.75˚C FIELDWIRE
N.E.C. CLASS2WIRE
COM
R
NC
NO
UP
C
K1
SPEE D
K1
M1
XFMR-C
EBTDR
XFMR-R
G
M2
L2
RD
L1
BK
BL
BK
RD
GR
RD
BL
RD
BK
RD
PU
BK
N.E.C. CL
AS
S2WIRE
PU COMMON
BK HIGH
RD LOW
L2
T2
HC
HC HEATER CONTACTOR
T1
L1
HC
*
*
*
*
*
HTR2*
TL2*
*
C
L1
L2
T1
T2
BK
BL
BR
WH
RD
RD
BL
RD
PU
BK
BK
BK
RD
RD
BK
RD
BL
RD
RD
RD
RD
WH
BR