92
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.
NOTES:
1. R ED WIRE TO BE ON TRANSFORMER TERMINAL 3 FOR 230 VOLTS
AND ON TERMINAL 2 FOR 208 VOLTS.
2. CONFIRM SPEED TAP SELECTED IS APPROPRIATE FOR APPLICATION.
IF SPEED TAP NEEDS TO BE CHANGED CONNE CT APPROPRIATE WIRE
FROM MOTOR TO TERMINAL # 4 ON RELAY.
3. S EE COMPOSITE WIRING DIAGRAMS IN INSTA LLATION INSTRUCTIONS
FOR PROPER LOW VOLTAGE W IRING CONNECTIONS.
4. A STERISK (*) INDICATES THAT HEAT ING ELEMENT, T HERMAL LIMIT,
RELAY (SEQUENCER) AND INTERCONNECTING WIRES AND JUMPERS
OF HEATER # 2 AR E DELETED WITH SIN GLE ELEMENT UNITS.
5. COLOR CODE:
W H -- WHITE GR -- GREEN
BK -- BLACK PU -- PURPLE
RD -- RED BR -- BROWN
YL -- YELLOW BL -- BLUE
6. W IRING CODE:
FACTORY W IRING
HIGH VOLTAGE
LOW VOLTAGE
FIEL D WIRI
NG
HIGH VOLTAGE
LOW VOLTAGE NOTE 3
7. COMPONENT CODE:
DISC -- DISCONNECT SWITCH R -- RELAY
EM -- EVAPORATOR MOTOR FC -- FAN CAPACITOR
EBTDR -- ELECTRIC BLOWER TL -- THERMAL LIMIT
TIME DELAY RELAY TR -- TRANSFORMER
HTR -- HEATER ELEMENT
EM
YL
21435
NCGL
M1
BL
BL
RD
RD
RD
BK
RD
GR/YL
BR
WH
OR
HTR2*
HTR1
BK
RD
RD
TL2*
TL2
1
3
5
2
4
M3
T1
M2
M4
T2
4
24V
3
5
BK
1
2
240
TR
RD
RD
BK
BL
BK
BL
BL
YL
PU
PU
BR
WH
OR
BK
RD
BL
WH
WH
WH
WH
BR
RD
RD
RD
GR
GR
RD
PULL TO
DISCONNECT
BK
BK
FUSE
*
FIELD CONNECTIONS
TO RELAY
SEE NOTE #
2
0140A00036 REV. A
AWUF37
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