35
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
'2620$<&$86(3523(57<'$0$*(3(5621$/,1-85<25'($7+
A/GPGM3[42/48]***41 WIRING DIAGRAM
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
VENT MOTOR RELAY
HIGH PRESSURE SWITCH
EQUIPMENTGROUND
COMPRESSOR
AUXILLARY LIMIT SWITCH
0140G0450 7-A
INSTALLER/SERVICEMAN
-
GAS PRESSURE
FLAME ROLLOUT
AUX. LIMIT OPEN
FLAME SENSOR
BAD SWITCH
GAS VALVE
CHECK FUSE ON CONTROL
CHECK INPUT POWER
REPLACE CONTROL
GAS FLOW
ANTI-CYCLE TIMER
MAIN LIMIT OPEN
STICK ING G AS V AL VE
BAD SWITCH
3 MIN. COMP.
PRESSURE SWITCH
PRESSURE SWITCH
CHECK
CHECK
OFF
ON
OR
OR
1 BLINK
3 BLINKS
6 BLINKS
2 BLINKS
4 BLINKS
5 BLINKS
FALSE FLAME SENSED
OUTPUT DELAY
OPEN LIMIT SWITCH
COMPR ESSOR
WITHOUT INDUCER ON
PRESSURE SWITCH CLOSED
PRESSURE SWITCH
OPEN AUX. LIMIT
OPEN ROLLOUT
SWITCH
OPEN
SWITCH
IGNITION FAILURE
NORMAL OPERATION
NO POW ER OR
INTERNAL CONTROL
FAULT
STATUS LIGHT
EQUIP. STATUS
CHECK
TROUBLESHOOTING THIS APPLIANCE. STATUS LIGHT CODES ARE AS FOLLOWS:
THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE TO
O PTIONAL LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD INSTALLED CONTROL
FIELD INSTALLED POWER
NOTES :
1. REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF
INSULATION AS ORIGINAL. (USE COPPER CONDUCTOR ONLY).
2. FOR 208 VOLT TRANSFORMER OPERATION MOVE BLACK WIRE
FROM TERMINAL 3 TOTERMINAL 2 ONTRANSFORMER.
3. CRANKCASE HEATER NOT SUPPLIED ON ALL UNITS.
4. FOR DIFFERENT THAN FACTORY SPEED TAP. CHANGE COOLING
SPEED AT MOTOR T4 AND T5 TERMINALS. CHANGE HEATING
SPEEDATMOTORT1, T2 ANDT3TERMINALS.
COOLING SPEED (YELLOW WIRE)
HEATING SPEED (WHITE WIRE)
DEEPSWOL- 1TDEEPSWOL- 4T
T5 -HIGH SPEE DEEPS .DEM-2TD
T3 - HIGH SPEED
5. USE COOPER CONDUCTORS ONLY.
COMPONENT LEGEND
ALS
COMP
CM CONDENSERMOTOR
C CONTACTOR
C CRANKCASE HEATER
EM
F
FS
GND
GV
HP
IIC
IGN
LS
PS
RCCF
RS
TR
VM
VMR
PU - PURPLE
YL - YELLOW
WH - WHITE
RD - RED
BL - BLUE
BR - BROWN
GR - GREEN
OR - ORANGE
PK - PINK
WI
RE CODE
BK - BLACK
L OW VOL TAGE
WI
RING
H IGH VOLTAGE
USE NECCLASS 2 WIRE.
208-230/1/60
BL
YL
RD
GR
WH
NO E
CONOMIZER
W
Y
C
R
G
THERMOSTAT FIELD WIRING
BL/PK - BLUE/PINK
24 V
H
C
EM
R G W
TO THERMOSTAT
11
Y/Y2
C
4
9
7
8
10 12
6
5
3
FS
F
L1
PS
ALS
RS
LS
GV
FS
IGN
VM
L2
SUPPLY VOLTAGE
1
C
CO MP
S
C
T1
R
L1
C
CM
208-230/1/60
T2
CH
2
L2
NOTE 3
TR
C
D1
C
1 3
EM
VMR
VMR
2
T4
T3
L
N
3
2
1
IIC
T5
2T 1T
C
RCCF
F
H
NOTE 2
4
HPS
2
EVAPORATOR MOTOR
FUSE
FLAME SENSOR
GAS VALVE
INTEGRATED IGNITION CONTROL
IGNITOR
LIMIT SWITCH
PRESSURE SWITCH
RUN CAPACITOR FOR COMPRESSOR/FAN
ROLLOUT SWITCH
TRANSFORMER
VENT MOTOR
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