Service Manual

ACCESSORIES WIRING DIAGRAMS
67
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.
0140G03218-A
PU
RD
BK
BK
RD
BL
PU
PU
PU
PU
OR
BR
WH
BL
BK
PU
BL
IGN
ALS
SOL
BK
YL
RD
GR
SEE NOTE 3
EM
20 8
PU
BK
NGL
T5T4T3T2 T1
240
3
TR
2
RD
24V
C
1
YL
BL
208-23 0/1/60
POWER SUPPLY
GND
C
PU
PU
RD
BK
BR
PU
BK
R
S
COMP
C
T2T1
CC
L2L1
CM
PU
SEE N OTE 3
BL
BK
SEE NOTE 2
YL
YL
YL
YL
YL
YL
YL
YL
FS
RD
G
EC ON
HI COOL
LO COOL
HI HEAT
LO HEAT
P2
MVC
MVH
MVL
PSW
PSW
HLO
TH
2
3
5
6
4
1
5
7
9
8
6
3
1
2
L1
L1
HI
LO
HI
SOL
GV
T4
T1
T3
T2
EM
C
CC
C
H
M
RS
PS
LS
ALS
TR
EM
VM
H
F
RCCF C
L2
T2
208- 230/1/60
CM
L1
R
T1
S
COMP C
L1
SUPPLY V OLTAGE
P1
INTEGRATED IGNITION CONTROL
CC
CC
COM
HLI
SEE N OTE 2
INTE RGRATE D IGNI TION
CONTROL
F
Y1
R
C
Y2
W2
W1
TO
MICRO
TO
MICRO
INTEGRATED IGNITION CONTROL
L1
LO
L2
L2
L2
L2
SOL
HPS
1
2
3
SEE NOTE 5
RU N CAP ACI TO R FOR COMPRESSOR/F AN
FA
CTORY W IRING
SOLENOID (2ND STAGE C OOL)
SOL
RCC F
FUSE
F
COMPRESSORCOMP
LINE VOLTAGE
OPTIONAL HIGH VOLTAGE
HIGH VOLTAGE
FI EL D
W IRING
LOW VOLTAGE
LOW VOLTAGE
BK BLACK
W
IRE CODE
PK PINK
OR ORANGE
GR GREEN
BR BR OWN
BL BLUE
RD RED
WH WH ITE
YL YELLOW
PU PURPLE
ALS
CC
COMPONE
NT LEGEN D
CONTACTOR
AU XILLARY LI MIT SWITCH
GAS V ALVEGV
FS
GND
IGN ITOR
PS
LS
IGN
IIC
EQUIPMEN T GROUND
PRESS U RE SWITCH
LIMIT SW ITCH
INTEGRATED IGNITION CONTROL
FLAME SENSOR
TR
TRAN SFORM ER
ROLLOUT SW ITCH
RS
EM
EVAPORA T O R M O TOR
ODF
OUTD OOR FAN
HIG H PRES SURE S WITC H
HPS
NOTES
1. REPLACEM ENT WIRE MUS T BE THE SAM E SIZE AND TYP E OF
INSULA TION AS ORIGINAL.(USE COPPER CONDUCTOR ONLY).
2. FOR 208 VOL T TRAN SFORM ER OPERA T ION MOV E BLACK W IRE
FR OM TERM INAL 3 TO TERMINAL 2 ON TRANSFORM ER.
3. USE COPPER CO NDUCTORS ONLY
4. FOR 208V OPERAT ION , REMOV E BLUE LEAD FROM INDUCER L OW
TERMINAL . MOVE BLACK LEAD FROM PARK TERMINAL ONTO
INDUCER LOW TERMINAL . PLACE BLUE LEAD ON PARK TERMINAL.
5. USE N EC CLASS 2 W IRE FOR THERMOST AT FIELD W I RIN G.
REPLAC E CONTROL
3MIN COMP.SHORT
CYCLE D E L AY
COMPR. SHORT CYCLE DELAY
6 FLASHES
FLASHES
CHECK F OR SHORTS I N
FLAME SENSOR WIRING
CHECK GAS VALVE
CHECK RO LLOUT LIMIT SW.
CHECKAUXILIARY LIMIT SW.
CHECK M AINLIMIT SWITCH
CHECK WIRI NG FOR SHORT S
CHECKPRESSURE SWITCHPRESSURE SWITCH CLOSED
CHECK VENT MOTOR
CHECK TUBING
CHECK FUSE(S)
CHECK I NPUT POWER
-
GAS PRESSU RE
FLAME SENSOR
GAS V ALVE
GAS FLOW
CHECKPRESSURE SWITCH
OFF
ON
1 FLASH
3FLASHES
2 FLASHES
4FLASHES
5FLASHES
FALSE FLAME DETECTED
OPEN LIMIT SWITCH
W IT HOUT I N DUCE R O N
PRESSURE SWITCHOPEN
IGNITION FAILURE
NORMAL OPERATION
NO POW ER OR
INTERNAL CONTROL
FAULT
ST ATUS
CHECK
CHECK FOR SHORTS IN
FLAME SENSOR WI RING
-
NO RMAL F LAME PRES ENT
-
GAS PRESSURE
FLAME SENSOR
GAS VALVE
GAS FLOW
CHECK GAS VALVE
ON
OFF
1FLASH
2 FLASHES
FALSE FLAME DETECTED
LOW FLAME SIGNAL
NO FLAME PRESENT
PSW/LOC OP EN
9 FLASHES
CHECK JUMPER BETWEEN 1
A ND 4 ON 6 - CI RCUIT
CONNECTOR
IDT/ODT OPEN
8 FLASHES
CHECKAUXILIARYLIMIT SW.
CHECK MAIN LIMIT SWITCH
LIMIT OPEN 5 TIMES I N SAME
CALL FO R HEAT
7 FLASHES
CHECK REFRIG ERANT
SWITCHES FOR LOSS OF
CHARGEOR HIGH HEAD
PRESSU RE
EQUIPMENT GROUND
FIELD GROUND
FIELD SPLICE
SWITCH (TEMP)
IGNITER
SWITCH (PRESS.)
OVERCURRENT
P ROT. DEVICE
JUNCTION
TERMINAL
INTERNALTO
INTEGRATED CONTROL
PLUG CONNECTIO N
CM CONDENS ER M OTOR
VENT M OTOR
VM
GY GRAY
DIAGNO STIC
LED
RED
AMBER
HPS
HILOW
ODF
L1
HIGH
FS
T1
LOW
INDUCER
L2
PARK
F
OR
OR
YL
PU
BR
NONE
5 MIN
10 MIN
180
150
120
90
Y2
Y1GW2W1CR
BLOWER
OFF D ELAY
STAGE
DELAY
ECON
LO HEAT
HI HEAT
HI COO L
LO COOL
24VAC COM
5
4
3
2
1
1
2
3
4
5
6
7
8
9
P1
BL
P2
5
4
2
1
36
YL
YL
YL
YL
SEE N OTE 5
H
CF
C
H
M
GV
GAS VALVE
W. R.
PS
LS
RS
1
2
1
2
PU
YL
RCCF
OR
OR
YL
YL
PU
PU
PU
PU
BR
BL
YL
YL
PU
PU
BL
YL
BR
WH
RD
YL
BR
PU
PU
RD
BL
BK
BK
YL
VM
BL
BK
BK
RD
SEE
NOT E 4
BK
SEE N OTE 4
GPG16 [24-48]