GPUM3 Spec Sheet
22 www.goodmanmfg.com SS-GPUM3
SS-GPUM3 www.goodmanmfg.com 23
Wiring is subject to change. Always
refer to the wiring diagram or the
unit for the most up-to-date wiring.
⚠
Disconnect all power before servicing or installing this unit. Mulple power
sources may be present. Failure to do so may cause property damage, personal injury, or death.
⚡
A2
1
REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF
INSULATION AS ORIGINAL (AT LEAST 105° C). USE COPPER
CONDUCTORS ONLY. USE N.E.C. CLASS 2 WIRE FOR ALL
LOW VOLTAGE FIELD CONNECTIONS. USE COPPER
CONDUCTORS FOR UNIT SUPPLY POW ER.
FOR 208V SUPPLY POWER, MOVE WIRES FROM THE 240V
TAP TO THE 208V TAP.
2
NOTES
COMPONENT LEGEND
WIRE CODE
BLACK
BLUE
BROWN
GREEN
GRAY
ORANGE
PINK
PURPLE
RED
TAN
WHITE
YELLOW
BK
BL
BR
GR
GY
OR
PK
PU
RD
TN
WH
YL
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
OPTIONAL LOW VOLTAGE
CHASSIS GROUND
F
IELD WIR
ING
F
ACTORY WIR
ING
HIGH VOLTAGE
LOW VOLTAGE
EARTH GROUND
ALS AUXILIARY LIMIT SWITCH
BTS BURNER TEMPERATURE SWITCH
CC COMPRESSOR CONTACTOR
CCH CRANKCASE HEATER
CM CONDENSER MOTOR
COMP COMPRESSOR
CS COMP SOLENOID (2ND STG COOLING)
EM EVAPORATOR MOTOR
FPS FREEZE PROTECTION SWITCH
FS FLAME SENSOR
GND EQUIPMENT GROUND
GPT GAS PRESSURE TRANSDUCER
GV GAS VALVE
HPS HIGH PRESSURE SWITCH
IGN IGNITOR
LPS LOW PRESSURE SWITCH
PLF FEMALE PLUG/CONNECTOR
PLM MALE PLUG/CONNECTOR
PLS PRIMARY LIMIT SWITCH
RC RUN CAPACITOR
TON ON - DELAY TIMER RELAY
TR TRANSFORMER
VM VENT MOTOR
PSS
PSG
PS VCC
PLI
NC BTS
NC BTS
PLO
GV RETURN
TR 24 VAC
TR GND
GV OUTPUT
PLM
12
11
10
9
8
7
6
5
4
3
2
1
FLAME ROD (T7)
COOL FAN
HEAT FAN
J5
PCBBL216
9
8
7
6
5
4
3
2
1
12
11
10
J
8
1
2
3
3
2
1
J
4
IDC (20 VDC)
I (PWM) C
I (RPM) F
PLM
FAN
PLM
DSI
54321
L2L2L1GND
J3
5
4321
PLM
3A
BK RDGR RDWH
PLM
PLF
GPT
3
2
1
2
1BK
GR
RD
RD
BR
GV
BR
CC
T1
T2
BK
CM
BR
RC
GR
YL
BR
BK
PU
COM
H
F
PU
BK
COMP
M
1~
M
1~
M
1~
PLF
PLM
5
4
3
2
1
VM
IGN
YL
OR
C
L
G
N
BK
PU
BL
GR
PU
BK
T1
T2
T3
T4
T5
M
1~
EM
FS
YL
RD
GND
TON
t = 180s
R1
Y1
BL
Y2
R2
PU
3
5
4
3
2
1
YL
GR
LINE
VOLTAGE
208-230V/1PH/60Hz
R
C
RD
L1
L2
G
R
W
Y
C
5
4
3
2
1
GR
COM
TR
BR
RD
BK
RD
YL
OR
BR
WH
BK
OR
YL
BR
1
2
BK
WH
VM
GR
GR
GR
BL
BL
HPS
LPS
PU
R C G Y2Y1W1
1
TO THERMOSTAT
RD BL GR
WH
YL
OR
BR
WH
WH
PU
PU
BL
BL
RD
BL
PU
PU
PU
YL
YL
PLS
ALS
PU
PU
PU
ALS
PLM
PLF
PU PU
2
1
2
1
YL
0140G04557-A
RD
RD
BK
RD
PU
WH
PU
BK
BK
BK
S
BK
BK
BK
PU
RD
PU
PU
YL
YL
PU
BL
BL
BL
BL
BK
RD
PU
RD
BTS
PU
A1
CC
BL
YL
V1
CS
240V
YL
PU
WH
GR GR
V2
THE STATUS LIGHT ON THE FURNACE CONTROL MAY BE USED AS A GUIDE TO TROUBLESHOOTING THIS
APPLIANCE. SOME MORE USEFUL STATUS LIGHT CODES ARE BELOW:
THE FAULT CONDITION MUST BE CLEARED FOR 30 SECONDS BEFORE NORMAL OPERATION CAN RESUME.
A POWER CYCLE WILL ALSO RESET ANY LOCKOUT.
1
PCBBL216 ULN CONTROL ERROR CODES
LED
ACTIVITY
DESCRIPTION COLOR
MINIMUM
LOCKOUT
PERIOD
1
LED
ACTIVITY
DESCRIPTION COLOR
MINIMUM
LOCKOUT
PERIOD
1
LED
ACTIVITY
DESCRIPTION COLOR
MINIMUM
LOCKOUT
PERIOD
1
LED OFF
NO 24 VAC
POWER TO
CONTROL
N/A 6 FLASHES
NORMALLY CLOSED
BLOCKED BURNER
SWITCH/
AUXILIARY SWITCH
OPEN
RED
MAXIMUM
RECOVERY TIME
-
1 HOUR IF TIME
EXCEEDED
2 FLASHES
ID PLUG
FAILURE
AMBER
HARD LOCKOUT
HEATING MODE
RED,
AMBER,
GREEN
POWER-UP
VERIFICATION OF
LED
N/A 7 FLASHES
GAS VALVE CIRCUIT
SHORTED
RED 1 HOUR 3 FLASHES
CONTROL FUSE
OPEN
AMBER 5 MINUTES
STEADY
ON
CONTROL FAULT
DETECTED
RED
1 HOUR
OR
HARD LOCKOUT
8 FLASHES RESERVED RED
STEADY
ON
STANDBY
NORMAL
OPERATION NO
THERMOSTAT
REQUESTS
GREEN N/A
1 FLASH RETRIES EXCEEDED
RED 1 HOUR FIXED
10
FLASHES
HIGH LIMIT
SWITCH RECOVERY
TIMER EXPIRED
RED
1 HOUR
OR
HARD LOCKOUT
RAPID
FLASH
CLEAR ERROR
HISTORY
GREEN N/A
2 FLASHES
PRESSURE SENSOR
NULL ERROR
RED 5 MINUTES STEADY ON
OEM FACTORY
TEST MODE
AMBER N/A 1 FLASH
CALL FOR
HEATING
GREEN N/A
3 FLASHES
PRESSURE SENSOR
SPAN ERROR
RED 5 MINUTES
RAPID
FLASH
FIELD TEST MODE AMBER N/A 2 FLASHES
CALL FOR
COOLING
GREEN N/A
4 FLASHES
HIGH LIMIT
SWITCH OPEN
RED
MAXIMUM
RECOVERY TIME
-
1 HOUR AFTER
MAX TRIPS
EXCEEDED
1 FLASH LOW FLAME SENSE AMBER N/A 3 FLASHES
CONTINUOUS
FAN OPERATION
GREEN N/A
5 FLASHES
FLAME PRESENT
WITH GAS VALVE
OFF
RED 5 MINUTES