51
WIRING DIAGRAM—ALL WFM19
Check codes for proper wiring and circuit protection before installation.
NOTES:
1. Set heat anticipator on room thermostat at 0.7 amps.
2. Manufacturer’s specified replacement parts must be used when
servicing.
3. If any of the original wire as supplied with the furnace must be
replaced, it must be replaced with wiring material having a
temperature rating of at least 105ºC. Use copper conductors
only.
4. Blower speeds should be adjusted by installer to match the
installation requirements to provide the correct heating
temperature rise and the correct CFM (see Spec Sheet for airflow
chart).
5. Furnace must be permanently grounded and conform to NEC
and local codes.
6. To recall the last 5 faults, most recent to least recent, depress
switch for more than 2 seconds in standby (no thermostat
inputs).
Goodman 6 Long
HIGH VOLTAGE!
WARNING
Disconnect ALL power before servicing.
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.
Low Voltage (24V)
High Voltage (115V)
Junction
Terminal
Internal To
Integrated Control
Plug Connection
Equipment GND
Field GND
Field Splice
Switch (Temperature)
Igniter
Pressure Switch
Overcurrent
Prot. Device
High Voltage Field
Color
Gray:
White:
Black:
Red:
Blue:
Orange:
Yellow:
Green:
Pink:
Azure:
Violet:
Brown:
Symbol
GY
W
BK
R
BU
OR
Y
G
PK
A
V
BR
Low Voltage Field
0
C
7
6
5
4
3
2
1
8
Steady On =
Off =
1 Flash =
2 Flashes =
3 Flashes =
4 Flashes =
5 Flashes =
6 Flashes =
7 Flashes =
8 Flashes =
Continuous/
Rapid Flashes =
Normal Operation
Control Failure
System Lockout (Retries Exceeded)
Pressure Switch Stuck Closed
Pressure Switch Stuck Open
Open High Limit Switch
Flame Sense without Gas Control Valve
Open Rollout Limit Switch or Open Fuse
Low Flame Signal
Check Igniter or Improper Grounding
Reversed 115 VAC Polarity
24 VAC
Humidifier
24V Thermostat
Connections
R
C G
W Y
Integrated
Control
Module
Fuse
2nd
Stage
Delay
Mode
Heat
Off
Delay
Factory Settings Shown
Diagnostic
LED
See Note 6
115 VAC HOT and PARK Terminals
HEAT-H
See Note 4
Circulator
Blower
Blower Compartment
Burner Compartment
Induced Draft Blower
Auto Reset
Primary Limit
Control
Induced Draft
Blower Pressure
Switch
Manual Reset Rollout Limit Control(s)
(Single Control On 45k Btu)
2-Circuit
Connector
Hot
Surface
Igniter
Gas Control Valve (Honeywell)
Front Cover
Pressure Switch
WARNING:
Disconnect Power
Before Servicing.
Wiring to Unit Must
Be Properly Polarized
and Grounded.
Flame
Sensor
Integrated C
ontrol M
odule
To 115 VAC/10/60 Hz Power Supply
with Overcurrent Protection Device
WARNING: Disconnect Power Before Servicing.
Wiring to Unit Must Be Properly Polarized
and Grounded.
Junction Box
Disconnect
To 115 VAC/10/60 Hz
Power Supply with
Overcurrent Protection
Device
Disconnect
Junction Box
Door
Switch
Flame Sensor
Hot Surface Igniter
Induced Draft
Blower
Circulator
Blower
Electronic
Air Cleaner
Induced
Draft Blower
Pressure
Switch
Front Cover
Pressure Switch
Auto Reset
Primary
Limit
Controls
Manual Reset Rollout
Limit Control(s)
(Single Control on 45 kBtu)
40 VA
Transformer
Manual Reset Auxiliary
Limit Controls
Integrated
Control Module
Gas
Control
Valve
Humidifier
Blower Compartment
Door Switch
(Open When
Door Open)
24V
Therm
ostat at C
onnections
To
Micro
Integrated C
ontrol M
o
dule
Line N
eutrals
Manual Reset
Auxiliary Limits (1)
in Upflow Blower
Deck
TR(6)
RO1(5)
RO2(11)
HLO(1)
HLI(7)
MVC(9)
GND(8)
PSO(4)
PS(10)
MVH(12)
MVL(2)
TH(3)
GND
LINE-H
XFMR-H
R
BU
GY
BK
G
GND
BK
GND
L
N
W
W
Y
BU
PR
R
OR
PK
W
FS
HI
HE
AT-H
LO
HEA
T-H
IND
IGN
EAC-H
115 VAC
24 VAC
OR
W
BU
Y
OR
R
G
BR
PK
PK
GY
W
GY
OR
BU
Y
OR
OR
GY
R
OR
GY
W
OR
G
BR
BR
OR
GY
PR
GY
COOL-H
115 VAC Neutral
Terminals
W
PK
W
OR
BK
W
W
W
OR
BK
R
GND
OR
OR (MED)
BU (MED HI)
R (MED LOW)
Y (LOW)
BK (HI)
