1028461A
(Replaces 10284610)
08/19
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
WIRING DIAGRAM
Gas Direct Ignition Furnace, Heating & A/C Ready, MG1E All Models.
NOTES:
1. Incoming power must be polarized. Observe color coding. (See furnace data label for electrical information.)
2. If any of the original wires (as supplied with the appliance) must be replaced, use 105˚C Thermoplastic type wire or its equivalent.
3. A wire from “Y” on the thermostat to the furnace is required.
C
H
L1
XFRM
NEU
1
2
3
4
5
6
7
8
9
6
54
3
2
1
W
COM
24V
C
R
G
FURNACE ELECTRICAL BOX
ON/OFF
SWITCH
PRESSURE
SWITCH
HI-LIMIT
AUX. LIMIT
1
1
2
2
IGNITOR
COMBUSTION
FAN
TRANS-
FORMER
24V
115V
N
C
L
R
GROUND
SCREW
GROUND
SCREW
GAS VALVE
NEUTRAL
L1
WIRE NUTS
SUPPLIED
BY
INSTALLER
1 2 3 4 5 N L C G
ECM
BLOWER
MOTOR
G
W
Y
R
C
CONTROL
LIGHTS
1
2
1
2
BLACK
BLACK
1 2 3 4 5 6
1 2 3 4 5 6
MOTOR
CHOKE
BLACK
BLACK
YELLOW
Steady ON Good Flame Signal
Blinking Weak Flame Signal
Steady OFF No Flame Signal
RED
Steady ON Control OK
Steady OFF No Power
Rapid Flash False fleam or internal control fault
1 Flash Limit switch is open
2 Flashes Pressure switch is open with inducer on
3 Flashes Pressure switch is closed with inducer off
4 Flashes Lockout due to failed ignition
5 Flashes 115 vac & neutral reversed
CONTROL LIGHT STATUS
WHITE
YELLOW
RED
GRAY
GREEN
BLUE
BLUE
BLUE
GREEN
GREEN
RED
YELLOW
WHITE
BLACK
GRAY
BLACK
BLACK
WHITE
BLACK
BLACK
YELLOW
YELLOW
WHITE
BLACK
RED
GRAY
BLACK
BLACK
ORANGE
ORANGE
*Refer to blower table for factory heating speed.
RED
YELLOW
WHITE
BLACK
GRAY
