Electrical Information; Motor Control Board; Figure 29 - Two-Stage Fixed Speed Motor Control Board; Figure 31 - Two-Stage Furnace Control Board - Nordyne TC Upflow/Horizontal Installation Instructions Manual

FURNACE CONTROL
FAN SPEED
1 2 3 4 5 6 7 8
COOL
HEAT
STATUS
Figure 29. Two-Stage Fixed Speed

Motor Control Board

AUTO
STAGE
NONE
SHORT
THERMOSTAT CONNECTIONS
LONG
10 12
11
7 8 9
4 5 6
1 2 3
INPUTS
1 2
Figure 31. Two-Stage Furnace Control Board

ELECTRICAL INFORMATION

NOT USED
EXPANSION
PORT
CONNECTION TO
BOARD
MOTOR WIRE
HARNESS
FOR WIRING TO THE
MOTOR CONTROL
BOARD
EXPANSION
PORT
GREEN RED
YELLOW
(FLAME)
60
BLOWER
90
OFF
120
DELAY
180
NEUTRALS
3 4 5
W1
W_OUT
Y/Y2_OUT
Y1_OUT
H_OUT
NOT FOR
FIELD USE
R
C
EXPANSION PORT
CONNECTION TO
FURNACE CONTROL
BOARD
Figure 30. Two-Stage Variable Speed
STATUS LIGHTS
FAN SPEED
1 2 3 4 5 6 7 8
HEAT
MOTOR WIRING
HARNESS
Motor Control Board
L2-OUT L2-IN
L1-IN
L1-OUT
DHUM_IN
Y1_IN
COOL
SENSOR
GROUND
FOR USE
WITH IQ
OUTDOOR
UNITS
41