Wiring Diagram; Description Of Components - Nordyne TA-060C-08A Installation Instructions Manual

ately after the limit switch opens. If the furnace
operates for more than four minutes with no
return air, set the thermostat to a temperature
below room temperature, shut off the power to
the furnace, and replace the limit switch.
For Upflow and Downflow Series Residential Furnaces
BLUE
BLOWER DECK
LIMIT SWITCH
Legend
Field Wiring
Factory Wiring:
Low Voltage
High Voltage
TWO STAGE ROOM
C
AIR CONDITIONER
Y
CONDENSING UNIT
BROWN
Hi Lo C
Gas Valve
2
YELLOW
N.O
5
N.C
1
BROWN
24V
DPST
RELAY
FAULT CONDITION
Power On
Limit Circuit Open or External Load On "W"
Pressure Switch is Open with Inducer On
Pressure Switch is Closed with Inducer Off
Ignition Failure (Check Ground)
115 VAC & Neutral Reversed or no Ground
False Flame or Gas Valve Relay Shorted
Power Off
FAULT CONDITION
Low Flame Sensor Signal
Flame Present
Figure 35. Wiring Diagram for Upflow and Downflow Models
34
BLUE
BLUE
BLUE
SUPPLY AIR
FLAME ROLL-OUT VENT
LIMIT SWITCH
SWITCH SAFETY SWITCH
WHITE (NEUTRAL)
BLACK 120V
GROUND
SINGLE OR
THERMOSTAT
R
Y
G
W
W2
CLOSED END CONNECTOR
DO NOT REMOVE
FLAME SENSOR
YELLOW/BLACK
YELLOW
4
RED (Low Fire)
6
BLUE (High-Fire)
3
BROWN
STATUS
RED
LIGHT
ON
1 FLASH
2 FLASHES
3 FLASHES
4 FLASHES
5 FLASHES
Continuous
OFF
FLAME
YELLOW
LIGHT
Continuous
Flash
ON

DESCRIPTION OF COMPONENTS

Figure 36 shows the location of each of the
functional components described below. Also,
refer to the Sequence of Operation Section of
this manual. If any component of the furnace
BLUE
PRESSURE
SWITCH
ORANGE
WHITE
GREEN
WHITE W/BLK STRIPES
BLK W/ WHITE STRIPES
BLOWER OFF
COM
3 AMP FUSE
24 V
9 6 3
8 5 2
RED 7 4 1
YELLOW
BROWN
NEUTRALS
EAC
HUM
IGNITOR
6 3
5 2
1 2
4 1
1 2
BLACK
BLACK
BLACK
R
C
BLACK
INDUCER
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 105° C.
Use copper conductors only.
ORANGE
BLACK
BLOWER DOOR
SWITCH
TRANSFORMER
WHITE
120 V
24 V
BLACK
TWIN
3 OR 4 SPEED
MOTOR
C
H
MH
ML
L
BLACK
BLACK
THESE WIRES ARE NOT
PRESENT ON ALL MODELS
1 1 RED
2 2
ORANGE
3 3
BLUE
BLACK 4 4
BLACK
5 5
WHITE 6 6
WD#7105460