Nordyne *TC Installation Instructions Manual page 42

Two-stage condensing gas furnaces with fixed & variable speed blowers
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4_
PO
o_
5"
¢Q
¢Q
3
o
¢Q
¢D
X
¢D
O_
"0
¢D
Q.
0
0
For 80+ and 90+ 2-Stage
Fixed Speed Downflow
Furnaces
Refer to the Installation
Instructions
This wiring diagram
shows connections
and
If any of the original wire as supplied with the
)rovided
with the kit for the proper
termination
required for the blower kit only.
furnace
must be replaced,
it must be replaced
heating and cooling speeds for your
Use in addition
to the wiring diagram for the
with wiring material having a temperature
application,
furnace,
rating of at least 105 ° C.
Use copper conductors
only.
HIGH
PRESSURE
SWITCH
LOW
PRESSURE
;!i
,I_--,_GREEN
m
=
120V
BkWR OFF _
DB.AY
LEGEND:
IGNITOR
FAULT CONDITIONS
Diagnostic
Description
Control Fault (No Power)
L1 / Neutral Polarity Fault
1 Hour Lockout
Normal Operation
Pressure Switch Closed Fault
Pressure Switch Open Fault
Open Limit Switch Fault
Motor Fault
Dia_lnostic Description
Low Flame Sensor Signal
Flame Present
Green LED
Red LED
Off
Off
Flash
Flash
Alternating
Flash
On
On
On
Flash
Flash
On
Flash
Off
On
Off
Yellow LED
Continuous
Flash
On
PART OF
RED
MOTOR
MOTOR
CHOKE
(ON 3/4 AND
1HP
MODELS
ONLY
COMMON
_oD_
NON_
leeeel
rl
R
C
YI
DEHUM
TWIN
TORQUE
MOTOR
L_
YELLOW
YELLOW
!1
--RED@
REDI
=BM,_IC_B4_C_
ORA
ORANGE
BLU-_ "E
BLUE
BLUE
_
BLACK
I
BLOWER
BLOWER
DECK
BLOWER
BLUE
FIELD WIRING
....
LOW VO LTAGE
HIGH VOLTAGE i
7109170
0409

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