Nordyne 045C-23ASA, Installation Instructions Manual

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30
Figure 17. Wiring Diagram for Upfl ow and Downfl ow Furnaces
IGNIT
OR INDUCER FLAME SENSOR
C
VENT
LIMIT SWITCH
(ON SELECT
MODELS)
DOOR
SWITCH
R
4 SPEED MO
T
O
R
WHITE
RED
BLUE
ORANGE
BLACK
FLAME
R
OLL-OUT
SWITCH
GAS
VA
LV
E
H
MH
ML
L
C
BLO
WER
LIMIT
SUPPL
Y
AIR LIMIT
BLO
WER
LIMIT
PRESSURE
SWITCH
(ON SELECT
MODELS)
PRESSURE
SWITCH
R C Y G W
GREEN
HIGH
COOL
FAN
HEAT
MH ML LO
W
RED
YELLO
W
BL
WR OFF
DELA
Y
LOW
ML
MH
HIGH
EAC
L1
XFMR
HUM
1 2 3
4 5 6
7 8 9
1 2 3
4 5 6
COM
3 AMP FUSE
24V
24 V
120 V WHITE
BLA
CK
WHITE W/
BLK
STRIPES
BLK W/ WHITE
STRIPES
11 22 33 44 55 66 77 88 99
NEUTRALS
L1A
1234 1234
GREEN
GR
OUND
BLA
CK
BLA
CK 120V
WHITE
WHITE (NEUTRAL)
ORANGE
BLUE
YELLO
W
YELLO
W
RED ORANGE
BLA
CK
WHITE BLUE
ORANGE
BLA
CK
RED
BLA
CK
BLA
CK
BLA
CK
BLUE
BLUE BLUE
BLUE
BLUE
ORANGE
BLUE
GREEN
BLUE
BLACK
BLA
CK
WHITE
BLACK
WHITE
WD#710731-C
FIELD WIRING
LEGEND:
LO
W V
O
LT
A
G
E
HIGH V
O
LT
A
G
E
For 80+ and 90+ Single Sta
g
e
Furnaces
SINGLE ST
A
G
E
THERMOST
A
T
TO OUTDOOR UNIT
If an
y of the origInal wire as supplied with the
furnace m
u
st be replaced,
it m
u
st be replaced
with wiring material ha
ving a temperature
rating of at least 105° C. Use copper conductor
s onl
y
.
Ref
er to the Installation Instructions
pr
o
v
ided with the furnace f
o
r the
pr
oper heating and cooling speeds
for y
o
ur application.
Gr
een LE
D
R
ed LE
D
Control Fault (No Power)
O
ff
O
ff
L1 / Neutral Polarity
Fault
F
las
h
Flas
h
1 Hour Loc
k
out
Normal O
peration
O
n
O
n
P
re
ssu
re
S
w
it
ch
C
lo
s
e
d
Fa
u
lt
O
n
F
la
sh
Pres
s
u
re Switc
h
O
pen Fault
F
las
h
O
n
O
pen Limit Switc
h
Fault
F
las
h
O
ff
Low Flame Sens
or Signal
Flame Pres
ent
Diagnostic Description
FAULT CONDITIONS
Diagnostic Description
Y
e
llow LE
D
Continuous
Flas
h
On
Alternating Flas
h