Nordyne G7XA Series, Installation Instructions Manual

Page: 24 / 28

24
ELECTRICAL INFORMATION
IGNIT
OR
INDUCER
FLAME SENSOR
C
DOOR
SWITCH
R
GAS
VA
LV
E
R C Y G W
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
BL
WR OFF
RELA
Y
24 V
208/240 V
1234 1234
L1A
NEUTRALS
GREEN
YELLO
W
RED
R
C
TX
RX
W
COM
1 2
1 2
1 2
1 2
3/4 AND 1 HP MO
T
ORS ONL
Y
BLA
CK
BLA
CK
11 22 33 44 55 66 77 88 99
RED ORANGE YELLO
W
GREEN BR
O
W
N
R
C
Y1
TWIN
DEHUM
HP(PWM)
SPEED
COMMON
PWM
MODE
NONE NONE
MO
T
O
R
CONTR
OL
BO
ARD
1185-200
R C
GND
RX
TX
W
W
W TX RX GND C R
TX RX
R C
W
COM
T
ORQ
UE
BLACK
RED
LIMIT
SWITCH
LIMIT
SWITCH
TX RX
R C
COM
W
BLUE
BLA
CK
WHITE
BLUE
BLUE
BLUE
VENT LIMIT
(ON SELECT MODELS)
FLAME
R
OLLOUT
SUPPL
Y
AIR LIMIT
BLUE
BLUE
BLUE
BLUE
PRESSURE
SWITCH
PRESSURE
SWITCH
ORANGE
ORANGE
ORANGE
BLA
CK
WHITE
CONDENSA
TE
(ON SELECT
MODELS)
SINGLE ST
A
G
E
THERMOST
A
T
TO OUTDOOR UNIT
COOL
FAN SPEED
HEAT
HIGH
COOL
FAN
HEAT
MH ML LO
W
GREEN
BLA
CK
WHITE
YELLO
W
YELLO
W
BLA
CK
RED
BLA
CK
BLA
CK
BLA
CK
GREEN
BLACK
BLA
CK
WHITE
BLACK
WHITE
RED
GREY
WHITE
BLA
CK
WHITE (NEUTRAL)
BLA
CK 208/240V
GR
OUND
For 80+ and 90+ Expor
t Furnaces
Ref
er to the installation instructions
pr
o
vided with the kit f
o
r the pr
oper
heating and cooling speeds f
or y
our
application.
WD#710807-C
FIELD WIRING
LEGEND:
LO
W V
O
LT
A
G
E
HIGH V
O
LT
A
G
E
If an
y of the original wire as supplied with the
furnace m
u
st be replaced,
it m
ust be replaced
with wiring material ha
ving a temperature
rating of at least 105° C. Use copper conductor
s onl
y
.
G
reen LED
R
ed LED
Control
Fault (No Pow
e
r)
Of
f
O
ff
L1 / Neutr
a
l Polar
ity
Fault
F
las
h
Flas
h
1 Hour
Loc
k
o
ut
Norm
al Operation
O
n
O
n
Pr
es
s
u
re Sw
itc
h
Clos
ed Fault
O
n
F
las
h
Pr
es
s
u
re
Sw
itc
h
O
p
en F
a
ult
F
las
h
O
n
O
p
en Lim
it Sw
itc
h
Fault
F
las
h
O
ff
Low
Flam
e Sens
or
Signal
Flam
e Pr
es
ent
Diagnostic Description
FA
ULT
CONDIT
IONS
Continuous
Flas
h
On
Alter
n
ating Flas
h
Y
e
llow
LED
Diagnostic Description
Figure 17. Wiring Diagram for G7XA Upfl ow Furnace