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ELECTRICAL
iNFORMATiON
O
LU
Z
C3 __
zo
_
_o_-_
b_ z
_uz
o_
z
FAN SPEED
z
i BBBBB B
HEAT
COOL
NOT USED'--_IO
O0
O00
I
EXPANSION
PORT
CONNECTION
TO
FURNACE CONTROL-='_IO
O O O O O I
BOARD
d3
nl
CO
MOTOR
WIRE
Z
LU
HARNESS
8
_ S
!
rr
_
z
I0o00o0oo]
STATUS
Figure 30. Two=Stage Fixed Speed
Motor Control
Board
FOR WIRING
TO THE
MOTOR CONTROL
._
_
(5
-_
_
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rr
BOARD
AUTO
HIHIHIH
HIHIHIHIH
1
STAGE
"ONEN
SHORTI;I
EXPANS,ON
LONG Inl
THERMOSTAT
CONNECTIONS
PORT
L_J
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GREEN RED
_ELLOW
_ _
(FLAME)
OFF
0
DELAY
io 1180
Ull
INPUTS
NEUTRALS
LU _
_
_
Z
×
_
_
x
Figure 32. Two=Stage Furnace Control Board
_
W OUT
_
Y/Y2 OUT
_
Y1 OUT
°_H
OUT
_s
Z
NOT FOR
FIELD USE
R
;
Iooooool
EXPANSION PORT
Iooooool
CONNECTION
TO
FURNACE CONTROL
BOARD
STATUS LIGHTS
(5
L2-OUT
L2-1N
LI-IN
LI-OUT
DD
Z_U_a-
__ _:
FAN SPEED
O--
HEAT
COOL
SENSOR
F
GROUND
10 O O O O O O O]
FOR
USEwITH
IO
MOTOR WIRING
OUTDOOR
UNITS
HARNESS
Figure 31. Two-Stage Variable Speed
Motor Control Board
40
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