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6. WIRING DIAGRAM
16
WARNING
!
WIRING DIAGRAM
Critical characteristic.
NOTES
1. Use specified UL listed/CSA Certified line fuse.
2. If any of the original wire, as supplied, must
be replaced, use the same equivalent wire.
3. Field wiring must comply with applicable
codes, ordinances and regulations.
4. Remote control (class 2 circuit) available,
see instruction manual.
COLOR CODE
BK BLACK
BL BLUE
BN BROWN
G GREEN
RRED
WWHITE
Y YELLOW
nc no connection
OORANGE
P PURPLE
Line voltage factory wiring
Class 2 low voltage factory wiring
Class 2 low voltage field wiring
J11
12
T1
24 V
Class 2
9.5 V
Class 2
O
O
Y
Y
120 V
106 V
81 V
71 V
Neutral
W
BK
BL
P
BN
R
nc
nc
BN
P
BL
J8
12345
J14
10
9
8
7
6
5
4
3
2
1
J13
ICP
1 2 3 4 5
J12
J9
1234
3A
3 AG Type
21
J10
ELECTRONIC ASSEMBLY
A1
F1
Override switch
(optional; see
notes 3 & 4)
R1
Thermistor
J2
J1
1234512
J3
12
A2
DAMPER
ELECTRONIC ASSEMBLY
M2
Damper
Motor
BK
BK
BK
W
G
120 Volts AC
60 Hz
J6
J4
2
1
1
2
3
BK
BL
BN
Fan motor
M1
C1
Motor
capacitor
BK
BK
BK
G
Y
BK
G
R
Y
OL
OC
I
Field wiring
remote control
(see notes 3 & 4)
See note 1
120 V AC
Line
Neutral
J10-2 J10-1
F1 K2
K3
Fan motor M1
M
M
Damper motor M2
J4-1 J4-2
C1
Motor capacitor
J4-3J6-1 J6-2
J9-4
A2
J2-1 J3-1
J2-2 J3-2
J12-1
J12-2
K4
J8-2
J8-1
J8-5
J8-4
9.5 V AC
24 V AC
T1
nc nc
106 VAC
81 VAC
71 VAC
J9-3
J9-1
~
~
+-
CPU
K4K3K2
LOGIC DIAGRAM
VE0291A
R
Furnace blower
interlock (optional;
see notes 3 & 5)
5. Furnace fan circuit must be class 2 circuit only.
• Risk of electric shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source.
• This product is equipped with an overload protection (fuse). A blown fuse indicates an overload or a
short-circuit situation. If the fuse blows, unplug the product and check the polarity and voltage output from the
outlet. Replace the fuse as per the servicing instructions (refer to wiring diagram for proper fuse rating) and
verify the product. If the replaced fuse blows, it may be a short-circuit and the product must be discarded or
returned to an authorized service center for examination and/or repair.
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