17
For the Installer
Field wiring
remote control
(see notes 3 & 4)
120 V, 60 Hz
W1
J5
J7
J6
J4
ELECTRONIC
ASSEMBLY
1
2
3
1
2
1
2
1
2
3
1234
12
12345
12345
J8
J9
J11
J10
12
J12
J13
J14
10
9
8
7
6
5
4
3
2
1
B
24 V
class 2
9.5 V
class 2
120V, 60Hz
Neutral
120 V, 60Hz
Line
CPU
K2
K4
K5
J5-2
J10-1J10-2
Line voltage factory wiring
Class 2 low voltage factory wiring
Class 2 low voltage field wiring
See note 1
120 V
100 V
68 V
neutral
Exhaust fan
motor
1234512
12
J3
J2
J1
t˚
Damper motor
B
Override
switch
Furnace blower interlock
J14-1: NO
J14-2: COM
J14-3: nc
(optional; see notes 3 & 5)
DAMPER
ELECTRONIC ASSEMBLY
Defrost
temperature sensor
WIRING DIAGRAM
LOGIC DIAGRAM
Exhaust fan motor
Supply fan motor
J5-1
J5-3
J7-2
J7-1
J4-1
J4-3
J6-2
J6-1
K1
K3
K2
24 V
class 2
9.5 V
class 2
120 V
100 V
68 V
neutral
J9-1
J9-2
J9-3
J4-2
J9-4
Exhaust fan motor
capacitor
Supply fan motor
capacitor
J8-1
J8-2
J8-4
J8-5
K4
J12-2
J12-1
A1
Damper motor
J3-2
J3-1
J2-2
J2-1
F1
J12-5
J12-4
J12-3
J2-3
J2-4
J2-5
J11-2
J11-1
K1
K3
K5
J14-3
J14-1
J14-2
Furnace
blower
interlock
(optional; see
notes 3, 5)
J14-4
J14-5
J14-6
J14-7
J14-8
J14-9
J14-10
Override
switch
(optional; see
notes 3, 4)
Field wiring
remote
control (see
notes 3, 4)
ICP
B
YRG
B
W
BL
R
G
B
BL
BN
BN
B
B
B
B
B
BL
Exhaust fan
motor
capacitor
Supply fan
motor
capacitor
Supply fan
motor
G
G
BN
BN
Y
Y
B
W
A2
A2
M3
T1
R1
A1
F1
M1
C1
C2
M2
(optional; see
notes 3 & 4)
VE0086A
Critical characteristic.
JU1
123
MED HI
321
HI MED
JU1
FAN MOTORS SPEED SELECTION
NOTES
1.
Use specified UL listed/CSA Certified line fuse
(3A, 3AG Type).
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 controls (class 2 circuit) available,
see instruction manual.
5. Furnace fan circuit must be class 2 circuit only.
Ref
2
Ref
1
Ref
1
MED-HI
R LO
Ref
2
62 V
nc
nc
83 V
O
P
62 V
R
MED-LO
BL
83 V
MED
P
O
O
B HI
CAUTION: You can change REF 1 or REF 2, but not both at the
same time. If you do change REF 1 and REF 2 you
will inverse fan motor speeds.
REF 1 ORG REF 1 RED REF2 FAN SPEEDS CFM MAX
Factory shipped
ORG to ORG RED to RED HI (120 V) & LO (62 V) 160
ORG to ORG RED to RED MED-HI (100 V) & LO (62 V) 140
JU1
123
JU1
123
COLOR CODE
B BLACK
BL BLUE
BN BROWN
G GREEN
O ORANGE
P PURPLE
R RED
W WHITE
Y YELLOW
nc no connection
AVS E15 HRV AND 90H-V+ UNITS
⚠WARNING
• 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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