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120V, 60Hz
Neutral
120V, 60Hz
Line
CPU
K2
K4
K5
J5-2
J10-1J10-2
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
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
A2
Damper motor
J3-2
J3-1
J2-2
J2-1
F1
J12-5
J12-4
J12-3
J2-3
J2-4
J2-5
Door interlock switch
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)
MED
LO
1
2
3
HI
MED
JU1
Ref
1
9.5V
class 2
YEL
neutral
YEL
24V
class 2
ORG
120V
106V
81V
GRY
WHT
RED
BLK
ORG
ORG
PRP
BLU
71V
64V
57V
120V
106V
81V
GRY
WHT
RED
BLK
ORG
PRP
BLU
71V
64V
57V
nc
nc
nc
(6)
LOGIC DIAGRAM
A10002
Fig. 18 -- ERV / HRV Wiring Diagram
ERV / HRV