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Figure 23. Power Vent Kit Wiring example
7.E Wiring Connections, Power Vent and Air
L N 1 2 4
Example: Laars Power Vent Kit Wiring to JX
Laars Power Vent Kit
Example: Typical Zone Pump Control Wiring to JX for Anti-condensing protection
L N 1 2 4
Example: Fields Controls CAS-4 Wiring to JX
Combustion Air System
Example: Laars Power Vent Kit and Fields Controls CAS-4 Wiring to JX
Combustion Air System
Laars Power Vent Kit
L1 N T1 T2 T3
L1 N T1 T2 T3
L N 1 2 4
Example: Fields Controls CAS-4 Wiring to JX
Combustion Air System
Example: Laars Power Vent Kit and Fields Controls CAS-4 Wiring to JX
Combustion Air System
Laars Power Vent Kit
L1 N T1 T2 T3
L1 N T1 T2 T3
L N 1 2 4
Example: Fields Controls CAS-4 Wiring to JX
Combus
�
on Air System
Example: Laars Power Vent Kit and Fields Controls CAS-4 Wiring to JX
Combus
�
on Air System
Laars Power Vent Kit
L1 N T1 T2 T3
L1 N T1 T2 T3
Terminals
2 and 3
are both 120V
Neutral
Terminals
2 and 3
are both 120V
Neutral
Terminals
2 and 3
are both 120V
Neutral
Terminals
2 and 3
are both 120V
Neutral
120 VAC
UC-1 Power Vent Kit Control Panel
UC-1 Power Vent Kit Control Panel
UC-1 Power Vent Kit Control Panel
120 VAC
120 VAC
24 VAC
24 VAC
24 VAC
Figure 24.
Combustion Air System
wiring example
Figure 25. Power Vent Kit
and Combustion
Air System wiring
example
TB1
TB1
TB1
WARNING
No Power to be applied to terminals 10-12 of TB1.
Sensor Connections Only!
LAARS Heating Systems
