Install Instructions
Table Of Contents
- Cover
- TABLE OF CONTENTS
- SECTION 1 GENERAL INFORMATION
- SECTION 2 LOCATING THE BOILER
- SECTION 3 AIR AND VENTING
- SECTION 4 GAS CONNECTIONS
- SECTION 5 PUMP REQUIREMENTS
- SECTION 6 WATERCONNECTIONS
- SECTION 7 ELECTRICAL AND WIRING DIAGRAMS
- SECTION 8 THE DIGITAL DASHBOARD
- SECTION 9 INITIAL STARTUP
- SECTION 10 MAINTENANCE
- SECTION 11 OPERATING DETAILS AND TROUBLESHOOTING
- SECTION 12 REPLACEMENT PARTS
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Figure 17. - 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
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
LAARS Heating Systems
Figure 18. - Combustion Air System
wiring example
Figure 19. - Power Vent Kit
and Combustion
Air System wiring
example










