Install Instructions

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Figure
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Description
Section I - Product Description, Specications & Dimensional Data
Figure 1 5 Line Drawing
Section II - Pre-Installation & Boiler Mounting
Figure 2 7 Minimum Clearances
Section III - Gas Piping
Figure 3 8 Recommended Gas Piping
Section IV - Boiler Water Piping
Figure 4 9 Near Boiler Piping
Figure 5 10 Recommended Water Piping for Zone Valve Zoned Heating Systems
Figure 6 11 Recommended Water Piping for Circulator Zoned Heating Systems
Figure 7 12 Recommended Piping for Combination Heating & Cooling (Refrigeration) Systems
Figure 8 12 Recommended Probe LWCO Location
Figure 9 13 Recommended Auxiliary Limit Location
Section V - Venting
Figure 10 14 Blocked Vent Switch Installation Diagram
Figure 11 15 Plug-in Damper Installation
Figure 12 16 Typical Vent Installation
Section VI - Electrical
Figure 13 19 Connection Diagram Schematic, Intelligent Hydronic Control
Figure 14 20 Ladder Diagram Schematic, Intelligent Hydronic Control
Figure 15 21 Wiring Schematic, Zone Valves
Figure 16 21 Wiring Schematic, Zone Circulators
Section VII - Start-up and Checkout
Figure 17 22 Schematic Pilot and Gas Piping
Figure 18 22 Top View of VR Gas Valves
Figure 19 23 Operating Instructions, VR8204 and VR8304 Gas Valves
Figure 20 24 40mm Main Burner Flame
Figure 21 24 1 Inch Main Burner Flame
Figure 22 25 Typical Pilot Flame, Honeywell Q3481B
Section VIII - Operation
Figure 23 27 Intelligent Hydronic Control
Figure 24 27 Boiler Display
Section IX - Service and Maintenance
Figure 25 31 Cleaning of Vent System and Boiler Flues
Figure 26 32 Burner Cleaning and Installation
Section X - Troubleshooting
Figure 27 34 Using Control Display to Troubleshoot Series 2 Boiler
APPENDIX A - FIGURES