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QHT
B3-B9 installation instructions
Models:
B3-B9
1
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Install
Boiler Tapping Diagram
Maintenance
Wiring
Burner Setup
Boiler Block Assembly
Safety
Switch Gas systems only
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Contents
Manufactured by Biasi S.p.A Verona, Italy Distributed By
Phone FAX
Page
Table of Contents
Important Information
Please read this page carefully
Page
Homeowner Information for Gas
To Start UP the Appliance
Trim Kit Components
General Information
Gas systems only
Boiler Block Assembly
Do not Over Tighten Draw Rods
Boiler Location
Installation of Boiler Trim Components
Switch Gas systems only
Installation of Boiler Trim Components
Boiler Tapping Diagram
Safety Relief Valve
Piping the Boiler
Intake Venting
Figure a
Exhaust Venting
Common Exhaust Venting
Blocked Flue Switch
Gas Venting
Oil
Burner Setup
Gas
Oil Burner Setup
Burner Manufacturer
Gas Burner Setup
Installation of Sediment Trap and Burner Supply
Gas Line Piping
Boiler Jacket Assembly
Wiring
7248U Wiring Procedure
Oil Burner Wiring
Riello OIL BURNER, SR504, Control Wiring with DHW Priority
Riello OIL BURNER, AZ-4P, Control Wiring with DHW Priority
Carlin OIL BURNER, SR501, Control Wiring with DHW Priority
Page
Heatwise SU-2A, SR503, Control Wiring with DHW Priority
Page
Maintenance
Commissioning
Installer Notes
System Checkout
Page
Page
Tear on this Line
