QHT B3-B9 installation instructions Homeowner Information for Gas, To Start UP the Appliance

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Homeowner Information for Gas

TO START UP THE APPLIANCE

1.STOP! Read the safety information on the side of the boiler. DO NOT START THE BOILER UNLESS ALL CLEANOUT DOORS ARE SECURED AND SEALED. (Skip to step 9 for oil burning boilers)

2.Set thermostat to lowest setting

3.Turn off all electric power to the appliance

4.Do not attempt to light the burner by hand

5.Turn the manual shut off on the combination gas valve clockwise to the off position.

6.Wait five minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP!

Do not try to light any appliance

Do not touch any electric switch; do not use any phone in your building

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you can not reach your gas supplier call the fire department

7.If you don’t smell gas, go to the next step.

8.Return the manual valve on the combination gas valve to the on position by reversing step “5”.

9.Turn on all electric power to the appliance.

10.Set thermostat to the desired setting.

11.If the burner fails to light you may press the reset button once. If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas supplier. DO NOT ATTEMPT TO START THE BURNER WHEN EXCESS GAS HAS ACCUMULATED, WHEN THE UNIT IS FULL OF VAPOR, OR WHEN THE COMBUSTION CHAMBER IS VERY HOT.

NOTE: ALWAYS KEEP THE MANUAL FUEL SUPPLY VALVE SHUT OFF IF THE

BURNER IS SHUT DOWN FOR AN EXTENDED PERIOD OF TIME.

TO TURN OFF GAS APPLIANCE

1.Set the thermostat to the lowest setting.

2.Turn off electric power to the appliance if service is to be performed.

3.Turn the gas control valve to the off position.

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Image 6 Contents
Manufactured by Biasi S.p.A Verona, Italy Distributed By Phone FAXPage Table of Contents Important Information Please read this page carefullyPage Homeowner Information for Gas To Start UP the ApplianceGeneral Information Trim Kit ComponentsGas systems only Boiler Block Assembly Do not Over Tighten Draw RodsBoiler Location Installation of Boiler Trim Components Switch Gas systems onlyInstallation of Boiler Trim Components Boiler Tapping DiagramSafety Relief Valve Piping the BoilerIntake Venting Figure a Exhaust Venting Common Exhaust VentingBlocked Flue Switch Gas Venting Burner Setup OilGas Oil Burner Setup Burner ManufacturerGas Burner Setup Installation of Sediment Trap and Burner Supply Gas Line PipingBoiler 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 CommissioningInstaller Notes System CheckoutPage Page Tear on this Line