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QHT Direct Vent DVF-4 Rigid Installation Manual

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DIRECT VENT ADDENDUM
SAINT ROCH UNIVERSAL BOILERS
Installation Manual For The Following Kits:
DVF-4 Rigid Kit for Bio, #2 Fuel Oil and Gas
DVO Flexible Kit for Bio, #2 Fuel Oil
If the information in this manual is not followed exactly, a fire
or explosion may result causing property damage, personal
injury or loss of life.
WHAT TO DO IF YOU SMELL GAS:
• 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
• Installation and service must be performed by a qualified
licensed installer, service agency or the gas supplier.
FOR THE FOLLOWING:
BIASI B10 SERIES BOILERS
WARNING
Danger
Distributed By:
QHT, INC.
3560 LAFAYETTE ROAD
BLDG. 2, UNIT A
PORTSMOUTH, NH 03801
PHONE: 603-334-6400
FAX: 603-334-6401
REV. 07/19/2022

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Summary of Contents for QHT Direct Vent DVF-4 Rigid

  • Page 1 • If you can not reach your gas supplier call the fire department • Installation and service must be performed by a qualified licensed installer, service agency or the gas supplier. Distributed By: QHT, INC. 3560 LAFAYETTE ROAD BLDG. 2, UNIT A PORTSMOUTH, NH 03801...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Section Page Important Information and Warnings Homeowner Information For Gas General Information Installation Clearances DVO Flexible Vent Kit (Oil Only) DVO Flexible Vent Kit and Installation DVO Termination Installation DVO Termination Connection DVO Joint Assembly DVO Appliance Connection DVF-4 Rigid Vent Kit (Gas or Oil) DVF-4 Rigid Vent Kit and Installation DVF-4 Installation of Make-Up Air...
  • Page 3 IMPORTANT INFORMATION Please read this page carefully. ALL BOILERS MUST BE INSTALLED IN ACCORDANCE WITH NATIONAL, STATE AND LOCAL PLUMBING, HEATING AND ELECTRICAL CODES AND ORDINANCES, AS WELL AS THE REGULATIONS OF THE SERVING ELECTRICAL, WATER AND GAS UTILITIES. All systems should be designed by competent licensed heating contractors, and only persons knowledgeable in the layout and installation of heating systems should attempt the installation of the B10 boiler.
  • Page 4 WARNING Any appliance that burns natural gas, propane gas, fuel oil, or coal is capable of producing carbon monoxide (CO). Carbon monoxide (CO) is a gas which is odorless, colorless and tasteless but is very toxic. CO is lighter than air and thus may travel throughout the building. BRIEF EXPOSURE TO HIGH CONCENTRATIONS OF CO, OR PROLONGED EXPOSURE TO LESSER AMOUNTS OF CO MAY RESULT IN CARBON MONOXIDE POISONING.

  • Page 5: Homeowner Information For Gas

    Turn the gas control valve to the off position. 1. General Information The QHT Direct Vent components have been designed and packaged so that the Biasi B-10 boilers, Saint Roch UNIVERSAL boilers can be directly vented to the outside. Properly maintained, these boiler systems are unsurpassed in efficiency and will provide years of trouble-free operation.

  • Page 6: Installation Clearances

    2. Installation Clearances Boilers in rooms shall be installed with the clearances from combustible materials not less than indicated below. Combustible materials are those made of or surfaced with wood, compressed paper, plant fibers, plastics, or other material that will ignite and burn, whether flame proofed or not, or whether plastered or not.

  • Page 7: Dvo Flexible Vent Kit And Installation

    3. DVO Flexible Vent Kit and Installation This kit can be used with: Bio and #2 Oil Fuels Vent Installation: 1. Vent Pipe bend radius is 12” minimum 2. Support vent pipe with metal strapping every 36” 3. Maximum wall thickness is 14”. Call Z-Flex for recommendations on thicker walls 4.

  • Page 8: Dvo Termination Installation

    3.1 DVO Termination Installation Termination Installation 1. Determine proper location for termination. 2. Cut an 8-1/2” hole through the wall. 3. Pull apart the inner and outer termination sections 4. From outside the building, insert the outer section through the wall until it rests against the wall.

  • Page 9: Dvo Termination Connection

    3.2 DVO Termination Connection Termination Connection 1. Slide the terminal inner section over the flexible vent pipe. 2. Attach the adaptor as per the joint assembly instructions. 3. Apply a bead of sealant around the flue collar and slide on adaptor and tighten gear clamp.

  • Page 10: Dvo Joint Assembly

    3.3 DVO Joint Assembly JOINT ASSEMBLY 1. Apply Sealant to “threaded” end of the vent adaptor. 2. Insert the threaded end into the vent pipe. Screw the adaptor into the vent pipe in a counter clockwise direction. The adaptor should be inserted fully until it is tight. If it does not completely screw into the vent, unscrew and repeat.

  • Page 11: Dvf-4 Rigid Vent Kit And Installation

    4. DVF-4 Rigid Vent Kit and Installation This kit can be used with: Bio, #2 Oil, LP & Propane Fuels Direct Vent System Terminal Exhaust 2” X 2” Frame Vacuum Relief Valve Combustion Air Boot Typical Installation # Description Part # # Description Part # 1 4”...

  • Page 12: Dvf-4 Installation Of Make-Up Air

    4.1 DVF-4 Installation of Make-Up Air Installation of DVF Make-up Air: Use 4 inch diameter flex pipe that is provided in the kit or a comparable single wall metal pipe. The maximum allowable length of intake pipe is twenty feet not including elbows. 2.

  • Page 13: Installation Of Post Purge Limit

    5. Installation of Post Purge Safety Limit The electricity to the boiler shall come from a dedicated breaker in the electric service box. A service switch should be mounted on the side of the boiler so the burner technician can service the burner and controls.

  • Page 14: Burner Setup

    6. Burner Setup Good, reliable operation with a minimum of service, starts with attention to the small details: Oil: 1. Setting the nozzle position and electrodes to the manufactures specs using the manufacturer's gauges. 2. Installing a quality micron filter at the burner.(replace old oil lines and clear sludge) 3.
  • Page 15 6.1 Oil Burner Setup For B10 Boilers BURNER MANUFACTURER: CARLIN BURNER MANUFACTURER: RIELLO Boiler Model: B10/3 B10/4 B10/5 B10/6 B10/3 B10/4 B10/5 B10/6 Burner Model: EZ-Select EZ-Select EZ-Select EZ-Select 40 BF3 40 BF3 40 BF5 40 BF5 Firing Rate: 1.06 1.33 1.06 1.33...

  • Page 16: Gas Burner Setup For Biasi

    6.3 Gas Burner Setup For Biasi This page is only for boilers using a gas burner. If an oil burner is being used, please refer to page 18 for the proper setup of the burner. BURNER MANUFACTURER: CARLIN Boiler Model: B10/3 B10/4 B10/5...

  • Page 17: Gas Line Piping

    7. Gas Line Piping Gas supply piping is to be sized and installed properly in order to provide a supply of gas sufficient to meet the maximum demand without undue loss of pressure between the meter and the boiler. Consult with the National Fuel Gas Code ANSI Z223.1 for proper sizing of gas piping for various lengths and diameters.

  • Page 18: Wiring-Oil Burners

    8. Wiring (Oil Burners) NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors.

  • Page 19: Wiring- Gas Burners

    9. Wiring (Gas Burners) NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors.

  • Page 20: System Start-Up

    10. System Start-Up “For Your Safety Read Before Operating” WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life.

  • Page 21: Commissioning

    11. Commissioning Before a gas boiler may be put into operation and tested, it’s gas connection must be leak tested. After installation of oil/gas-fired boiler, operation and performance tests shall be conducted to make certain that the burner is operating in an acceptable manner and that all safety controls and devices function properly.

  • Page 22: Installer Notes

    13. Installer Notes System Checklist Boiler Model #: Serial #: Original Purchaser: Installer: Burner Checklist Burner Manufacturer: Burner Fuel Type: Burner Model #: Burner Serial #: Input: Pump/Manifold Pressure: Nozzle/Orifice: Head Setting: Air Setting: Burner Performance Test: Install Year 1 Year 2 Year 3 Year 4...
  • Page 23 13. Installer Notes(Continued) Comments/Notes:...
  • Page 24 QHT’s business. From troubleshooting radiator piping to working through problems with wall hung or floor standing boilers, the staff at QHT will take care of your needs. In addition to providing specialized packaging and shipping services, QHT product support extends to giving on-site training seminars for fan convectors, radiators, boilers, burners and controls.

This manual is also suitable for:

Direct vent dvo flexible

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