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QHT BIASI B10 Series B3-B9 Manual And Installation

Summary of BIASI B10 Series B3-B9

  • Page 1

    Page 1 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 fir...

  • Page 2

    Page 2 dear customer: thank you for buying a qht biasi b10 series boiler. The qht biasi b10 series boiler is a cast iron, oil or gas fired hot water boiler, using the famous biasi b10 (3-pass) design. The boiler is light, compact, simple, rugged and engineered for maximum home heating efficiency. We...

  • Page 3

    Page 3 table of contents qht biasi b10 series section page important information & warnings 4,5,6 general information 1 7 boiler block assembly & explosion diagram 2 8 boiler location 3 9 installation of boiler trim kit components 4 10,11 piping the boiler 5 12 intake venting 6 13,14 exhaust venting...

  • Page 4

    Page 4 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 des...

  • Page 5: Warning

    Page 5 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 ...

  • Page 6

    Page 6 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. D...

  • Page 7: 1. General Information

    Page 7 the biasi b 10-series boilers are wet base design, sectional, cast-iron boilers for forced hot water heating systems. The boilers are shipped pre-assembled from the factory in lengths from three to nine sections. They are designed for firing with oil or gas power burners, which are packed sep...

  • Page 8: 2. Boiler Block Assembly

    Page 8 all qht biasi b10 series boilers are shipped from the factory in assembled boiler blocks. If, however, the block needs to be split into sections for ease of delivery, please read the following: to assemble split blocks, move sections into parallel and facing each other. Sections may be slid a...

  • Page 9: 3. Boiler Location

    Page 9 if the boiler is to be installed in a "direct vent" configuration, please refer to the b10 direct vent addendum supplied with the direct vent kit. Provisions for combustion air and ventilation air must be in accordance with section 5.3, “air for combustion and ventilation”, of the national fu...

  • Page 10

    P use only the ulc listed boiler components and ul/csa listed oil or gas burner components supplied with the qht biasi b10 series boiler system. Please refer to figures below for barometric damper location for either oil or gas and to the next page for the proper location of the trim components. 4. ...

  • Page 11

    Page 11 3x 27 2x 4 1 2 22 Ø6 exhaust breeching 3 3 4 Ø1 1 2 supply tapping Ø 3 4 prv or hi limit control tapping Ø 3 4 hi limit control or prv tapping Ø 3 4 alternative boiler drain tapping Ø1 1 2 return tapping Ø 3 4 boiler drain tapping Ø 1 2 pressure/temperature guage tapping Ø 3 4 alternative bo...

  • Page 12: Safety Relief Valve

    Page 12 safety relief valve 1. The safety relief valve should be piped into one of the two upper tapings in the rear of the boiler 2. The relief valve should be installed using the hardware supplied in the trim kit without valving between the prv and the boiler. 3. Pipe the discharge for the safety ...

  • Page 13: 6. Intake Venting

    Page 13 6. Intake venting 1. Be certain adequate air is available for combustion and ventilation. A.) boiler located in unconfined space: installation in large areas, such as basements, can usually be assumed to provide sufficient air. B.) boiler located in confined space : (see figure a.) if all ai...

  • Page 14: 6. Intake Venting Cont.

    Page 14 c.) boiler located in a room under negative pressure: if the boiler is to be installed within a home where the operation of exhaust fans, attic fans, kitchen ventilation systems, clothes dryers or fireplaces may create severe negative vent pressures causing unsatisfactory combustion and vent...

  • Page 15: 7.  Exhaust Venting

    Page 15 the b10 boiler is a high efficiency unit that requires proper venting. The boiler must be vented to the outdoors by means of a tile lined masonry or a approved pre-fabricated chimney of the size and height recommended by the manufacturer or by a listed "power venting" unit which provides dra...

  • Page 16: 7.2  Blocked Flue Switch:

    Page 16 3.Insofar as practical, close all building doors and windows and all doors between the space in which the appliance remaining connected to the common venting system is located and other spaces of the building . Turn on any appliance not connected to the common vent system. Turn on all exhaus...

  • Page 17: 7.3 Gas Venting

    Page 17 for boilers connected to gas vents or chimneys, vent installations shall be in accordance with part 7, venting of equipment, of the national fuel gas code, ansi z223.1 or section 7, venting systems and air supply for appliances, of the can/ cga b149, installation codes, or applicable provisi...

  • Page 18: 8.  Burner Setup

    Page 18 good, reliable operation with a minimum of service, starts with attention to the small details: oil: 1. Setting the nozzle position and electrodes "by the book" using the manufacturer's gauges. 2. Installing a quality micron filter at the burner. 3. Making careful/tight flare connections, wi...

  • Page 19: 8.1 Oil Burner Setup

    Page 19 burner manufacturer: beckett nx boiler model b-3 b-4 b-5 b-6 burner model nec-1102* nec-1101* nec-1101* nec-1103* firing rate 0.55 0.90 1.00 1.20 insertion depth 3.50" 6.00" 6.00" 6.00" nozzle 0.50 x 60 0.65 x 60 0.75 x 60 0.90 x 60 spray pattern hollow solid solid w pump pressure 180 psi 18...

  • Page 20: 8.2 Gas Burner Setup

    Page 20 to determine how much gas is coming into the burner, or to set the gas meter correctly, the following formula can be used. The chart to the right can be used to determine the flow rate depending upon the time per revolution and the size of the gas meter dial. Ft 3 /hr = [3600/(sec. Per rev.)...

  • Page 21: 9. Gas Line Piping

    Page 21 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 l...

  • Page 22: 10. Boiler Jacket Assembly

    P note: all piping, boiler controls, gauges and valves should be installed before the jacket is assembled on the boiler. Below is an explosion view of the boiler and jacket assembly to clarify these boiler jacket assembly instructions. Insert the separate (loose) piece of insulation on top of boiler...

  • Page 23: 11.  Wiring

    Page 23 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. The electrical wiring should be routed so as not to interfere with normal ...

  • Page 24: 7248U Wiring Procedure

    Page 24 if you received a honeywell 7248u with your biasi boiler, you will need to make the changes shown above, and described below to the wiring diagrams. 1. Run wire 1 to the l1 terminal on the 7248u instead of running wire 1 to the 4006a. 2. Run wire 2 to the l2 terminal on the 7248u instead of ...

  • Page 25: 11. Oil Burner Wiring

    Page 25 note: all w iring must be done in accordance w ith applicable state, local and national codes. Use only copper conductors. Line honeyw ell 7248 u black white brow n yell ow red riello o il burner, cs heatmanag er, 7248u control wiring 11. Oil burner wiring.

  • Page 26

    Page 26 note: all w iring must be done in accordance w ith applicable state, local and national codes. Use only copper conductors. Riello o il burner, sr504, contro l wiring with dhw priority.

  • Page 27

    Page 27 note: all w iring must be done in accordance w ith applicable state, local and national codes. Use only copper conductors. Riello o il burner, az-4p, cont rol wiring with dhw priority.

  • Page 28

    Note: all wiring m ust be done in accordance with applicable state, local and national codes. Use only copper conductors. Page 28 carlin oil burner, sr501, contro l wiring with dhw priority.

  • Page 29

    Page 29 note: all wiring m ust be done in accordance with applicable state, local and national codes. Use only copper conductors. Beckett no/afii oil burner, arm-4p , contro l wiring with dhw priority.

  • Page 30: 11.2  Gas Diagrams

    Note 2: all wiring m ust be done in accordance w ith applicable state, local and national codes. Use only copper conductors. Page 30 11.2 gas diagrams heatwise su-2a, sr503, control wi ring with dhw priority.

  • Page 31

    Note: all wiring m ust be done in accordance with applicable state, local and national codes. Use only copper conductors. Page 31 riello g a s burner, ar861-2 ii,cont rol wiring with dhw priority.

  • Page 32: 12.  Commissioning

    Page 32 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 ...

  • Page 33: 14.  Installer Notes

    Page 33 system checkout: boiler model no._________________ serial no.__________ original purchaser: installer: _________________________ ______________________ _________________________ ______________________ _________________________ ______________________ burner manufacturer----------- type of oil...

  • Page 34

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  • Page 35

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  • Page 36: Cast-Iron Water Boilers

    Page 36 first year-warranty for b10 series residential hot water boilers: qht warrants that its cast-iron boiler and casing are free from defects in material and workmanship for one year from the date of installation. If the boiler is found to be defective within this period, qht will replace the bo...