vega b3-b9 boiler manual and installation …yaunco.com/pdfs/biasi_man.pdfpage 3 dear customer:...

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 installer,

service agency or the gas supplier.

Please Read Instructions Carefully Save for Future Reference

Manufactured by: Biasi S.p.A. Verona, Italy

Distributed By:

QHT QUINCY HYDRONIC TECHNOLOGIES, INC.

80 ROCHESTER AVE. SUITE #12 PORTSMOUTH, NH 03801

PHONE: 603-334-6400 FAX: 603-334-6401

REV. G

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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.

WARNING

DANGER

VEGA B3-B9

Dear Customer: Thank you for buying a VEGA B10 boiler system. The VEGA B10 boiler system is a cast iron, oil or gas fired hot water boiler, using the famous Biasi B-10 (3-pass) design. The boiler is light, compact, simple, rugged and engineered for maximum home heating efficiency. We realize that it is not possible to answer all questions about the VEGA B10-series boiler system in this manual. Reading this installation manual does not make the reader an expert in all aspects of installation and operation, and does not replace the need for a qualified, licensed heating contractor. We urge you to contact your installing contractor or distributor if you are in question about any aspect of your boiler's performance. Our main concern is that you are satisfied with your boiler and its performance. We require that your contractor complete efficiency tests using instruments. The controls and accessories listed in this manual are intended to serve as guidelines rather than specific recommendations. We realize that other makes and models of such devices are available and can be used as successfully as those we specify. The installing contractor is the best judge of a system's specific requirements, as well as the local availability of certain makes and models of controls and accessories. The preceding does not apply, however, to the equipment that comes with every boiler, such as the overheat control (L4006A or 7248U) and pressure relief valve. The installation of the specific devices supplied with every boiler is absolutely necessary to the safe operation of the boiler and protection of the heating system. All BIASI boiler blocks are built in accordance with the ASME boiler and pressure vessel code, and bear the "H" stamp. The entire range of applications for the VEGA B10 have been tested to standard UL 726 and are ULC compliant. This BIASI B10 boiler block has a limited lifetime warranty (refer to back of manual), a copy of which is provided with the boiler. Please be sure to return the warranty registration card as the warranty will be void without your boiler's serial numbers (located on the plate on the leg of the boiler), date of installation and the name of your installer which will be on record in our files. Thank you for purchasing our VEGA B10 series boiler. If you have questions or comments, please don't hesitate to contact us immediately. Our goal is 100% customer satisfaction.

QHT inc.

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USE ONLY THE ULC LISTED BOILER COMPONENTS AND UL/CSA LISTED OIL OR GAS BURNER COMPONENTS SUPPLIED WITH THE VEGA B10 BOILER SYSTEM.

Please refer to figures below for Barometric Damper location for either oil or gas

4. Installation of Boiler Trim Components

* See detail on page 19

BIAS

Heat Wise

BAROMETRIC DAMPERWITH MANUAL RESETSPILL SWITCHALTERNATIVE

DAMPER LOCATION

BIASI B10

POWER GASBURNER

GAS COCK

DRIP LEG

UNIONGAS TRAIN

Trim Kit Components 1 - Honeywell L4006A or 7248U

aquastat 1 – Combo pressure/temp gauge 1 – ¾” X 3” Nipple 1 – 30 PSI pressure relief valve 1 – ¾” Boiler drain 1 – Cera-fiber Pad for floor of

combustion chamber

1– ¼” X ½” Bushing 2 – ¾” Plugs 1 – ¾” 90° Elbow 1 – Immersion well 1- Double acting barometric

damper with manual reset spill switch (Gas systems only)

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The make-up water line must be piped into the boiler and be fitted with a backflow preventer and a pressure-reducing valve to reduce line pressure to 10 to 15 psi.

NOTE Do not use automotive types of antifreeze

(ethylene glycol).

5. Piping the Boiler

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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 venting, special provisions should be made for additional make-up air to supply the other air requirements. If building is of tight construction, combustion air requirements may not be met and combustion air ducts from outside may be necessary. Please refer to NFPA No. 31. Tight Construction (as defined by ANSI Z223.1):

1. Walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of 1 perm or less with openings sealed with gaskets, etc..

2. Weather-stripping has been added on open able windows and doors, and…

3. Caulking or sealants are applied to areas such as joints around windows and door frames, between sole plates and floors, between wall-ceiling joints, between wall panels, at penetrations for plumbing, electrical, and gas lines, and in other openings.

If the building is of tight construction, air openings must be provided from the outside, with appropriate sizing depending on amount of BTU/H as shown in pictures. The boiler room must never be under a negative pressure, even if the appliance is installed as direct vent. Always provide air openings sized not only to the dimensions required for the firing rate of all appliances, but also to handle the air movement rate of the exhaust fans or air movers using air from the building or boiler room.

6. Intake Venting Cont.

Figure A.

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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 exhaust fans except for summer exhaust fans. Close the fireplace damper if applicable.

4.Place in operation the appliance being inspected. Follow the lighting instructions. Adjust thermostat so appliance will operate continuously.

5.Test for spillage at the barometric damper opening after 5 minutes of main burner operation. Use the flame of a match or candle, or smoke from a cigarette, cigar or pipe.

6.After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above, return the doors, windows, exhaust fans, fireplace dampers and any other gas-burning appliance to their previous condition of use.

7.Any improper operation of the common venting system should be corrected so the installation conforms with the National fuel Gas Code, ANSI Z223.1 and/or CAN/CGA B149, Installation Codes. When resizing any portion of the common venting system, the common venting system should be resized to approach the minimum size as determined using the appropriate tables in Part 11 of the National Fuel Gas Code, ANSI Z223.1, and/or CAN/CGA B149, Installation Codes.

7.1 Common Exhaust Venting Cont.

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 provisions of the local building codes. Vent connectors serving appliances vented by natural draft shall not be connected into any portion of mechanical draft systems operating under positive pressure.

7.2 Gas Venting

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, without couplings, on oil suction

line. 4. Checking fuel pump pressure. 5. Checking draft at the breeching to insure it is adequate to overcome flue

gas resistance. (-.02 to –.04 in. w.c.) 6. Setting the air band properly with well maintained instruments. A good

target is 11% to 12.5% of (CO2) or 6.5% to 3.8% of (O2). To ensure proper burner setup, gauges should be used to check things such as the pump pressure, CO2 levels, etc…

Gas: 1. Checking the electrode, orifice size, and flame rod settings against

manufacturer’s specs to insure proper operation. 2. Installing properly sized gas piping according to BTU input required and

length of gas line run. 3. Making sure there is proper manifold pressure before and after the

gas valve using a calibrated manometer. 4. Checking draft at the breeching to insure it is adequate to overcome flue

gas resistance. (-.02 to –.04 in. w.c.) 5. Setting the air band properly with well maintained instruments. A good

target is 9.5% to 10.5% of (CO2) or 5% to 2.5% of (O2) for natural gas, or 10.0% to 12.0% of (CO2) or 5% to 2.5% of (O2) for LP gas.

8. Burner Setup

CUT INSULATION IN BLASTTUBE OPENING TO 4.25" TO ACCEPT CARLIN BLASTTUBE.

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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.

Locate a drop pipe adjacent to, but not in front of the boiler. Locate a tee in the drop pipe at the same elevation as the gas inlet connection to the boiler. Extend the drop line with a nipple towards the floor and cap to form a sediment trap. Install a shut off valve before the tee with sediment trap and a union after the tee before the combination gas valve.

When installing the boiler, make sure a pipe compound resistant to the action of liquefied petroleum is used. Check piping for leaks. Always check leaks with a water and soap solution. DO NOT USE A FLAME FOR CHECKING GAS LEAKS

The boiler and its individual shut-off valve must be disconnected from the gas supply piping during any pressure testing of that piping at test pressures in excess of 1/2 psi.

To check for gas leaks, use a gas detec-tor or apply a soap solution to the joints. DO NOT USE AN OPEN FLAME!

Direction of flow

Manual Shutoff Valve Height of shutoff valve above ground level to conform to local codes, if any. Note: Massachusetts state code requires gas shutoff to be a tee handled gas cock.

Pressure Gauge Port (1/8” NPT plugged)

1” X 1” X 3/4” Tee Male Union 3/4” NPT

Burner Gas Train

Pipe Cap

3” M

INIM

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9. Gas Line Piping

INSTALLATION OF SEDIMENT TRAP AND BURNER SUPPLY

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 with the foil side facing in so the entire top, bottom and sides of boiler are covered. Place tubular jacket spacers (#35 & #36 on exploded view of boiler) on the upper and lower draw rod extensions at the front(long spacers) and rear(short spacers) of the boiler. Place the rear insulated jacket panel (#26) at the back of the boiler, also by slipping over the slotted cut-outs. Position side jacket panels (#38 & #25) by slipping the slotted cut-outs over the boiler draw rods. Place the lower front jacket panel (#28) in place and secure with self-tapping screws provided. Fasten the washers and hex nuts to the ends of the tie-rods to hold the jacket in place. Set the top panel (#27) in place and secure with two screws in the back of the panel. With the jacket firmly secured, place front panel (#37) in position on the tabs on the side panels and press firmly to snap spring connectors in place. NOTE: Do not attach any electrical wiring or electrical conduit or boiler piping to the top panel (#27).

Boiler Jacket Assembly: 25 RH Side Jacket Panel 26 Rear Jacket Panel * 27 Top Jacket Panel 28 Lower Front Jacket Panel 29 Top & Side Insulation 30 Front Panel Pin Clips 31 Self Tapping Screws (Qty 2) 32 Jacket Mounting Nut (Qty 8) 33 Jacket Mounting Washer (Qty8) 34 Front Panel Mounting Pins 35 Long Jacket Spacer (Qty 4) 36 Short Jacket Spacer (Qty 4) 37 Front Jacket Panel * 38 LH Side Jacket Panel * Supplied with attached insulation

10. Boiler Jacket Assembly

Note: For replacement parts, contact your local Biasi Wholesaler.

25

26

2736

39

38

3137

29

28

3534

33

32

30

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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 connecting to wire 4. 3. Run wire 4 to the B2 terminal on the 7248U instead of connecting to wire 2. 4. Run wire 5 to the B1 terminal on the 7248U instead of connecting to the isolated end

switch. 5. Lastly, run low voltage wiring from the TT terminals on the 7248U to the isolated end

switch.

7248U WIRING PROCEDURE

4006A WIRING

7248U WIRING

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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 boiler block or casing. LIFETIME WARRANTY-WARRANTY FOR THE CAST IRON BOILER BLOCKS OF THE B10 SERIES RESIDENTIAL BOILERS: Biasi warrants that the cast-iron sections and nipples of the BIASI B10 boilers are free from defects in material and workmanship for the lifetime of the original single family home installation. If the B10 boiler block is then found to be defective, QHT and Biasi will replace the original cast iron boiler block. These warranties are subject to the condition that a heating contractor whose principal occupation is the sale and installation of heating equipment must have installed the boiler. PARTS, WHICH ARE COVERED, consists of all materials supplied by Biasi, identified by QHT's part numbers in its literature. Other parts supplied in the casing, trim kit or in the burner pack carry their own warranty and each manufacturer has responsibility for its own products. NOTE: ANY PART, WHICH IS REPLACED UNDER WARRANTY, CARRIES ONLY THE UNEXPIRED PORTION OF THE ORIGINAL WARRANTY. OWNER RESPONSIBILITIES: 1. Provide for proper installation, which includes pressure relief

and pressure reducing valves and high limit safety controls on closed systems.

2. Provide qualified periodic service to prolong proper operation and service.

3. Insure that boiler is installed with approved burner and that installation conforms to all codes and ordinances.

4. This warranty does not apply to boilers, which are subject to misuse, abuse, neglect, alteration, accident, excessive temperature, excessive pressure, or corrosive water or atmosphere.

5. Owner will be responsible for return of faulty components to

Portsmouth, NH, freight pre-paid. QHT and Biasi will not be responsible for: 1. Components that are part of the heating system, but

were not manufactured by Biasi or QHT as part of the boiler. 2. The workmanship of the installers of VEGA B-10 boilers.

Furthermore, this warranty does not assume any liability for unsatisfactory performance caused by improper installation.

3. Any costs for labor to remove or replace the faulty component. 4. Improper burner application or adjustments, control settings,

care or maintenance. 5. Any damage associated with corrosion or leakage due to the

use of "non-barrier", plastic pipe in the heating system. *THIS WARRANTY DOES NOT EXTEND TO ANYONE EXCEPT THE FIRST PURCHASER AT RETAIL AND ONLY WHEN THE BOILER IS IN THE ORIGINAL INSTALLATION SITE. *IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY SHALL BE LIMITED TO THE DURATION OF THE EXPRESSED WARRANTY. BIASI AND QHT EXPRESSLY DISCLAIM AND EXCLUDE ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR BREACH OF ANY EXPRESSED OR IMPLIED WARRANTY. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE. For prompt warranty service, notify the installer, who, in turn, will notify the distributor from whom he purchased the boiler. If this does not result in corrective action, contact Biasi through Quincy Hydronic Technologies (Address Below) with details in support of the warranty claim. All claims must be processed through proper trade channels. Contact with Biasi directly is not recommended for rapid claim settlement.

Quincy Hydronic Technologies, 80 Rochester Ave. Suite #12

Portsmouth, NH, 03801 Tel. (603) 334-6400

Item

Warrantyfor BIASI - B10 Residential Cast-Iron Water Boilers

NAME

STREET

CITY STATE ZIP

BOILER SERIAL NO. DATE OF INSTALL

NAME OF INSTALL CO.

STREET

CITY STATE ZIP

B10 BOILER SIZE (EX. 4 SECTION)

SILVER RATINGS LABEL SERIAL #

HOW DID YOU HEAR ABOUT BIASI?

DEALER/INSTALLER WEBSITE FRIEND/NEIGHBOR

OTHER

PLACE STAMP HERE

BIASI BOILER WARRANTY REGISTRATION IMPORTANT., Registration required. To gain complete warranty

protection, fill in and mail this card immediately.

QHT Inc. 80 Rochester Ave.

Suite #12 Portsmouth, NH 03801

TEA

R O

N T

HIS

LIN

E

#: B10/C-REV.G

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