Linear Boiler User Manual
BIASI B/40
LINEAR
PAGE 1
6-12 SECTION
Please Read Instructions Carefully
Save for Future Reference
WARNING
If the information in this manual is not followed
exactly, a fire explosion may result causing property
damage, personal injury or loss of life.
DANGER
Boiler Manual And Installation
Instructions for Atmospheric Venting
LINEAR
BOILER
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 another
location. Follow the gas supplier’s instructions.
• If you can not reach your gas supplier call the
fire department
Manufactured by:
Manufactured by:
Manufactured by:Manufactured by:
Biasi S.p.A.
Biasi S.p.A.
Biasi S.p.A.Biasi S.p.A.
Verona, Italy
Verona, Italy
Verona, ItalyVerona, Italy
Distributed By:
Distributed By:
Distributed By:Distributed By:
QHT
QHT
QHTQHT
QUINCY HYDRONIC TECH
QUINCY HYDRONIC TECHNOLOGY
QUINCY HYDRONIC TECHQUINCY HYDRONIC TECH
3560 LAFAYETTE RD
3560 LAFAYETTE RD
3560 LAFAYETTE RD3560 LAFAYETTE RD
PORTSMOUTH, NH 0380
PORTSMOUTH, NH 03801111
PORTSMOUTH, NH 0380PORTSMOUTH, NH 0380
PHONE: 603
PHONE: 603----334
PHONE: 603PHONE: 603
FAX: 603
FAX: 603----334
FAX: 603FAX: 603
334----6401
334334
NOLOGY, INC.
NOLOGYNOLOGY
334----6400
6400
334334
64006400
6401
64016401
, INC.
, INC., INC.
REV. H
PAGE 2
BIASI B/40
Dear Customer:
Thank you for buying a Linear commercial boiler.
The Linear is a cast iron, oil or gas fired hot water boiler, using the famous 3-pass design. The
boiler is simple, rugged and engineered for maximum heating efficiency.
We realize that it is not possible to answer all questions about the Linear series boiler 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 (L4006E) 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.
This Linear boiler has a limited warranty, 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, date of installation and the name of your installer being on record in our files.
Thank you for purchasing our B-40 Linear series boiler. If you have questions or comments,
please don't hesitate to contact us immediately. Our goal is 100% customer satisfaction.
BIASI B/40
TABLE OF CONTENTS
BIASI B-40 Linear Series Section Page
Important Information 1 4
General Information 2 6
Codes and Regulations 3 6
Combustion Air Supply 4 7
Boiler Location 5 7
Boiler Block Assembly 6 8
Boiler Trim Kit Installation 7 8
Boiler Tapping Diagram - 9
Burner Set-up 8 10
Gas Piping 9 12
Breeching and Chimney 10 14
Piping 11 15
Boiler Jacket Assembly 12 17
Boiler Jacket Explosion Diagram - 18
Wiring 13 19
B-40 Control Panel Wiring 20-23
Commissioning 14 24
Maintenance 15 24
Installer Notes 16 25
PAGE 3
PAGE 4
BIASI B/40
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 contractors, and only persons knowledgeable in the
layout and installation of heating systems should attempt the installation of any boiler.
It is the responsibility of the installing contractor to see that all controls are correctly installed and
operating properly when the installation is completed.
Do not burn volatile garbage, gasoline, naphtha or other flammable liquids other than No. 2 fuel
oil. All flammable liquids (especially gasoline), chemicals, rags, paper, wood scraps, debris, etc.,
should be kept away from the boiler at all times. Keep the boiler area clean and free of all fire
hazards.
Please read the literature and warranties supplied by the manufacturers of the various accessory
equipment. This equipment is warranted by the respective manufacturers, not by Quincy Hydronic
Technologies, Inc. Each piece of equipment must be installed and used according to the
recommendations of the manufacturer.
This Linear boiler has a limited lifetime warranty, a copy of which is printed on the back page of this
manual.
BIASI B/40
PAGE 5
WARNING
Any appliance that burns natural gas, propane gas, fuel oil, wood 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.
If your BIASI B-40 boiler is not working properly, or is not vented properly, dangerous levels of CO
may accumulate. 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.
EXPOSURE CAN BE FATAL AND EXPOSURE TO HIGH CONCENTRATIONS MAY
RESULT IN THE SUDDEN ONSET OF SYMPTOMS INCLUDING UNCONSCIOUSNESS.
Symptoms of CO poisoning include the following:
Dizziness Vision problems Shortness of breath
Headache Loss of muscle control Unclear thinking
Nausea Weakness Unconsciousness
The symptoms of CO poisoning are often confused with those of influenza, and the highest incidence
of poisoning occurs at the onset of cold weather or during flu season. A victim may not experience
any symptoms , only one symptom, or a few symptoms. Suspect the presence of carbon monoxide if
symptoms tend to disappear when you leave your home.
The following signs may indicate the presence of carbon monoxide:
* Hot gasses from appliance, venting system, pipes or chimney,
escaping into the living space.
* Flames coming out around the appliance.
* Yellow colored flames in the appliance.
* Stale or smelly air.
* The presence of soot or carbon in or around the appliance.
* Very high unexplained humidity inside the building.
If any of the symptoms of CO occur, or if any of the signs of carbon monoxide are present, VACATE
THE PREMISES IMMEDIATELY AND CONTACT A QUALIFIED HEATING SERVICE
COMPANY OR THE GAS COMPANY AND THE FIRE DEPARTMENT.
To reduce the risk of CO poisoning, have your heating system "tuned up" by a licensed heating
contractor or the gas company - preferably before each heating season. Also have the service
company check your chimney or vent pipes for blockage.
The building should be adequately ventilated, particularly if you have tightly insulated your home.
ONLY QUALIFIED, LICENSED SERVICE CONTRACTORS SHOULD PERFORM WORK
ON YOUR BIASI B-40 BOILER.
PAGE 6
Net Output
Length
Weight
BIASI B/40
2. General Information:
The Linear series are wet base design, sectional, cast-iron boilers for forced hot water heating
systems. The Linear boilers are designed for firing with oil and deliver high efficiencies through
unique design and construction.
The Linear series boilers are shipped from the factory in assembled blocks and each boiler can
range from 6 to 12 sections. The sections can then be disassembled before delivery to the jobsite by
QHT and then field assembled. The boiler jacket, burner and controls are packed separately for
shipping.
Note: All equipment should be inspected upon delivery, and any damage or shortage should
be reported immediately.
Boiler
Model
Number
B40/6 6 265 2.20 308 230 86.0 17 34.8 902
B40/7 7 352 2.90 406 305 86.7 20 39.5 1023
B40/8 8 437 3.60 504 380 86.8 23 44.4 1144
B40/9 9 524 4.30 602 456 87.0 26 49.2 1265
B40/10 10 610 5.00 700 532 87.2 28 53.9 1386
B40/11 11 696 5.70 798 607 87.2 31 58.8 1507
B40/12 12
Maximum Water Working Pressure 72 psi Maximum Relief Valve is 50 psi @ 900 MBH
Number of
Sections
Heating
Capacity
783
Input
Oil
G.P.H.
6.40
Input
Gas
MBH
896 684
MBH Efficiency %
Water
Content
Gals.
87.4 34 63.8 1628
(L) inches
(LBS)
3. Conforming to Codes and Regulations:
Installation of the boiler, burner, oil tank and related equipment must conform to national,
state and local regulating agencies and codes applicable to the installation of the equipment. In the
absence of local requirements, the following codes apply:
••••
ANSI/NFPA - #31 Installation of Oil Burning Equipment
••••
ANSI/NFPA - #70 National Electric Code
••••
ANSI/NFPA - #211 Chimneys and Vents
The above codes are available from:
National Fire Protection Association (NFPA)
Battery March Park
Quincy, Massachusetts, 02269
BIASI B/40
PAGE 7
4. Combustion Air Supply:
The boiler location must provide air for proper combustion and ventilation of the surrounding
area. To burn efficiently, oil requires 30 CFM/GAL. In general, boiler rooms should incorporate two
(2) permanent air supply openings, one commencing within 12 inches of the ceiling, and one
commencing within 12 inches of the floor. These openings should freely communicate with the
outdoors.
OUTSIDE AIR: When combustion air is supplied directly through an outside door or wall,
each opening shall have a free area of one square inch per 4,000 BTUH input for the total input of all
the appliances in the enclosure.
INSIDE AIR: When combustion air is supplied from inside the building, each opening shall
have a free area of one square inch per 1,000 BTUH input for the total of all appliances in the
enclosure. In no case shall the openings be less than 105 square inches each.
In both cases, check manufacturers ratings for louver net free area, and correct for screen
resistance to net free area.
If the boiler is to be installed 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.
Do not install the boiler until the proper combustion air has been arranged
5. Boiler Location:
Locate the boiler to provide sufficient clearance for inspection, servicing and maintenance.
Minimum clearance to construction or combustible materials shouldn't be less than six (6) inches from
the top, sides and rear of unit, and eighteen (18) inches from the flue pipe in any direction. Front
clearance should be at least twenty four (24) inches. When choosing a location for the boiler, take
into consideration the 12” supply manifold on the back of the boiler. Adequate space must be given to
pipe the manifold in and for the smoke pipe to clear the manifold. Greater distances for ease of access
should supersede fire protection clearances. The boiler must be located on a non-combustible floor. A
smooth, level concrete floor is recommended. Locate the boiler as close as possible to the chimney. If
boiler is installed on combustible flooring, consult local authorities for proper method of covering
floor. The boiler must not be installed on carpeting.
Caution: Do not store or use flammable materials, chemicals or flammable liquids,
especially gasoline, in the vicinity of this heating appliance.
PAGE 8
BIASI B/40
6. Boiler Block Assembly:
All Linear series boilers are shipped either as an assembled boiler block or a knock-down
boiler block. If the block came unassembled, or if the assembled block needs to be split for installation purposes, please read the following:
To assemble split blocks, move the sections into a line facing each other. Sections may be slid
along boards placed underneath the sections. Inspect nipple ports for damage or burrs. Remove any
burrs by brushing the port very lightly. Wipe the push nipples and nipple ports with a clean cloth.
Apply a film of nipple compound to both the nipple and port. Install the nipple in the port and then
seal it by hitting it with a rubber mallet. Apply section sealant to one section only and slide sections
together. If the boiler came in sections, you will want to draw the sections together 2 or three at a time
to insure that the blocks are coming together properly. Install the four draw rods and draw the sections
together evenly (measure with yardstick). The longer draw rods should be installed on the top of the
boiler. The shorter draw rods are installed on the bottom of the boiler. The bottom draw rods should
not extend past the front section. Draw the sections together until sections make iron-to-iron contact
at a point around the top and bottom ports of each section. Check to insure that the combustion chamber is sealed using a flash light or other lighting device. Place the flashlight into the combustion
chamber and look for light on the floor or surrounding walls (this is best done in a dark room). If light
appears out of the boiler use a high temperature caulk to fill in the gaps between the block sections.
DO NOT OVER TIGHTEN DRAW RODS
7. Installation of Boiler Trim Components:
The BIASI B-40 Boiler Trim Kit includes the following components.
1— Honeywell L4006 E Aquastat
1— 3/4” X 3” Nipple
1— 3/4” Elbow
1— 50 PSI Pressure Relief Valve
1— Immersion Well
1— Four Wire Molex Wire Harness
The above mechanical components should be installed following the diagram of the boiler
tappings on the following page. The installation of the above wiring components (wiring harness) will
be described in the wiring portion of this installation manual.
1— Pressure/Temperature Gauge
1— 3/4” Boiler Drain
1— 1/4”X3/4” Bushing
1— 2 1/2” MPT Supply Manifold
1— 2 1/2” MPT Return Manifold
BIASI B/40
PAGE 9
Control Panel with
operating aquastats
Figure 1:Diagram illustrating the location and function of the front and rear boiler tappings.
2.5” MPT Supply
8” Breech
2.5” MPT Return
Boiler Model Length (L)
B-40/6 34.8”
B-40/7 39.5”
B-40/8 44.5"
B-40/9 49.2"
B-4/10 53.9"
B-4/11 58.8"
B-4/12 63.9"
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