Installation Instructions

Installation Instructions

for use by heating contractor

Vitodens 200-W, Series B2HA

Models 80, 88, 100

Wall-mounted, gas-fired condensing boiler

For operation with natural gas and liquid propane gas

Heating input: 71 to 352 MBH

20 to 103 kW

VITODENS

r

200-W

5685 827 - 05 12/2015

H

Product may not be exactly as shown

IMPORTANT

Read and save these instructions for future reference.

Please file in Service Binder

Safety

Vitodens 200-W B2HA 80, 88, 100 Installation

Safety, Installation and Warranty Requirements

Please ensure that these instructions are read and understood before commencing installation. Failure to comply with the instructions listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life. Ensure all requirements below are understood and fulfilled (including detailed information found in manual subsections).

Product documentation

Read all applicable documentation before commencing installation. Store documentation near boiler in a

readily accessible location for reference in the future by service personnel.

 

For a listing of applicable literature,

please see section entitled “Important

Regulatory and Safety Requirements”.

Warranty

Information contained in this and related product documentation must be read and followed. Failure to do so renders the warranty null and void.

Carbon monoxide

Improper installation, adjustment, service and/or maintenance can cause flue products to flow into living space. Flue products contain poisonous carbon

 

For information pertaining to the proper installation, adjustment, service and maintenance of this equipment to avoid formation of carbon monoxide, please see subsection entitled

“Mechanical room” and “Venting requirements” in the “Installation Instructions”.

Licensed professional heating contractor

The installation, adjustment, service and maintenance of this equipment must be performed by a licensed

professional heating contractor.

 

Please see section entitled

“Important Regulatory and Installation

Requirements”.

Fresh air

This equipment requires fresh air for safe operation and must be installed ensuring provisions for adequate combustion and ventilation air exist.

 

For information pertaining to the fresh air requirements of this product, please see subsection entitled

“Mechanical room” in the “Installation

Instructions”.

Contaminated air

Air contaminated by chemicals can cause by-products in the combustion process, which are poisonous to inhabitants and destructive to

 

For a listing of chemicals which cannot be stored in or near the

boiler room, please see subsection entitled “Mechanical room” in the

Equipment venting

Never operate boiler without an installed venting system. An improper venting system can cause carbon monoxide poisoning.

 

For information pertaining to

venting please see section entitled “Venting combustion must be safely vented to the outdoors.

Advice to owner

Once the installation work is complete, the heating contractor must familiarize the system operator/ ultimate owner with all equipment, as well as safety precautions/requirements, shutdown procedure, and the need for professional service annually before the

heating season begins.

WARNING

Installers must follow local regulations with respect to installation of carbon monoxide detectors. Follow the

Viessmann maintenance schedule of the boiler contained in this manual.

Operating and Service Documentation

It is recommended that all product documentation such as parts lists, operating and service instructions be handed over to the system user for storage. Documentation is to be stored near boiler in a readily accessible location for reference by service personnel.

WARNING

This boiler requires fresh air for safe operation and must be installed with provisions for adequate combustion and ventilation air (in accordance with local codes and regulations of authorities having jurisdiction).

Do not operate this boiler in areas with contaminated combustion air. High levels of contaminants such as dust, lint or chemicals can be found at construction sites, home renovations, in garages, workshops, in dry cleaning/laundry facilities, near swimming pools and in manufacturing facilities.

Contaminated combustion air will damage the boiler and may lead to substantial property damage, severe personal injury and/or loss of life. Ensure boiler/burner is inspected and serviced by a qualified heating contractor at least once a year in accordance with the Service

Instructions of the boiler.


Safety, Installation and Warranty Requirements

Safety

Fiberglass wool and ceramic fiber materials

WARNING

Inhaling of fiberglass wool and/or ceramic fiber materials is a possible cancer hazard. These materials can also cause respiratory, skin and eye irritation.

The state of California has listed the airborne fibers of these materials as a possible cancer hazard through inhalation. When handling these materials, special care must be applied.

Suppliers of ceramic fiber products recommend the following first aid measures:

- Respiratory tract (nose and throat) irritation:

If respiratory tract irritation develops, move the person

to a dust free location.

- Eye irritation: If eyes become irritated, flush immediately

with large amounts of lukewarm water for at least 15

minutes. Eyelids should be held away from the eyeball

to ensure thorough rinsing. Do not rub eyes.

- Skin irritation: If skin becomes irritated, remove soiled

clothing. Do not rub or scratch exposed skin. Wash area

of contact thoroughly with soap and water. Using

a skin cream or lotion after washing may be helpful.

- Gastrointestinal irritation: If gastrointestinal tract

irritation develops, move the person to a dust free

environment.

Suppliers of fiberglass wool products recommend the following precautions be taken when handling these materials:

- Avoid breathing fiberglass dust and contact with

skin and eyes.

- Use NIOSH approved dust/mist respirator.

- Wear long-sleeved, loose fitting clothing, gloves

and eye protection.

- Wash work clothes separately from other clothing.

Rinse washer thoroughly.

- Operations such as sawing, blowing, tear-out and

spraying may generate airborne fiber concentration

requiring additional protection.

First aid measures

- If eye contact occurs, flush eyes with water to remove

dust. If symptoms persist, seek medical attention.

- If skin contact occurs, wash affected areas gently

with soap and warm water after handling.

WARNING

Appliance materials of construction, products of combustion and the fuel contain alumina, silica, heavy metals, carbon monoxide, nitrogen oxides, aldehydes and/or other toxic or harmful substances which can cause serious injury or loss of life and which are known to the State of California to cause cancer, birth defects and other reproductive harm. Always use proper safety clothing, respirators and equipment when servicing or working nearby the appliance.

About these Installation Instructions

Take note of all symbols and notations intended to draw attention to potential hazards or important product information. These include “WARNING”, “CAUTION”, and “IMPORTANT”. See below.



Warnings draw your attention to the presence of

potential hazards or important product information.

WARNING

Indicates an imminently hazardous situation which, if not avoided, could result in loss of life, serious injury or substantial product/property damage.

Cautions draw your attention to the presence of

potential hazards or important product information.

CAUTION

Indicates an imminently hazardous situation which, if not avoided, may result in minor injury or product/ property damage.



IMPORTANT

Helpful hints for installation, operation or maintenance

which pertain to the product.

This symbol indicates that additional, pertinent

information is to be found.

This symbol indicates that other instructions must referenced.

3

4

Table of Contents

Safety

General Information

Set-up

Boiler Connections


Page

Safety, Installation and Warranty Instructions................2

Product documentation.............................................2

Warranty................................................................2

Licensed air....................................................2

Advice to owner......................................................2

air................................................................2

Equipment

About venting...................................................2

these

Important Regulatory and Installation Requirements........6

Codes.......................................................................6

start-up..........................................................6

Working

Technical

For installations on the Commonwealth of

Massachusetts........................................................7

CSD-1 field testing of high limit switches..................7

Applicability..............................................................8

Product Information....................................................8

Multi system..................................................8

Mechanical Room.....................................................9

Before Set-up........................................................10

Minimum Clearances.................................................10

Preparing the Connections.........................................11

Wall Mounting.........................................................13

Fitting the wall mounting bracket............................13

Installing wall

Installation of mounting bracket on

brick/concrete wall................................................13

Boiler mounting bracket..........................................14

Installation on wood studs......................................14

Installation on metal studs....................................14

Mounting....................................................16

Models B2HA 80, 88, 100 Frame Mounting............17

Connections............................................................18

Connecting

Boiler

Proper piping practice.............................................18

shut-off

Gas connection and piping......................................19

piping

Heating water connections......................................20

DHW storage tank information.................................21

Making the DHW connections...............................21

Accessing the control unit connections.....................22

the

Connecting DHW sensor.........................................25

altitude base.........................................................26

External


Boiler Connections

(continued)

Control Connections

Additional Information

Table of Contents

Page

Safety Connections and Pressure Testing.....................29

Installing boiler safety devices.................................29

water

Performing

Waterside Flow........................................................30

Waterside (primary circuit)...............................30

Installation Examples.................................................32

General.................................................................32

Clearances............................................................32

System Layout 1-9...................................................33

Alternative DHW Connection....................................42

Boiler in Heating/Cooling............................................43

Boiler in heating/cooling application..........................43

Boiler with Low Water Cut-off..................................44

Boiler with low water cut-off (remote-mounted supplied)........................................................44

Venting Connection.................................................44

Electrical Connections..............................................45

Power supply connection of accessories...................45

Connection of accessories.......................................45

Overview of Electrical Connections,

Models B2HA 80, 88, 100........................................46

Accessing the X3 Plug..............................................48

Connecting the Low-loss Header Sensor......................48

Connecting the Outdoor Temperature Sensor..............49

External 0-10 Volt Signal Connection.........................50

Connecting a 24 VAC Thermostat............................51

LON Module..........................................................52

Installing the LON module to the boiler control board...........................................................52

Connecting the LON module cable..............................52

Accessory Kit..........................................................53

Accessory kit connections for heating circuit mixing

Closing the Control Unit............................................53

Closing the control cover ..........................................53

Closing the External Accessory Connection Box............54

Reinstalling the Front Enclosure Panel..........................55

Instructing the system user........................................55

Installation Fittings...................................................56

Technical Data.........................................................57

Lighting and Operating Instructions.............................59

5

6

General Information


Important Regulatory and Installation Requirements

Codes

The installation of this unit shall be in accordance with local codes or, in the absence of local codes, use CAN/

CSA-B149.1 or .2 Installation Codes for Gas Burning

Appliances for Canada. For U.S. installations use the

National Fuel Gas Code ANSI Z223.1. Always use latest editions of codes.

In Canada all electrical wiring is to be done in accordance with the latest edition of CSA C22.1 Part 1 and/or local codes. In the U.S. use the National Electrical Code ANSI/

NFPA 70. The heating contractor must also comply with both the Standard for Controls and Safety Devices for

Automatically Fired Boilers, ANSI/ASME CSD-1, and the Installation Code for Hydronic Heating Systems,

CSA B214-01, where required by the authority having jurisdiction.

Instructing the system user

The installer of the system is responsible to ensure the system operator/ultimate owner is made familiar with the system functioning, its activation, and its shut-down.

Initial start-up

Initial start-up must be performed by a qualified heating contractor. Proper completion of the Maintenance Record by the heating contractor is also required.

Working on the equipment

The installation, adjustment, service, and maintenance of this boiler must be done by a licensed professional heating contractor who is qualified and experienced in the installation, service, and maintenance of hot water boilers. There are no user serviceable parts on the boiler, burners or control.

Ensure main power supply to equipment, the heating system, and all external controls has been deactivated.

Close main gas supply valve. Take precautions in all instances to avoid accidental activation of power during service work.

The following topics must be covered:

Proper system operation sequence.

Explain the equipment.

Demonstrate an emergency shut-down, what to do and what not.

Explain that there is no substitute for proper maintenance to help ensure safe operation.

The Maintenance Record is located in the Service

Instructions.

Please carefully read this manual prior to attempting startup, maintenance or service. Any warranty is null and void if these instructions are not followed.

For information regarding other Viessmann System

Technology componentry, please reference documentation of the respective product.

We offer frequent installation and service seminars to familiarize our partners with our products. Please inquire.

Technical literature

Literature for the Vitodens boiler:

- Technical Data Manual

- Installation Instructions

- Service Instructions

- Operating Instructions and User’s Information Manual

- Instructions of other Viessmann products utilized and installed

- Installation codes mentioned in this manual

The completeness and functionality of field supplied electrical controls and components must be verified by the heating contractor. These include low water cutoffs, flow switches (if used), staging controls, pumps, motorized valves, air vents, thermostats, etc.

Leave all literature at the installation site and advise the system operator/ultimate owner where the literature can be found. Contact Viessmann for additional copies.

This product comes with several safety instruction labels attached.

Do not remove!

Contact Viessmann immediately if replacement labels are required.


Important Regulatory and Installation Requirements

(continued)

General Information

For installations on the Commonwealth of Massachusetts, the following modifications to NFPA-54 chapter 10 apply:

Excerpt from 248 CMR 5-08:

2(a) For all side-wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the sidewall exhaust vent termination is less than (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied:

1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side-wall horizontal vented gas

fueled equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an

alarm and battery back-up is installed on the floor level where the gas equipment is to be installed. In addition, the

installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an

alarm is installed on each additional level of the dwelling, building or structure served by the side-wall horizontal vented

gas fueled equipment. It shall be the responsibility of the property owner to secure the services of qualified licensed

professional for the installation of hard-wired carbon monoxide detectors.

a. In the event that the side-wall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the

hard-wired carbon monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level.

b. In the event that the requirements of this subdivision can not be met at the time of completion of installation, the owner

shall have a period of thirty (30) days to comply with the above requirements; provided, however, that during said thirty

(30) day period, a battery operated carbon monoxide detector with an alarm shall be installed.

2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above

provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified.

3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum

height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled

heating appliance or equipment. The sign shall read, in print size no less than one-half (1/2) inch in size, “GAS VENT

DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.

4. INSPECTION. The state or local gas inspector of the side-wall horizontally vented gas fueled equipment shall not approve

the installation unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in

accordance with the provisions of 248 CMR 5.08(2)(a) 1 through 4.

(b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a) 1 through 4:

1. The equipment listed in Chapter 10 entitled “Equipment Not Required To Be Vented” in the most current edition

of NFPA 54 as adopted by the Board; and

2. Product Approved side-wall horizontally vented gas fueled equipment installed in a room or structure separate from the

dwelling, building or structure used in whole or in part for residential purposes.

CSD-1 Field Testing of High Limit Switches for Vitodens boilers – where required by law.

As per ASME Boiler and Pressure Vessel Code, section IV, subsection HG-613 TEMPERATURE CONTROL requirements, Vitodens

200-W hot water boilers are protected from over-temperature by two temperature-operated controls. These temperature control devices conform to Standards for Limit Controls, and are accepted by CSA, a nationally recognized testing agency. Each boiler is equipped with a manual reset high temperature limit control and a temperature control that will cut off fuel supply when the system water temperature reaches a preset operating temperature. VIESSMANN IS NOT RESPONSIBLE FOR ANY DAMAGES

THAT THE FOLLOWING TEST PROCEDURE MAY RESULT IN BY OVERHEATING THE SYSTEM.

The Vitodens 200 boilers are equipped with flow switches or sensors that when activated enable the burner to operate.

The fixed high limit, when tripped, produces a fault that will require manual reset of the boiler control.

Fixed High Limit fault simulation #1:

- Ensure that the boiler and boiler pump are in normal operating condition (pump output sÖ is the boiler pump).

- Remove the cover from the back of the boiler control allowing access to the boiler control plugs.

- Under the extended menu (in the Operating manual), select ‘Test mode’ then ‘flue gas test ON’ and press ‘OK’.

- The boiler/burner will start a firing cycle and will gradually go into high fire mode.

- Once the burner ignites, disconnect the boiler pump plug sÖ from the boiler control board (gently with pliers).

Note: For boiler models equipped with flow switches (only boiler sizes 19 to 100), it may be required that flow switches be

jumpered during testing.

- Observe the boiler temperature on the control display.

- The temperature will gradually rise as more heat is put into the boiler heat exchanger. The burner will then shut off.

- The boiler temperature should continue to rise and once it reaches 210ºF (99ºC) the manual reset high limit safety switch will trip electronically generating an F2 fault.

- Should the limit temperature not be reached during the test, repeat the test with the following additional step;

- two minutes after the burner shuts off, energize the boiler pump for a maximum of 1 second (by plugging in boiler pump plug sÖ).

Fixed High Limit fault simulation #2:

- Close the boiler valve and jumper across the flow switch.

- Run the boiler at high fire and it will shut down by the coding card (in B2TB models, set coding address 06 to maximum) but should continue to steady increase the boiler temperature until the fixed high limit is tripped.

- Once the fixed high limit is tripped, slowly open the boiler valve to safely cool the boiler down.

7

General Information

Applicability

CAUTION

The boiler serial number must be provided when ordering replacement parts. Some replacement parts are not reverse compatible with previous versions of the

Vitodens 200-W B2HA boiler.


IMPORTANT

When ordering replacement parts, provide either the

16-digit boiler serial number (on the bar code label) or the 12-digit ASME/NB serial number, located as shown underneath boiler front enclosure panel. Refer to page 15 for instructions on how to remove front enclosure panel.

NG and LPG

Model No. B2HA 80

Serial No. 7554705 jjjjjjjjj

Model No. B2HA 88


Model No. B2HA 100


Product may not be exactly as shown

A

Inox-Radial heat exchanger made from stainless steel

– for high operational reliability and a long service life.

Large heating output in the smallest of spaces

B

Modulating MatriX DHW tank burner for extremely clean combustion and quiet operation

C Variable speed combustion fan for quiet and operation

D Gas and water connections

E Digital boiler control unit

8

Product Information

Natural gas-fired wall-mounted condensing heating boiler for weather-responsive operation in closed loop, forced circulation hot water heating systems for space heating and domestic hot water (DHW) production.

Models B2HA 80, 88 and 100 are for operation with natural gas. For a fuel conversion to liquid propane gas refer to the service instructions for details.

Boiler model must be selected based on an accurate heat loss calculation of the building. Ensure boiler model is compatible with connected radiation.

Vitodens 200-W, B2HA series boilers are factory-tested and calibrated. Further gas valve adjustments are not typically required during field start-up.

Multi boiler system

In connection with the installation of a multi boiler system observe the installation instructions of the multi boiler system accessories.


Mechanical Room

General Information

During the early stages of designing a new home, we recommend that proper consideration be given to constructing a separate mechanical room dedicated to the gas- or oil-fired heating equipment and domestic hot water storage tank(s).

The boiler must be located in a heated indoor area, near a floor drain, and as close as possible to a wall. Whenever possible, install the boiler near an outside wall so that it is easy to duct the venting system to the boiler.

Locate the boiler on a wall capable of supporting 220 lb. (100 kg) [the weight of the boiler filled with water]. Ensure that the boiler location does not interfere with the proper circulation of combustion and ventilation air of other fuel burning equipment within the mechanical room (if applicable).

The maximum room temperature of the mechanical room where the boiler is located must not exceed 104ºF (40ºC).

Installation area conditions

WARNING

Incorrect ambient conditions can lead to damage to the heating system and put safe operation at risk.

H

Ensure ambient temperatures are higher than 32°F

(0°C) and lower than 104°F (40°C).

H

Prevent the air from becoming contaminated by halogenated hydrocarbons (e.g. as contained in paint solvents or cleaning fluids) and excessive dust (e.g. through grinding or polishing work). Combustion air for the heating process, and ventilation of the boiler room must be free of corrosive contaminants. To that end, any boiler must be installed in an area that has no chemical exposure. The list to the right indicates the main, currently known sources.

H

Avoid continuously high levels of humidity (e.g. through frequent drying of laundry).

H

Never close existing ventilation openings.

WARNING

If you notice fire coming from the appliance, call the fire department immediately! Do not attempt to extinguish the fire unless qualified to do so.

IMPORTANT

The service life of the boiler’s exposed metallic surfaces, such as the casing and fan housing, is directly influenced by proximity to damp and salty marine environments. In such areas, higher concentration levels of chlorides from sea spray, coupled with relative humidity, can lead to degradation of the exposed metallic surfaces mentioned above. Therefore, it is imperative that boilers installed in such environments not be installed using direct vent systems which draw outdoor air for combustion. Such boilers must be installed using room air dependent vent systems; i.e. using room air for combustion. The indoor air will have a much lower relative humidity and, hence, potential corrosion will be minimized.

Sources of combustion and ventilation air contaminants

Areas likely to contain contaminants:

H

New building construction

H

Swimming pools

H

Remodelling areas, hobby rooms

H

Garages with workshops

H

Furniture refinishing areas

H

Dry cleaning/laundry areas and establishments

H

Auto body shops

H

Refrigeration repair shops

H

Metal fabrication plants

H

Plastic manufacturing plants

H

Photo processing plants

H

Beauty salons

Products containing contaminants:

H

Chlorine-type bleaches, detergents and cleaning solvents found in household laundry rooms

H

Paint and varnish removers

H

Hydrochloric acid, muriatic acid

H

Chlorine-based swimming pool chemicals

H

Spray cans containing chlorofluorocarbons

H

Chlorinated waxes and cleaners

H

Cements and glues

H

Refrigerant leaks

H

Calcium chloride used for thawing

H

Sodium chloride used for water softening salt

H

Permanent wave solutions

H

Adhesives used to fasten building products and other similar items

H

Antistatic fabric softeners used in clothes dryers

Boiler operation in marine environments (damp, salty coastal areas)

WARNING

Fire causes a risk of burns and explosion!

H

Shut down the boiler

H

Close fuel shut-off valves

H

Use a tested fire extinguisher, class ABC.

9

10

Set-up

Before Set-up

Before placing boiler in its installation location, ensure all necessary accessories are installed.

Vitodens 200-W B2HA 80, 100 Installation

CAUTION

The boiler must be installed in such a way that gas ignition system components are protected from water

(spraying, splashing, etc.) during boiler operation and service.

Minimum Clearances

Note: The Vitodens 200-W, B2HA boiler has passed the zero inches vent clearance to combustibles testing requirements dictated by the boiler Harmonized

Standard ANSI Z21.13. CSA 4.9 (latest edition) and therefore is listed for zero clearance to combustibles when vented with a single-wall special venting system (AL-29-4C material) or

UL/ULC-listed CPVC/PPs gas vent material. The zero inches vent clearance to combustibles for the Vitodens 200-W, B2HA boiler supercedes the clearance to combustibles listing that appears on the special venting system label.

Recommended minimum service clearances

For typical Vitodens installations, Viessmann recommends installing the boiler with the clearances shown in the illustration on the left.

Note: The 12 in. (305 mm) side clearance specified is only recommended to be able to view the boiler certified rating plate, decal and also accommodate the PRV installation kit.

If the pressure relief valve is rotated 90º facing forward by using an extension between the tee and the boiler connection, then this clearance can be reduced to b in.

This b in. clearance is only required to be able to remove the boiler’s front cover and view the rating plate attached to it, if needed.

This reduced clearance is also used in Vitodens multiple boiler installation system as described in the multiple boiler installation instructions.

The Vitodens 200-W, B2HA boiler is approved for closet and alcove installation with the following clearances to combustibles.

Table 1 Clearances

Top Front Rear Left Right Vent pipe

0 0 AL CL 0 0 0 0

AL = Alcove

CL = Closet

See the Vitodens 200-W B2HA Venting

System Installation Instructions for details.


Preparing the Connections

Boiler Connections

Use an approved pipe sealant or teflon tape when connecting the following installation fittings.

This section constitutes an overview only! Refer to subsequent sections for detailed information on individual piping connections.

*1 DHW

Connections

(Field Supplied)

Legend

DR Boiler heating return for domestic hot water production

DS Boiler heating supply for domestic hot water production

BD Boiler Drain

BF Boiler Fill

BR Boiler Return

BS Boiler Supply

GC Gas Connection

PRV Pressure Relief Valve

*1 See page 42 or alternate DHW connection.

*2 Discard when using the multi-boiler distribution

manifold

11

Boiler Connections

Preparing the Connections

(continued)


This section constitutes an overview only! Refer to subsequent sections for detailed information on individual piping connections.

Use an approved pipe sealant or teflon tape when connecting the following installation fittings.

IMPORTANT

The maximum ambient temperature must not exceed

104º F (40º C).

Note: When preparing gas, water and electrical connections in the field, see section entitled

“Wall Mounting” on page 13, 14 and 15 of this manual for information regarding the installation of the wall mounting bracket.

1. Heating water connections and gas connection to be made in the field. See illustration and connectionspecific section for details.

2. See subsection entitled “Electrical Connections” for details regarding power supply to the Vitodens

200-W B2HA boiler.

12

Legend

A Boiler Supply

B Gas Connection, 1” NPTF

C

Boiler Return

D

Recommended height (single boiler system)

E Condensate drain


Wall Mounting

Boiler Connections

Fitting the wall mounting bracket

Following are the installation instructions for the mounting bracket on each material. See the instructions applicable to your installation requirements.

Installing the wall mounting bracket

The Vitodens 200-W B2HA can be wall-mounted on a concrete wall.

Note: The enclosed screws and rawlplugs are only suitable for concrete. For other construction materials, use bolts and anchors that are suitable for 220 lb (100 kg) loads.

Installation of mounting bracket on brick/concrete wall

holes

31

/

64

in. (12 mm).

2. Install rawlplugs and screw mounting bracket wall.

3. Ensure the mounting bracket is level.

CAUTION

Whichever mounting method is used, ensure that the bracket is tightly and securely fastened to wall. Failure to secure boiler properly could cause boiler to loosen, posing a severe safety hazard.

13

14

Boiler Connections

Wall Mounting

(continued)


Boiler mounting bracket

Install the boiler mounting bracket to the wall studs.

Ensure the mounting bracket is level.

To mount on wood or metal studs a cross bar or frame may be required as reinforcement. The wall and studs must be capable of supporting a minimum of 220 lb.

(100 kg).

For construction materials, use fixings that are suitable for 220 lb (100 kg) loads.

Installation on wood studs

Install mounting bracket on wood studs as per illustration.

Drill 3 /

16

” pilot holes to insert mounting bolts. Ensure that holes are located in the center of each wood stud. Secure with bolts to wooden studs as shown.

Installation on metal studs

Install mounting bracket on metal studs as per illustration.

Drill f” pilot holes to insert anchors. Ensure that holes are located in the center of each metal stud. Use appropriate fasteners to mount to metal studs (not supplied). Secure with bolts to metal studs as shown. Ensure the mounting bracket is level.


Wall Mounting

(continued)

Boiler Connections

1. Remove the external accessories connection box

cover.

2. Loosen the screws at the bottom of the boiler

(do not remove completely).

3. Remove the front encloser panel (lift up and pull away from the boiler).

4. Mount boiler onto the mounting bracket.

5. Adjust the levelling screws to ensure the boiler is level. Place the round bubble level on top of the boiler to verify.

Note: For draining of the condensate (see page 28).

6. Install supplied installation fittings as per layout

(see page 11).

CAUTION

The boiler must be level both vertically and horizontally to ensure proper draining of the condensate.

15

16

Boiler Connections

Frame Mounting


The boiler stand is used for free-standing installation of a single boiler within the mechanical room.

When using the boiler stand, ensure that the stand is securely fastened to the floor (recommended concrete expansion anchors are Hilti model KB-TZ e x 4 or equivalent.

a in. (mm) b in. (mm) c in. (mm) d in. (mm) e in. (mm)

19f (500)

76cb (195012.7)

63b (160012.7)

22 (560)

24 (610) a *1 in. (mm) b *1 in. (mm) c in. (mm) d in. (mm)

Vitodens 200-W

B2HA 80/88/100

34a (870)

79b (2020)

23 (585)

5d (130)

*1 b in. (12.7 mm) for adjustment of the levelling feet.


Models B2HA 80, 88, 100 Frame Mounting

Boiler Connections

1. Remove the external accessories connection box

cover.

2. Loosen the screws at the bottom of the boiler

(do not remove completely).

3. Remove the front encloser panel (lift up and pull away from the boiler).

4. Mount boiler onto the mounting bracket and ensure the boiler is securely mounted. Then install the holding bracket to the frame on top of the boiler.

5. Adjust the levelling screws to ensure the boiler level.

6. Connect the boiler to the installation fittings.

CAUTION

The boiler must be level both vertically and horizontally to ensure proper draining of the condensate.

17

18

Boiler Connections

Connections

2 imperfect threads


Connecting power

The Vitodens 200-W boiler has a external accessories connection box installed, which requires a 120VAC/12A power supply. Refer to the wiring diagram on page 46.

Boiler venting

The Vitodens 200-W B2HA boiler comes with a pre-installed vent pipe adaptor.

Run venting system, single-wall or coaxial, through the side wall or the roof, taking the shortest possible route and at a rising angle (min. 3º).

WARNING

Remove outer gasket if single wall (boiler room air dependant) venting system is used.

Proper piping practice

Support piping by proper suspension method. Piping must not rest on or be supported by boiler. Use moderate amount of dope.

Leave 2 threads bare

Manual gas shutoff

Open

Closed

Gas shut-off valve connection

1. Make gas connections in accordance with codes

CAN/CSA B149.1 and .2 or National Fuel Gas Code

ANSI Z223.1/NFPA 54, as well as local codes.

2. Connect gas shutoff valve to the boiler gas connection.

3. Once connected close gas shutoff valve on boiler.

See following page for details on gas connection and piping.


Connections

(continued)

Legend

A Gas connection 7 1 in. (NPT)

B Accessible manual gas shutoff valve

C Ground joint union

D

Drip leg

Boiler Connections

Gas connection and piping

1. Refer to current CAN/CSA B149.1 and .2 or National

Fuel Gas Code ANSI Z223.1/NFPA 54, as well as local codes for gas piping requirements and sizing.

Pipe size to the boiler must be determined based on:

- pipe length

- number of fittings

- type of gas

- maximum input requirements of all gas appliances

in the residence.

IMPORTANT

Design piping layout in such a way that piping does not interfere with serviceable components.

2. Before connecting boiler to gas line, install ground joint union, capped drip leg and a manual equipment shutoff valve as shown. Valves must be listed by a nationally recognized testing agency. Make boiler gas connection as shown.

3. Perform gas piping pressure test as described in the following subsection.

IMPORTANT

Max. gas supply pressure: 14 “w.c.

4. Identify shutoff valves as such with a tab and familiarize operator / ultimate owner of boiler with these valves.

See Vitodens 200-W B2HA Service Instructions for applicable system coding information.

WARNING

The gas supply piping must be leak tested before placing the boiler in operation.

CAUTION

Ensure that gas piping is large enough for all appliances in the residence. No noticeable gas pressure drop in the gas line must occur when any unit (or combination of units) lights or runs.

IMPORTANT

Regarding operation with LPG, we recommend the installation of an external safety solenoid valve when installing the boiler in rooms below ground level.

19

20

Boiler Connections

Connections

(continued)


Gas piping pressure test

When performing the gas piping pressure test, ensure the following requirements are met.

WARNING

Never check for gas leaks with an open flame.

Heating water connections

1. Thoroughly flush heating system (particularly before connecting the boiler to an existing system).

2. Connect boiler to the heating system.

Max. operating pressure: 4 bar (60 psig)

Test pressure: 6 bar (90 psig)

WARNING

Exposing boiler gas pressure regulator and gas valve to extreme pressures renders warranty null and void.

IMPORTANT

Damage resulting from pressure exceeding those values stated is not covered by Viessmann warranty.

3. Connect field supplied nipples and tees as shown for DHW supply and return.

IMPORTANT

½ psig = 14 “w.c.

1. Isolate the boiler from the gas supply piping system using the individual manual shutoff valve during pressure tests equal to or less than ½ psig (14 “w.c.)

2. The boiler and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of ½ psig (14 “w.c.)

3. Perform leak test.

Use approved liquid spray solution for bubble test.

Ensure that no liquid is sprayed on any electrical components, wires or connectors. Do not allow leak detection fluid to contact gas valve regulator or regulator vent opening.

4. Correct any and all deficiencies.

5. Remove air from gas line.

*1 DHW

Connections

(Field Supplied)

Legend

DR Boiler heating return for domestic hot water production

DS Boiler heating supply for domestic hot water production

BD Boiler Drain

BF Boiler Fill

BR Boiler Return

BS Boiler Supply

GC Gas Connection

PRV Pressure Relief Valve

*1 See page 42 for alternate DHW connection.

IMPORTANT

Apply sufficient amount of thread sealant (supplied) when making the connections.


Connections

(continued)

Boiler Connections

DHW storage tank information

The DHW water tank sensor is required when using a stand-alone DHW storage tank with the Vitodens 200-W

B2HA heating boiler. It comprises the sensor only required for the connection of a stand-alone tank. All other required piping connections are field supplied.


IMPORTANT

Apply sufficient amount of thread sealant (supplied) when making the connections.

Making the DHW connections

1. With a Vitocell 100 and 300 series tanks locate the

DHW temperature sensor well and install the

DHW temperature sensor % using the installation instructions provided with the DHW storage tanks.

IMPORTANT

Follow the Installation Instructions supplied with the

Viessmann DHW storage tank when mounting and

securing DHW tank temperature sensor %.

WARNING

If a DHW storage tank other than a Viessmann Vitocell

100 or 300 tank is used, the installer must verify proper operation of the Viessmann DHW tank temperature sensor with original manufacturer of the tank. Viessmann strongly recommends the installation of a temperature tempering valve in the DHW supply line.

21

22

Boiler Connections

Connections

(continued)


Accessing the control unit connections

1. Remove both screws from the external accessory connection box front plate and set aside.

2. Loosen both retaining screws as shown (do not remove).

3. Pull the external accessory connection box forward until the retaining screws are clear of the guides.

4. Swing the external accessory connection box down.


Connections

(continued)

Boiler Connections

5. Tilt the bottom of the external accessory connection box cover forward.

6. Pull the cover up to clear the locating pins and out to remove, then set aside.

7. Slide both sides of the programming unit cover closed.

8. Release the hinged hooks located on both sides of the control unit.

9. To open hinged cover, lift cover and then fold down the control unit.

10. Release locking tabs as shown.

11. Remove cover.

23

Boiler Connections

Connections

(continued)


12. Route all connecting cables to the appropriate areas and secure the cables to the control base using existing strain reliefs as shown.

CAUTION

When running and securing connecting cables on site, ensure that the maximum permissible temperatures of the cables are not exceeded.

Electronic modules can be damaged by electrostatic discharges. Before commencing work, touch grounded objects (such as heating or water pipes) to discharge static loads.

Routing the connecting cables

Note: If connecting cables touch hot components they will be damaged. When routing and securing connecting cables on site, ensure that the maximum permissible temperatures for these cables are not exceeded.

Remove the existing cable grommet when using larger cross-sections [up to 9/16 in. (7 14 mm)]. Secure the cable with the cable grommet plugged into the lower casing section (black).

24

Legend

A Low voltage connections

B 120V connections

C Internal extension

D Main PCB

E Communication module (accessory)

F Cable grommet for power cable

% Plugs for connecting the DHW temperature sensor to the cable harness


Connections

(continued)

Field Connection

Connection

X9 Connector

(boiler control board)

Boiler Connections

Connecting DHW sensor

1. Attach the DHW sensor to the quick connect plugs provided from the boiler control board (see page 23).

Install DHW tank temperature sensor as described in the Vitocell Installation

Instructions supplied with the DHW storage tank.

Setting altitude parameters

In the factory default setting, the boiler is equipped to operate in altitudes of up to 5,000 ft. (1,500 m).

Altitude can be set using coding address 93 (in coding level 2 General).


25

26

Boiler Connections

Connections

(continued)

DHW

TEMPERATURE

SENSOR

OUTDOOR

TEMPERATURE

SENSOR


Control base

Note: See wiring diagram on page 44 for connection to the external accessory connection box.


Connections

(continued)

ACCESSORIES

(ie VITOTROL

REMOTE OR

MIXING VALVE)

0-10V INPUT

Boiler Connections

External accessory connection box

Note: See wiring diagram on page 44 for connection to the control base.

120/1/60 12 AMP

POWER SUPPLY WITH

DISCONNECT AND

PROTECTION

PUMP

27

28

Boiler Connections

Connections

(continued)

Condensate Connection for Vitodens

200-W, models B2HA 80, 100

Legend

A

Cap

B

Union nut

C Siphon trap

D Retaining clip

E

Flexible discharge tubing

F

Discharge tube

Condensate installation example:

Air gap


Condensate connection

The Vitodens 200-W B2HA boiler comes with a builtin condensate trap. An external trap is not required when connecting the field drain to flexible discharge tubing. Discharge tubing (field supplied) must be of 1 in. diameter.

Use CPVC, PVC or other material approved by codes listed below.

The drain pipe and fittings must conform to ANSI standards and ASTM D1785 or D2846. CPVC or PVC cement and primer must conform to ASTM D2564 or

F493. In Canada use CSA or ULC listed schedule 40

CPVC or PVC drain pipe, fittings and cement.

If the condensate outlet of the Vitodens 200-W B2HA boiler is lower than the drain, a condensate pump must be installed. Select a pump which is approved for condensing boiler applications. To avoid condensate spillage, select a pump with an overflow switch. The drain connection must terminate into an open or vented drain as close to the boiler as possible to prevent siphoning of the boiler drain.

1. Install the condensate drain pipe with a suitable gradient. Pull the condensate hose so far out of the boiler that no unnecessary bends are created inside the boiler. Check tightness of siphon connection.

IMPORTANT

As shipped, the flexible discharge tubing E will be found

to be pushed up inside the boiler housing. Ensure the condensate drain pipe is pulled down and positioned to allow the condensate to properly drain.

2. Discharge condensate from the boiler into the vented drainage system, either directly or (if required) via a neutralization unit (accessory).

Installation Instructions of Neutralization Unit

(if applicable)

IMPORTANT

Pipe ventilation must take place between the siphon trap and the neutralization unit (if applicable).

IMPORTANT

Do not connect the drain pipe from any other appliance, such as water softener backwash pipe, to Vitodens condensate drain pipe.

3. Ensure the condensate discharge tubing is vented to the atmosphere prior to being plumbed into the unit.


Safety Connections and Pressure Testing

Legend

A Reducing tee, 1½ in. x 1½ in. x ¾ in.

B Nipple, length 1½ in. x 2½ in. (field supplied)

C Isolation valve, 1½ in. (field supplied)

D

Nipple, length 3½ in. x ¾ in.

E

Tee ¾ in.

F Nipple, length 1½ in. x ¾ in.

G Pressure relief valve, ¾ in. NPT

H Drain valve connection, ¾ in.

Minimum connection diameters:

Pressure relief valve.........................¾ in.

Discharge pipe................................¾ in.

Piping to precharged expansion tank..(field supplied)

Boiler Connections

Installing boiler safety devices

1. Remove loosely pre-assembled combination pressure relief valve and drain valve assembly.

2. Apply sufficient amount of pipe sealant to both ends of all pipe fittings B,D,F and H and install onto tees A, and E.

3. Install pressure relief valve F and isolation valve C

4. Install discharge pipe on pressure relief valve in such a way that...

- the end of the pipe is not threaded.

- the pressure relief discharge pipe extends to a floor

drain and ends approximately 6 in. (150 mm) above

the drain.

- there is no shutoff valve installed in the discharge pipe.

- discharge pipe diameter is not reduced.

- discharge is not piped to outdoors.

IMPORTANT

Install the (approved) factory supplied pressure relief valve.

Removal of air from the system must occur via use of air vent(s) in the system supply. To ensure the boiler can be purged of all air, ensure supply/return water lines do not contain restrictive piping where air could be trapped.

WARNING

Do not install an isolation valve between boiler and pressure relief valve.

The discharge pipe for the pressure relief valve must be oriented to prevent scalding of attendants.

Pipe pressure relief valve discharge pipe close to floor drain. Never pipe discharge pipe to the outdoors.

29

30

Boiler Connections


Safety Connections and Pressure Testing

(continued)

Low water cut-off

A low water cut-off may be required by local codes. If boiler is installed above radiation level, a low water cut-off device of approved type (field supplied) must be installed in all instances. Do not install an isolation valve between boiler and low water cut-off.

WARNING

Exposing the boiler to pressures and temperatures in excess of those listed will result in damages, and will render warranty null and void.

Max. operating pressure...............4 bar (60 psig)

Testing pressure..........................6 bar (90 psig)

Max. boiler water temperature......210ºF (99ºC)

Performing a boiler pressure test

The boiler must be leak tested before being placed in operation. Before boiler is connected to piping or electrical power supply, it must be hydrostatically pressure tested.

1. After installing safety devices (see previous page), install temporary cap on ¾ in. x 2 in. nipple.

2. Cap supply and return connections.

3. Connect ½ in. garden hose to boiler fill valve at the bottom of the boiler and fill boiler slowly until pressure gage indicates max. 4 bar (60 psig).

4. Maintain pressure for 15 minutes. During time of pressure testing, do not leave boiler unattended.

5. Inspect all pipe joint connections and safety devices with a flashlight for leaks. A lower manometer reading than 4 bar (60 psig) usually indicates loss of water due to leakage. All leaks must be repaired.

6. After 15 minutes, release water pressure from boiler by opening boiler drain valve slowly, remove caps from supply and return connections as well as ¾ in. cap from 2 in. nipple, and install pressure relief valve immediately instead of ¾ in. cap.

7. After boiler has passed pressure test, proceed with the installation.

Waterside flow

Waterside flow (primary circuit)

The Vitodens 200-W, B2HA is designed for closed loop, forced circulation hot water heating systems only.

Use standard friction loss method for pipe sizing. Observe boiler maximum and minimum flow rate limitations.

If system flow rate exceeds boiler maximum flow rate

(as stated above), falls below the minimum flow rate or if system flow rate is unknown, Viessmann strongly recommends the installation of a low-loss header.

Once the low-loss header is connected, the built-in lowloss header logic of the Vitodens 200-W boiler ensures the required t across the system through the sensory communication between the low-loss header and the boiler.

An alternative method may be used, such as primary secondary piping using closely spaced tees. A low-loss header offers additional benefits not provided by a pair of closely spaced tees. Viessmann therefore strongly recommends and prefers the use of a low-loss header over closely spaced tees. Refer to the Technical Data manual for low-loss header information.

Pressure drop (primary circuit) for

Vitodens 200-W, B2HA 80, 100

For sizing an on-site circulation system.

Max. flow rate 25 USGPM (5700 L/h)

Flow rate


Waterside flow

(continued)

Boiler Connections

Boiler max. flow rate for B2HA 80; 25 GPM (5700 L/h)

Model B2HA 80

Output

(NG/LPG) MBH

 t for NG/LPG

20ºF rise GPM

(L/h)

25ºF rise GPM

(L/h)

30ºF rise GPM

(L/h)

35ºF rise GPM

(L/h)

40ºF rise GPM

(L/h)

1 boiler

260

26

(5905)

*1 20.8

(4724)

*1 17.3

(3937)

*1 15

(3374)

*1 13

(2953)

2 boilers

520

52

(11811)

41.6

(9449)

35

(7874)

30

(6749)

26

(5906)

3 boilers

780

78

(17717)

62.4

(14174)

52

(11811)

44.6

(10124)

39

(8859)

*1 Low loss header optional


Model B2HA 88

Output

(NG/LPG) MBH

1 boiler

260

2 boilers

520

3 boilers

780

 t for NG/LPG

20ºF rise GPM

(L/h)

25ºF rise GPM

(L/h)

30ºF rise GPM

(L/h)

35ºF rise GPM

(L/h)

40ºF rise GPM

(L/h)

29.4

(6677)

*1 23.5

(5342)

*1 19.6

(4452)

*1 16.8

(3816)

*1 14.7

(3339)

58

(13355)

47.0

(10684)

39.2

(8903)

33.6

(7631)

29.4

(6677)

88.2

(20032)

70.6

(16026)

58.8

(13355)

50.4

(11447)

44.1

(10016)


4 boilers

1040

104

(23223)

83.2

(18898)

69.3

(15749)

59.4

(13499)

52

(11811)

4 boilers

1040

117.6

(26709)

94.1

(21367)

78.4

(17806)

67.2

(15262)

58.8

(13355)


Model B2HA 100

Output (NG/LPG)

MBH

1 boiler 2 boilers

333 666

3 boilers

999

4 boilers

1322

5 boilers

1300

130

(29526)

104

(23621)

87

(19684)

74.3

(16872)

65

(14763)

5 boilers

1300

147.0

(33387)

117.6

(26079)

98.0

(22258)

84.0

(19078)

73.5

(16693)

6 boilers

1560

156

(35434)

125

(28347)

104

(23623)

89

(20248)

78

(17717)

6 boilers

1560

176.4

(40064)

141.1

(32051)

117.6

(26709)

100.8

(22894)

88.2

(20032)

7 boilers

1820

7 boilers

1820

205.8

(46741)

164.6

(37393)

137.2

(31161)

117.6

(26709)

102.9

(23371)

182

(41340)

145.6

(33072)

121.3

(27560)

104

(23623)

91

(20670)

5 boilers 6 boilers 7 boilers

1665 1998 2331

8 boilers

3960

208

(47246)

166.4

(37797)

138.7

(31497)

119

(26997)

104

(23623)

8 boilers

3960

235.2

(53419)

188.2

(42735

156.8

(35612)

134.4

(30525)

117.6

(26709)

8 boilers

2664

 t for NG/LPG

20ºF rise GPM

(L/h)

25ºF rise GPM

(L/h)

30ºF rise GPM

(L/h)

35ºF rise GPM

(L/h)

40ºF rise GPM

(L/h)

33.3

(7563)

26.6

(6051)

*1 22.2

(5042)

*1 19

(4322)

*1 16.7

(3781.6)


66.6

(15128)

53.3

(12102)

44.4

(10085)

38.1

(8644)

33.3

(7564)

100

(22692)

80

(18153)

66.6

(15128)

57

(12967)

50

(11346)

133

(30255)

106.6

(24204)

89

(20170)

76

(17289)

66.6

(15128)

166.5

(37816)

133

(30253)

111

(25211)

95

(21609)

83

(18908)

200

(45383)

160

(36307)

133

(30255)

114

(25933)

100

(22692)

233

(52947)

187

(42377)

155.4

(35298)

133

(30255)

117

(26473)

266.4

(60510)

213

(48409)

178

(40341)

152

(34578)

133

(30255)

31

32

Boiler Connections

Installation Examples


General

The schematics on the following pages are to be seen as guidelines only. They further do not display all system varieties, safety devices, or concepts possible. Specific system layouts may be further discussed with the local

Viessmann sales representative office.

Clearances

A minimum of 2 in. (51 mm) circumferential clearance from non-insulated hot water pipes to combustible construction must be maintained. In cases where the pipes are insulated with pipe insulation of appropriate and sufficient thickness and insulation values, the above clearance may be reduced to 0 in. (refer to local gas codes).

CAUTION

For underfloor heating applications, an additional immersion or strap-on aquastat must be installed in the low temperature underfloor loop (downstream of the mixing valve) to de-energize the pump and/or boiler to prevent overheating. High water temperatures can damage concrete slabs.

IMPORTANT

The examples on the following pages depict possible piping layouts of the Vitodens 200-W B2HA boiler equipped with Viessmann System Technology.

For boiler and tank combinations, please install only feasible combinations listed in the Viessmann Price List.

Please note that the following examples are simplified conceptual drawings only!

Piping and necessary componentry must be field verified.

A low water cut-off (LWCO) must be installed where required by local codes.

Proper installation and functionality in the field is the responsibility of the heating contractor.

WARNING

If a DHW storage tank other than a Viessmann Vitocell

100 or 300 tank is used, the installer must verify proper operation of the Viessmann DHW tank temperature sensor with the original manufacturer of the tank.

Viessmann strongly recommends the installation of a temperature tempering valve in the DHW supply line.

IMPORTANT

DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, shall be a minimum of 1¼ in. pipe size. This will ensure the residual head of the field supplied pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficient water flow to the boiler heat exchanger.

In non-Viessmann DHW tank applications, perform, in addition to the above, accurate calculations for DHW tank coil pressure drop versus boiler pump (field supplied) residual head to ensure sufficient water flow to the boiler heat exchanger. Failure to heed the above instructions may cause boiler short-cycling and inadequate DHW supply.

Note: In the following piping layout examples all pumps are field supplied.


System Layout 1

Vitodens 200-W, B2HA with a direct-connected heating circuit

Boiler Connections

Legend

A Vitodens 200-W B2HA boiler with

Vitotronic 200, HO1B outdoor reset control

B Outdoor temperature sensor !

C Vitotrol remote (optional)

D Heating

E Heating circuit pump

20

F DHW circulating pump sA

G DHW storage tank

H DHW tank temperature sensor %

I Expansion

J Flow check valve

K DHW recirculation pump

28/20

*

L Temperature and pressure relief valve

M Pressure relief valve

* Function based on coding of address 33

Installation of ...

■

radiator heating circuit (high-temp. circuit)

■

DHW

... with the following flow conditions:

The flow rate of the heating circuit is less than the maximum possible water flow rate of the Vitodens 200-W

B2HA boiler (see page 30 for maximum water flow rate of boiler).

The use of a low-loss header is strongly recommended if the maximum water flow rate in the application concerned exceeds the values shown in the applicable table on page

31, or if the system flow rates are unknown.

The low-loss header is available as accessory part.

See following pages for installation examples with a lowloss header.

IMPORTANT

DHW circulating pump F must pump into the Vitodens

200-W boiler (as illustrated).

33

Boiler Connections

System Layout 2

Vitodens 200-W, B2HA with one heating circuit and low-loss header


34

Legend


Vitotronic 200, HO1B outdoor reset

control



D Heating

E

Boiler

20

F

DHW circulating pump sA

G DHW storage tank

H DHW tank temperature sensor %

I Expansion

J

Temperature and pressure relief valve

K

DHW recirculation pump

28/20

*

L Low-loss header


N Viessmann temperature sensor for

low-loss

?

O

Heating circuit pump

28/20

*


Installation of ...

■ radiator heating circuit (high-temp. circuit)

■

DHW


The flow rate of the heating circuit is greater than the maximum possible water flow rate of the Vitodens

200-W B2HA boiler (see page 30 for maximum water flow rate of boiler).

The use of a low-loss header is strongly recommended if the maximum water flow rate in the application concerned exceeds the values shown on page 31, or if the system flow rates are unknown.


IMPORTANT

Please note location of expansion tank.

DHW circulating pump F must pump into the Vitodens

200-W B2HA boiler (as illustrated).


System Layout 3

Vitodens 200-W, B2HA with...

- DHW storage tank

- one heating circuit with mixing valve and system separation

Boiler Connections

Legend



control

B

Outdoor

!

C

Vitotrol remote (optional)

D Underfloor heating circuit

E Mixing valve temperature sensor ?

F

Pressure relief valve

G

Plate heat exchanger for system

separation

H Accessory kit for heating circuit with

mixing

I


J

DHW storage tank

K

DHW tank temperature sensor %

L Expansion

M DHW recirculation pump

28/20

*

N


O

Flow check valve

P


20

Q Heating circuit pump


IMPORTANT

DHW circulating pump must pump I into the Vitodens


Installation of ...

■ underfloor heating circuit with 3-way mixing valve and system separation (low-temp. circuit)

■

DHW


The flow rate of the heating circuit is less than the maximum possible water flow rate of the Vitodens

200-W B2HA boiler.

See page 30 for maximum water flow rate of the

Vitodens 200-W B2HA boilers. The use of a low-loss header is recommended if the system water flow rate is unknown. See the Technical Data Manual.


See following pages for installation examples with a low-loss header.

IMPORTANT

System separation is required of underfloor heating systems employing non-oxygen diffusion barrier tubing.

All components on the secondary side of the heat exchanger must be made of corrosion-resistant materials.

IMPORTANT

Sizing of field-supplied pump P is critical for proper

boiler operation in this system layout. See page 30 for the supply head pressure drop of the boiler. An undersized pump may cause short-cycling and/or improper operation of the boiler. Viessmann STRONGLY recommends using a low-loss header and a boiler pump in this system layout.

35

Boiler Connections

System Layout 4


- DHW storage tank

- one direct-connected heating circuit

- one heating circuit with a mixing valve


36

Legend



control

B

Outdoor temperature sensor !

C


D Under floor heating circuit

E Radiator heating circuit

F Heating circuit pump

G

Mixing valve temperature sensor ?

H

Accessory kit for heating circuit with mixing valve

I Domestic hot water storage tank

J DHW tank temperature sensor %

K Expansion

L


M


N DHW recirculation pump

28/20

*

O Boiler

P DHW circulating pump sA


IMPORTANT

DHW circulating pump P must pump into the Vitodens

200-W B2HA boiler (as illustrated).

Installation of different heating circuits...

■


■

under floor heating circuit with 3-way mixing valve circuit)

■

DHW


1. The water flow rate (output) of the radiator heating circuit is at least 30% greater than that of the under floor heating circuit.

2. The total flow rate of the two heating circuits is less than the maximum possible water flow rate of the Vitodens 200-W B2HA boiler (see page 30 for max. water flow rate).

The use of a low-loss header is strongly recommended if the maximum water flow rate in the application concerned exceeds the values shown on page 30, or if the system flow rates are unknown.


See following pages for additional installation examples with a low-loss header.

The 3-way mixing valve, built-in to achieve the lowtemperature level of the under floor heating circuit, is controlled by an accessory kit for a heating circuit with mixing valve.


System Layout 5


- DHW storage tank

- one heating circuit with mixing valve

- one heating circuit without mixing valve and low-loss header

Boiler Connections

Legend

A

Vitodens 200-W B2HA boiler with





E

Radiator heating circuit

F

Boiler circuit pump

20

G Mixing valve temperature sensor ?

H Kit for heating circuit with mixing valve

I Domestic hot water storage tank

J


K

Expansion

L Temperature and pressure relief valve


N DHW recirculation pump

28/20

*

O


P


Q Low-loss

R Viessmann temperature sensor for low-loss header ?

S Heating circuit pump

28/

20

*


■ radiator heating circuit (high-temp. circuit)

■ under floor heating circuit with 3-way mixing valve circuit)

■ DHW


The total flow rate of the two heating circuits is greater than the maximum possible water flow rate of the

Vitodens 200-W B2HA boiler (see page 30 for maximum water flow rate of boiler).

The use of a low-loss header is strongly recommended.


The 3-way mixing valve, built-in to achieve the lowtemperature level of the under floor heating circuit, is controlled by an accessory kit for a heating circuit with mixing valve.

IMPORTANT

DHW circulating pump O must pump into the Vitodens



37

Boiler Connections

System Layout 6


- DHW storage tank

- one heating circuit without a mixing valve

- two heating circuits with a mixing valve

- low-loss header


38

Legend



B

Outdoor temperature sensor !



E Heating circuit pump

28/20

*

F

Mixing valve temperature sensor ?

G


H Heating circuit pumps

I DHW storage tank

J DHW tank temperature sensor %

K tank

L


M Low-loss

N Viessmann temperature sensor for low-loss header ?

O Pressure relief valve

P


28/20

*

Q


R Boiler

20

S DHW circulating pump sA



■

two heating circuits with 3-way mixing valve circuit)

■

DHW


The total flow rate of the two heating circuits is greater than the maximum possible water flow rate of the

Vitodens 200-W B2HA boiler (see page 30 for maximum water flow rate of boiler).

The use of a low-loss header is strongly recommended.


The 3-way mixing valve, built-in to achieve the lowtemperature level of the under floor heating circuit, is controlled by an accessory kit for a heating circuit with a mixing valve.

IMPORTANT

DHW circulating pump S must pump into the Vitodens



System Layout 7


- direct-connected heating circuit

- one heating circuit with system separation

Boiler Connections

Legend

A

Vitodens 200-W B2HA boiler with Vitotronic 200,

HO1B outdoor reset control



D

Under floor heating circuit

E


F Plate heat exchanger for system separation

G Heating circuit pump

H Mixing valve temperature sensor ?

I


J

DHW storage tank

K DHW tank temperature sensor %

L Expansion

M Temperature and pressure relief valve

N


O


28/20

*

P Boiler

20

Q DHW circulating pump sA


IMPORTANT

DHW circulating pump Q must pump into the Vitodens



■


■

under floor heating circuit with 3-way mixing valve circuit)

■

DHW


The total flow rate of the two heating circuits is less than the maximum possible water flow rate of the Vitodens

200-W B2HA boiler (see page 30 for maximum water flow rate of boiler).

The use of a low-loss header is strongly recommended if the maximum water flow rate in the application concerned exceeds the max. boiler flow rate, or if the system flow rates are unknown. The low-loss header is available as accessory part.

The 3-way mixing valve, built-in to achieve the lowtemperature level of the under floor heating circuit, is controlled by an accessory kit for a heating circuit with mixing valve I. The boiler pump

20

supplies the radiator heating circuit and the plate heat exchanger for system separation.

IMPORTANT

The pressure drop (secondary circuit) of the plate heat

exchanger F must be less/equal to the pressure drop of

the 3-way mixing valve. This must be taken into account when sizing the plate heat exchanger.

39

Boiler Connections

System Layout 8


- DHW storage tank

- low-loss header

- multiple heating circuits with mixing valves

- one heating circuit without mixing valve


40

When designing a system as illustrated above, please contact your local Viessmann Sales Representative for assistance.

Legend

A Vitodens 200-W B2HA boiler with Vitotronic

200, HO1B outdoor reset control

B

Outdoor

C

Boiler temperature

20

D

Vitotronic 200-H, HK1B *1

E Mixing valve temperature sensor ?

F Heating circuit pumps

G


H

Heating circuits with mixing valves

I

Viessmann temperature sensor for low-loss header ?

J Low-loss

K DHW circulating pump sA

L


M

DHW storage tank

N tank

O DHW recirculation pump sK

P Heating circuit pump

28/20

*

Q


R


S


T Pressure relief valve


*1 Contact your local Sales Representative for details.

Vitotronic 200-H, HK1B mixing valve control with

LON communication module can be used instead of the accessory kit and Vitocontrol.

IMPORTANT

Please note location of expansion tank N.

IMPORTANT

Pumps C and K must pump into the Vitodens 200-W

B2HA boiler (as illustrated).


System Layout 9

Multiple (up to eight) Vitodens 200-W, models B2HA 80 to 100 with...

- multiple heating circuits with mixing valves

- low-loss header

Boiler Connections

Legend

A boiler

B Vitotronic

C Low-loss header/common supply temperature sensor

D

Low-loss

E

DHW storage tank

F

High temperature heating circuit

G Low temperature heating circuit

When designing a multiple Vitodens system as shown above, please reference applicable multiple Vitodens technical documentation, and contact your local Viessmann

Sales Representative for further assistance.

This installation example depicts a possible piping layout for multiple Vitodens 200-W, B2HA boilers equipped with

Viessmann System Technology. Please note that this example is based on a simplified conceptual drawing only!

Piping and necessary componentry must be field verified.

A low water cut-off (LWCO) must be installed where required by local codes.

Proper installation and functionality in the field is the responsibility of the heating contractor.

WARNING

If a DHW storage tank other than a Viessmann

Vitocell 100 or 300 tank is used, the installer must verify proper operation of the Viessmann DHW tank temperature sensor with the original manufacturer of the tank. Viessmann strongly recommends the installation of a temperature tempering valve in the

DHW supply line.

41

42

Boiler Connections

Alternative DHW Connection


The following piping diagram reflects an alternative connection for the DHW tank only and applies to system layouts

2, 5, 6 and 8. The boiler control pump logic function must be programmed in the Service Instructions.

*Note: When using a low loss header in the system, the

DHW connections can be made downstream of the low loss header. See Vitodens 200-W B2HA

Service Instructions for applicable system coding information (see coding level 2):

...

...

5b:


Boiler in Heating/Cooling

Boiler Connections

Boiler in heating/cooling application

The boiler, when used in connection with a refrigeration system, must be installed ensuring the chilled medium is piped in parallel to the boiler with appropriate valves to prevent the chilled medium from entering the boiler.

See illustration on the left.

The boiler piping system of a hot water heating boiler connected to heating coils located in air handling units where they may be exposed to refrigerated air circulation must be equipped with flow control valves or other automatic means to prevent gravity circulation of the boiler water during the cooling cycle.

Check installation instructions of the chiller manufacturer carefully for additional requirements.

Cooling season starts:

Close valve “v1” and open valve “v2”.

Heating season starts:

Close valve “v2” and open valve “v1”.

IMPORTANT

Viessmann strongly suggests that the valves illustrated be labelled “v1” and “v2”.

IMPORTANT

In the illustration, the circulating pump must be operated from a separate on/off switch, not from the pump aquastat on the boiler control.

Legend

A Heating/Cooling unit

B

Spring-loaded flow check valve

C

Circulation pump

D

Safety header with automatic air vent and pressure relief valve

E Expansion tank

F

Water chiller

G

Boiler circuit pump (field supplied)

43

44

Boiler Connections

Boiler with Low Water Cut-off

Automatic air vent

Automatic air vent


Boiler with low water cut-off (remote-mounted, field supplied)

A low water cut-off may be required by local codes.

If boiler is installed above radiation level, a low water cut-off device of approved type (field supplied) must be installed in all instances at the highest point of the piping system. Do not install an isolation valve between boiler and low water cut-off.

Follow the installation instructions of the low water cut-off from the manufacturer.

For low water cut-off wiring information specific to your application, refer to applicable wiring diagram (see page 44).

Venting Connection

CAUTION

Under certain climatic conditions some building materials may be affected by flue products expelled in close proximity to unprotected surfaces. Sealing or shielding of the exposed surfaces with a corrosion resistant material

(e.g. aluminum sheeting) may be required to prevent staining or deterioration. The protective material should be attached and sealed (if necessary) to the building before attaching the vent termination. It is strongly recommended to install the vent termination on the leeward side of the building.

Vitodens 200-W, B2HA

Installation Instructions

Venting System


Electrical Connections

Control Connections

Power supply connection of accessories

The power supply connection of accessories can be made directly at the control. The connection is activated and deactivated with the system on/off switch.

The Vitotronic 200-H, HK1B mixing valve control, the mixing valve accessory kit and the Solartrol control require a separate 120 VAC power supply from the wall receptacle.

Closing the control unit casing and inserting (continued)

Insert programming unit (packed separately) into the control unit support.

Note: The programming unit can also be used in a wall mounting base (accessory) near the boiler

Cabling required for:

H outdoor temperature sensor

H

Vitotronic 200-H, HK1B mixing valve control

H accessory kit for heating circuit with mixing valve

H remote switching of operating mode

H remote disable

H alarm output

H wall-mount base

H circulating pump

IMPORTANT

It is essential to route cables as illustrated to ensure freedom of movement of control unit.

IMPORTANT

When running and securing connecting cables on site, ensure that the maximum permissible temperatures of the cables are not exceeded.

IMPORTANT

Cables in the vicinity of the control unit must not be secured to the control unit bracket.

Connection of accessories

For details regarding other installation steps required, please reference the Installation

Instructions supplied with the respective accessory part.

Note: Only one accessory part or one switch contact can be connected to the contacts of a plug at a time.

45

Wiring Diagram


Overview of Electrical Connections, Models B2HA 80, 88 and 100

46

WARNING

DISCONNECT POWER BEFORE

SERVICING BOILER.

If any of the original wires as supplied with the appliance must be replaced, it must be replaced with the exact equivalent.

CAUTION

Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.

* Only one function/accessory may

be assigned to each connection.


Wiring Diagram

Overview of Electrical Connections, Models B2HA 80, 88 and 100

(continued)

Legend

1 Outdoor Temperature Sensor

2 Supply Temperature Sensor/Low Loss Header

3 Boiler Temperature Sensor/High Limit Sensor

3A Boiler Temperature Sensor/High Limit Sensor

5 DHW Temperature Sensor

11 Ionization Electrode

15 Flue Gas temperature Sensor

20 Boiler Pump

21 DHW Pump

[21] Pump Output Connection

28/20 Programmable Pump Output*

33 Flow Switch (X2 FOR MODELS 80/88/100)

35 Gas Valve (X2 FOR MODELS 80/88/100)

40 Power Supply

40A Accessory Power Output

[53] Powered Accessory Connection

54 Ignition Transformer

96 Powered Accessory Connection

100 Fan Motor

100A Fan Motor Control

111 Not Used

145 KM-BUS

Multi Powered Accessory Connection

156A Switched Output F2

156B Switched Output F1

DE1 Digital Input 1 (Dry Contact)



0-10V 0-10VDC Input

157 Fault Alarm/DHW Recirc. Pump*

190 Gas Modulation Coil

190A Gas Modulation Coil (for 80/88/100)

* See wiring diagram

A

B

Boiler Control

External Accessory Connection Board

C

Pump Connection Interface

D

E

Extension Module EA1

KM-BUS for External Devices

F

Electrical Junction Box

G

Field Wiring Connections

A1 Main Board

A2 Internal Power Supply Unit

A3 Optolink

A4 Burner Control Unit

A5 Programming Unit

A6 Coding Card

A7 Connection Adaptor

A8 LON Communication Module

S1 ON/OFF Switch

S2 Reset Button

X.. Electrical Interface

47

48

Control Connections

Accessing the X3 Plug


1. Remove the control unit cover (see page 15).

2. Remove the X3 plug from the control board. Install the required sensors as per installation instructions.

3. Reinstall the control cover.

Connecting the Low-loss Header Sensor

1. Connect the low-loss header sensor (if used) to terminals X3.4/X3.5 on the boiler control board.


Connecting the Outdoor Temperature Sensor

Control Connections

1. Remove cover of outdoor temperature sensor.

2. Mount wall-mount base (cable entry must point downward).

IMPORTANT

The outdoor temperature sensor should be mounted 6.6 to 8.2 ft. (2 to 2.5 m) above ground level on the north or northwest wall of the building. In case of a multi-storey building, mount outdoor temperature sensor in the upper half of the second floor.

Ensure that sensor is not located above windows, doors and air vents, or immediately underneath a balcony or gutter.

The outdoor temperature sensor must not be covered by plaster. If mounting on an unplastered wall, make allowances for thickness of plaster or remove sensor before plastering wall.

3. Route cable from the boiler control board to the outdoor sensor. Connect cable to sensor terminals

(wires are interchangeable).

Cable specifications:

2-wire cable, max. cable length 95 ft. (35 m) with a wire size of min. AWG 16 copper.

4. Connect the outdoor temperature sensor to terminals

X 3.1/X3.2 on the boiler control board (wires are interchangeable).

5. Place cover on base and snap into place.

IMPORTANT

Cable to the outdoor sensor must not be laid near line voltage wiring (120/240V).

49

50

Control Connections

External 0-10 Volt Signal Connection



1. Connect the external 0-10V signal to plug 0-10V located in the extension module EA1.

2. Ensure correct polarity.

3. See chart for maximum possible boiler water temperature and required signal.

Example: Voltage to temperature setpoint

8VDC = 176ºF (80ºC)


Connecting a 24 VAC Thermostat

Control Connections

1. Connect normally open dry contact of the switching relay (‘T-T’ contact) to terminal DE1, DE2 or DE3 of the EA1 module located in the boiler electrical junction box.

2. Connect switching relay to thermostat and power supply as per manufacturers instructions.

When the thermostat contact is closed, burner operation is load-dependent. The supply water is heated to the value set in the coding address “9b” in the “General” group of the boiler.

The supply water temperature is limited by this set value and the electronic supply temperature maximum limit.

Codes

Extension EA1 Set “3A”, “3B” or “3C” in the “General”

group

Note: ‘Live’ contacts lead to short circuits or phase failure. The external connection must be potential-

free.

Note: When only using a thermostat (field supplied) for room temperature control, the boiler standard and reduced room temperature set points may be set to

37ºF (3ºC) to reduce boiler cycling.

Legend

A Boiler electrical junction box

B Switch relay (ie Taco SR501, Honeywell

RA889A-1001, field supplied)

C

24VAC room thermostat (field supplied)

D

Internal EA1 module

E 120VAC power supply for switching relay (refer to

manufacturers instructions)

F Dry contact connection from switching relay (to boiler

‘T-T’)

51

52

Control Connections

LON Module


Installing the LON module to the boiler control board

1. Remove the control cover (see page 15).

2. Insert the LON module into the boiler control board.

3. Connect the LON connector cable to the LON module.

Connecting the LON module cable

See the Vitotronic 200-H

HK1B Installation Instructions.

Boiler Control


Accessory Kit

Boiler

Control


Control Connections

Accessory kit connections for heating circuit with mixing valve

The mixing valve controller kit can only be used with wall-mounted gas-fired hot water heating boilers and a weather-responsive control; it can be used as an alternative for a Vitotronic control.

For details on coding and connection to the control, refer to the Vitodens 200-W B2HA

Service Instructions.

For details on installation, refer to the accessory kit Installation Instructions.

KM Bus

Accessory

Closing the Control Unit

Closing the control cover

1. Install the cover onto the control board.

2. Flip the control board back into position.

3. Secure the locking tabs as shown.

53

54

Control Connections


Closing the External Accessory Connection Box

4. Tilt the top of the external accessory connection box cover forward.

5. Drop down over the locating pins and set the cover place.

6. Swing the external accessory connection box up.

7. Push the external accessory connection box in until the holding screw is in place.


Closing the External Accessory Connection Box

(continued)

Control Connections

8. Tighten the external accessory connection box screw.

9. Install the external accessory connection box cover

screws.

Reinstalling the Front Enclosure Panel

10. Set front enclosure panel on the guide rails and push in place.

11. Tighten screws at the bottom.

12. Insert the external accessories connection box cover in place.

Note: Ensure the locking screws are fitted before operating.

Instructing the system user

The system installer should hand the operating instructions to the system user and instruct the user in operating the system.

IMPORTANT

Read and follow, where applicable, the safety instructions of all labels and stickers attached to boiler surfaces. Do not remove any of these instructions. Contact Viessmann if any replacement labels are required.

55

56

Additional Information

Installation Fittings


Parts

0301 Nipple ¾” x 1b”

0302 Sediment faucet ¾”

0303 Tee, ¾”

0304 Nipple ¾” x 3b”

0305 Reducing tee 1b” x 1b” x ¾”

0306 Gas ball valve 1”

0312 Pressure relief valve, 30 psig

Other Parts (not illustrated)

0309 Accessory pack (metal stud mount kit)

0311 Outdoor temperature sensor

0320 Technical literature set

0325 Parts List, Installation Fittings

0350 Temperature gauge 2” 30-250º F *1

0351 Temperature sensor (immersion) for DHW production NTC

0352 Temperature sensor (immersion) for low-loss header NTC (if low-loss header installed)

*1

Install anywhere in supply piping near boiler

*2

Discard when using multi-boiler distribution manifold


Technical Data


Boiler Model No. B2HA 80

88 *A 100 *A

CSA input Natural Gas (NG)

CSA input Liquid Propane Gas (LPG)

CSA output NG

CSA output LPG

DOE/AHRI Gross output

Net AHRI Rating *4

Heat exchanger surface area

Min. gas supply pressure

Natural gas

Liquid propane gas

Max. gas supply pressure *2

Natural gas

Liquid propane gas

CSA thermal efficiency

ANSI Z21,13/CSA 4.9

A.F.U.E.

Weight

Boiler water content

Boiler max. flow rate *3

Max. operating pressure

at 210ºF (99ºC)

Boiler water temperature

- Adjustable high limit (AHL) range

space heating (steady state)

DHW production

- Fixed high limit (FHL)

Boiler connections

Boiler heating supply and return


Drain valve

Boiler supply/return for indirect-fired DHW storage tank

(field supplied)

Gas valve connection

%

% lbs

(kg)

USG

(L)

GPM

(L/h) psig bar

MBH

(kW)

MBH

(kW)

MBH

(kW)

MBH

(kW)

MBH

(kW) ft.

2

(m

2

)

MBH

(kW)

“w.c.

“w.c.

“w.c.

“w.c.

ºF

(ºC)

ºF

(ºC)

ºF (ºC)

NPTM”

NPTF”

(male thread)

NPT”

71-285

(21-83)

104-285

(30-83)

*1 65-260

(19-76)

*1 95-260

(28-76)

--

--

226

(66.2)

28.88

(2.68)

10

14

14

--

92.0

194

(88)

3.4

(12.8)

25

(5700)

60

4

68 to 176

(20 to 80)

176

(80)

210 (99)

1

1

4 b

¾

¾ b

71-311

(21-91)

104-311

(30-91)

*5 67-294

(20-86)

*5 98-294

(29-86)

292

(85)

254

(74)

28.88

(2.68)

1

1

4

10

14

14

94.5

--

194

(88)

3.4

(12.8)

25

(5700)

60

4

68 to 176

(20 to 80)

176

(80)

210 (99) b

¾

¾ b

71-352

(21-103)

104-311

(30-91)

*5 67-333

(20-98)

*5 98-333

(29-98)

329

(96)

286

(84)

28.88

(2.68)

4

10

14

14

94.5

--

194

(88)

3.4

(12.8)

25

(5700)

60

4

68 to 176

(20 to 80)

176

(80)

210 (99)

1

1 b

¾

¾ b

NPTF”

1

1 1

*A For high altitude installations 5,000 - 10,000 ft. (1500 m - 3000 m), the input for model B2HA 100 will have an altitude de-ration of 14% for 5,000 ft. (1500 m) and 29% for 10,000 ft. (3000 m) average of 2.8% / 1,000 ft. (305 m).

*1 Output based on 140ºF (60ºC), 120ºF (49ºC) system supply/return temperature.

*2 If the gas supply pressure exceeds the maximum gas supply pressure value, a separate gas pressure regulator must be installed upstream of the heating system.

*3 See “Waterside Flow” on page 30 of this manual.

*4 Net AHRI rating based on piping and pick-up allowance of 1.15.

*5 Output based on 180ºF (82ºC), 80ºF (26ºC) system supply/return temperature.

57

58


Technical Data

(continued)


Boiler Model No. B2HA

Dimensions

Overall depth

Overall width

Overall height inches

(mm) inches

(mm) inches

(mm)

80

21

(530)

19

(480)

43½

(850)

88 *A

21

(530)

19

(480)

43½

(1105)

100 *A

21

(530)

19

(480)

43b

*10 (1105)

Flue gas *6

Temperature (at boiler return temperature of 86ºF (30ºC)

- at rated full load

- at rated partial load

Temperature (at boiler return temperature of 140ºF (60ºC)

Max. condensate flow rate *7 for NG and LPG

T

S

/T

R

=104/86ºF (40/30ºC)

ºF (ºC)

ºF (ºC)

ºF (ºC)

95 (35)

91 (33)

149 (65)

135 (57)

99 (37)

162 (72)

135 (57)

99 (37)

162 (72)

Condensate connection *8

USG/h

(L/h) hose nozzle

Ø in.

2.77

(10.5)

3.1

(11.7)

3.5

(13.1)

¾-

1

¾-

1

¾-

1

Boiler flue gas connection *9

Combustion air supply connection

(coaxial)

Sound Rating

- at maximum input

- at minimum input

Ø in. (mm) outer

Ø in. (mm) dB dB

4

3

/

8

(110)

6 (150)

56

38

4

3

/

8

(110)

6 (150)

69

38

4

3

/

8

(110)

6 (150)

69

38

*A For high altitude installations 5,000 - 10,000 ft. (1500 m - 3000 m), the input for model B2HA 100 will have an altitude de-ration of 14% for 5,000 ft. (1500 m) and 29% for 10,000 ft. (3000 m) average of 2.8% / 1,000 ft. (305 m).

*6 Measured flue gas temperature with a combustion air temperature of 68°F (20°C).

*7 Based on maximum input rate.

*8 Requires 1 inch (25 mm) tubing. See the Installation Instructions of the Vitodens 200-W, B2HA for details.

*9 For side wall vent installations (coaxial system):

Do not exceed max. equivalent length specified in the Installation Instructions of the Vitodens 200-W, B2HA

System.

Vitodens 200-W B2HA 80, 88, 100 boilers can only be common vented with other Vitodens 200-W boilers of the size.

Side wall co-axial vent installation must include Viessmann protective screen!

For details refer to the Installation Instructions for the Vitodens 200-W, B2HA Venting System.

*10 Add approximately 2b inches (65 mm) for coaxial vent pipe transition adaptor.

For information regarding other Viessmann System Technology componentry, please reference the documentation of each respective product.

Note: For high altitude installation at 10,000 ft. the input for model B2HA 19 to 80 will have an altitude de-ration of 21%.


Lighting and Operating Instructions


FOR YOUR SAFETY READ BEFORE OPERATING

W A R N I N G: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will

not push in or turn by hand, don’t try to repair it, call a qualified service technician.

Force or attempted repair may result in a fire

B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

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 cannot reach your gas supplier, call the

D. Do not use this appliance if any part has been

under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under

water.

Closed

OPERATING INSTRUCTIONS

1. STOP! Read the safety information above on label.

2. Set thermostat or other operating control to setting.

3. Turn off all electric power to the appliance.

4. This appliance is equipped with an ignition device which automatically lights the burner.

Do not try to light the burner by hand.

Manual gas shutoff

5. Close main gas shut-off valve.

6. Wait five (5) minutes to clear out any gas.

Then smell for gas, including near the floor.

If you smell gas, STOP! Follow “B” in the safety information above on this label. If you don’t smell gas, go to the next step.

7. Open main gas shut-off valve.

8. Turn on all electric power to the appliance.

9. Set thermostat or other operating control to setting.

10. If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas

supplier.

Open

TO TURN OFF GAS TO APPLIANCE

1. Set thermostat or other operating control to lowest setting.

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

3. Close main gas shut-off valve.

59


Printed on environmentally friendly (recycled and recyclable) paper.

Installation Instructions

Installation Instructions

VITODENS

200-W

Read and save these instructions for future reference.

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Installation Instructions

Installation Instructions

VITODENS

200-W

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Viessmann

Vitodens 200-W System

Viessmann

VITODENS 200-W B2HA 112

Viessmann

Vitodens 200-W B2HA series

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