Viessmann Vitodens 200-W WB2B 80, VITODENS 200-W WB2B Series, Vitodens 200-W, Vitodens 200-W WB2B 105, WB2B-19 Start-up/service Instructions

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Page 1

Start-up/Service Instructions

for use by heating contractor

Vitodens 200-W, WB2B Series

Models WB2B 19, 26, 35 Wall-mounted, gas-fired condensing boiler

For operation with natural gas and liquid propane gas Heating input 31 to 125 MBH

9 to 37 kW

Please file in Service Binder

VITODENS200-W



5418 911 v1.6 09/2012

IMPORTANT

Read and save these instructions for future reference.

 This trademark is registered with the U.S. Patent and Trademark Office.

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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).

HLicensed professional heating

contractor

The installation, service, and maintenance of this equipment must be performed by a licensed professional heating contractor.

Please see section entitled “Important Regulatory and Installation Requirements” in the Installation Instructions.

HProduct 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 Installation Requirements” in the Installation Instructions.

HCarbon monoxide

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

For information pertaining to the proper installation, service and maintenance of this equipment to avoid formation of carbon monoxide, please see the Installation Instructions of the Vitodens 200-W Direct Vent System.

WARNING

Installers must follow local regulations with respect to installation of carbon monoxide detectors. Follow manufacturer’s maintenance schedule of boiler.

HEquipment venting

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

HWarranty

Information contained in this and related product documentation must be read and followed. Failure

to do so renders warranty null and void.

HAdvice 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, shut-down procedure, and the need for professional service annually before the heating season begins.

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 Start-up/Service Instructions of the boiler.

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.

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Table of Contents

Page

General Information

Initial Start-up and Service

Control Technology

Coding

Safety, Installation and Warranty Requirements 2

Operating and Service Documentation 2

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Important Regulatory and Installation Requirements 4

About these Start-up/Service Instructions 6

Necessary Tools 6

Applicability 7

Product Information 7

Mechanical Room 8

Removing Front Enclosure Panel 9

Steps 11

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Outdoor Reset Programming Unit (Vitotronic 200, HO1) 26

Coding Level 1 37

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Service Scans

Troubleshooting

Additional Information

Coding Level 2 40

Service Level Overview 50

Temperatures, Boiler Coding Card and Brief Scans 51

Checking Outputs (Relay Test) 52

Scanning Operating Conditions and Sensors 53

Diagnostics 54

Corrective Action 60

Control Functions 64

Burner Program Sequence of Operation 67

Wiring Diagrams 68

Parts Lists 70

Maintenance Record 73

Technical Data 74

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5418 911 v1.6

Lighting and Operating Instructions 76

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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.

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 on page 73 of this manual.

Please carefully read this manual prior to attempting start-up, 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.

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.

Technical literature

Literature for the Vitodens boiler:

- Technical Data Manual

- Installation Instructions

- Start-up/Service Instructions

- Operating Instructions and User’s Information Manual

- Instructions of other Viessmann products utilized and installed

- Installation codes mentioned in this manual

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

The completeness and functionality of field supplied electrical controls and components must be verified by the heating contractor. These include low water cut-offs, 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.

5418 911 v1.6

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General Information

Important Regulatory and Installation Requirements

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 side-wall 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.

(continued)

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.

5418 911 v1.6

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General Information

About these Start-up/Service 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

WARNING

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

CAUTION

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

IMPORTANT

presence of potential hazards or important product information.

Cautions draw your attention to the presence of potential hazards or important product information.

Helpful hints for installation, operation or maintenance which pertain to the product.

Necessary Tools

Special items

H Approved leak detection fluid for

natural gas and liquid propane gas

H Pipe joint sealant

Testing/analysis equipment

H Multimeter to measure 0 - 230V,

0 - 12A AC and 0 - 100 A DC

H Flue gas analyzer to measure % CO

or O2(i.e. Bacharach fluid samplers or suitable electronic analyzer)

H Manometer to measure gas pressure

0 to 11 ”w.c. (accurately) and up to 28 ”w.c. gas pressure (or a non-electric Magnehelic® manometer may also be utilized)

H Stack thermometer 0 to 500°F /

0 to 260°C

H Bacharach calculator or suitable

tables to calculate efficiency

H Carbon monoxide measuring

equipment 0 to 400 ppm

This symbol indicates that additional, pertinent information is to be found in column three.

This symbol indicates that other instructions must be referenced.

Use only calibrated equipment.

Cleaning supplies

H Plastic hand brush H Rags

5418 911 v1.65418 911 v1.6

5418 911 v1.6

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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 WB2B 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 9 for instructions on how to remove front enclosure panel.

Model No. WB2B 19

Serial No. 7374863 jjjjjjjjj

General InformationGeneral Information

Stainless steel Inox-Radial heat exchanger

12-digit ASME/NB serial number (located on metallic plate riveted to the heat exchanger)

16-digit boiler serial number on white bar code label labelled “Boiler Serial Number” is also located on the bottom of the boiler.

Model No. WB2B 26

Serial No. 7374864 jjjjjjjjj

Model No. WB2B 35

Serial No. 7374865 jjjjjjjjj

Product Information

Fig. 1 Locating boiler serial numbers for ordering replacement parts

Natural gas and liquid propane 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.

The Vitodens 200-W, WB2B series boiler comes factory set for operation with natural gas. For a fuel conversion to liquid propane gas no conversion kit is required (see page 14).

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

5418 911 v1.6

Vitodens 200-W, WB2B series boilers are factory-tested and calibrated. Further gas valve adjustments are not typically required during field start-up.

Follow the Vitodens Venting System Installation Instructions to vent this boiler.

Page 8

General Information

Mechanical Room

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 the weight of the boiler filled with water (see section entitled “Technical Data” on page 74 for information required for total boiler weight calculation). 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.

WARNING

Fire causes a risk of burns and explosion!

HHHH Shut down the boiler HHHH Close fuel shut-off valves HHHH Use a tested fire extinguisher,

class ABC.

Sources of combustion and ventilation air contaminants

Areas likely to contain contaminants:

HNew building construction HSwimming pools HRemodelling areas, hobby rooms HGarages with workshops HFurniture refinishing areas HDry cleaning/laundry areas and

establishments

HAuto body shops HRefrigeration repair shops HMetal fabrication plants HPlastic manufacturing plants HPhoto processing plants HBeauty salons

Products containing contaminants:

HChlorine-type bleaches, detergents

and cleaning solvents found in household laundry rooms

HPaint and varnish removers HHydrochloric acid, muriatic acid HChlorine-based swimming pool

chemicals

HSpray cans containing

chlorofluorocarbons

HChlorinated waxes and cleaners HCements and glues HRefrigerant leaks HCalcium chloride used for thawing HSodium chloride used for water

softening salt

HPermanent wave solutions HAdhesives used to fasten building

products and other similar items

HAntistatic fabric softeners used in

clothes dryers

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

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.

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Removing Front Enclosure Panel

Fig. 2 Accessing the control to switch off the boiler

General Information

Some of the following start-up/service steps require the removal of the front enclosure panel. To avoid personal injury and/or product damage of any kind please follow the instructions below carefully when removing the front enclosure panel.

1. Close main gas supply valve.

2. Access the control unit by lifting and

pivoting the control cover and switch off system on/off switch.

3. Turn off power supply to boiler and ensure that power supply cannot be activated during the duration of the start-up/service work.

4. Loosen the screws at the bottom of the boiler as shown (do not remove completely).

Fig. 3 Removing front enclosure panel

5. Slide out and remove front enclosure panel .

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Page 10

Initial Start-up and Service

Steps

nitial start-up

C DA E

Fig. 4

F Automatic air vent

1. Bleed air from boiler heat exchanger

1. Connect hose to boiler filling tap E

and other end to a fresh water supply (or heating medium).

2. Open fresh water supply valve and

then the boiler filling tap E slowly (isolation valves connected to C and D must be closed during fill/bleed process).

3. Flush boiler heat exchanger via boiler supply and return (for at least 10 min.) until all air is removed from the boiler.

4. When drain valve A begins to bleed water, close boiler drain valve A, then boiler fill valve E and open system isolation valves.

5. If the control unit has not been

switched ON prior to filling the system, switch the control to ON, and activate the air bleed program by setting coding address “2F” to “1” (boiler pump sÖ will be switch ON and OFF for 30 sec. at a time over a period of 20 minutes. The program is automatically disabled after 20 minutes, and coding address “2F” is set back to “0”).

To access coding level 1 and setting the coding address see page 37. For function and sequence of the air bleed program, see page 65. While the air bleed program is running, the display will show ”Entlüftung” (bleeding air).

nitial start-up

6. Check system pressure.

7. Ensure adequate fuel supply exists

and open gas shutoff valve.

2. Fill siphon with water

1. Remove retaining clip A and

siphon B.

2. Fill siphon B with water.

3. Re-attach siphon B and secure

with retaining clip A.

Max. operating pressure...45 psig Min. operating pressure...14 to 23 psig

Pressure relief valve......30 psig

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Initial Start-up and Service

Steps

nitial start-up

Fig. 5

c System supply D System return

(continued)

C DA E

CAUTION

Unsuitable fill water increases the level of deposits and corrosion, and may lead to damage to the equipment.

H Thoroughly flush the entire heating

system prior to filling with water.

H Only use water of potable quality.

H The water will have have to be

softened if it is harder than 8.77 grains / 150 ppm total dissolved solids.

H Inhibitors or antifreeze additives

suitable for heating systems may be added manually.

3. Fill heating system with water

1. Open system isolation valves at C

and D (if installed).

2. Check inlet pressure of the diaphragm expansion tank.

3. To remove debris and/or sludge ensure that the system piping is flushed out. Failure to do so could cause settlement in the boiler causing overheating and damage not covered by warranty.

4. Fill the heating system with water at the boiler filling tap E and drain air completely from the drain tap A.

5. If the control unit has not been switched ON prior to filling the system, switch the control to ON, and activate the filling program by setting coding address “2F” to “2” (boiler pump sÖ starts and the burner shuts down if this function is enabled. The program is automatically disabled after 20 minutes, and coding address “2F” is set back to “0”).

Please note:

Before filling the heating system with water, check that all necessary flow check valves are installed.

If the nitrogen pressure of the precharged expansion tank is less than the static pressure of the system, inflate membrane pressure to slightly exceed pressure of system. The static pressure required at the tank is based upon the static height of the system. The system fill pressure value must be equal to the expansion tank pressure value at approx. 60ºF / 15.6ºC.

System fill pressure must be approximately 3 psig higher than the static head when the system is cold.

Water treatment should be considered in areas where it is known that boiler feed water contains a high mineral content and hardness. In areas where freezing might occur, an antifreeze may be added to the system water to protect the system. Please adhere to the specifications given by the antifreeze manufacturer. Do not use automotive silicate-based antifreeze. Please observe that an antifreeze/water mixture may require a backflow preventer within the automatic water feed and influence components such as diaphragm expansion tanks, radiation, etc. A 40% antifreeze content will provide freeze-up protection to -10°F /

-23°C. Do not use antifreeze other than specifically made for hot water heating systems. System also may contain components which might be negatively affected by antifreeze. Check total system frequently when filled with antifreeze.

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Max. operating pressure...45 psig Min. operating pressure...14 to 23 psig

Pressure relief valve......30 psig

Page 12

Initial Start-up and Service

Steps

nitial start-up

(continued)

4. Check power supply connection

A power/pump module is supplied with the Vitodens 200-W, WB2B boiler, which requires a 120VAC power supply from a wall receptacle. The module contains a 120/230VAC step-up transformer to power the boiler with 230VAC. Refer to the Installation Instructions shipped with the module for wiring details and/or the Installation Instructions of the boiler.

Voltage range

The voltage at connector fÖ of the boiler control must be 230V (see wiring diagram).

Neutral conductor

The electrical power supply must have a neutral conductor.

IMPORTANT

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.

Please note:

The outer conductor ”L” and the neutral conductor ”N” must not be interchanged. See wiring diagram on page 68 in section entitled ”Additional Information”.

nitial start-up

Uhrzeit

Datum

00004444....00008888....00007777

5. Set time and date

See page 26 in these instructions for an overview of controls and indicators of the boiler control.

H During commissioning or after a

prolonged time not in use, it may be necessary to reset the time and date if the time flashes in the display.

H When the boiler is started up for the

first time the display appears in German (factory default setting). Refer to following subsection on how to select the correct language.

1. Press “⊕ /  to adjust to the

current time.

2. Press “ ” to confirm. The word “Datum” is displayed.

3. Press “⊕ / “ to set the current date.

Please note:

If any fault exists during the initial start-up “storung” (fault) appears on the screen. Read and record the fault. Press “ i ” and read the fault. “Quittieren? Ja” (acknowledge? Yes). Press “ ” then proceed with setting the time and date.

4. Press “ ” to confirm.

5418 911 v1.6

Page 13

Initial Start-up and Service

Steps

nitial start-up

Außentemperatur

(continued)

55550000

ºF

6. Select language

H When the boiler is started up for the

first time the display appears in German (factory default setting).

1. Press “i”. “Heizkreis wählen”

appears on display.

2. Press “ ” to confirm and wait for approx. 4 sec.

3. Press “i” again and “Außentemperatur” (outdoor temperature) is displayed.

4. Press ““ to select required language.(language can be selected at any time by pressing “i” then ““).

5. Press “ ” to confirm your selection.

Please note:

At any time after the initial start-up, to select a language:

- with two heating circuits A1, M2

- Press “i”

- choose heating circuit 1 or 2

using “⊕ / ”

- Press “ ”

- Press “i” again

- Press “” until English comes up

- Press “ ”

- With one heating circuit

- Press “i”

- Press “” until English comes up

- Press “ ”

nitial start-up

The Vitodens 200-W boiler is for use with gases whose characteristics fall within the following ranges. Do not use any other types of gas.

Heating value (gross) Btu/ft

Specific gravity 0.57 to 0.70 1.522 to 1.574

Ultimate carbon dioxide (CO2) % 11.7 to 12.2 13.73 to 13.82

7. Select gas type

H Please note that the Vitodens 200-W,

WB2B boiler is factory set to operation with natural gas . See following subsection for conversion instructions to liquid propane gas.

1. Ensure that the fuel type listed on the boiler rating plate is the correct type for the installation being attempted.

2. Record fuel type in Maintenance Record on page 73.

Natural gas Liquid propane gas

970 to 1100 2466 to 2542

5418 911 v1.6

Page 14

Initial Start-up and Service

Fig.7

Steps

nitial start-up

(continued)

8. Convert fuel type to liquid propane gas

1. Set adjusting screw A at the gas

valve to “2” (using a hex key, 2.5 mm).

2. Switch ON/OFF switch “8” to ON.

3. Call up coding level 2.(see page 40)

4. In coding address “11” select value

“9”. The green LED flashes.

5. In coding address “82” select value “1” (operation with liquid propane gas).

6. Go back to coding address “11” and select any value (except “9”)

7. Terminate coding level 2 and open gas shut-off valve.

8. Apply supplied fuel conversion labels.

The Vitodens 200-W, WB2B boiler comes factory adjusted for operation with natural gas. Coding address “82” is set to “0” (operation with natural gas) in the factory default setting.

Note:

The system automatically terminates the parameter change after approx. 25 min., if setting the parameters is not concluded via coding address 11.

Fig. 6

nitial start-up

9. Convert to high altitude

In the factory default setting, the boiler is equipped to operate in altitudes of up to 5,000 ft. / 1,500 m. For operation in higher altitudes, the existing coding card must be replaced with a high altitude coding card. See table below or the Viessmann Price List for order information.

1. Pull out the factory installed coding card, cut and remove it from the cable tie. Insert the high altitude coding card into the boiler control board.

2. Install cover.

Coding card number

Boiler Model (base serial #) 0 - 5,000 ft. /

0 - 1,500 m

WB2B 19 (7374863....) 7832 264

7833 221

WB2B 26 (7374864....) 7832 265

7833 223

WB2B 35 (7374865....) 7832 266

7833 225

*1Factory installed

5,000 - 10,000 ft. / 1,500 - 3,000 m

7425 953 or 7424 902

7425 954 or 7424 903

7425 955 or 7424 904

5418 911 v1.6

Page 15

Initial Start-up and Service

Steps

nitial start-up

inlet

(continued)

ervice

outlet

10.Measure static pressure and running pressure

1. To measure static and/or running

pressure remove boiler enclosure panel as indicated page 9 in these instructions.

2. Close gas shutoff valve (field supplied).

3. Loosen screw at inlet gas pressure port A on the gas combination valve, do not remove completely. Connect manometer.

IMPORTANT

A CO measurement (see page 24) must be taken before and after working on gas appliances to eliminate risks to health and to guarantee the satisfactory condition of the system.

IMPORTANT

4. Open the gas shutoff valve.

5. Measure static pressure. Values

must be:

H 14 “w.c. max. for NG H 14 “w.c. max. for LPG

6. Enter measured value into Maintenance Record on page 73 in this manual.

7. Start up boiler, using the ON/OFF switch “8” on the boiler control.

The burner is automatically ignited and starts operation after a safety time has elapsed. During initial start-up, the unit may indicate a fault because of air in the gas supply pipe (especially for liquid propane gas). After approx. 5 seconds, press the ”EEEE” button to reset the burner. The ignition procedure is repeated. This boiler employs a direct spark ignition system.

Fig. 8 Measuring gas supply pressure

at inlet gas pressure port

5418 911 v1.6

8. Measure the running pressure; value must be:

Running supply pressure with Corrective action

Natural gas Liquid propane gas

under 4 ”w.c. under 10 ”w.c. Do not attempt adjustment. Call local gas utility

4 to 14 “w.c. 10 to 14 ”w.c. Start up boiler. over 14 ”w.c. over 14 ”w.c. Do not attempt adjustment. Call local gas utility

9. Enter gas type into Maintenance Record on page 73 in this manual.

10. Switch off the ON/OFF switch “8”

on the boiler control, close the gas shut-off valve, remove the manometer and re-tighten the screw at inlet gas pressure port A.

WARNING

Ensure that there is no open flame in the room.

Use suitable measuring instruments calibrated with a minimum resolution of 0.04 “w.c. for measuring the running pressure.

to increase pressure.

to decrease pressure. Boiler valve must not be exposed to pressure over 14 ”w.c.

WARNING

Never purge a gas line into a combustion chamber. Never use matches, candles, flame, or other sources of ignition for purpose of checking leakage. Use a soap-and-water solution to check for leakage. A failure to follow this warning could result in fire, explosion, personal injury, or death.

Page 16

Initial Start-up and Service

Steps

Sequence of operation and potential faults during each start-up cycle

Call for heat by control.

Blower starts up.

Ignition.

(continued)









yes









Display message

Fault F9 after approximately 51 seconds.

Fault F4/EE













Corrective action

Increase boiler water set-point temperature and ensure that there is heat demand.

Check cabling and plug-in connectors of the blower, as well as the blower itself. Check proper power supply to the blower.

Check ignition transformer (control voltage 230 V across plugs “X2.1” and “X2.2”).

yes





Gas combination valve opens.

yes





Ionization current builds up / flame established (symbol A appears).

yes





Burner is operating.

yes





Automatic calibration of the combustion unit.

















Fault F4/EE

Burner shuts off when the boiler temperature is below the selected boiler set-point temperature and immediately starts up again (cycles).

Fault Eb

















Check gas combination valve 230VRAC (plug 35).Check gas supply pressure.

Check electrode settings, purge gas supply line. Check condensate line and flue gas system for leaks.

Check flue gas system for leakage (flue gas recirculation), check running gas pressure.

Check the connecting cable and the ionization electrode, check the flue gas system (flue gas recirculation). Press “Reset”

For further details regarding faults, see page 56.

5418 911 v1.6

Page 17

Initial Start-up and Service

Steps

nitial start-up

(continued)

11. Set maximum input

H The maximum input (or output) for

heating operation can be limited. The limit is set via the modulation range. The maximum adjustable heating input (or output) is limited upwards by the boiler coding card.

1. Start up boiler.

2. Press “9“ and “ttttwwww“ simultaneously

until a value flashes on the display (e.g. “85”), and “A” and “Max. output” appear. In the factory default setting this value represents 100% of the rated input (or output).

3. With buttons “⊕ / “ select the

required value in % of the rated input (or output) as maximum input (or output).

The input for DHW production can be limited as well. To do so, change coding address “6F” in coding level 2.

nitial start-up

ervice

4. Confirm the set value with “ ”.

12. Check all primary and secondary circuit connections for leaks

Check heating system and domestic hot water connections (if applicable). Ensure all connections are pressure tight. Correct any leaks found on fittings, pumps, valves, etc.

13. Perform combustion analysis

IMPORTANT

A CO measurement (see page 24) must be taken before and after working on gas appliances to eliminate risks to health and to guarantee the satisfactory condition of the system.

Record the measured combustion values in the sequence stated in the Maintenance Record on page 73 in this manual.

5418 911 v1.6

Page 18

Initial Start-up and Service

Steps

nitial start-up

Fig. 9

(continued)

Combustion air measuring port

ervice

14. Check coaxial venting system for leaks (circular air gap measurement)

Viessmann strongly recommends that the heating contractor perform a simplified leak test during boiler start-up. For this purpose it is sufficient to measure the CO2concentration of the combustion air in the coaxial gap of the air intake pipe. The vent pipe is considered sufficiently leak-proof if a CO2concentration in the combustion air no higher than 0.2% or an O concentration no lower than 20.6% is measured. If higher CO2values or lower O2values are measured, check venting system thoroughly.

15. Remove burner assembly

1. Switch the main power supply and

the ON/OFF switch “8” on the boiler control to OFF.

The vent pipe adaptor comes with two measurement ports, one for combustion air-intake measurement and one for flue gas measurement.

D C

2. Shut off the gas valve.

3. Pull the cables from the fan motor

A, gas valve B, ionization electrode C, ignition module D and grounding wire E.

4. Release gas supply pipe fitting F.

5. Loosen the four Torx (T-30) screws

G and remove burner.

Note the gasket between the gas valve and the fitting.

CAUTION

To avoid damage to the burner, do not lay burner on its cylindrical burner tube. Failure to heed this caution may cause damage to the burner tube, which may lead to improper operation.

Fig. 10 Removing burner assembly

5418 911 v1.6

Page 19

Initial Start-up and Service

Steps

(continued)

ervice

16. Check burner gasket and cylinder assembly

Check the burner gasket A and cylinder burner assembly E for damage and replace if necessary.

CADE 3xFB

1. Remove electrode block and

ionization electrode B.

2. Undo the three retaining clips C at the refractory ring D and remove refractory ring D.

3. Loosen the four Torx screws and remove cylinder burner assembly E and assembly gasket F.

4. Fit and secure new cylinder burner assembly E and new assembly gasket F. Tighten to a torque of

2.6 lb.ft. / 3.5 Nm using a calibrated torque wrench.

5. Reinstall refractory ring D.

Fig. 11 Checking burner gasket and cylinder assembly

ervice

17. Check and adjust ignition and ionization electrodes

+0,5

A B

6. Reinstall electrode block and ionization electrode B. Tighten to a torque of 2.6 lb.ft. / 3.5 Nm using a calibrated torque wrench.

1.Check the ignition electrodes A and ionization electrode B for wear and

contamination.

2. Clean electrodes with small brush (not a wire brush) or emery paper.

3. Check electrode gaps. If the gaps are not as specified, or the electrodes are damaged, replace and align the electrodes with new gaskets. Tighten the electrode fixing screws to a torque of 1.85 lb.ft. /

2.5 Nm using a calibrated torque wrench.

5418 911 v1.6

Page 20

Initial Start-up and Service

Steps

Fig. 12 Cleaning the combustion

(continued)

ervice

chamber and heat exchanger

18. Clean combustion chamber/heat exchanger surface

1. Remove front enclosure panel (if still

installed) as per the instructions on page 9 in this manual, and reinstall panel upon completion of service work.

2. Remove burner assembly as per instructions on page 18.

3. If necessary, clean the combustion chamber and heat exchanger surface A with a brush and/or rinse with water.

Use solvent-free cleaning agents to remove residues: H Remove deposits of combustion

by-products with alkaline agents containing tenside.

H Remove coatings and (yellowish

brown) surface discoloration with phosphoric acid-based “Antox 75 E Plus”, or citric acid-based CitriSurft 3050 by Stellar Solutions Inc.

H Rinse thoroughly with water.

4. Mount burner and tighten diagonally to a torque of 2.8 lb.ft. / 4 Nm (four flange locknuts).

Please note:

Be careful not to scratch parts which are in contact with flue gas. Use plastic brushes, not wire brushes!

Follow Material Safety Data Sheet (MSDS) of the cleaning agent manufacturer.

The cleaning agents must not contain hydrocarbon-based solvents or potassium.

WARNING

Follow cleaning agent manufacturer’s safety instructions and wear appropriate protective equipment.

5. Install burner assembly.

6. Fasten threaded connection for the

gas connection hose with a new gasket or O-ring.

7. Connect electrical cables to corresponding parts.

IMPORTANT

Perform leak test.

5418 911 v1.6

Page 21

Initial Start-up and Service

Steps

(continued)

ervice

19. Check condensate drain

1. Check that condensate can drain

freely at the siphon trap B.

2. If necessary clean siphon trap B by removing retaining clip A and siphon trap B.

3. After cleaning the siphon trap B, fill it with water, re-attach it and secure with retaining clip A.

IMPORTANT

If the condensate does not drain freely, condensate will accumulate in bottom part of boiler resulting in a burner shut-down (fault message).

Installation Instructions Neutralization Unit (if applicable)

Fig. 13

B Siphon trap C Flexible discharge tubing D Discharge tube

ervice

20. Check neutralization unit (if applicable) Accessory

1. Check the pH value of the

condensate with pH measuring strip. If the pH value is less than 6.5, replace granulate.

2. If contaminated: Rinse neutralization unit with tap water.

IMPORTANT

pH measuring strip must be field supplied.

5418 911 v1.6

3. Add granulate as marked.

IMPORTANT

The granulate is consumed as it neutralizes the condensate. The red marking indicates the min. filling level.

Installation Instructions Neutralization Unit

Page 22

Initial Start-up and Service

Steps

nitial start-up

(continued)

ervice

21. Check diaphragm expansion tank and system pressure

Perform check with the system cold.

1. Drain boiler/system and reduce pressure until the manometer reading is ”0”.

2. If the nitrogen pressure of the precharged expansion tank is less than the static pressure of the system, inflate membrane pressure to slightly exceed pressure of system. The static pressure required at the tank is based upon the static height of the system. The system fill pressure value must be equal to the expansion tank pressure value at approx. 60ºF / 15.6ºC.

3. Top up with water until filling pressure is higher than the inlet pressure of the diaphragm expansion tank.

Example

Static head of 33 ft. / 10 m (distance between boiler and topmost heat emitter surface) corresponds to a static pressure of 1 bar/15 psig.

With the system cold, the filling pressure must be approx. 3 psig higher than the static pressure. Max. operating pressure: 45 psig Min. operating pressure: 14 psig

nitial start-up

ervice

4. When starting up the system for the

first time, mark this value as the minimum filling pressure on the manometer.

22. Check functioning of safety valves

Ensure proper operation of low water cut-off(s) (if applicable), pressure relief valve, and pump(s).

Check pressure gage, air vent and pressure relief valve. Ensure that pressure relief valve does not leak and that it operates in accordance with information provided by the manufacturer.

Refer to maintenance instructions supplied with low water cut-offs, pumps, etc.

A lower manometer reading usually indicates loss of water due to leakage. All leaks must be repaired.

Follow local regulations with respect to backflow preventers.

If oil-lubricated pumps are used, ensure proper lubrication.

If motorized zone valves are used, refer to maintenance instructions provided with zone valves.

Flush float water type low water cut-offs (if used).

5418 911 v1.6

Page 23

Initial Start-up and Service

Steps

nitial start-up

(continued)

ervice

23. Check electrical connections

Ensure all plug-in connectors and strain reliefs make positive contact and are seated properly.

24. Check gas pipes and fittings for leaks

Installation Instructions Power/Pump Module

WARNING

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

CAUTION

Ensure all joints of gas line are pressure tight and that gas valves do not leak when under normal operating pressure (use approved leak detection liquid).

5418 911 v1.6

Page 24

Initial Start-up and Service

Steps

nitial start-up

Fig. 14

(continued)

ervice

25. Check CO2setting

The Vitodens 200-W, WB2B boiler is equipped with the Lambda Pro Combustion Management System developed by Viessmann which ensures optimal combustion quality independent of gas quality and type. (For a description of the Lambda Pro Combustion Management System, see page 27 in this manual.) During initial start-up and maintenance you will only need to check the CO2and O2content at the boiler vent pipe adaptor. .

Please note!

The Vitodens 200-W, WB2B boiler comes factory set to operation with natural gas. (For instructions on how to convert to operation with liquid propane gas, see page 14.) For high-altitude operation (above 5,000 ft. / 1,500 m), see page

14. The MatriX cylinder burner of this boiler is preset for the entire gas group. No adjustment or readjustment of the burner is required.

1. Connect a flue gas analyzer to test port A at boiler vent pipe adaptor.

2. Open gas shut-off valve, start up boiler and create heat demand.

3. Set boiler to low-fire by pressing buttons “9“ and “ ” at the same time. “Relay test” and then “Base

load” is shown on display.

4. Measure CO2and O2content at

boiler vent pipe adaptor. If the measured values deviated by more than 1% from the acceptable ranges for the respective fuel type listed in the right column or in the table on page 27. H check the venting system for leaks

(see subsection on page 18).

H check that the boiler is set for the

gas type used (see subsection on page 13).

5. Enter measured values into the Maintenance Record on page 73.

6. Set boiler to full-fire by pressing “⊕“. “Full load” is displayed.

7. Measure CO2and O2content at boiler vent pipe adaptor. If the measured values deviated by more than 1% from the acceptable ranges listed in the right column or in the table on page 27. H check the venting system for leaks

(see subsection on page 18).

H check that the boiler is set for the

gas type used (see subsection on page 13).

Acceptable CO2content range:

H 7.7 to 9.2% for natural gas H 9.3 to 10.9 % for LPG

Acceptable O2content range:

H 4.4 to 6.9% for all gas types

Acceptable CO2content range:

H 7.7 to 9.2% for natural gas H 9.3 to 10.9 % for LPG

Acceptable O2content range:

H 4.4 to 6.9% for all gas types

8. Press “ ” after testing and enter measured values into the Maintenance Record on page 73.

5418 911 v1.6

Page 25

Initial Start-up and Service

Steps

nitial start-up

(continued)

ervice

26. Clock natural gas meter

Clock natural gas meter to verify input.

Ensure all other gas equipment served by the meter is turned off during timing of gas input to the Vitodens 200-W, WB2B boiler.

2.Measure the time in seconds it takes for the boiler to use 10 ft.3of gas. Divide 3600 x 10 by the number of seconds and you get the number of ft.3of gas used per hour. Multiply this number by the heating value of the gas to obtain Btu per hour input.

For example: A Vitodens 200-W, WB2B 9-26 boiler (93 000 Btu/h input) requires 387 sec. to use 10 ft.3of natural gas. After contacting the local utility, you will find the heating value is 1000 Btu per ft.3.

Therefore, 3,600 sec./h x 10 revolutions 36,000/387 x 1000≅93,000 Btu/h input. The boiler input is correct.

Burner input formulas (for low altitude only):

INPUT=(3600÷t) x 1000 where t=TIME (sec.) for 1 ft. INPUT=(3600 x .01 x 1000 x

35.31)÷T where T = TIME (sec.) for .01 m3natural gas

IMPORTANT

A boiler underfired by 5% is acceptable. Do not overfire the boiler.

CAUTION

Always contact your gas utility to obtain the correct heating value before clocking the meter.

5418 911 v1.6

Page 26

Control Technology

Outdoor Reset Programming Unit

Overview of controls and indicators

C D EA B

RESET

A Pressure gage B Fault display (red) C Operating status display (green)

Boiler temp.

M o

140

D Reset button E ON / OFF switch

(Vitotronic 200, HO1)

HED+F G

Boiler temp.

ºF

ssss

140

AAAA

C B

Fig. 15 Programming unit of Vitotronic 200, HO1 on-board control

A Time program for central heating B Time program for DHW heating C Holiday program D Information E Standby mode F DHW only G Central heating and DHW H Normal room temperature I Energy saving mode ON / OFF

N M L K

J Party mode ON / OFF K Factory default settings button L Confirmation button M Adjustment buttons N DHW temperature O Emission test function (only for

heating contractors)

P Reduced room temperature Q Time / date

5418 911 v1.6

Page 27

Control Technology

Outdoor Reset Programming Unit

Functional description

Space heating mode

The control unit calculates a boiler water setpoint temperature based on the outdoor or room temperature (where a room temperature dependent remote control is connected) and on the slope/shift of the heating curve. The computed boiler water setpoint temperature is transmitted to the burner control unit. From the boiler water setpoint and the actual temperature the burner control calculates the degree of modulation required, and regulates the burner accordingly. The maximum operating boiler water temperature is limited in the burner control unit to 165ºF / 74ºC by the electronic temperature control.The maximum adjustable high limit of the boiler is 180ºF / 82ºC. The fixed high limits of the safety chain interlock the burner control unit at 210ºF / 99ºC boiler water temperature.

Domestic hot water supply with gas-fired space heating boiler

Domestic hot water heating is activated when the tank temperature is

4.5ºF / 2.5ºC below the tank

temperature setpoint value. The burner and the tank DHW pump are switched on. In the factory default setting, the desired boiler water temperature is set at 36ºF / 20ºC above the tank temperature setpoint value. When the actual tank temperature rises 4.5ºF /

2.5ºC above the tank temperature

setpoint value, the burner is switched off and the time delay function of the tank DHW pump is activated. The temperature differential of 4.5ºF /

2.5ºC can be adjusted in coding level 2,

address “59”.

(continued)

DHW boost heating / additional heating function

This function will heat your DHW tank to a second DHW setpoint temperature within the fourth time phase. It can act as an “Anti-Legionnaire-Function” if the DHW supply is not heated to 140ºF / 60ºC during the regular time schedule. You can activate this function by selecting a switching period for the fourth time phase. (See Vitodens 200-W, WB2B Operating Instructions.) The temperature setpoint for this function is adjustable in coding address ”58”.

Electronic combustion control

The electronic combustion control utilizes the physical correlation between the level of the ionization current and the air factor λ. For all gas qualities, the maximum ionization current results in air factor 1. The ionization signal is evaluated by the combustion control unit, and the air factor is adjusted to between λ=1.24 and 1.44. This range provides for an optimum combustion quality. Thereafter, the electronic gas valve regulates the required gas volume subject to the prevailing gas quality. To check the combustion quality, the CO2content or the O2content of the flue gas is measured. The actual values enable the prevailing air factor to be determined. The relationship between the CO2or O2content and air factor λ is illustrated in the table below.

To achieve an optimum combustion control, the system regularly carries out an automatic self-calibration; also after a power failure (shutdown). For this, the combustion is briefly regulated to the max. ionization current (equals air factor λ=1). The automatic calibration is performed shortly after the burner starts and lasts approx. 5 sec. During the calibration, higher than normal CO emissions may occur briefly. The combustion control unit can also be calibrated manually, e.g. after maintenance or service work (see coding address “85”).

Air factor λλλλ - CO2/O2content

Air factor λ O2content (%) CO2content (%) for natural gas CO2 content (%) for liquid propane gas

1.24 4.4 9.2 10.9

1.27 4.9 9.0 10.6

1.30 5.3 8.7 10.3

1.34 5.7 8.5 10.0

1.37 6.1 8.3 9.8

1.40 6.5 8.1 9.6

5418 911 v1.6

1.44 6.9 7.8 9.3

Page 28

Control Technology

Outdoor Reset Programming Unit

Heating system types

During initial start-up the control until must be matched to the type of heating system installed. In the factory default setting, the heating system type is coded as ”00:1” (heating system with one heating circuit without mixing valve, without domestic hot water heating.

If a heating circuit with mixing valve is connected, for example, the control unit must be re-coded manually in coding level 1 or 2 (see page 37 on how to access coding level 1 or page 40 on how to access coding level 2). Enter corresponding heating system type code in coding address ”00:1”. See page 38 for codes for other system types.

See below for an overview of heating system types and corresponding codes. Refer to the Vitodens 200-W Installation Instructions for system layout details.

In any of the following system layouts that use a low-loss header, the DHW tank can be installed downstream of the low-loss header. See the boiler Installation Instructions for alternative DHW connection location, as well as coding addresses “A2” and “5b” in coding level 2.

System type 1 or 2 (with or without low-loss header)

(continued)

Heating system with one heating circuit without mixing valve, with/without domestic hot water heating

Coding address “00:1” Without DHW heating Coding address “00:2” With DHW heating

System type 3 (with or without low-loss header)

Heating system with one heating circuit with mixing valve and system separation, with/without domestic hot water heating.

Coding address “00:3” Without DHW heating Coding address “00:4” With DHW heating

5418 911 v1.6

Page 29

Control Technology

Outdoor Reset Programming Unit

Heating system types

(continued)

System type 4 or 5 (with or without low-loss header)

Heating system with one heating circuit without mixing valve, one heating circuit with mixing valve, with/without domestic hot water heating.

Coding address “00:5” Without DHW heating Coding address “00:6” With DHW heating

System type 6 (with or without low-loss header)

(continued)

Heating system with two heating circuits with mixing valve (one LON, one KM-BUS controlled), with/without domestic hot water heating.

Coding address “00:3” Without DHW heating Coding address “00:4” With DHW heating

System type 7 (with or without low-loss header)

Heating system with one heating circuit without mixing valve, one heating circuit with mixing valve and system separation, with/without domestic hot water heating.

Coding address “00:5” Without DHW heating Coding address “00:6” With DHW heating

System type 8

Heating system with multiple heating circuits with mixing valves, low-loss header and with/without domestic hot water heating. (two LON, one KM-BUS controlled)

Coding address “00:3” Without DHW heating Coding address “00:4” With DHW heating

5418 911 v1.6

Page 30

Control Technology

Outdoor Reset Programming Unit

Heating curve adjustment

ºF / ºC

194

176

158

140

122

Boiler water or

supply temperature

ºF ºC

95 35

104

86 30

77 25

Room set-point temperature

Low-temperature heating system, e.g. radiant floor heating Medium-temperature heating system, e.g. cast iron radiation, staple-up radiant floor heating High-temperature heating system, e.g. fintube radiation, fan coils

68 20

50 41 32 23 14 5 -4 -13 -22

41 5

3,0

2,4

2,6

2,8

3,2

3,4

0 -5 -10 -15 -20510

Outdoor temperature

(continued)

2,0

2,2

1,8

1,6

1,4

1,2

1,0

0,8

0,6

0,4

0,2

-30-25

ºC ºF

The heating curves represent the relationship between the outdoor temperature and the boiler water or supply temperature. Put simply: The lower the outdoor temperature, the higher the boiler water or supply temperature. In turn, the room temperature is dependent on the boiler water or supply temperature. If a different room temperature is set, the curves are shifted parallel to the desired room temperature axis.

The control unit regulates the boiler water temperature (= supply temperature of heating circuit without mixing valve) and the supply temperature of the heating circuit with mixing valve (in conjunction with the accessory kit for a heating circuit with mixing valve) according to the outdoor temperature. The boiler water temperature is automatically raised by 0 to 72º F / 0 to 40 K higher than the currently required set supply termperature (in the factory default setting the differential temperature is

14.4º F / 8 K). See coding address “9F” in coding level 2. The supply temperature that is required to achieve a given room temperature depends on the heating system and the thermal insulation of the building that is being heated. The adjustment of the two heating curves is used to match the boiler water temperature and the supply temperature to these conditions.The boiler water temperature is limited upwards by the fixed high limit and the temperature set for the electronic high limit. The supply temperature cannot rise above the boiler water temperature.

Factory settings:

H slope ”n” = 1.4 H shift ”N” = 0

5418 911 v1.6

Page 31

Control Technology

Outdoor Reset Programming Unit

Heating curve adjustment

230/ 110

Boiler water temperature or

supply temperature in ºF/ºC

+68/20 -4/20

Outdoor temperature in ºF/ºC

Fig. 16 Changing the slope

230/ 110

3.5

+40

(continued)

1. To change the slope

Change with coding address “d3“ in coding level 1. Setting range 2 to 35 (equals slope 0.2 to 3.5).

1.4

0.2

2. To change the shift

Change with coding address “d4” in coding level 1. Setting range -13 to +40 K.

1.4

(continued)

-13

Boiler water temperature or

supply temperature in ºF/ºC

+68/20 -4/20

Outdoor temperature in ºF/ºC

Fig. 17 Changing the shift

5418 911 v1.6

Page 32

Control Technology

Outdoor Reset Programming Unit

Room temperature setpoint adjustment

Standard Room Temperature

-20

D E

Fig. 18 Example 1: Adjusting the

room temperature setpoint from 20 to 26ºC

A Boiler water temperature / Supply

temperature in ºC

B Outdoor temperature in ºC C Room temperature setpoint in ºC D Heating circuit pump “OFF” E Heating circuit pump “ON”

1. Press “⊕”. “1rrrr“ flashes on the

display.

2. Press “ ” to select a heating circuit without a mixing valve.

3. Press “⊕”. “2rrrr“ flashes on the display.

4. Press “ ” to select a heating circuit with mixing valve.

5. Adjust the day temperature setpoint with rotary selector “ts“. The value will automatically be accepted after approx. 2 sec. The heating curve will be adjusted accordingly along the room temperature setpoint axis C, which results in modified start/stop characteristics of the heating circuit pumps if the heating circuit pump logic is enabled.

(continued)

Temperature conversion: ˚C ˚F

-20 -4 20 68 26 79 90 194

Room Temperature Setback

-20

D E

Fig. 19 Example 2: Adjusting the

room temperature setback from 5 to 14ºC

A Boiler water temperature / Supply

temperature in ºC

B Outdoor temperature in ºC C Room temperature setpoint in ºC D Heating circuit pump “OFF” E Heating circuit pump “ON”

1. Press “⊕”. “1rrrr“ flashes on the

display.

2. Press “ ” to select a heating circuit without a mixing valve.

3. Press “⊕”. “2rrrr“ flashes on the display.

4. Press “ ” to select a heating circuit with a mixing valve.

5. Press “tm” for night temperature setback.

6. Press “⊕ / “ to change value.

7. “ ” to confirm value.

Temperature conversion: ˚C ˚F

-20 -4 5 41

14 57 20 68 90 194

5418 911 v1.6

Page 33

Control Technology

Outdoor Reset Programming Unit

Connecting the boiler control to a LON system

Vitocom LON Communication Module (accessory) must be connected.

Note: Data transfer via LON can take several minutes.

Single-boiler system with Vitotronic 200-H, HK1M and Vitotronic 200-H, HK1S mixing valve controls and Vitocom LON communication module

Set up the LON participant numbers and other functions via coding level 2 (see table below).

Note: In the same LON system, a number cannot be allocated twice.

Boiler Control Unit

(continued)

Installation Instructions LON Communication Module

Only one Vitotronic may be programmed as fault manager.

Vitotronic 200-H (e.g. HK1M mixing valve control)

Vitotronic 200-H (e.g. HK1S multiple mixing valve control)

Vitocom*1LON communication module

LON LON LON

Participant no.1 Code ”77:1”

Control unit is fault manager Code ”79:1”

Control unit transmits the time Code ”7b:1”

Control unit transmits outdoor temperature Set code ”97:2”

LON participant fault monitoring Code ”9C:20”

Refer to separate Installation Instructions of accessories.

5418 911 v1.6

Participant no.10 Code ”77:10”

Control unit is not fault manager Code ”79:0”

Control unit receives the time Set code ”81:3”

Control unit receives outdoor temperature Set code ”97:1”

LON participant fault monitoring Code ”9C:20”

Participant no.11 Code ”77:11”

Control unit is not fault manager

Code ”79:0”

Control unit receives the time Set code ”81:3”

Control unit receives outdoor temperature Set code ”97:1”

LON participant fault monitoring Code ”9C:20”

Participant no.99

Device is fault manager

Device receives the time

Page 34

Control Technology

Outdoor Reset Programming Unit

Connecting the boiler control to a LON system

(continued)

Updating the LON participant list

Only possible if all participants are connected and the control unit is programmed to be fault manager (coding address ”79:1”).

1. Press “w“ + “ ” simultaneously

for approx. 2 sec. Participant check is initiated (see page 35).

2. The participant list is updated after approx. 2 min. The participant check is completed.

(continued)

5418 911 v1.6

Page 35

Control Technology

Outdoor Reset Programming Unit

Connecting the boiler control to a LON system

User check

01 : 01

A Consecutive number in the

participant list

B Participant number

OOOO

(continued)

Performing participant check

Conditions:

H The control unit must be

programmed as fault manager (code ”79:1”)

H The LON participant number must

be programmed in all control units (see table on previous page)

H The LON participant list in the fault

manager must be up-to-date (see table on page 33)

1. Press “w“ + “ ” simultaneously

for approx. 2 sec. Participant check is initiated.

2. Press “⊕ / “ for required

participant.

(continued)

Instructing the system user

3. Press “ ”. Check is

enabled.”Check” flashes until its completion. The display and all key illuminations for the selected participant flash for approx. 60 sec.

4. ”Check OK” is displayed during communication between both devices.

”Check not OK” is displayed if there is no communication between both devices. Check the LON connection.

5. Repeat steps 2 and 3 to check other participants.

6. Press “w“ + “ ” simultaneously for approx. 1 sec. The participant check is completed.

5418 911 v1.6

The system installer must hand the operating instructions to the system user and instruct him/her in the operation of the system.

Page 36

Control Technology

Outdoor Reset Programming Unit

Scanning and resetting the “Service” display

The red fault indicator flashes when the limits for the maintenance interval (set via coding address ”21”) and the burner service interval (coding address ”23”) have been reached. On the programming unit the word “Service” flashes.

Note: Set coding address “24” to ”24:0”, and then to ”24:1” if service

1. Press “i“. The service scan is

active.

2. Press “⊕ / “ to scan service

messages.

3. Press “ ”. The service display will be cleared. Reconfirm ”Acknowledge: Yes” by pressing “ ”. The red fault display continues to flash.

(continued)

is performed before the service display is shown; the set service parameters for hours run and interval are then reset to “0”.

After service has been performed

1. Reset code ”24:1” to ”24:0”.

The red fault indicator extinguishes.

2. Reset the burner hours run, burner starts and consumption, if required. Press the following buttons:

i Scanning is active. ⊕ /  for the selected value. “ ” The selected value will be

set to “0”.

⊕ /  for further scans.

Scanning is completed.

If coding address ”24” is not reset, the ”Service” message reappears at 7 am on Monday.

5418 911 v1.6

Page 37

Coding Level 1

Accessing coding level 1

Coding

Note:

H All codes are displayed as plain text.

H Codes that are irrelevant due to the system equipment level or the setting of

other codes will not be displayed.

H Heating systems with one heating circuit without mixing valve*1and one

heating circuit with mixing valve*2:

Initially, coding addresses ”A0” to ”d4” for the heating circuit without a mixing valve are scanned; then the coding addresses for the heating circuit with a mixing valve are scanned.

1. Press “9” + “w“ simultaneously

for approx. 2 sec.

2. Press “⊕ / “ for the required

coding address, the address flashes.

3. Press “ ”. to confirm.

4. “⊕ / “ for the selected value.

5. “ ”. to confirm. The display

briefly shows ”accepted”, and the address flashes again.

6. “⊕ / “ to select other addresses.

7. Press “9” + “w“ simultaneously

for approx. 1 sec. Coding level 1 is terminated.

5418 911 v1.6

May also be referred to as “heating circuit without mixer A1”

May also be referred to as “heating circuit with mixer M2”.

Page 38

Coding

2F:0Airbleedprogram/fillprogramdisabled

pumpandmixingvalv

Coding Level 1

Overview of coding addresses

Coding (factory default setting) Possible change

System design

00 :1 System type 1, 2:

1 heating circuit without mixing valve, without DHW heating

Maximum boiler water temperature

06:... Maximum boiler water temperature limit

(defaulted by the boiler coding card)

Bleeding air/Filling

2F:0 Air bleed program/fill program disabled

Participant no.

77:1 LON participant number 77:2

(continued)

Coding addresses not discussed in this section must not be changed. See page 37 for information of how to access the coding addresses in coding level 1.

00 :2 System type 1, 2:

00 :3 System type 3, 6, 8:

00 :4 System type 3, 6, 8:

00 :5 System type 4, 5, 7:

00 :6 System type 4, 5, 7:

06:20 to 06:127

2F:1 Air bleed program enabled

2F:2 Fill program enabled

to 77:99

1 heating circuit without a mixing valve, with DHW heating

1 heating circuit with mixing valve, without DHW heating

1 heating circuit with mixing valve, with DHW heating

1 heating circuit without mixing valve and 1 heating circuit with mixing valve, without DHW heating

1 heating circuit without mixing valve; 1 heating circuit with mixing valve, with DHW heating

Maximum limit of the boiler water temperature within the ranges defaulted by the boiler coding card

LON participant number, adjustable from 1 to 99: 1 - 4 = Boiler 5 = Cascade 10 - ... = Vitotronic 200-H, HK1S/HK1M 99 = Vitocom

DHW priority (heating circuit without mixing valve, A1)

A2:2 DHW priority to heating circuit pump A2:0 Without DHW priority to heating circuit pump

DHW priority (heating circuit with mixing valve, M2)

A2:2 DHW priority applicable to heating circuit

pump and mixing valve

Note: Allocate each number only once.

A2:0 Without DHW priority applicable to heating

circuit pump and mixing valve

A2:1 DHW priority only applicable to mixing valve

A2:3 to A2:15

Reduced priority applied to mixing valve (the heating circuit receives a reduced amount of energy)

5418 911 v1.6

Page 39

Coding

Coding Level 1

Overview of coding addresses

Coding (factory default setting) Possible change

Summer setback (econ.) A1, M2

A5:5 With heating circuit pump logic function A5:0 Without heating circuit pump logic function

Minimum supply temperature

C5:20 Electronic minimum supply temperature

limit 68°F / 20°C

Maximum supply temperature A1, M2

C6:74 Electronic maximum supply temperature

limit 165°F / 74°C

Slope A1, M2

d3:14 Heating curve slope = 1.4 d3:2

Shift A1, M2

d4:0 Heating curve shift = 0 d4:-13

(continued)

C5:1 to C5:127

C6:10 to C6:127

to d3:35

to d4:40

Minimum limit adjustable from 34 to 261°F / 1 to 127°C (limited by the boiler coding card). Observe max. possible boiler water temperature.

Maximum limit adjustable from 50 to 261°F / 10 to 127°C. Observe max. possible boiler water temperature of 165°F / 74°C.

Heating curve slope adjustable from 0.2 to 3.5 (see page 31)

Heating curve shift adjustable from -13 to 40 K

(see page 31)

5418 911 v1.6

Page 40

Coding

Coding Level 2

Accessing coding level 2

Note:

H All codes are displayed as plain text.

H Codes that are irrelevant due to the system equipment level or the setting of

other codes will not be displayed.

1. Press “w“ + “rrrrw“ simultaneously for approx. 2 sec.

2. Press “ ” to confirm.

3. Press “⊕ / “ for the required

coding address, the address flashes.

4. Press “ ”. to confirm.

5. “⊕ / “ for the selected value.

6. “ ”. to confirm. The display

briefly shows ”accepted”, and the address flashes again.

7. “⊕ / “ to select other addresses.

8. Press “w“ + “rrrrw“

simultaneously for approx. 1 sec. Coding level 2 is terminated.

The coding addresses are grouped according to the following function areas. The respective function area is shown on the display. The areas are scanned in the following sequence by pressing “⊕ / “.

Function area Coding addresses

System design Boiler/Burner DHW General Heating circuit without mix. valve, A1 Heating circuit with mix. valve, M2

Heating systems with one heating circuit without mixing valve*1and one heating circuit with mixing valve*2:

Initially, the possible coding addresses ”A0” to ”Fb” for the heating circuit without a mixing valve are scanned; then the coding addresses for the heating circuit with mixing valve are scanned.

00 06 to 54 56 to 73 76 to 9F A0 to Fb A0 to Fb

May also be referred to as “heating circuit without mixer A1”

May also be referred to as “heating circuit with mixer M2”.

5418 911 v1.6

Page 41

Coding

2F:0Airbleedprogram/fillprogramdisabled

Coding Level 2

(continued)

Overview of coding addresses

Coding (factory default setting) Possible change

System design

00 :1 System type 1, 2:

1 heating circuit without mixing valve,

00 :2 System type 1, 2:

1 heating circuit without a mixing valve, with DHW heating

without DHW heating

00 :3 System type 3, 6, 8:

1 heating circuit with mixing valve, without DHW heating

00 :4 System type 3, 6, 8:

1 heating circuit with mixing valve, with DHW heating

00 :5 System type 4, 5, 7:

1 heating circuit without mixing valve and 1 heating circuit with mixing valve, without DHW heating

00 :6 System type 4, 5, 7:

1 heating circuit without mixing valve; 1 htg. circuit with mixing valve, with DHW heating

Boiler/Burner

06:... Maximum limit of the boiler water

temperature, defaulted by the boiler coding card

07:1 Boiler number in multiboiler

system (only with Vitocontrol-S and Vitotronic 100 control)

11:≠9 No access to the coding

addresses for the parameters

06:20 to

Maximum limit of the boiler water temperature within the ranges defaulted by the boiler coding card

06:127 07:2

Boiler number 2 to 4 in multiboiler system (only with Vitocontrol-S and Vitotronic 100 control)

07:4 11:9 Access open to the coding addresses for the

parameters of the combustion controller

of the combustion controller

12:0 Special function OFF

Always reset to 12:0 if “possible change” used.

21:0 No maintenance interval (operating

hours) selected

23:0 No time interval for burner service

selected

12:1

12:2

21:1 to 21:100

23:1 to

Special function ON:

During calibration, the control automatically sets the boiler water temperature to max. If automatic calibration is initiated, the boiler will not start unless the temperature falls below 108°F / 42°C (see fault Eb before adjusting)

The number of hours run before the burner should be serviced is adjustable from 0 to 100 (each increment = 100 h)

Interval adjustable from 1 to 24 months

23:24 24:0 The service display is reset 24:1 Service display (value displayed automatically)

28:0 No burner interval ignition 28:1

28:24 2E:0 KM-BUS connection of power/pump

2E:1 KM-BUS connection of power/pump module automatically

module not recognized

2F:0 Air bleed program/fill program disabled

2F:1 Air bleed program enabled

Time interval adjustable from 1 to 24 h. The burner is force-started once for 30 sec. within selected time interval

(only adjustable if coding address 82:_ has been set to 1).

recognized

2F:2 Fill program enabled

32:0

Generally, the burner will be blocked when signal ”External blocking” is enabled.

5418 911 v1.6

Influence of the signal ”External blocking” on circulation pumps: All pumps in control function

32:1

32:15

Influence of the signal ”External blocking” on circulation pumps: see the following table

Page 42

Coding

Coding Level 2

Overview of coding addresses

Value coding address 32: ...

0 Control function Control function Control function Control function

1 Control function Control function Control function OFF

2 Control function Control function OFF Control function

3 Control function Control function OFF OFF

4 Control function OFF Control function Control function

5 Control function OFF Control function OFF

6 Control function OFF OFF Control function

7 Control function OFF OFF OFF

8 OFF Control function Control function Control function

9 OFF Control function Control function OFF

10 OFF Control function OFF Control function

11 OFF Control function OFF OFF

12 OFF OFF Control function Control function

13 OFF OFF Control function OFF

14 OFF OFF OFF Control function

15 OFF OFF OFF OFF

(continued)

Boiler pump sÖ Heating circuit pump

Heating circuit without mixing valve

Heating circuit pump Heating circuit with mixing valve

DHW circulation pump

Coding (factory default setting) Possible change

Boiler/Burner

34:0 Influence of the signal ”External demand”

on the circulation pumps: All pumps in control function

Value coding address 34: ...

0 Control function Control function Control function Control function

1 Control function Control function Control function OFF

2 Control function Control function OFF Control function

3 Control function Control function OFF OFF

4 Control function OFF Control function Control function

5 Control function OFF Control function OFF

6 Control function OFF OFF Control function

7 Control function OFF OFF OFF

8 OFF Control function Control function Control function

9 OFF Control function Control function OFF

10 OFF Control function OFF Control function

11 OFF Control function OFF OFF

Boiler pump sÖ Heating circuit pump

Heating circuit without mixing valve

34:1 to 34:23

Influence of the signal ”External demand” on the circulation pumps: see the following table

Heating circuit pump Heating circuit with mixing valve

DHW circulation pump

5418 911 v1.6

Page 43

Coding

Coding Level 2

Overview of coding addresses

Value coding address 34: ...

12 OFF OFF Control function Control function

13 OFF OFF Control function OFF

14 OFF OFF OFF Control function

15 OFF OFF OFF OFF

16 ON Control function Control function Control function

17 ON Control function Control function OFF

18 ON Control function OFF Control function

19 ON Control function OFF OFF

20 ON OFF Control function Control function

21 ON OFF Control function OFF

22 ON OFF OFF Control function

23 ON OFF OFF OFF

(continued)

Boiler pump sÖ Heating circuit pump

Heating circuit without mixing valve

Heating circuit pump Heating circuit with mixing valve

DHW circulation pump

Coding (factory default setting) Possible change

Boiler/Burner

38:0 Status burner control unit: Operational

(no fault)

51:0 Boiler pumpsÖalways runs when there

is a heat demand and boiler set point below warm weather shutdown. (only in conjunction with low loss header)

52:0 Without flow temperature sensor for

low-loss header

53:1 No adjustment

54:0 Without solar control unit

Domestic hot water (DHW)

56:0 DHW temperature adjustable from

10 to 60°C

58:0 Without auxiliary function for DHW

heating

59:0 DHW tank heating (differential

temperature setting): Starting point -2.5 K

5418 911 v1.6

Stopping point +2.5 K

38:≠0 Fault burner control unit

51:1 Boiler pump

52:1 With flow temperature sensor for low-loss

54:1 (not used)

54:2 With Vitosolic 200 (automatic adjustment on

56:1 DHW temperature adjustable from 50 to

58:10 to 58:60

59:1 to 59:10

sÖ

will only be started when there is a heat demand (with a 60 sec. delay-off time)

header (automatic recognition on connection)

With Vitosolic 100 (automatic adjustment on connection)

connection)

above 140°F / 10 to above 60°C (max. 154°F / 68°C)

Note:

Maximum value subject to boiler coding card. Observe the max. permissible DHW temperature.

Input of a second DHW setpoint, adjustable from 50 to 140°F / 10 to 60°C (observe coding address ”56”)

Starting point adjustable from 1 to 10 K below the setpoint

Page 44

Coding

62:2Circulationpumpwith2min.timedelay

67:40WiththeVitosolic:ThirdDHWsetpoin

”ON”inaccordancewiththetime

program

Coding Level 2

Overview of coding addresses

Coding (factory default setting) Possible change

Domestic hot water (DHW)

5b:0 DHW tank directly connected to the

boiler

60:20 During DHW heating, the boiler water

temperature is max. 20 K higher than the DHW setpoint temperature

62:2 Circulation pump with 2 min. time delay

after DHW tank heating

65:0 No adjustment

67:40 With the Vitosolic: Third DHW setpoint

temperature = 40°C

(Not used.)

6F:100 Maximum input for DHW heating in %,

defaulted by the boiler coding card

71:0 DHW recirculation pump:

”ON” in accordance with the time program

72:0 DHW recirculation pump:

”ON” in accordance with the time program

73:0 DHW recirculation pump:

”ON” in accordance with the time program

General

76:0 Without LON communication module 76:1 With LON communication module; automatic

77 :1 LON participant number 77 :2

79:1 With LON communication module:

Control unit is fault manager

7b:1 With LON communication module:

The control unit transmits the time

(continued)

5b:1 DHW tank connected downstream of the

low-loss header

60:5 to 60:25

62:0 Circulation pump without time delay

62:1 to 62:15

67:0 Without third DHW setpoint temperature

67:1 to 67:60

6F:5 to 6F:100

71:1 ”OFF” during DHW heating to the first

71:2 ”ON” during DHW heating to the first setpoint

72:1 ”OFF” during DHW heating to the second

72:2 ”ON” during DHW heating to the second

73:1 to 73:6

73:7 Permanently ”ON”

to 77 :99

79:0 Control unit is not fault manager

7b:0 Do not transmit time

The difference between the boiler water temperature and the DHW setpoint temperature is adjustable from 5 to 25 K

Pump time delay adjustable from 1 to 15 min.

Third DHW setpoint temperature adjustable from 34 to 140°F / 1 to 60°C (subject to the setting of coding address ”56”)

Max. input during DHW heating adjustable from 0 to 100 % (5=min. input of the boiler). The min. to max. input range displayed is determined by the boiler coding card.

setpoint

During the time program ”ON” 1x/hour for 5 min. up to 6x/hour for 5 min.

recognition

LON participant number, adjustable from 1 to 99 (see page 33).

Note:

Allocate each number only once.

5418 911 v1.6

Page 45

Coding

80:1Afaultmessageisdisplayed,providinga

changeover(daylightsavingsdatei

viaconnectioninthepower/pum

connectedtothecontrolunitisutilized

internall

97:2Controlunittransmitstheoutdoortemperature

participant,valuesdefaultedbyth

Coding Level 2

Overview of coding addresses

Coding (factory default setting) Possible change

General

7F:1 Detached house 7F:0 Apartment

80:1 A fault message is displayed, providing a

fault is active for at least 5 sec.

81:1 Automatic daylight savings time

European countries)

82:0 Operation with natural gas 82:1 Operation with LPG (only adjustable if

85:0 Standard mode 85:1

88:0 Temperature displayed in °C (Celsius) 88:1 Temperature displayed in °F (Fahrenheit)

8A:175 No adjustment

90:128 Time constant for calculating the

adjusted outdoor temperature

21.3 hours

91:0 No external heating program changeover

via connection aVD in the power/pump module (see page 64 in this manual)

97:0 With LON communication module: The

outdoor temperature of the sensor

(continued)

Separate adjustment of holiday program and time program for DHW heating, as option

80:0 Immediate fault message

80:2 to 80:199

81:0 Manual daylight savings time changeover

81:3 Accept time via LON communication

90:0 to 90:199

91:1

91:2 The external heating program changeover

91:3 The external heating program changeover

97:1 The control unit receives the outdoor

The fault message is issued after a delay that is adjustable from 10 sec. to 995 sec.; 1 increment = 5 sec.

coding address 11:9 has been set).

Manual calibration of the combustion controller (only adjustable if coding address 11:9 has been set). The red fault indicator also flashes during calibration. The process has terminated when the red fault indicator no longer flashes (after approx. 1 min.).

Note:

Heat generated by the boiler must be dispersed during manual calibration.

Fast (low values) or slow (high values) matching of the supply temperature, subject to the setpoint when the outdoor temperature changes; 1 increment = 10 min.

The external heating program changeover affects the htg. circuit without mixing valve A1

affects the htg. circuit with mixing valve M2

affects the htg. circuit without mixing valve A1 and the htg. circuit with mixing valve M2

temperature

9b:70 Minimum boiler water temperature

setpoint in case of external demand

9C:20 Monitoring LON participants

When there is no response from a

control unit are used after 20 min. and a fault message is issued

5418 911 v1.6

9b:1 to 9b:127

9C:0 No monitoring

9C:0 Time adjustable from 5 to 60 min.

Minimum boiler water setpoint temperature adjustable from 34 to 261°F / 1 to 127°C (limited by the boiler coding card)

Page 46

Coding

A0:0Withoutremotecontro

pumpandmixingvalv

codingaddress

Coding Level 2

Overview of coding addresses

Coding (factory default setting) Possible change

General

9F:8 Differential temperature 8 K; only in

conjunction with the mixing valve circuit

Boiler circuit, mixing valve circuit

A0:0 Without remote control

DHW priority (heating circuit without mixing valve, A1)

A2:2 DHW priority to heating circuit pump A2:0 Without DHW priority to heating circuit pump

DHW priority (heating circuit with mixing valve, M2)

A2:2 DHW priority applicable to heating circuit

pump and mixing valve

A3:2 Outdoor temperature below 34°F / 1°C:

Heating circuit pump ”ON” Outdoor temperature above 37°F / 3°C: Heating circuit pump ”OFF”

(continued)

9F:0 to 9F:40

A0:1 With Vitotrol 200 (automatic recognition)

A0:2 With Vitotrol 300 (automatic recognition)

A2:0 Without DHW priority applicable to heating

A2:1 DHW priority only applicable to mixing valve

A2:3 to A2:15

A3:-9 to A3:15

Differential temperature adjustable from 0 to 40 K (0 to 72°F)

circuit pump and mixing valve

Reduced priority applied to mixing valve (the heating circuit receives a reduced amount of energy)

Heating circuit pump ”ON/OFF” (see the following table)

WARNING

When selecting a value below 34°F / 1°C, there is a risk of pipes outside the thermal envelope of the building being damaged by frost. The standby mode, in particular, should be taken into consideration, e.g. during holidays.

Parameter

A3:...

-9 14°F / -10°C 18°F / -8°C

-8 16°F / -9°C 20°F / -7°C

-7 18°F / -8°C 21°F / -6°C

-6 20°F / -7°C 23°F / -5°C

-5 21°F / -6°C 25°F / -4°C

-4 23°F / -5°C 27°F / -3°C

-3 25°F / -4°C 28°F / -2°C

-2 27°F / -3°C 30°F / -1°C

-1 28°F / -2°C 32°F / 0°C

0 30°F / -1°C 34°F / 1°C

1 32°F / 0°C 36°F / 2°C

2 to 15 34 to 57°F /

Heating circuit pump

”ON” at ”OFF” at

37 to 61°F /

1 to 14°C

3 to 16°C

5418 911 v1.6

Page 47

Coding

(economycircuit):Heatingcircuitpump

codingaddress

function:Heatingcircuitpump

valvewasclosedlongerthan20min.Heating

Coding Level 2

Overview of coding addresses

Coding (factory default setting) Possible change

Boiler circuit, mixing valve circuit

A4:0 With frost protection A4:1 No frost protection, adjustment

A5:5 With heating circuit pump logic function

(economy circuit): Heating circuit pump ”OFF” if the outdoor temperature (AT) is 1 K higher than the room temperature setpoint (RTset) AT > RTset + 1 K

(continued)

only possible if coding address ”A3: -9” has been selected.

Note:

Observe the note for code ”A3”.

A5:0 Without heating circuit pump logic function

A5:1 to A5:15

Parameter

A5:...

1 AT > RTset + 5 K

2 AT > RTset + 4 K

3 AT > RTset + 3 K

4 AT > RTset + 2 K

5 AT > RTset + 1 K

6 AT > RTset

7 to 15 AT > RTset - 1 K

With heating circuit pump logic function: Heating circuit pump ”OFF”, if (see the following table)

With heating circuit pump logic

OFF, if

to AT > RTset - 9 K

Coding (factory default setting) Possible change

Boiler circuit, mixing valve circuit

A6:36 Extended economy function disabled A6:5

A7:0 Without mixing valve economy function A7:1 With mixing valve economy function

A8:1 Heating circuit with mixing valve creates

a demand for the circulation pump

5418 911 v1.6

Extended economy mode is enabled, i.e. the

to A6:35

A8:0 Heating circuit with mixing valve creates no

burner and heating circuit pump are switched OFF and the mixing valve will be closed at a variable value that is adjustable between 5 and 35°C plus 1°C. This value is based on the dampened outdoor temperature, comprising the actual outdoor temperature and a time constant that takes the cooling down of an average building into consideration.

(extended heating circuit pump logic): Heating circuit pump also ”OFF” if the mixing valve was closed longer than 20 min. Heating pump ”ON”: H If the mixing valve changes to control mode or H If there is a risk of frost

demand for the circulation pump

Page 48

Coding

pump”OFF”ifthesetpointchanges

Withoutdoorrese

b2:8Withremotecontrolunitandforheatin

Note:T=Temperaturedifference

Coding Level 2

Overview of coding addresses

(continued)

Coding (factory default setting) Possible change

Boiler circuit, mixing valve circuit

A9:7 With pump stop function: Heating circuit

through a change in operating mode or through a change in the room temperature setpoint

b0:0

With remote control: Heating mode / reduced mode: With outdoor reset

A9:0 Without pump stop function

A9:1 to

With pump stop function; adjustable from 1 to 15

A9:15

b0:1 Heating mode: With outdoor reset

Reduced mode: With room temperature feedback

b0:2 Heating mode: With room temperature

feedback Reduced mode: With outdoor reset

b0:3 Heating mode / reduced mode:

With room temperature feedback

b1:0 Do not adjust

b2:8

With remote control unit and for heating circuit, operation with room temperature feedback must be programmed: Room influencing factor 8

b2:0 No room influence

b2:1

Room influence factor adjustable from 1 to 31 to b2:31

b3:0 Do not adjust

b5: 0

With remote control: Without room temperature dependent heating circuit pump logic function

b5:1 Heating circuit pump

ON at RT

OFF, at RT

actual

T for ON T for OFF

Note: T=Temperature difference

4K / 7F 5K / 9F

b5:2 3K / 5F 4K / 7F

b5:3 2K / 4F 3K / 5F

b5:4 1K / 2F 2K / 4F

b5:5 0K / 0F 1K / 2F

b5:6 -1K / -2F 0K / 0F

b5:7 -2K / -4F -1K / -2F

b5:8 -3K / -5F -2K / -4F

C5:20 Electronic minimum supply temperature

limit 68°F / 20°C

C6:74 Electronic maximum supply temperature

limit 165°F / 74°C

d3:14 Heating curve slope = 1.4 d3:2

C5:1 to C5:127

C6:10 to C6:127

Minimum temperature limit adjustable from

34 to 261°F / 1 to 127°C (limited by the

boiler coding card)

Maximum temperature limit adjustable from

50 to 261°F / 10 to 127°C (limited by the

boiler coding card)

Heating curve slope adjustable from 0.2 to 3.5

(see page 31). d3:35

d4:0 Heating curve shift = 0 d4:-13

Heating curve shift adjustable from -13 to 40 K

(see page 31) d4:40

Change coding – for heating circuit without mixing valve A1 only for boilers without lower temperature limit

– for heating circuit with mixing valve M2 only, if remote control unit affects this heating circuit.

> RT

< RT

set

+ T

5418 911 v1.6

Page 49

Coding

F1:0Donotadjust

F2:8Timelimitforpartymodeorexternal

F6:25Donotadjust.

F7:25Donotadjust.

tothesetheatingcurve(uptoth

Coding Level 2

Overview of coding addresses

(continued)

Coding (factory default setting) Possible change

Boiler circuit, mixing valve circuit

d5:0 External heating program changeover via

plug aVD: Heating program changes to

d5:1 Heating program changes to constant

operation with normal room temperature constant operation with reduced room temperature

E5:0 Without variable speed heating circuit

pump. Do not adjust.

F2:8 Time limit for party mode or external

heating program changeover via keyboard: 8 hours

F2:0 No time limit for party mode

F2:1

Time limit adjustable from 1 to 12 hours

to F2:12

F5:12 Do not adjust.

F8:-5 With outdoor temperature sensor:

Below an outdoor temperature of 23ºF /

-5ºC, the reduced room temperature

F8:+10 to F8:-60

Temperature limit for raising the reduced

operation adjustable from

50 to -76°F / +10 to -60°C setpoint is raised to an outdoor temperature dependent value according to the set heating curve (up to the temperature limit as defined in coding

F8:-61 Function disabled address “F9”). See example on page 65. Observe the setting of coding address ”A3”.

F9:-14 With outdoor temperature sensor:

Below an outdoor temperature of 7ºF / -14ºC, the reduced room

F9:+10

F9:-60

Temperature limit for raising the reduced operation adjustable from 50 to -76°F /

+10 to -60°C temperature setpoint is raised to the value of the normal room temperature setpoint. See example on page 65.

FA:20 Raising the boiler water setpoint

temperature or the supply setpoint temperature when changing from

FA:0 to FA:50

Temperature rise adjustable from 0 to 50 %

operation with reduced room temperature to operation with standard room temperature, by 20 %. See example on page 65.

Fb:30 Duration for raising the boiler water

temperature setpoint or the supply temperature setpoint (see coding address

Fb:0 to Fb:150

Duration adjustable from 0 to 300 min.;

1 increment = 2 min.

”FA”)60 min. See example on page 66.

Change coding – for heating circuit without mixing valve A1 only for boilers without lower temperature limit

Party mode ends automatically in heating program ” temperature.

– for heating circuit with mixing valve M2 only, if remote control unit affects this heating circuit.

” when the system changes over to operation with standard room

5418 911 v1.6

Page 50

CodingCoding

Coding Level 2

Resetting coding addresses to the factory default setting

(continued)

1. Press “w“ + “rrrrw“

simultaneously for approx. 2 sec.

2. Press “ ”. “Factory set? Yes” appears.

3. Press “ ” to confirm.

4. “⊕ / “ to select “Factory set? No”.

Service Level Overview

Function Key combination Exit Page

Temperatures, boiler coding card and brief scans

Relay test Press “9“ and “ “

Max. output (heating mode) Press “9“ and “ttttwwww“

Operating conditions and sensors

Service scan Press “i“ (if ”Service”

Adjusting the display contrast

Retrieving an acknowledged fault message

Fault history

Participant check (in conjunction with LON)

Emissions test function ” ”

Press “9“ and “rrrrw“ simultaneously for approx. 2 sec.

simultaneously for approx. 2 sec.

Press “i“.

flashes).

Press “ “and ”⊕” simultaneously; the display darkens.

Press “ “and ”” simultaneously; the display becomes lighter.

Press “ “ for approx. 3 sec.

Press “ “ and “rrrrw“ simultaneously for approx. 2 sec.

Press “ “ and “w“ simultaneously for approx. 2 sec.

Press “tw” and “tm” simultaneously for approx. 2 sec.

Press

Press “ “and “w“ simultaneously.

Press “tw” and “tm” or “tr” and “tw” simultaneously for approx. 1 sec, alternatively automatic after 30 min.

5418 911 v1.65418 911 v1.6

Page 51

Service ScansService Scans

DisplayscreenExplanatio

Outdoortemperatureactua

beresettotheactualoutdoortemper

DHWtemperaturesetpoin

Commonsupplytemperaturesetpoint

Low-lossheader.

Service Level Overview

Coding level 1 Plain text display

Coding level 2 Numerical display

Resetting coding addresses to the factory default setting

(continued)

Press “9” and “w” for approx. 2 sec. simultaneously.

Press “w” and “rw” for approx. 2 sec. simultaneously.

Press “w” and “rw” for approx. 2 sec. simultaneously; then press

Press “9” and “w” for approx. 1 sec. simultaneously.

Press “w” and “rw” for approx. 1 sec. simultaneously.

Temperatures, Boiler Coding Card and Brief Scans

1. Press “9“ + “rrrrw“ simultaneously

for approx. 2 sec.

2. Press “⊕ / “ for the required scan.

3. Press “ ” to complete the scan.

The following values can be scanned, depending on the system installed:

Brief scan

8 8 8 8 8 8

1 Software version

Control unit

3 0 Software version

5418 911 v1.65418 911 v1.6

System designs 01 to 06

Programming unit

Slope A1*1- shift A1 Slope M2*1- shift M2 Outdoor temperature adjustment

Boiler temperature setpoint Boiler temperature actual DHW temperature setpoint DHW temperature actual Supply temperature Supply temperature actual

Common supply temperature actual Boiler coding card Brief scan 1 to 8

A1 = Heating circuit without mixing valve. M2 = Heating circuit with mixing valve.

Display screen

Equipment version Burner control unit

Number of KM BUS participants

Software version Mixing valve accessory kit 0: no mixing valve accessory kit

Maximum heat demand temperature

Software version Solar control unit (if used) 0: no solar control unit

The adjusted outdoor temperature can

ature with “ “.

Heating circuit with mixing valve. Heating circuit with mixing valve.

Low-loss header.

version

Software version LON communication module 0: no LON communication module

Software version External extension 0: no external extension

Page 52

Service ScansService Scans

DisplayscreenExplanatio

BoilerpumpO

Externalpower/pumpmodul

Mixingvalveclosed

Htg.circuitpumpwithmix.valveext.kit

HeatingcircuitpumpON(A1

)

Externalpower/pumpmodul

Temperatures, Boiler Coding Card and Brief Scans

Brief scan

Display screen

8 8 8 8 8 8

Software version

5 0: no external

6 Number of LON

7 0 0 Remote control

Burner control unit

0: no external demand 1: external demand

participants

Boiler Heating circuit A1

Circulation pump Heating circuit pump to connection extension

blocking

1: external

blocking

Type Burner control unit

0 External 0 to 10V hook-up

Display in °C 0: no external hook-up

Check digit Max. output

Details in %

(without mixing valve)

Software version 0: w/o 1: Vitotrol 200 2: Vitotrol 300

Remote control

0: no remote

control

(continued)

Equipment type

Heating circuit M2 (with mixing valve)

Remote control 0: w/o 1: Vitotrol 200 2: Vitotrol 300

Software version Remote control 0: no remote control

8 Variable speed

pump 0: w/o

Software version Variable speed pump 0: no variable speed pump

Checking Outputs (Relay Test)

1. Press “9“ + “ “ simultaneously

for approx. 2 sec.

2. Press “⊕ / “ for the required relay

output.

3. Press “ ” to complete relay test.

The following relay outputs can be controlled depending on your system design:

Base load Full load

Heating circuit pump ON (M2) Mixing valve open

Variable speed pump 0: w/o

Software version

Variable speed

pump

0: no variable

speed pump

Variable speed pump 0: w/o

Burner modulation base load Burner modulation full load

Htg. circuit pump with mix. valve ext. kit Htg. circuit pump with mix. valve ext. kit

Software version variable speed pump 0: no variable speed pump

(min. input)

Output internal ON Heating circuit pump ON (A1) DHW pump ON DHW recirculation pump ON Central fault indicator ON

Not used External power/pump module External power/pump module sA External power/pump module sK External power/pump module gÖ

20A

5418 911 v1.65418 911 v1.6

Page 53

Scanning Operating Conditions and Sensors

DisplayscreenExplanatio

Normalroomtemperature,__º

Setpointvalue

Burnercycles,

Hoursrunandburnerstarts(reset

DHWpumpON/OFF

Power/pumpmodul

Service Scans

1. Press “i“. “Select heating circuit”

is displayed.

2. Press “ “ to confirm. Wait approx. 4 sec.

3. Press “i“ again.

4. Press “⊕ / “ for required operating

condition.

5. Press “ “ to complete scan.

Depending on the system installed, the following operating conditions can be scanned, for the heating circuit without mixing valve and the heating circuit with mixing valve:

Participant number

Holiday program Departure date Return date Outdoor temperature, _ _ºC Boiler temperature, _ _ºC Supply temperature, _ _ºC

If one heating circuit A1. Press “⊕“ for required operating condition.

Programmed participant number in LON system If a holiday program has been entered Date Date Actual value Actual value Actual value (only for heating circuit with mixing valve, M2)

Room temperature, _ _ºC External room temperature _ _ºC setpoint DHW temperature, _ _ºC Solar DHW temperature, _ _ºC Collector temperature, _ _ºC Common supply temperature, _ _ºC

Burner, _ _hr.

Solar energy, _ _kW/h Time Date Burner ON/OFF Circulation pump ON/OFF Internal output ON/OFF Heating circulation pump ON/OFF

Recirculation pump ON/OFF Central fault indicator ON/OFF Mixing valve OPEN/CLOSE

Solar pump ON/OFF Solar pump, _ _hr. Various languages

Actual value For external connection

Actual DHW temperature Actual value Actual value Actual value, only with low-loss header Actual hours run

after maintenance with “ “to “0”)

Output 20 Not used. Power/pump module If a heating circuit with mixing valve (M2) is installed

Power/pump module Power/pump module If an accessory kit for a heating circuit with a mixing valve is installed If a Vitosolic is installed Actual hours run The respective languages can be selected as permanent display languages with

5418 911 v1.6

Page 54

Troubleshooting

Diagnostics

Fault display

A Fault display B Fault symbol

RESET

Outside temp. sensor

C Fault number D Fault code

The red fault indicator flashes for every fault. A fault in the burner control unit causes the display to show ” ”.

Fault

ºC

The display flashes ”Fault” if a fault message is issued.

Plain text fault displays:

H Burner module H Outdoor sensor H Supply sensor H Boiler sensor H Common supply sensor (low-loss

header)

H DHW sensor H Room sensor H Flue gas sensor H Collector sensor H Solar DHW sensor H Fault participant

Checking and acknowledging faults

Note: If an acknowledged fault is not removed, the fault message will be

re-displayed at 7 am the next day.

1. Press “i“ for current fault.

2. Press “⊕ / “ for other fault

messages.

3. Press “ ”. All fault messages are acknowledged simultaneously, the fault display will be deleted and the red fault indicator continues to flash.

5418 911 v1.6

Page 55

Troubleshooting

Diagnostics

Retrieving an acknowledged fault message

Retrieving fault codes from the fault memory (fault history)

Fault history

(continued)

1. Press “ “ for approx. 3 sec.

2. Press “⊕ / “ to select the

acknowledged fault.

The ten most recent faults are saved and can be scanned. The faults are in order of date, so the most recent fault is fault number 1.

1. Press “rw“ + “ ”

simultaneously for approx. 2 sec.

2. Press “⊕ / “ for individual fault

codes.

3. Note: All saved fault codes can be

deleted by pressing “ “.

4. Press “ ” to finish scan.

Fault codes

Fault code on display System behavior

0F Control mode Service Service the equipment.

10 Boiler operates based on

outdoor temperature of 32°F / 0°C

18 Boiler operates based on

outdoor temperature of 32°F / 0°C

20 Regulates without supply

temperature sensor (low-loss header)

28 Regulates without supply

temperature sensor (low-loss header)

30 Burner blocked Boiler water temperature

38 Burner blocked Boiler water temperature

Cause Corrective action

Outdoor temperature sensor shorted out

Outdoor temperature sensor cable broken

System supply temperature sensor shorted out

System supply temperature sensor cable broken

sensor shorted out

sensor cable broken

After the service, reset coding address “24” to”0”.

Check the outdoor temperature sensor (see page 60).

Check the low-loss header sensor (see page 60).

Check the boiler water temperature sensor (see page 60).

5418 911 v1.6

Page 56

Troubleshooting

Diagnostics

Fault codes

Fault code on display System behavior

40 Mixing valve closes Heating circuit with mixing

48 Mixing valve closes Heating circuit with mixing

50 No DHW heating Tank temperature

58 No DHW heating Tank temperature sensor

92 Control mode Collector temperature sensor

93 Control mode Collector temperature sensor

94 Control mode Collector temperature sensor

9A Control mode Collector temperature sensor

9b Control mode Tank temperature sensor

9C Control mode Tank temperature sensor

9F Control mode Solar control unit fault;

A7 Control mode (stays in

b0 Burner blocked Flue gas temperature sensor

b1 Control mode (stays in

b4 Regulates as if the outdoor

b5 Control mode

b7 Burner blocked Boiler coding card missing,

b8 Burner blocked Flue gas temperature sensor

(continued)

factory default setting)

temperature was 0°C

(factory default setting)

Cause Corrective action

valve supply temperature sensor shorted out

valve supply temperature sensor cable broken

sensor shorted out

cable broken

shorted out; connects to the Vitosolic at S1

shorted out; connects to the Vitosolic at S3

shorted out; connects to the Vitosolic at S2

cable broken; connects to the Vitosolic at S1

cable broken; connects to the Vitosolic at S3

cable broken; connects to the Vitosolic at S2

displayed if a fault without fault code occurs at the solar control unit

Faulty programming unit Replace the programming

shorted out

Communication fault; programming unit (internal)

Internal fault Replace the control unit

faulty or incorrect boiler coding card

cable broken

Check the supply temperature sensor (see page 60)

Check the sensor (see page 60)

Check the sensor at the Vitosolic solar control

Check the solar control unit (see solar control service instructions)

unit

Check flue gas temperature sensor (see page 61)

Check connections and replace programming unit if required

Plug in boiler coding card or replace if faulty

Check flue gas temperature sensor (see page 61)

5418 911 v1.6

Page 57

Troubleshooting

Diagnostics

Fault codes

Fault code on display System behavior

bA Mixing valve regulates to a

bC Control mode without remote

bd Control mode without remote

bE Control mode Vitotrol remote control

bF Control mode Incorrect LON communication

C2 Control mode Communication fault,

C5 Control mode, max. pump

C7 Control mode, max. pump

Cd Control mode

CE Control mode Communication fault-power/

CF Control mode Communication fault,

dA Control mode without room

db Control mode without room

dd Control mode without room

dE Control mode without room

E4 Burner blocked Fault, supply voltage 24V Replace the control unit

E5 Burner blocked Internal fault Check the ionization

(continued)

supply temperature of 20°C

control

speed (Not used)

(Not used)

influence

Cause Corrective action

Communication fault accessory kit for heating circuit with mixing valve

Communication fault Vitotrol remote control, heating circuit without mixing valve, A1

Communication fault, Vitotrol remote control, heating circuit with mixing valve, M2

incorrectly programmed

module

solar control unit

Communication fault, variable speed circulation pump, heating circuit connection set

Communication fault,variable speed circulation pump,heating circuit without mixing valve

Communication fault, Vitocom 100 (KM-BUS)

pump module KM-BUS connection

LON communication module

Room temperature sensor, heating circuit without mixing valve (A1) shorted out

Room temperature sensor, heating circuit with mixing valve (M2) shorted out

Room temperature sensor, heating circuit without mixing valve (A1) cable broken

Room temperature sensor, heating circuit with mixing valve (M2) cable broken

Check accessory kit connections and coding. Turn on the accessory kit

Check connections, cable, coding address ”A0” and remote control DIP switches (see page 66)

Check remote control DIP switches (see page 66)

Replace LON communication module

Check connections and coding address ”54”

Check setting of coding address ”30” Set to “0” 30:”0”

Check setting of coding address ”E5”

Check coding address ”95” and set value to 95:0

Check connections and setting of coding address”2E”

Replace LON communication module

Check the room temperature sensor, heating circuit without mixing valve (A1)

Check the room temperature sensor, heating circuit with mixing valve (M2)

Check the room temperature sensor, heating circuit A1 and the remote control DIP switch settings (see page 66)

Check the room temperature sensor, heating circuit M2 and the remote control DIP switch settings (see page 66)

electrode and cables. Check tightness of flue gas system. Press ” RESET”

5418 911 v1.6

Page 58

Troubleshooting

Diagnostics

Fault codes

Fault code on display

E8 Burner in fault mode The ionization current lies

E9 Burner in fault mode The ionization current lies

EA Burner in fault mode The ionization current lies

Eb Burner blocked Boiler control initiated a

EF Burner in fault mode Flame is lost immediately

EC Burner in fault mode The ionization current lies

Ed Burner in fault mode Internal fault Replace the control unit

F0 Burner blocked Internal fault Replace the control unit

F1 Burner in fault mode Maximum flue gas

(continued)

System behavior

Burner in fault mode At burner start, flame signal

outside the permissible range

outside the permissible range during calibration

combustion calibration but could not complete the process

is missing or too weak

after it has built (during the safety time)

outside the permissible range during calibration

temperature exceeded (230ºF / 110ºC)

Cause Corrective action

Check the ionization electrode and cable. Press ” RESET”

Check the ionization electrode and cable. Check venting system for leaks. Press ” RESET”

Check the ionization electrode and cable. Press ” RESET”

- Heat generated by boiler must be removed (boiler is cycling on temperature

limits, before calibration process is

complete)

- Check the connecting cable and the ionization electrode, check the flue gas system (flue gas recirculation)

- Verify pump operation

- Switching points of flow switch marginal (not enough flow)

- Check coding card

- Check gas valve

- Check coding address 82

- Also see address 12:__

Press ” RESET” Check the ionization electrode and cable.

Check gas supply, condensate drain, ignition and ignition module Press ” RESET”

Check gas supply, check flue gas/exhaust pipe/air intake for flue gas recirculation, check ionization electrode (replace if necessary) Press ” RESET”

Check the ionization electrode and cable. Press ” RESET”

Check heating system fill level. Bleed air from system. Press ” RESET” after vent system has cooled down

5418 911 v1.6

Page 59

Troubleshooting

Diagnostics

Fault codes

Fault code on display System behavior

F2 Burner in fault mode Fixed high limit switch

(continued)

open (activated)

Cause Corrective action

Check heating system fill level. Check the circulation pump. Bleed air from the system. Check fixed high limit switch and connecting cables. Press ” RESET”

F3 Burner in fault mode Flame signal already

present at burner start

Check the ionization electrode and connecting cable. Press ” RESET”

F4 Burner in fault mode No flame signal Check the ionization electrode and

cable, measure the ionization current, check the gas pressure, check the gas valve, ignition, ignition module, ignition electrodes and the condensate drain. Press ” RESET”

F8 Burner in fault mode Gas valve closes too late

F9 Burner in fault mode Fan speed too low during

burner start

Check the gas valve. Check both control wiring/connections. Press RESET.

Check the fan, the fan cables and power supply. Check the fan control. Press RESET

FA Burner in fault mode Fan not at standstill Check the fan, the fan connecting

cables and fan control. Check the fan control. Press ” RESET”

FC Burner in fault mode Gas valve faulty or faulty

modulation valve control; or vent system blocked

Check the gas valve. Check the vent system. Press ” RESET”

Fd Burner in fault mode Burner control unit fault Check ignition electrodes and

connecting cables. Check whether a strong interference (EMC) field exists near the equipment. Press RESET. Replace control unit if fault persists

FE Burner blocked or in

fault mode

FF Burner blocked or in

fault mode

No fault code displayed

Control mode: Boiler/burner fully operational (fault code must be verified and reset). Burner in fault mode: Boiler control requires manual reset before burner can resume operation. Burner blocked: If fault cause is corrected, burner resumes operation.

Boiler/burner in standstill

Strong interference (EMC) field nearby or faulty main PCB.

Restart the equipment. Replace the control unit if the equipment will not restart

Flow switch open Check pump operation and flow switch

5418 911 v1.6

Page 60

Troubleshooting

Corrective Action

Check outdoor temperature sensor

Fig. 20

600

580

560

540

520

500

480

1. Pull plug ”X3” from the control unit.

2. Test the resistance of the outdoor

temperature sensor across terminals ”X3.1” and ”X3.2” on the disconnected plug and compare it with the curve.

3. Where actual values strongly deviate from the curve values, disconnect the wires at the sensor and repeat

460

440

test immediately at the sensor.

4. Depending on result, replace the

420

400

Resistance in Ohms

-40 -22 -04 +50+68+86

-40 -10 0 +10+20+30-30 -20

+14

Outdoor temperature in ºF

Outdoor temperature in ºC

+32

cable or the outdoor temperature sensor.

Check boiler temperature sensor, tank temperature sensor or supply temperature sensor of the low-loss header

1. Boiler temperature sensor:

Pull cables from boiler water temperature sensor A and check resistance.

Fig. 21

DHW Tank temperature sensor:

Pull plug % from the cable harness at the control unit and check resistance.

Supply temperature sensor:

Pull plug ”X3” from the control unit and check the resistance across terminals ”X3.4” and ”X3.5”.

Continued...

5418 911 v1.6

Page 61

Troubleshooting

Corrective Action

8 6

0.8

0.6

0.4

0.2

Resistance in k Ohms

50 86 122 158 194 230

68 104 140 176 212 248

Boiler water temperature in ºF

10 30 50

20 40 60

Boiler water temperature in ºC

70 90 110

80 100 120

(continued)

Check boiler temperature sensor, tank temperature sensor or supply temperature sensor of the low-loss header (continued)

2. Check the sensor resistance and

compare the actual values with the curve in the chart.

WARNING

The boiler temperature sensor is immersed in the heating water (risk

3. If the value measured differs

significantly, replace sensor.

of scalding). Drain the boiler before replacing the sensor.

Fig. 22

Check flue gas temperature sensor

When exceeding the maximum permissible flue gas temperature value, the flue gas temperature sensor locks the appliance. Unlock the appliance by pressing “ RESET” after the vent system has cooled down.

8 6

1. Remove cables from flue gas

temperature sensor A.

2. Check the sensor resistance and compare the actual values with the curve in the chart.

3. Replace sensor in case of severe

0.8

deviation.

0.6

0.4

Resistance in k Ohms

50 86 122 158 194230

Temperature in ºF

10 30 50 70 90 110

Temperature in ºC

5418 911 v1.6

Page 62

Troubleshooting

Corrective Action

Fig. 23

(continued)

Check fixed high limit

Check the fixed high limit, if the burner control cannot be reset after a fault shutdown, although the boiler water temp. is below approx. 75°C / 167°F:

1. Remove cables from the fixed high

limit A.

2. Check the continuity of the fixed high limit with a multimeter.

3. Remove and replace a defective fixed high limit.

4. After starting up the boiler, press “ RESET” on the boiler control.

Fig. 24

Check fuse

Check fuses in the power/pump module

1. Switch OFF the power.

2. Release side latches and

pivot the control unit down.

3. Remove cover A.

4. Check fuse F1 (see wiring diagram).

1. Switch OFF the power.

2. Open power/pump module and

check fuses F1 and F2 (see wiring diagram).

5418 911 v1.6

Page 63

Troubleshooting

Corrective Action

Fig. 25

(continued)

Check accessory kit for heating circuit with mixing valve

Checking the rotational direction of the mixing valve motor:

1. Switch ON/OFF switch A at the

accessory kit first OFF and then ON again. The device will perform the following self-check:

H Mixing valve ”Close” (150 sec.) H Pump ”ON” (10 sec.) H Mixing valve ”Open” (10 sec.) H Mixing valve ”Close” (10 sec.)

Then standard control mode resumes.

2. Note the rotational direction of the mixing valve motor during its self-check. Then set the mixing valve manually to ”Open” again.

Changing the rotational direction of the mixing valve motor (if required):

IMPORTANT

The supply temperature sensor must now read a higher temperature. If the temperature drops, either the motor is turning in the wrong direction or the mixing valve set is installed incorrectly.

Installation Instructions Mixing Valve

Fig. 26

A ON/OFF switch B Rotational direction switch

1. Remove the lower and upper housing of the accessory kit.

Installation Instructions Mixing Valve Accessory Kit

2. Change the rotational direction switch:

Switch position I for system return from the left (factory default setting).

Switch position II for system return from the right.

5418 911 v1.6

Page 64

Additional Information

Control Functions

External heating program changeover

The ”External heating program changeover” function is connected via input ”aVD” in the power/pump module. You can select which heating circuits the heating program changeover affects in coding address ”91”:

Heating program changeover Coding

No changeover 91:0

Heating circuit without mixing valve Heating circuit with mixing valve Heating circuit without mixing valve and heating circuit with mixing valve

You can select which direction the heating program changeover takes in coding address ”d5”:

Heating program changeover Coding

Changeover towards ”Permanently reduced” or ”Permanent standby” mode (based on the selected setpoint)

Changeover towards ”Constant heating mode” d5:1

91:1 91:2 91:3

d5:0

External blocking

External heat demand

The duration of the heating program changeover can be adjusted in coding address ”F2”:

Heating program changeover Coding

No changeover F2:0

Duration of the heating program changeover 1 to 12 hours F2:1 to F2:12

The heating program changeover stays enabled for as long as the contact remains closed, but at least as long as the duration selected in coding address ”F2”.

The ”External blocking” function is connected via input ”aVD” in the power/pump module. In coding address ”32”, you can select the influence the ”External blocking” signal should have on the connected circulation pumps.

The ”External heat demand” function is connected via input ”aVD” in the power/pump module. In coding address ”34” you can select the influence the ”External heat demand” signal should have on the connected circulation pumps. The minimum boiler water setpoint temperature in case of an external heat demand is selected in coding address ”9b”.

5418 911 v1.6

Page 65

Additional Information

Control Functions

(continued)

Air bleed program

Fill program

Raising the reduced room temperature

90/194

80/176

70/158

60/140

Supply temperature in ºC / ºF

50/122

40/104

35 95

30 86

25 77

30/86

20 68

15 59

10 50

5410

During the air bleed program, the circulation pump will be alternately switched ON and OFF for 30 sec. at a time over a period of 20 min. The burner is switched OFF during the air bleed program. The program is activated via code ”2F:1” and automatically disabled after 20 min. Coding address ”2F” is reset to ”0”.

If the system is to be filled with the control unit switched ON, code ”2F:2” starts the pump. The burner shuts down if this function is enabled via coding address ”2F”. The program is automatically disabled after 20 min., and coding address ”2F” is reset to ”0”.

During operation with reduced room temperature, the reduced room setpoint temperature can be automatically raised based on the outdoor temperature. The temperature is raised in accordance with the selected heating

curve, but no higher than the standard room temperature setpoint. The outdoor temperature limits for the start and end of the temperature raising can

be adjusted via coding addresses ”F8” and ”F9”.

-5 23

-10 14

Outdoor temperature in ºC / ºF

-15

-20

-4

Fig. 27 Example (using factory default settings)

A Heating curve for operation with standard

room temperature

B Heating curve for operation with reduced

room temperature

5418 911 v1.6

Page 66

Additional Information

Control Functions

Reducing the heat-up time

(continued)

During the transition from operation with reduced room temperature to operation with standard room temperature, the boiler water or supply temperature will be raised in accordance with the selected heating curve. The boiler water or supply temperature can be automatically increased. The value and duration of the additional increase of the set boiler water temperature or supply temperature can be adjusted in coding addresses ”FA” and ”Fb”.

°C

3030

Boiler / Supply Water

Fig. 28 Example (using factory default settings)

A Start of operation with standard room

temperature

B Boiler water / supply temperature

based on selected heating curve

C Boiler water / supply temperature

based on coding address ”FA”: 50°C + 20 % = 60°C

D Duration of operation with raised

boiler water / supply temperature based on coding address ”Fb”: 60 min.

Remote control (Vitotrol 300) DIP switch settings

Refer to Operating Instructions Vitotrol 300 Remote Control

The DIP switches are located on the PCB in the top part of the housing.

Remote control DIP switch setting

The remote control affects the heating circuit without mixing valve (A1)

Setpoint Temperature in

Time in hr.

3 4

The remote control affects the heating circuit with mixing valve (M2)

When connecting a separate room temperature sensor, set DIP switch ”3” to ”ON”.

3 4

5418 911 v1.6

Page 67

Burner Program Sequence of Operation

Additional Information

Stand-still status test

(blower)

Normal <1s Max.<51s

Pre-purge speed test

Normal <1s Max.<51s

Call for heat

Water-flow

closed

switch

Ignition

Combination

gas valve

Flame signal

Fan speed

Fan control

Modulation set point

Phase

Sequence time

Stand by

Phase 0: Stand-by

Complete shutdown until the next call for heat. In this phase both the combination gas valve and the blower are not energized.

Phase 1: Stand-still status test (blower)

A call for heat initiates internal blower sensory communications to confirm that the blower is truly in stand-still position. Blower speed measured must be < 300 rpm within a 51 second period.

Phase 2: Pre-purge speed test

Controller sends and receives signal to / from fan speed controller to verify maximum rpm of the blower.

Phase 3: Pre-purge

Pre-purge cycle starts within the pre-programmed timing. Pre-purge timing is in addition to previous phase (2). The fan speed must be greater than and within the range of rpm requested by the controller.

Ignition / safety timing / flame stabilization

4.5s

Pre-purge

2 3

0.1s 0.4s

Pre-ignition

Phase 4: Pre-ignition

The ignition spark is initiated and controlled.

Phase 5: Ignition / safety timing / flame

stabilization

The gas valve opens during the safety timing period (4.5 secs.). If a flame is detected, this phase ends immediately in < 1.5 secs. If the flame is not established after 3 trials, the burner will lock out and will require a manual reset. Controller required time for flame stabilization.

Phase 6: Burner modulation operation

or calibration

At the end of the flame stabilization period (4.5 sec.), a release for modulation occurs and the burner temperature controller will take over from the flame safeguard. Forced shutdown after 24 hours continuous operation. Automatic calibration may be initiated by the controller.

Transition

Additional Post-purge (if initiated)

0.15s

Burner modulation

or calibration

Combination

gas valve proof and closure test

Normal <3s Max.<15s Max.<15s

Modulation range

Post-purge speed test

Normal <3s

Phase 7: Combination gas valve proof

of closure test

If during the normal operation of the burner a controlled (or uncontrolled) shut-down occurs, a complete mechanical and electrical gas valve proof of closure test will be performed by the flame safeguard. After a successful mechanical and electrical proof of closure test, the flame safeguard will expect that the flame is not present. If, however, the flame existed for a period of >15 seconds, the flame safeguard will go into permanent lock-out.

Phase 8: Post-purge speed test

Both gas valves are closed during this phase. End call for heat. Post-purge occurs during the programmed period.

Phase 9: Additional post-purge

If the fixed high limit trips during normal operation, the blower will purge for 15 minutes to cool the heat exchanger.

5418 911 v1.6

Page 68

Additional Information

Wiring Diagram

X8.4

X8.3

X8.2

X9.11

X9.10

GC130 BURNER IGNITION MODULE

X8.1

X9.8

X9.9

X2.2

X2.1

INTERNAL CONNECTIONS

99 C

210 F

X8.15 PWM

X8.13 HALL

X8.9

X8.8

X6.1

X8.12 GND

X8.1

X8.10

X8.11

X9.1

X9.3

X9.4

LON

KMK1

KMK2

WARNING! DISCONNECT POWER BEFORE SERVICING BOILER.

CAUTION! LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICI NG CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION. VERIFY PROPER OPERATION AFTER SERVICING.

IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REP LACED IT MUST BE REPLACED WITH ITS EQUIVALENT.

ONLY ONE FUNCTION/ACCESSORY MAY BE ASSIGNED TO EACH CONNECTION.

MAIN POWER SUPPLY

120V, 6 0HZ, 12A

N G

MAIN DISCONNECT

L2 L1 P1 P2

-- TYPICAL

SAFETY DEVICE

LOW WATER CUT --OFF

SWITCH

120VAC WALL RECEPTACLE

120--230V

--X1

3xAWG16

240VAC

61GWAx4

CAV032

PCB

24VDC

POWER PUMP MODULE

300VA

WH GN BK RD

L1G

JUMPER

--5% +5%

T3.5A

A21T

NGL

40 20A 21 20 50 28

GN L

DHW PUMP

120VAC

BOILER

PUMP

FAULTALARM

120VAC

SYSTEM

PUMP

120VAC

K1K2K3 K4

24VDC

24VDC24VDC

LGNL

120VAC

OUTPUT

LATOT.xamA8CAV021:STUPTUO

120VAC

DHW

RE--CIRC.

PUMP

FIELD CONNECTIONS

1 2 3 4 5 6 7

KM--BUS

Accessories

144143

EXTERNAL

DEMAND SEE

1 2 3

EXTERNAL

0--10V

SIGNAL

143

-- +

145

1 2

BLBN

2 3

Conduit

sub--MK

See legend for this wiring diagram on next page.

5418 911 v1.6

Page 69

Additional Information

Wiring Diagram

(continued)

Legend

Outside Temperature Sensor

Flow Temperature Sensor/Low Loss Header

Boiler Water Temperature Sensor

DHW Temperature Sensor

Ionization Electrode

Flue Gas Temperature Sensor

Boiler Pump

20A

System Pump

DHW Pump

DHW Re--circulation Pump

Flow Switch

Gas Valve

Power Supply

Fixed High Limit

Fault Alarm Output

Ignition Transformer

Power Supply Accessory (Not Used)

Fan Motor

Fan Motor Control

143

External Blocking Terminals 2--3 External Demand Terminals 1--2

External Heating Program Changeover Terminals 1--2 The Allocation of the Function ”External Heating Program Changeover” is Set Via Coding Address ’91’

144

External 0-- 10V Signal

KM BUS to PPM/Accessories

Gas Modulation Coil

A1 Main PCB (GC130 Ignition Module)

A2 Internal Power Supply Unit

A3 Optolink

A4 Burner Control Unit

A5 Programming Unit

A6 Coding Card

A7 Connection Adapter

A8 LON/Cascade Communication Module

S1 ON/OFF Switch

S2 Reset Button

X.. Electrical Interfaces

BK BLACK WH WHITE G GREEN RD RED GY GREEN/YELLOW BN BROWN BL BLUE

5418 911 v1.6

Page 70

Additional Information

Parts Lists

Ordering Replacement Parts:

Please provide model no. from rating plate and serial no. when ordering replacement parts. Order replacement components from your Viessmann distributor.

Parts

019 Gas connection pipe 028 Front panel 029 Mounting clip

(set of 2) 050 Burner gasket, 187 x 5.5mm 051 Combustion chamber door

refractory 052 Burner tube 053 Gasket for burner tube 054 Ignition electrode with gasket 055 Ionization electrode with gasket 058 Gasket for radial fan 059 Radial fan NRG118 with gaskets 061 Gas valve CES with gaskets 062 Burner mounting flange assembly

with gaskets 063 Ignition transformer, BW12126-00 070 Electrode block gasket 071 Ignition electrode gasket 072 Gasket set for gas connection pipe 073 Fixed orifice, NG+LPG 074 Venturi extension with gasket

Other Parts (not illustrated) 202 Touch-up spray paint ”Vitowhite” 203 Touch-up paint stick ”Vitowhite”

CSA Rating Plate

063

054

071

070

029

028

050

051

052

053

062

051

019

055

074

058

061

059

073

072

5418 911 v1.6

Page 71

Additional Information

Parts Lists

(continued)

Parts

001 Air vent w shut-off base, 3/8”

002 Heating supply connection pipe

for heat exchanger

003 Heating supply connection pipe

extension

004 Heating return connection pipe

for heat exchanger

005 Heating return connection pipe

extension 006 Heat exchanger assembly, ASME 007 Flue gas gasket 009 Condensate pipe 010 Condensate hose 011 Condensate hose 012 Test port cap

(set of 2) 013 Vent pipe adaptor 60/100 014 Air intake cover 015 Air intake gasket, DN60 016 Air intake cap 017 Sealing grommet, DN60 018 Combustion chamber refractory 020 Fastener set for return pipe 021 Clip d=8

(set of 5) 022 Connector retaining clip

(set of 2) 023 Sealing grommet set 024 O-Ring set

for heat exchanger, 21x3mm 025 O-Ring set

for supply/return, 18x3mm 026 Support bracket set

for heat exchanger 027 Spring clip set 030 Wall-mount bracket assembly 151 Flue gas temperature sensor 152 Fixed high limit, 210ºF / 99ºC 153 Boiler temperature sensor 154 Flow switch, VK315M

ASME Rating Plate

Boiler Serial No.

002

022

025

003

153

152

021

024

154

010

006

016

017

024

007

026

022

004

001

012

025

005

151

030

014

015

013

016

017

023

027

5418 911 v1.6

009

018

020

011

Page 72

Additional Information

Parts Lists

(continued)

Parts

008 Pressure gage, PSI 080 Control console 081 Back cover, control console 082 Fastening clip

(set of 10)

083 Control housing, bottom 084 Flip-down cover 085 Pressure gage insert 086 Clip for control housing,

(set of 10)

087 Hinges for control housing

(set of 10)

089 Fuse, 6.3A/250V

(set of 10)

091 Vitotronic 200 H01 093 LON communication module H01

with LON module adaptor (Pos. 094)

094 Circuit board

(LON module adaptor)

095 Fuse holder 098 Coding plug for 0-5000ft. 099 Coding plug for 5000-10000ft. 150 Outdoor temperature sensor

082

080

008

085

081

093

094

098 099

095

Other Parts (not illustrated) 400 Installation fittings 410 Power/pump module

430 Technical Literature Set 431 LPG conversion labels 432 Installation Instructions 433 Service Instructions 434 Operating Instructions

and User’s Information Manual

436 Installation Instructions

for Venting System

437 Warranty Sheet 438 Parts List, Installation Fittings

See separate Parts List for installation fittings.

See separate Parts List for power/pump module.

091

086

084

089

150

082

087

083

086

087

5418 911 v1.6

Page 73

Additional Information

Maintenance Record

Setpoint value

max

14 “w.c.

4-14 ”w.c.

11-14 “w.c

50 ppm air-free*

min. 5 A

Service

date:

by:

Service

date:

by:

Service

date:

by:

Service

date:

by:

Service

date:

by:

Service date:

by:

“w.c.

vol.-%

ppm

A

Measurement

Static pressure

unning pressure (supply pressure)

j Natural gas

j LPG

j Check gas type

Carbon dioxide content CO

H at lower end of ratedinputrange

H at upper end of ratedinputrange

Oxygen content O

at lower end of ratedinputrange

at upper end of ratedinput range

Carbon monoxide content CO

at lower end of ratedinput range

at upper end of ratedinput range

Ionization current

*Fuel type, altitude, venting and

other site parameters may chang

CO to higher or lower readings. Max. CO limit to ANSI standards requirement is 400 PPM.

5418 911 v1.6

Page 74

Additional Information

Technical Data

Boiler Model Model No. WB2B- 19 26 35

Natural gas / Liquid propane gas

CSA input

CSA output/DOE

heating capacity

Net I=B=R rating

Heat exchanger surface area ft.

Min. gas supply pressure

Natural gas Liquid propane gas

Max. gas supply pressure

Natural gas Liquid propane gas

A.F.U.E. % 96.1 96.1 96.1

CSA thermal efficiency ANSI Z21.13/CSA 4.9 %

Weight lbs

Boiler water content USG

Boiler max. flow rate

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 NPTM “ Pressure relief valve NPTF “ Drain valve (male

thread)

MBH kW MBH kW

31-67

9-20

28-61

8-18

31-93

9-27

28-85

8-25

31-125

9-37

28-114

8-33

MBH 53 74 99

“w.c. “w.c.

ltr

GPM ltr/h

psig bar

ºF/ ºC ºF/ ºC ºF/ºC

10.23

0.95

14 14

102

0.87

3.3

6.2

1400

¾ ¾ ¾

10.23

0.95

14 14

102

0.87

3.3

6.2

1400

10.23

0.95

14 14

102

0.87

3.3

6.2

1400

68 to 165 /

20 to 74

165 /

210/99

¾ ¾ ¾

Boiler supply/return for indirect-fired DHW storage tank NPT” (field supplied) Gas valve connection, NPTF

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

Net I=B=R rating based on piping and pick-up allowance of 1.15.

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.

See section “Typical System Flow Rates” in the Vitodens 200-W, WB2B Installation Instructions.

5418 911 v1.6

Page 75

Additional Information

Technical Data

(continued)

Boiler Model Model No. WB2B- 19 26 35

Dimensions

Overall depth

Overall width

Overall height

Height with flue gas elbow (accessory)

Flue gas

inches mm inches mm inches mm inches mm

360

17¾

450

33½

850

1116

360

17¾

450

33½

850

1116

360

17¾

450

33½

850

1116

Temperature (at boiler return temperature of 86ºF / 30ºC) – at rated full load – at rated partial load

Temperature (at boiler return temperature of 140ºF /

ºF/ºC ºF/ºC

ºF/ºC

113/45

95/35

154/68

113/45

95/35

158/70

113/45

95/35

158/70

60ºC)

Average condensate flow rate

with natural gas and – TS/TR=104/86ºF / 40/30ºC USG/day

ltr/day

Condensate connection

hose nozzle

2.6-3.4 10- 12

2.9-3.4 11- 13

4-4.5

15- 17

∅ in

1 1 1

∅

in/mm

/60 2

/60

outer ∅ in/mm 4/100 4/100 4/100

Boiler flue gas connection

Combustion air supply connection (coaxial)

Measured flue gas temperature with a combustion air temperature of 68°F / 20°C.

Based on typical boiler cycles, including partial load conditions.

Requires 1” / 25 mm tubing. See Vitodens 200-W, WB2B Installation Instructions for details.

For side wall vent installations (coaxial system):

Do not exceed max. equivalent length specified in the Installation Instructions of the Vitodens 200-W, WB2B Venting System. A maximum of five elbows may be installed in the vent system. Do not attempt to common-vent Vitodens 200-W, WB2B with any other appliance. Venting material to be supplied by Viessmann only; side wall vent installation must include Viessmann protective screen! For details refer to the Installation Instructions for the Vitodens 200-W, WB2B Venting System.

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

5418 911 v1.6

Page 76

Additional Information

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.

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 fire department.

OPERATING INSTRUCTIONS

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

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

3. Turn off all electric power to the appliance.

4. This device 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 or explosion.

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.

5. Close main gas shutoff 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 shutoff valve.

8. Turn on all electric power to the appliance.

Manual gas shutoff

Closed

Open

TO TURN OFF GAS TO BOILER

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 shutoff valve.

9. Set thermostat or other operating control to desired 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.

5418 911 v1.6

Page 77

5418 911 v1.6

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5418 911 v1.6

Page 79

5418 911 v1.6

Page 80

5418 911 v1.6

Printed on environmentally friendly

(recycled and recyclable) paper.

Technical information subject to change without notice.

5418 911 v1.6

Viessmann Vitodens 200-W WB2B 80, VITODENS 200-W WB2B Series, Vitodens 200-W, Vitodens 200-W WB2B 105, WB2B-19 Start-up/service Instructions

Specifications and Main Features

Frequently Asked Questions

User Manual