Viessmann Vitodens 200-W System Guida rapida

Installation and service

instructions

for contractors

VIESMANN

Vitodens 200-W

Type B2HA, B2KA, 3.2 to 35 kW

Gas council no.

■ System boilers:

41-819-32; 41-819-33; 41-819-34; 41-819-35

■ Combi boilers:

47-819-28; 47-819-29; 47-819-30

For applicability, see the last page

VITODENS 200-W

5772 909 GB 11/2012 Please keep safe.

Please follow these safety instructions closely to prevent accidents and mate-

rial losses.

Safety instructions explained

Danger

This symbol warns against the

risk of injury.

!Please note

This symbol warns against the

risk of material losses and envi-

ronmental pollution.

Note

Details identified by the word "Note" con-

tain additional information.

Target group

These instructions are exclusively inten-

ded for qualified contractors.

■ Work on gas installations must only be

carried out by a registered gas fitter.

■ Work on electrical equipment must

only be carried out by a qualified elec-

trician.

■ The system must be commissioned by

the system installer or a qualified per-

son authorised by the installer.

Regulations

Observe the following when working on

this system:

■ Statutory regulations regarding the

prevention of accidents

■ Statutory regulations regarding envi-

ronmental protection

■ Codes of practice of the relevant trade

associations

■ All current safety regulations as

defined by DIN, EN, DVGW, TRGI,

TRF, VDE and all locally applicable

standards

■ Gas Safety (Installation & Use) Regu-

lations

– the appropriate Building Regulation

either the Building regulations, the

Building Regulation (Scotland), Build-

ing Regulations (Northern Ireland),

– the Water Fittings Regulation or

Water Bylaws in Scotland,

– the current I.E.E. Wiring Regula-

tions.

If you smell gas

Danger

Escaping gas can lead to explo-

sions which may result in serious

injury.

■ Do not smoke. Prevent naked

flames and sparks. Do not

switch lights or electrical appli-

ances on or off.

■ Close the gas shut-off valve.

■ Open windows and doors.

■ Evacuate any people from the

danger zone.

■ Notify your gas or electricity

supply utility from outside the

building.

■ Shut off the electricity supply to

the building from a safe place

(outside the building).

Safety instructions

5772 909 GB

If you smell flue gas

Danger

Flue gas can lead to life-threat-

ening poisoning.

■ Shut down the heating system.

■ Ventilate the installation site.

■ Close all doors in the living

space.

Flue systems and combustion air

Ensure that flue systems are clear and

cannot be sealed, for instance due to

accumulation of condensate or other

causes. Ensure a sufficient supply of

combustion air.

Instruct system users that subsequent

modifications to the building characteris-

tics are not permissible (e.g. cable/pipe-

work routing, cladding or partitions).

Danger

Life-threatening poisoning

caused by carbon monoxide in

the flue gas occurs as a result of

leaking or blocked flue systems

or an insufficient supply of com-

bustion air.

Ensure the flue system is in

proper working order. It must not

be possible to close apertures for

interconnected combustion air

supply.

Extractors

Operating appliances that extract air to

the outside (cooker hoods, extractors, air

conditioning units, etc.) can create neg-

ative pressure. If the boiler is operated at

the same time, this can lead to reverse

flow of the flue gas.

Danger

The simultaneous operation of

the boiler and appliances that

extract air to the outside can

result in life threatening poison-

ing due to reverse flow of the flue

gas.

Fit an interlock circuit or take suit-

able steps to ensure a sufficient

supply of combustion air.

Working on the system

■ Where gas is used as the fuel, close

the main gas shut-off valve and safe-

guard it against unintentional reopen-

ing.

■ Isolate the system from the power sup-

ply (e.g. by removing the separate fuse

or by means of a mains isolator) and

check that it is no longer 'live'.

■ Safeguard the system against recon-

nection.

!Please note

Electronic assemblies can be

damaged by electrostatic dis-

charge.

Prior to commencing any work,

touch earthed objects, such as

heating or water pipes to dis-

charge static loads.

Repair work

!Please note

Repairing components that fulfil a

safety function can compromise

the safe operation of your sys-

tem.

Defective components must be

replaced with genuine

Viessmann spare parts.

Safety instructions

Safety instructions (cont.)

5772 909 GB

Auxiliary components, spare and

wearing parts

!Please note

Spare and wearing parts that

have not been tested together

with the system can compromise

its function. Installing non-author-

ised components and making

non-approved modifications or

conversions can compromise

safety and may invalidate our

warranty.

For replacements, use only orig-

inal spare parts supplied or

approved by Viessmann.

Safety instructions

Safety instructions (cont.)

5772 909 GB

Installation instructions

Preparing for installation

Intended use......................................................................................................... 7

Product information.............................................................................................. 7

Preparing for installation....................................................................................... 8

Installation sequence

Fitting the boiler and making connections............................................................ 11

Flue gas connection............................................................................................. 12

Condensate connection........................................................................................ 13

Gas connection.................................................................................................... 14

Opening the control unit casing............................................................................ 15

Electrical connections........................................................................................... 16

Closing the control unit casing and inserting the programming unit..................... 25

Fitting the front panel............................................................................................ 26

Service instructions

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance.......................................... 27

Further details regarding the individual steps....................................................... 29

Code 1

Calling up coding level 1...................................................................................... 60

"General"/group 1................................................................................................. 61

"Boiler"/group 2.................................................................................................... 64

"DHW"/group 3..................................................................................................... 64

"Solar"/group 4..................................................................................................... 65

"Heating circuit ..."/group 5................................................................................... 67

Code 2

Calling up coding level 2...................................................................................... 73

"General"/group 1................................................................................................. 74

"Boiler"/group 2.................................................................................................... 82

"DHW"/group 3..................................................................................................... 84

"Solar"/group 4..................................................................................................... 86

"Heating circuit ..."/group 5................................................................................... 91

Diagnosis and service scans

Service level......................................................................................................... 100

Diagnosis.............................................................................................................. 101

Checking outputs (actuator test).......................................................................... 107

Index

5772 909 GB

Troubleshooting

Fault display......................................................................................................... 110

Fault codes........................................................................................................... 112

Repairs................................................................................................................. 129

Function description

Constant temperature control unit........................................................................ 139

Weather-compensated control unit...................................................................... 140

Internal extensions (accessories)......................................................................... 142

External extensions (accessories)........................................................................ 144

Control functions.................................................................................................. 148

Allocating heating circuits to the remote control................................................... 156

Electronic combustion control unit........................................................................ 156

Designs

Connection and wiring diagram – Internal connections ...................................... 158

Connection and wiring diagram – External connections...................................... 160

Parts lists

Ordering individual parts...................................................................................... 162

Overview of the assemblies................................................................................. 163

Casing.................................................................................................................. 164

Heat cell............................................................................................................... 165

Burner................................................................................................................... 168

Hydraulics type B2HA.......................................................................................... 169

Hydraulics type B2KA........................................................................................... 172

Control unit........................................................................................................... 176

Miscellaneous....................................................................................................... 177

Commissioning/service reports........................................................................ 179

Specification....................................................................................................... 180

Certificates

Declaration of conformity...................................................................................... 182

Manufacturer's certificate according to the 1st BImSchV [Germany]................... 182

Keyword index.................................................................................................... 183

Index

Index (cont.)

5772 909 GB

The appliance is only intended to be

installed and operated in sealed unven-

ted heating systems that comply with

EN 12828, with due attention paid to the

associated installation, service and

operating instructions. It is only designed

for the heating of water that is of potable

water quality.

Intended usage presupposes that a fixed

installation in conjunction with permissi-

ble, system-specific components has

been carried out.

Commercial or industrial usage for a pur-

pose other than heating the building or

DHW does not comply with regulations.

Any usage beyond this must be

approved by the manufacturer for the

individual case.

Incorrect usage or operation of the appli-

ance (e.g. the appliance being opened

by the system user) is prohibited and

results in an exclusion of liability. Incor-

rect usage also occurs if the components

in the heating system are modified from

their intended function (e.g. if the flue

gas and ventilation air paths are

sealed).

Product information

Vitodens 200-W, type B2HA, B2KA

Set up for operation with natural gas E.

For conversion to LPG P (without con-

version kit), see "Commissioning,

inspection, maintenance".

In principle the Vitodens 200-W may only

be delivered to countries listed on the

type plate. For deliveries to alternative

countries, an approved contractor must

arrange individual approval on his own

initiative and in accordance with the law

of the country in question.

Preparing for installation

Intended use

5772 909 GB

Installation

!Please note

To prevent equipment damage,

connect all pipework free of load

and torque stress.

360

450

730

1925 H

850

100 215

A B C D EF K

AHeating flow Rp¾

BDHW Rp½ (combi boilers)

Cylinder flow G¾ (system boiler)

CGas connection

DCold water Rp½ (combi boilers)

Cylinder return G¾ (system boiler)

EHeating return Rp¾

FFilling/draining

GWiring area

HMin. clearances below the boiler

KCondensate drain

Preparing for installation

5772 909 GB

Rated heating output

Dim. a

3.2 - 19.0 136

6.5 - 26.0 158

8.8 - 35.0 158

Note

This boiler (IP rating: IP X4D) is

approved for installation in wet rooms

inside safety zone 1 in accordance with

IEEE Wiring Regulations, providing the

occurrence of hosed water can be ruled

out.

Observe the IEEE Wiring Regulations.

1. Fit the supplied pre-plumbing jig or

mounting frame at the installation

location.

Pre-plumbing jig or mounting

frame installation instruc-

tions.

2. Prepare the connections on the water

side to the valves on the pre-plumb-

ing jig or mounting frame.

Thoroughly flush the heating sys-

tem.

3. Prepare the gas connection accord-

ing to TRGI or TRF [or local regula-

tions].

4. Prepare the electrical connections.

■Power cable: NYM-J 3 x 1.5 mm2,

fuse max. 16 A, 230 V, 50 Hz.

■ Accessory cables: NYM with the

required number of conductors for

the external connections.

■ All cables should protrude

1200 mm from the wall near "G".

Cold water installation

ACold water connection, boiler

BDrain

CVisible discharge pipe outlet point

DSafety valve

ENon-return valve

FShut-off valve

GCold water

HSafety assembly

Safety assembly H must be installed as

per the Water Regulation Guide if the

mains water supply pressure exceeds

10 bar, and no DHW pressure reducing

valve is installed.

Only use a non-return valve or a com-

bined shut-off and non-return valve in

conjunction with a safety valve.

If the safety valve is used, the cold water

shut-off valve on the boiler must not be

shut off.

Preparing for installation

Preparing for installation (cont.)

5772 909 GB

Installation

Remove the toggle on the cold water

shut-off valve (if installed) to prevent

anyone shutting it off manually.

Shock arrestor

If draw-off points that could cause pres-

sure peaks (water hammer/shock) are

connected to the same pipework as the

boiler (such as pressure washers, wash-

ing machines or dishwashers), we would

recommend the installation of a shock

arrestor near the source of such pres-

sure shocks.

g: Fit a small domestic expansion ves-

sel if water hammer occurs.

Preparing for installation

Preparing for installation (cont.)

5772 909 GB

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