Viessmann Vitodens 200-W System Guida rapida

Installation and service

instructions

for contractors

VIESMANN

Vitodens 200-W

Type B2HA, 125 and 150 kW

Wall mounted gas condensing boiler

Natural gas and LPG version

For applicability, see the last page

VITODENS 200-W

5623 520 GB 6/2012 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

designed for qualified personnel.

■ Work on gas equipment must only be

carried out by a qualified 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

■ all legal instructions regarding the pre-

vention of accidents,

■ all legal instructions regarding envi-

ronmental protection,

■ the Code of Practice of 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),

Building Regulations (Northern Ire-

land),

– 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.

■ Never smoke. Prevent naked

flames and sparks. Never

switch lights or electrical appli-

ances ON or OFF.

■ Close the gas shut-off valve.

■ Open windows and doors.

■ Remove all people from the

danger zone.

■ Notify your gas or electricity

supplier from outside the build-

ing.

■ Shut off the electricity supply to

the building from a safe place

(outside the building).

Safety instructions

5623 520 GB

If you smell flue gas

Danger

Flue gas can lead to life-threat-

ening poisoning.

■ Shut down the heating system.

■ Ventilate the boiler room.

■ Close all doors leading to the

living space.

Working on the system

■ When using gas as fuel, also close the

main gas shut-off valve and safeguard

against unauthorised reopening.

■ Isolate the system from the power sup-

ply and check that it is no longer 'live',

e.g. by removing a separate fuse or by

means of a main isolator.

■ Safeguard the system against unau-

thorised reconnection.

!Please note

Electronic modules can be dam-

aged by electro-static dis-

charges.

Touch earthed objects, such as

heating or water pipes, to dis-

charge static loads.

Repair work

!Please note

Repairing components which ful-

fil a safety function can compro-

mise the safe operation of your

heating system.

Replace faulty components only

with original Viessmann spare

parts.

Ancillary components, spare and

wearing parts

!Please note

Spare and wearing parts which

have not been tested together

with the heating system can com-

promise its function. Installing

non-authorised components and

non-approved modifications/con-

version can compromise safety

and may invalidate our warranty.

For replacements, use only orig-

inal spare parts from Viessmann

or those which are approved by

Viessmann.

Safety instructions

Safety instructions (cont.)

5623 520 GB

Installation instructions

Preparing for installation

Product information.............................................................................................. 6

Preparing for installation....................................................................................... 7

Installation sequence

Fitting the boiler and making connections............................................................ 9

Heating water side connection............................................................................. 13

Flue gas connection............................................................................................. 13

Condensate connection........................................................................................ 14

Gas connection.................................................................................................... 15

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

Electrical connections........................................................................................... 17

Closing the control unit casing and inserting the programming unit..................... 27

Service instructions

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance.......................................... 28

Further details regarding the individual steps....................................................... 30

Code 1

Calling up coding level 1...................................................................................... 66

General/group "1"................................................................................................. 67

Boiler/group "2".................................................................................................... 70

DHW/group "3"..................................................................................................... 70

Solar/group "4"..................................................................................................... 71

Heating circuit 1, heating circuit 2, heating circuit 3/group "5"............................. 73

Code 2

Calling up coding level 2...................................................................................... 80

General/group "1"................................................................................................. 81

Boiler/group "2".................................................................................................... 90

DHW/group "3"..................................................................................................... 92

Solar/group "4"..................................................................................................... 94

Heating circuit 1, heating circuit 2, heating circuit 3/group "5"............................. 98

Diagnosis and service scans

Calling up the service level................................................................................... 107

Diagnosis.............................................................................................................. 108

Checking outputs (relay test)................................................................................ 114

Index

5623 520 GB

Troubleshooting

Fault display......................................................................................................... 117

Fault codes........................................................................................................... 119

Repair................................................................................................................... 135

Function description

Constant temperature control unit........................................................................ 143

Weather-compensated control unit...................................................................... 144

Internal extensions (accessories)......................................................................... 145

External extensions (accessories)........................................................................ 148

Control functions.................................................................................................. 152

Assigning heating circuits to the remote control................................................... 160

Electronic combustion control unit........................................................................ 160

Designs

Connection and wiring diagram – internal connections ....................................... 162

Connection and wiring diagram – external connections....................................... 163

Parts lists

Ordering parts...................................................................................................... 165

Overview of the assemblies................................................................................. 166

Casing assembly.................................................................................................. 167

Heat cell assembly............................................................................................... 168

Burner assembly.................................................................................................. 169

Hydraulic assembly.............................................................................................. 169

Control unit assembly........................................................................................... 170

Miscellaneous....................................................................................................... 171

Commissioning/service reports

............................................................................................................................. 173

Specification....................................................................................................... 174

Certificates

Declaration of conformity...................................................................................... 175

Manufacturer's certificate according to the 1st BImSchV [Germany]................... 175

Keyword index.................................................................................................... 176

Index

Index (cont.)

5623 520 GB

Vitodens 200-W, B2HA

Preset for operation with natural gas E and LL.

For conversion to LPG P (without conversion kit), see page 37.

Conversion for other countries

The Vitodens 200-W should generally only be delivered to those countries specified

on the type plate. For deliveries to alternative countries, an approved contractor, on

his own initiative, must arrange individual approval in accordance with the law of the

land.

Multi boiler system

In connection with the installation of a multi boiler system observe the installation

instructions of the multi boiler system accessories.

Preparing for installation

Product information

5623 520 GB

Dimensions and connections

!Please note

To prevent equipment damage,

install all pipework free of load

and torque stresses.

165.5

923

1440

689

278

905

600

200

855

1975

1950

70 70

195

ASafety valve

BExpansion vessel connection G1

CBoiler flow 7 54 mm

DCylinder flow 7 42 mm

EGas connection R 1

FCylinder return 7 42 mm

Preparing for installation

5623 520 GB

Installation

GBoiler return 7 54 mm

HConnection sets (accessories,

shown without the thermal insula-

tion supplied)

KCable entry area at the back

LWithout connection set (accesso-

ries)

MWith connection set (accessories)

NRecommended dimension (single

boiler system without mounting

frame)

ORecommended dimension (multi

boiler system and single boiler sys-

tem with mounting frame)

PCondensate drain

Preparing for the boiler installation

Note

This boiler (protection IP X4 D) is

approved for installation in wet rooms

inside safety zone 1 according to

DIN VDE 0100 [Germany], if hosed

water can be prevented.

Observe DIN VDE 0100 [or local regula-

tions].

1. Prepare the water connections. Thor-

oughly flush the heating system.

2. Prepare gas connection to TRGI [or

local regulations].

3. Prepare the electrical connections.

■Power cable: NYM-J 3 x 1.5 mm2,

max. fuse 16 A, 230 V~.

■ Accessory cables: NYM with the

required number of conductors for

the external connections.

■Allow all cables in area "K" to pro-

trude 1400 mm from the wall.

Preparing for installation

Preparing for installation (cont.)

5623 520 GB

Removing boiler from packaging and levelling

2..

1. Remove packing cushions and keep

them safe.

They are used as a support during

levelling.

2. Undo two screws on the underside.

3. Remove front panel.

4. Push packing cushions onto the

underside of the boiler.

Installation sequence

Fitting the boiler and making connections

5623 520 GB

Installation

A7 9 mm drilled holes for attaching

lifting gear

5. !Please note

To prevent damage,

do not level boiler without

packing cushions.

Level boiler with pallet.

Installation sequence

Fitting the boiler and making connections (cont.)

5623 520 GB

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