Viessmann Vitodens 100-W Guide rapide

Installation and service

instructions

for contractors

VIESMANN

Vitodens 100-W

Type BPJA, 6.5 to 25.0 kW

Wall mounted gas condensing boiler

Natural gas and LPG version

Gas Council no.: 41-819-30, 25 kW; 41-819-31, 29 kW

For applicability, see the last page

VITODENS 100-W

5609 913 GB 1/2012 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

5609 913 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.)

5609 913 GB

Installation instructions

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

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

Installation sequence

Fitting the boiler and making connections............................................................ 10

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

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

Service instructions

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance.......................................... 19

Further details regarding the individual steps....................................................... 20

Troubleshooting

Function sequence and possible faults................................................................ 38

Fault messages on the display............................................................................. 39

Repairs................................................................................................................. 43

Gas type conversion

Converting from LPG to natural gas .................................................................... 51

Designs

Connection and wiring diagram............................................................................ 53

Parts lists

Ordering parts...................................................................................................... 55

Overview of the assemblies................................................................................. 56

Sheet metal parts assembly................................................................................. 57

Heat cell assembly............................................................................................... 58

Burner assembly.................................................................................................. 59

Hydraulic assembly.............................................................................................. 61

Combi hydraulic assembly................................................................................... 63

Control unit assembly........................................................................................... 64

Miscellaneous assembly...................................................................................... 65

Specification....................................................................................................... 66

Certificates

Declaration of conformity...................................................................................... 67

Index

5609 913 GB

Keyword index.................................................................................................... 68

Index

Index (cont.)

5609 913 GB

Vitodens 100-W, type BPJA

Preset for operation with natural gas.

Conversion to LPG P requires a gas con-

version kit.

Conversion for other countries

The Vitodens 100-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 accord-

ance with the law of the country in ques-

tion.

Product description

The Vitodens 100-W is available as a

gas condensing combi boiler with inte-

gral plate heat exchanger for DHW heat-

ing. For the connection of heating circuits

and the DHW line, see from page 9.

The Vitodens 100-W is set up for opera-

tion with constant boiler water tempera-

ture.

The following are integrated: one sealed

unvented hydraulic system with 2 con-

nections for heating flow and return and

2 connections for DHW heating.

If the Vitodens 100-W is installed in an S

plan or Y plan system, both of the inter-

nal connections must be sealed off, as

they are not required.

The following components are integra-

ted into the hydraulic system:

■ Circulation pump

■ 3-way diverter valve

■ Safety valve

■ Diaphragm expansion vessel

■ Plate heat exchanger for DHW heating

Connection accessories

A time switch is connected with low volt-

age to the control unit.

Product information

5609 913 GB

Preparing for the boiler installation

Dimensions and connections

250

400

700

58 58

123123

AC E

156

350

125

860

AHeating flow 7 22 mm compression

fitting

BHot water 7 15 mm compression

fitting

CGas connection 7 22 mm

DCold water 7 15 mm compression

fitting

EHeating return 7 22 mm compres-

sion fitting

FCondensate drain/safety valve

drain: Plastic hose 7 22 mm

Preparing for installation

5609 913 GB

Installation

Fitting the wall mounting bracket

250

Ø10

187

AVitodens installation template

Preparing for installation

Preparing for installation (cont.)

5609 913 GB

1. Align the supplied installation tem-

plate on the wall.

2. Mark out the rawl plug holes.

3. Drill 7 10 mm holes and insert the

supplied rawl plugs.

4. Fit wall mounting bracket with screws

supplied.

Fit installation aid or mounting frame

Installation aid or mounting frame

installation instructions

Preparing the connections

!Please note

To prevent equipment damage,

install all pipework free of load

and torque stresses.

1. Prepare the water connections. Flush

the heating system.

2. Prepare the gas connection.

3. Prepare the electrical connections.

■Power cable NYM-J 3 x 1.5 mm2.

■ Accessory cables:

NYM-O 2-core min. 0.5 mm2.

Preparing for installation

Preparing for installation (cont.)

5609 913 GB

Installation

Removing the front panel and mounting the boiler

1. Undo screws at the bottom of the

boiler; do not remove completely.

2. Remove front panel.

3. Hook the boiler into the wall mounting

bracket.

Installation sequence

Fitting the boiler and making connections

5609 913 GB

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