Viessmann Vitodens 100 WB1A Guide rapide

VIESMANN

Installation and service

instructions

for heating engineers

Vitodens 100

Type WB1A

Gas fired wall mounted condensing boiler

Natural gas version

See applicability on the last page

VITODENS 100

5862 670 GB 2/2005 Please keep safe

Please follow these safety instructions closely to prevent accidents and

material losses.

Safety instructions explained

Danger

This symbol warns against the

risk of injury.

!Important information

This symbol warns against the

risk of material losses and

environmental pollution.

Note

Details identified by the word "Note"

contain additional information.

Target group

These instructions are exclusively

designed for qualified personnel.

&Work on gas equipment must only

be carried out by a CORGI regis-

tered gas fitter.

&Electrical work must be compliant

with Part P of the building regula-

tions

&The system must be commissioned

by the system installer or a qualified

person authorised by the installer.

If you notice the smell of gas

Danger

Escaping gas can cause explo-

sionswhichmayleadtoser-

ious injury.

&Do not smoke. Prevent

naked flames and sparks.

Never operate light switches

or those of electrical equip-

ment.

&Open windows and doors.

&Close the gas shut-off valve.

&Heating system shutdown

&Remove all personnel from

the danger zone.

&Observe the safety regula-

tions of your local gas sup-

plier, found on the gas meter.

&Notify your heating contrac-

tor from outside the building.

If you smell flue gas

Danger

Flue gas may lead to life-threa-

tening poisoning.

&Heating system shutdown

&Ventilate the boiler room.

&Closealldoorsleadingtothe

living space.

&Do not operate electrical

switches.

Safety instructions

5862 670 GB

Workingontheheatingsystem

&Isolate the system from the mains

electric power supply, e.g. by

removingaseparatefuseorby

means of a mains electrical isolator,

and check that it is no longer 'live'.

&Isolate the gas supply and safe-

guard against unauthorised reopen-

ing.

Repair work

!Important information

Repairing components which

fulfil a safety function can com-

promise the safe operation of

your heating system.

Replace faulty components

only with original Viessmann

spare parts.

Ancillary components, spare and

wearing parts

!Important information

Spare and wearing parts which

have not been tested together

with the heating system can

compromise its function. Instal-

ling non-authorised compo-

nents and non-approved

modifications/conversion can

compromise safety and may

infringe our warranty condi-

tions.

For replacements, use only ori-

ginal spare parts from

Viessmann or those which are

approved by Viessmann.

Safety instructions (cont.)

Safety instructions

5862 670 GB

Installation instructions

Preparing for installation

Product information .................................................................................... 5

General Information .................................................................................... 5

Technical Specification ............................................................................... 6

Installation Requirements ........................................................................... 15

Preparations for boiler installation ............................................................... 29

Installation

Installing the boiler and making all connections ........................................... 32

Flue outlet .................................................................................................. 39

Electrical connections................................................................................. 41

Commissioning and testing ......................................................................... 47

Service instructions

Initial start-up, inspection, maintenance ................................................. 58

Service Instructions

Routine Servicing Instructions .................................................................... 58

Troubleshooting

Fault finding................................................................................................ 69

Repairs ...................................................................................................... 74

Designs

Connection and wiring diagrams –combi boiler .......................................... 82

Connection and wiring diagram - system boiler............................................ 84

Parts lists .................................................................................................. 86

Certificates

Declaration of conformity ............................................................................ 92

Keyword index .......................................................................................... 93

Index

5862 670 GB

Vitodens 100, Type WB1A

Set up for operation with natural gas.

General Information

Appliance description

The Vitodens 100 is a fully automatic,

wall hung, fan assisted balanced flue

condensing boiler for use with Natural

Gas (G20).

The Vitodens 100 is fully modulating

and provides central heating outputs

between 8.0 kW (27,300Btu/h) and

24.0 kW (84,300Btu/h)/30.0 kW

(93,550 Btu/h) and instantaneous hot

water at outputs between 8.0 kW

(27,300 Btu/h) and 24.0 kW

(84,300Btu/h)/30.0 kW (93,550 Btu/

h).

The appliance always gives priority to

domestic hot water supply.

The appliance is designed for use

with sealed primary water systems

(only) and incorporates a circulation

pump, diverter valve assembly, flow

switch (combi boiler only), DHW plate

heat exchanger (combi boiler only),

safety valve and CH expansion ves-

sel. A separate DHW expansion ves-

sel is not required.

Internal frost protection and an elec-

tronic control unit is fitted as standard

equipment and the boiler may be used

with any suitable room thermostat and

/ or time clock in addition to the

optional controls available from

Viessmann.

Certification details

The Vitodens 100 is certified to com-

ply with the requirements of prEN 483

and EN 625 for use in GB and IE

(Great Britain and Ireland) using gas

category 2H (G20 with a governed

gas supply at 20 mbar (8 in.wg) inlet

pressure).

The appliance classification is either

C13x or C33x depending upon whether

a horizontal or vertical flue terminal is

used.

Product information

Preparing for installation

5862 670 GB

Installation

General Specifications and Performance Data

Rated output range

TV/TR50/30 °C kW 8 to 24 8 to 30

TV/TR80/60 °C kW 7.3 to 21.8 7.3 to 27.3

Rated output range kW 7.4 to 22.3 7.4 to 28.0

Maximum gas rate m

/h 2.50 3.14

Combi boiler:

Design domestic hot water performance

(specific rate)

l/min 7.5 12.8

Domestic hot water temperature range °C 38 - 57 38 - 57

Maximum mains water inlet pressure bar 10 10

Minimum mains water inlet pressure for

operation

bar 1 1

Total water capacity (Including expansion

Vessel)

l3.53.5

Minimum CH system pressure (static

head) –Cold

bar 1.0 1.0

Maximum CH system pressure (static

head) –Hot

bar 3.0 3.0

Maximum CH flow temperature °C 80 80

Integral expansion vessel capacity l 8 8

Integral expansion vessel pre-charge

pressure

bar 0.75 0.75

Lift weight

- Combi boiler kg 43 43

-Systemboiler kg 42 42

Total weight inc. packaging

- Combi boiler kg 48 48

-Systemboiler kg 47 47

Electrical supply 230 V, 50Hz 230 V, 50Hz

Internal fuse A 4 4

Maximum power consumption W 150 150

Flue outlet (clearance 7): mm 60 60

Ventilation pipe (outside 7) mm 100 100

Product ID _-0085 BQ 0017

Technical Specification

Preparing for installation

5862 670 GB

Overall Appliance Dimensions

Combi boiler

ACondensate drain: Plastic pipe

722 mm

BHeating flow: 722 mm

CDHW: 715 mm

DGas connection: Rp ½

ECold water: 715 mm

FHeating return: 722 mm

GSafety valve drain: 715 mm

Technical Specification (cont.)

Preparing for installation

5862 670 GB

Installation

System boiler

ACondensate drain: Plastic pipe

722 mm

BHeating flow: 722 mm

CDHW cylinder flow: 722 mm

DGas connection: Rp ½

EDHW return: 722 mm

FHeating return: 722 mm

GSafety valve drain: 715 mm

Technical Specification (cont.)

Preparing for installation

5862 670 GB

Minimum installation clearances

The following minimum clearances (mm) must be maintained for installing and

servicing the appliance.

AFront (behind removable panel) BFront (for service)

Flue System Specifications

Concentric Horizontal Flue System

Standard horizontal flue kit: The appli-

ance is supplied complete with a stan-

dard concentric horizontal balanced

flue terminal assembly, suitable for

flue lengths of up to 620 mm from the

centre of the flue outlet, which

equates to wall thicknesses of up to

480 mm for rear flues and 463 mm for

side flues, including minimum clear-

ances.

Extensionductscanbeusedto

increase the straight flue length up to

6 m and include one 87° elbow.

Technical Specification (cont.)

Preparing for installation

5862 670 GB

Installation

An extra 87° elbow can be used but

this reduces the maximum permissi-

ble length by 1 m . An extra 45° elbow

can be used but this reduces the max-

imum permissible length by 0.5 m .

ACombined length of flue outlet/

ventilation pipe max 6m.

BFlue outlet/ventilation pipe (can

be shortened as necessary)

Concentric Vertical Flue System

Theverticalfluekit(optionalextra)

with extensions may be used for up

to10 m applications.

An extra 87° elbow can be used but

this reduces the maximum permissi-

ble length by 1 m. An extra 45° elbow

can be used but this reduces the max-

imum permissible length by 0.5 m.

Technical Specification (cont.)

Preparing for installation

5862 670 GB

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