Viessmann Vitodens 100-W Guide rapide

VIESMANN

Installation and service

instructions

for contractors

Vitodens 100-W

Type WB1A

Gas fired wall mounted condensing boiler

Natural gas version

For applicability, see the last page

VITODENS 100-W

5592 827 GB 4/2007 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.

!Please note

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-

sions which may lead to ser-

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.

&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.

&Close all doors leading to the

living space.

&Do not operate electrical

switches.

Safety instructions

5592 827 GB

Working on the heating system

&Isolate the system from the mains

electric power supply, e.g. by

removing a separate fuse or by

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

!Please note

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

!Please note

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

5592 827 GB

Installation instructions

Preparing for installation

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

Preparing for installation ............................................................................. 5

Installation sequence

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

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

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

Commissioning and testing ......................................................................... 46

Service instructions

Commissioning, inspection, maintenance............................................... 55

Service Instructions

Routine Servicing Instructions .................................................................... 55

Troubleshooting

Fault finding................................................................................................ 66

Repairs ...................................................................................................... 70

Designs

Connection and wiring diagrams –combi boiler .......................................... 78

Connection and wiring diagram - system boiler............................................ 80

Parts lists .................................................................................................. 82

Commissioning/service reports ............................................................... 89

Certificates

Declaration of conformity ............................................................................ 93

Keyword index .......................................................................................... 94

Index

5592 827 GB

Vitodens100-W, WB1A

Set up for operation with natural gas.

Preparing for installation

General Information

Appliance description

The Vitodens 100-W is a fully auto-

matic, wall hung, fan assisted

balanced flue condensing boiler for

use with Natural Gas (G20).

The Vitodens 100-W is fully modulat-

ing and provides central heating out-

puts 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.

Asbestos, mercury or CFC´s have not

and will not be used in this product.

Certification details

The Vitodens 100-W is certified to

comply with the requirements of prEN

483, EN 625 and EN 677 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

5592 827 GB

Installation

Technical Specification

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 2.36 2.96

Combi boiler:

Design domestic hot water performance

(specific rate)

l/min 8.0 10.0

Domestic hot water temperature range °C 30 - 60 30 - 60

Maximum mains water inlet pressure bar 10 10

Minimum mains water inlet pressure for

operation

bar 1 1

Total water capacity (Including expansion

Vessel)

l 3.5 3.5

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

- System boiler kg 42 42

Total weight inc. packaging

- Combi boiler kg 48 48

- System boiler kg 47 47

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

Internal fuse A 4 4

Maximum power consumption W 145 145

Flue outlet (clearance 7): mm 60 60

Ventilation pipe (outside 7) mm 100 100

Gas Council Number

- Combi boiler 47–819–04 47–819–05

- System boiler 41–819–09 —

Product ID _-0085 BQ 0017

Preparing for installation (cont.)

Preparing for installation

5592 827 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: 718 mm/

22 mm

Preparing for installation (cont.)

Preparing for installation

5592 827 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: 718 mm/

22 mm

Preparing for installation (cont.)

Preparing for installation

5592 827 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 can be supplied complete with a

standard concentric horizontal flue

terminal assembly, suitable for flue

lengths of up to 620 mm from the cen-

tre 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 clearances.

Extension ducts can be used to

increase the straight flue length up to

6 m and include one 87° elbow.

Preparing for installation (cont.)

Preparing for installation

5592 827 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

The vertical flue kit (optional extra)

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.

Preparing for installation (cont.)

Preparing for installation

5592 827 GB

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