Viessmann Flue gas system Bedienungsanleitung

5458 035 GB Subject to technical modiﬁcations.

Viessmann Werke GmbH&Co KG

D-35107 Allendorf

Telephone: +49 6452 70-0

Fax: +49 6452 70-2780

www.viessmann.com

Viessmann Limited

Hortonwood 30, Telford

Shropshire, TF1 7YP, GB

Telephone: +44 1952 67500

Fax: +44 1952 675040

E-mail: [email protected]

Installation instructions

for contractors

Flue gas system

for Vitocrossal (type CU3), Vitodens and Vitoladens

Safety instructions

Please follow these safety instructions closely to prevent accidents and

material losses

Safety instructions explained

Please note

This symbol warns against

the risk of material losses and

environmental pollution.

Note

Details identiﬁed by the word “Note”

contain additional information

installation, initial start-up, inspection,

maintenance and repairs must only be

carried out by a competent person (heating

engineer/installation contractor).

Before working on the equipment/heating

system, isolate the power supply (e.g.

by removing a separate mains fuse or by

means of a mains isolator) and safeguard

against unauthorised reconnection.

When using gas as a fuel, also close the

main shut-off valve and safeguard against

unauthorised reopening.

Repairing components which fulﬁll a safety

function can compromise the safe operation

of your heating system.

For replacements, use only original spare

parts supplied or approved by Viessmann.

Dispose after installation

5458 035 GB 04/2010

General installation instructions

Engineering

Prior to the installation check that the

maximum possible ﬂue length in

accordance with the technical guide for

the respective boiler will not be exceeded.

Flue gas temperature protection

The ﬂues are approved for ﬂue gas

temperatures up to 120°C

Measures inside the Viessmann condensing

boilers ensure that the maximum

permissible ﬂue gas temperature will never

be exceeded.

Installation information

nThe component overviews for the types

of routing also apply to the Vitocrossal

300 and the Vitoladens 300-T.

nKeep ﬂue paths as short as possible with

the fewest number of bends possible.

nCheck the gaskets in all female

connections.

nUse only the special gaskets supplied

with the boiler.

Required tools/equipment

nRope for lowering the ﬂue gas system

into a duct (length: chimney height plus 3

metres).

nSaw and ﬁle for trimming and chamfering

the pipe sections.

nPower drill for securing the duct cover and

the support rail.

nPlug-in fem. connections in the ﬂue must

always point in the ﬂow direction.

nOnly use the components supplied with

the PP ﬂue gas system.

nTwist the pipes slightly whilst pushing

them in.

nInner and outer pipe can be trimmed to

the same length.

5458 035 GB

General installation instructions (cont.)

Leak/soundness test

Flue gas system with Building Regulations approval -

Routing through a duct

After their installation, ﬂue gas systems

routed through a duct must be tested for

soundness by a competent person as per

the Building regulations.

nPressurised ﬂues inside buildings that are

not surrounded by combustion air (open

ﬂue) must be pressure tested.

To pressure test a ﬂue, air is pumped into

the ﬂue that has been sealed at the top

and bottom using a ﬂue test device, until

a pressure of 200 Pa has built. Whilst

maintaining this pressure, the volume

of air that escapes through leaks is

established.

Up to a leakage rate of 0,006 litres/ (s x

m2), relative to the internal surface area,

is considered as indication that the ﬂue is

sound.

nIn pressurised ﬂue gas systems that are

surrounded by combustion air (balance

ﬂue), the soundness can be checked by

testing the O2content in the combustion

air (annular gap test).

The ﬂue is reckoned to be sufﬁciently

sound if the O2content in the combustion

air deviates by no more than the following

values from the reference value. The

reference value results after the self-

adjustment of the test equipment:

– for ﬂues with general Building

Regulations approval 0.4% by vol.

– for other ﬂues 0.2% by vol.

Flue gas systems as technical units with Vitodens and Vitoladens

nBalanced ﬂue roof outlet (C33x)

nBalanced ﬂue external wall terminal (C13x)

nRouting over external walls (C53x)

nSeparate ventilation and ﬂue gas routing

(C53x)

We recommend that a simple soundness

test is carried out during the commissioning

of your system. For this it would be

sufﬁcient to check the CO2concentration in

the combustion air at the annular gap of the

balanced ﬂue pipe. The ﬂue pipe is deemed

to be sound if the CO2concentration in the

combustion air is no higher than 0.2% or

the O2concentration is at least 20.6%.

If higher CO2or lower O2values are

measured, check the ﬂue system for

soundness.

5458 035 GB

General installation instructions (cont.)

5458 035 GB

Removing the ﬂue pipe from the balanced ﬂue pipe

(if required)

System size 60 and 80.

General installation instructions (cont.)

System certiﬁcation and Building Regulations

Approval

Note

This is to conﬁrm that the ﬂue system is approved to Building Regulations and certiﬁed to the

appropriate EC Gas Equipment Directive.

System Certiﬁcation

System certiﬁcation to DVGW-VP 113 and

EC Gas Equipment Directive 90/396/EEC

in conjunction with PPs ﬂue pipes offered

by Skoberne.

5458 035 GB

Vitodens 100-W CE-0085 BN

Vitodens 200-W CE-0085 BR 0432

Vitodens 222-F CE-0085 BR 0433

Vitodens 343-F / 242-F CE-0085 BO 0338

Installation requirements

Statutory requirements

The appliance is suitable only for installation in GB and IE and should be installed in accordance

with the rules in force. In GB a Gas Safe Registered Installer must carry out the installation. It

must be carried out in accordance with the relevant requirements of the:

Gas safety (installation and use) regulations (current issue)

It is in your own interest and safety to ensure that the law is complied with.

In addition to the above regulations, this

appliance must be installed in accordance

with the current IEE Wiring Regulations

for electrical installation (BS 7671), local

Building Regulations, the Building Standards

(Scotland) (Consolidation) Regulations, bye

laws of the local water undertaking and

Health and Safety Document NO. 635 ‘The

Electricity at Work regulations 1989’

In Ireland (IE), the installation must be

carried out by a Competent Person

and installed in accordance with the

current edition if I.S.813 “Domestic

Gas Installations”, The current Building

Regulations and references should be

made to the current ETCI rules for electrical

installation.

It should also be in accordance with the

relevant recommendations in the current

editions of the following British Standards

and Codes of Practice: BS 5449, BS 5546,

BS 5440:1, BS 5440:2, BS 6798, BS 7593,

BS 6891, IGE/UP/7 and IS 813 for IE.

All Registered installers are required to

notify building control when they have

installed or exchanged a gas appliance in

a residential dwelling, this can be done via

Gas Safe.

Gas Safe will then issue either a Building

Compliance Certiﬁcate (for England and

Wales) or a Declaration of Safety (Scotland,

Northern Island, Isle of Man or appliances

out of the scope of Building Regulations)

to the homeowner, which will conﬁrm

that the work has been carried out by a

competent Gas Safe Registered Installer.

This document will be used to form part of

the Home Information Pack (HIP).

Please note

Manufacturers instructions must not

be taken in any way as overriding

statutory obligations.

Boiler Position

The following limitations must be observed

when siting the boiler:

nThe boiler is not suitable for external

installation. The position selected for the

installation should be within the building,

unless otherwise protected by a suitable

enclosure and must allow adequate space

for installation, servicing and operation

of the appliance and for air circulation

around it.

nThe position must allow for a suitable ﬂue

system and terminal position. The boiler

must be installed on a ﬂat vertical wall

capable of supporting the weight of the

appliance and any ancillary equipment

when full.

nDue consideration should be given to the

routing of the condensate drain from the

chosen position.

nIf the boiler is to be ﬁtted in a timber

framed building it should be ﬁtted in

accordance with ige/up/7. If in doubt

advice must be sought from the Institute

of Gas Engineers.

5458 035 GB 08/2007

Flue terminal position

nIf the appliance is to be installed in a

room containing a bath or shower, any

electrical switch or control utilising mains

electricity must be so situated that it

cannot be touched by a person using the

bath or shower. Attention is drawn to the

requirements of BS 7671 (the current

I.E.E Wiring Regulations) and in Scotland

the electrical provisions of the Building

Regulations applicable in Scotland.

nA compartment used to enclose the

appliance must be designed and

constructed speciﬁcally for this purpose.

An existing cupboard or compartment

may be used provided it is modiﬁed

accordingly. BS 7698:2000 gives details

of the essential features of cupboard /

compartment design, including airing

cupboards. The Vitodens range does not

require compartment ventilation.

nWhere installation will be in an unusual

location, special procedures may be

necessary. BS 6798 gives detailed

guidance on this aspect.

Flue termination position

Horizontal ﬂue system

5458 035 GB 08/2007

Position Minimum Spacing

A Directly below an openable window, air vent or any other 300 mm

ventilation opening

B Below a gutter, drain or soil pipe 75 mm

Flue terminal position (cont.)

Vertical ﬂue systems

5458 035 GB 08/2007

Position Minimum Spacing

C Below eaves 200 mm

D Below a balcony 200 mm

E From vertical drain or soil pipes 150 mm

F From internal and external corners 300 mm

G Above adjacent ground or balcony level/roof 300 mm

H From a surface facing the terminal 600 mm

I Facing terminals 1200 mm

J From opening door/window in carport into dwelling 1200 mm

K Vertically from a terminal on same wall 1500 mm

L Horizontally from a terminal on same wall 300 mm

M Adjacent to opening 300 mm

N Below carport/roof not recommended

Minimum distance from terminal

Boundary

Walkway

or patio Car

space

2.5m

2.1m

2.5m

Not under a car port Avoid access routes and patios Minimum distance to car

parking space

Flue terminal position (cont.)

Flue Terminal Location

Detailed recommendations for

ﬂue installation are given in BS

5440:1. The following notes are

for general guidance.

nIt is important that the position

of the terminal allows free

passage of air across it at all

times.

nIt is essential to ensure that

products of combustion

discharging from the terminal

cannot re-enter the building

or any other adjacent building,

through ventilators, windows,

doors, other sources of

natural air inﬁltration or forced

ventilation / air conditioning.

nThe minimum acceptable dimensions

from the terminal to obstruction and

ventilation openings are speciﬁed above

(BS 5440 Part 1).

nIf the terminal discharges into a pathway

or passageway check that combustion

products will not cause nuisance and

that the terminal will not obstruct the

passageway.

nWhere the lowest part of the terminal

is ﬁtted within 850 mm of a plastic or

painted gutter, or 450 mm of painted

eaves, an aluminium shield at least 750

mm long must be ﬁtted to the underside

of the painted surface.

nWhere the terminal is ﬁtted within 850

mm of a plastic or painted gutter, or 450

mm of painted eaves, an aluminium

shield at least 750mm long must be ﬁtted

to the underside of the painted surface.

nThe air inlet / ﬂue outlet duct must not

be closer that 25 mm to combustible

material.

nDue to the high efﬁciency of the boiler

the terminal may emit a plume of vapour.

This is normal but positions where

this would cause a nuisance should be

avoided.

5458 035 GB 08/2007

Position Minimum Spacing

O From adjacent wall 300 mm

P From adjacent opening window 1000 mm

Q From another terminal 600 mm

R Minimum height 300 mm

Minimum distance measured perpendicular to roof covering

400 mm

Minimum distance to car

parking space

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