Viessmann VITOTRONIC 100 Guide rapide

Installation and service

instructions

for contractors

VIESMANN

Vitotronic 100

Type KC3

Boiler control unit for constant temperature operation

For applicability, see the last page

VITOTRONIC 100

5862 701 GB 1/2013 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 inten-

ded for qualified contractors.

■ Work on gas installations must only be

carried out by a registered 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:

■ Statutory regulations regarding the

prevention of accidents

■ Statutory regulations regarding envi-

ronmental protection

■ Codes of practice of the 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), Build-

ing Regulations (Northern Ireland),

– 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.

■ Do not smoke. Prevent naked

flames and sparks. Do not

switch lights or electrical appli-

ances on or off.

■ Close the gas shut-off valve.

■ Open windows and doors.

■ Evacuate any people from the

danger zone.

■ Notify your gas or electricity

supply utility from outside the

building.

■ Shut off the electricity supply to

the building from a safe place

(outside the building).

Safety instructions

5862 701 GB

If you smell flue gas

Danger

Flue gas can lead to life-threat-

ening poisoning.

■ Shut down the heating system.

■ Ventilate the installation site.

■ Close all doors in the living

space.

Flue systems and combustion air

Ensure that flue systems are clear and

cannot be sealed, for instance due to

accumulation of condensate or other

causes. Ensure a sufficient supply of

combustion air.

Instruct system users that subsequent

modifications to the building characteris-

tics are not permissible (e.g. cable/pipe-

work routing, cladding or partitions).

Danger

Life-threatening poisoning

caused by carbon monoxide in

the flue gas occurs as a result of

leaking or blocked flue systems

or an insufficient supply of com-

bustion air.

Ensure the flue system is in

proper working order. It must not

be possible to close apertures for

interconnected combustion air

supply.

Extractors

Operating appliances that extract air to

the outside (cooker hoods, extractors, air

conditioning units, etc.) can create neg-

ative pressure. If the boiler is operated at

the same time, this can lead to reverse

flow of the flue gas.

Danger

The simultaneous operation of

the boiler and appliances that

extract air to the outside can

result in life threatening poison-

ing due to reverse flow of the flue

gas.

Fit an interlock circuit or take suit-

able steps to ensure a sufficient

supply of combustion air.

Working on the system

■ Where gas is used as the fuel, close

the main gas shut-off valve and safe-

guard it against unintentional reopen-

ing.

■ Isolate the system from the power sup-

ply (e.g. by removing the separate fuse

or by means of a mains isolator) and

check that it is no longer 'live'.

■ Safeguard the system against recon-

nection.

!Please note

Electronic assemblies can be

damaged by electrostatic dis-

charge.

Prior to commencing any work,

touch earthed objects, such as

heating or water pipes to dis-

charge static loads.

Repair work

!Please note

Repairing components that fulfil a

safety function can compromise

the safe operation of your sys-

tem.

Defective components must be

replaced with genuine

Viessmann spare parts.

Safety instructions

Safety instructions (cont.)

5862 701 GB

Auxiliary components, spare and

wearing parts

!Please note

Spare and wearing parts that

have not been tested together

with the system can compromise

its function. Installing non-author-

ised components and making

non-approved modifications or

conversions can compromise

safety and may invalidate our

warranty.

For replacements, use only orig-

inal spare parts supplied or

approved by Viessmann.

Safety instructions

Safety instructions (cont.)

5862 701 GB

Installation instructions

Preparing for installation

System example................................................................................................... 6

Installation sequence

Opening the control unit casing............................................................................ 7

Terminal overview................................................................................................ 8

Inserting cables/leads and applying strain relief................................................... 9

Adjusting the high limit safety cut-out (if required)............................................... 10

Adjusting the thermostat (if required)................................................................... 11

Connecting the Vitotrol 100.................................................................................. 12

Connecting pumps............................................................................................... 17

Connecting external safety equipment................................................................. 18

Connecting a burner............................................................................................. 19

Power supply........................................................................................................ 21

Service instructions

Commissioning

Testing the high limit safety cut-out...................................................................... 23

Troubleshooting................................................................................................. 24

Designs

Connection and wiring diagram............................................................................ 25

Components

Vitotrol 100........................................................................................................... 27

Vitoair secondary air device, part no. 7338 725 and 7339 703............................ 28

MCB inside the control unit.................................................................................. 29

Parts lists

Ordering parts...................................................................................................... 30

Specification....................................................................................................... 32

Settings and equipment..................................................................................... 33

Keyword index.................................................................................................... 34

Index

5862 701 GB

One directly connected heating circuit without mixer

ABoiler with Vitotronic 100

BPower supply (230 V/50 Hz)

CVitotrol 100 (accessory)

DHeating circuit pump

EHeating circuit without mixer

Plug

fA Burner

Preparing for installation

System example

5862 701 GB

Installation sequence

Opening the control unit casing

5862 701 GB

Installation

Terminals 230 V~

ATerminals 1 to 12

■ Power supply (see page 21)

■ Vitotrol 100 (see from page 12)

■ Heating circuit pump (see

page 17)

■ External burner blocking (see

page 25)

CTerminals 13 to 18

■ External safety equipment

(page 18)

■ Testing the high limit safety cut-

out (page 23)

Plug 230 V~

BBurner plug fA (page 19)

Installation sequence

Terminal overview

5862 701 GB

Installation sequence

Inserting cables/leads and applying strain relief

5862 701 GB

Installation

In the delivered condition, the high limit

safety cut-out is set to 110 °C and can be

adjusted to 100 °C.

Note

The temperature cannot be returned to

its original setting.

When adjusting the temperature to

100 °C, never set the thermostat higher

than 75 °C.

Installation sequence

Adjusting the high limit safety cut-out (if required)

5862 701 GB

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