Viessmann Vitodens 111-W Manuel utilisateur

Operating instructions

for the system user

VIESMANN

Heating system

with control unit for constant temperature or weather-compensated operation

VITODENS 100-W

VITODENS 111-W

5697 793 GB 10/2015 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 operating instructions are intended for heating

system users.

This appliance can also be operated by children 8

years and older, as well as by individuals with reduced

physical, sensory or mental faculties or those lacking

in experience and knowledge, provided such individu-

als are being supervised or have been instructed in the

safe use of this appliance and any risks arising from it.

!Please note

Supervise children in the proximity of the appli-

ance.

■Never permit children to play with the appli-

ance.

■Cleaning and maintenance must not be car-

ried out by unsupervised children.

Appliance connection

■The appliance may only be connected and commis-

sioned by authorised contractors.

■Only operate the appliance with suitable fuels.

■Observe the specified electrical connection require-

ments.

■Modifications to the existing installation may only be

carried out by authorised contractors.

Danger

Incorrectly executed work on the heating system

can lead to life threatening accidents.

■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 electrician.

Work on the appliance

■All settings and work on the appliance must be car-

ried out as specified in these operating instructions.

Further work on the appliance may only be carried

out by authorised contractors.

■Never open the appliance.

■Never remove casings.

■Never change or remove attachments or fitted

accessories.

■Never open or retighten pipe connections.

Danger

Hot surfaces can cause burns.

■Never open the appliance.

■Never touch the hot surfaces of uninsulated

pipes, fittings or flue pipes.

Damage to the appliance

Danger

Damaged equipment poses a safety hazard.

Check the appliance for external damage. Never

start up a damaged appliance.

If you smell gas

Danger

Escaping gas can lead to explosions 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.

■Evacuate any people from the danger zone.

■Notify your gas and power supply utility and

your local heating contractor from outside the

building.

■Have the power supply to the building shut off

from a safe place (outside the building).

If you smell flue gas

Danger

Flue gas can lead to life threatening poisoning.

■Shut down the heating system.

■Ventilate the installation site.

■Close all doors in the living space.

In case of fire

Danger

Fire presents a risk of burns and explosion.

■Shut down the heating system.

■Close the shut-off valves in the fuel supply

lines.

■Use a tested fire extinguisher, class ABC.

Safety instructions

For your safety

5697 793 GB

In case of water leaking from the appliance

Danger

Water leaking from the appliance poses an elec-

trocution hazard.

■Switch off the heating system at the external

isolation point (e.g. fuse box, domestic power

distribution unit).

■Notify your local heating contractor.

What to do if the heating system develops a fault

Danger

Fault messages point to faults in the heating

system. If faults are not rectified, they can have

life threatening consequences.

Never acknowledge fault messages several

times in quick succession. Inform your heating

contractor so the cause can be analysed and

the fault rectified.

Installation room requirements

Danger

Sealed vents result in a lack of combustion air.

This leads to incomplete combustion and the

formation of life threatening carbon monoxide.

Never cover or close existing vents.

Never make any subsequent modifications to

the building characteristics that could affect safe

operation (e.g. cable/pipework routing, cladding

or partitions).

Danger

Easily flammable liquids and materials (e.g.

naphtha, solvents, cleaning agents, paints or

paper) can cause deflagration and fire.

Never store or use such materials in the installa-

tion room or in direct proximity to the heating

system.

!Please note

Incorrect ambient conditions can lead to heating

system damage and can put safe operation at

risk.

■Ensure ambient temperatures are above 0 °C

and below 35 °C.

■Prevent air contamination by halogenated

hydrocarbons (e.g. as contained in paints, sol-

vents or cleaning fluids) and excessive dust

(e.g. through grinding/polishing work).

■Avoid continuously high humidity levels (e.g.

through continuous drying of washing).

Extractors

The operation of appliances that extract air to the out-

side (cooker hoods, extractors, air conditioning units,

etc.) can create negative pressure. If the boiler is oper-

ated at the same time, this can lead to a 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 poisoning due to

reverse flow of the flue gas.

Take suitable steps to ensure an adequate sup-

ply of combustion air. If necessary, contact your

heating contractor.

Auxiliary components, spare and wearing parts

!Please note

Components not tested with the heating system

may damage the system or affect its function.

Have all installation or replacement work carried

out exclusively by qualified contractors.

Safety instructions

For your safety (cont.)

5697 793 GB

1. Information Symbols ................................................................................................. 5

Intended use .......................................................................................... 5

Terminology ........................................................................................... 6

2. Introductory information Commissioning ...................................................................................... 7

Your system is preset at the factory ....................................................... 7

Energy saving tips ................................................................................. 7

3. Operation Summary of controls and indicators ...................................................... 8

■Controls and display elements ........................................................... 8

■Display indicators and operating buttons ............................................ 8

Operating mode of the heating system .................................................. 9

■Operation without room temperature controller .................................. 9

■Operation with room temperature controller ....................................... 9

■Weather-compensated operation ....................................................... 9

4. Start-up/shutdown Starting the heating system ................................................................... 10

Shutting down the heating system ......................................................... 10

■With frost protection monitoring .......................................................... 10

■Without frost protection (shutdown) .................................................... 10

Stopping central heating and DHW heating .......................................... 11

■Stopping central heating ..................................................................... 11

■Stopping DHW heating ....................................................................... 11

5. Settings Setting the central heating temperature ................................................. 12

■Operation without room temperature controller ― Setting the heating

water temperature .............................................................................. 12

■Operation with room temperature controller ― Setting the boiler

water temperature .............................................................................. 12

■Weather-compensated operation – Setting the room temperature ..... 12

6. Setting the DHW tempera-

ture

DHW temperature .................................................................................. 14

■DHW comfort function ........................................................................ 14

7. Emissions test mode Starting emissions test mode ................................................................. 15

■Ending emissions test mode ............................................................... 15

8. What to do if... Rooms are too cold ................................................................................ 16

Rooms are too hot ................................................................................. 16

There is no hot water ............................................................................. 17

The DHW is too hot ............................................................................... 17

" " and the fault code flash on the display ........................................... 17

" " is shown on the display .................................................................. 17

Fault indicator on display ....................................................................... 18

Resetting a burner fault ......................................................................... 18

9. Maintenance Cleaning ................................................................................................. 19

Inspection and maintenance .................................................................. 19

■............................................................................................................. 19

10. Appendix Terminology ........................................................................................... 20

Information on disposal .......................................................................... 20

■Disposal of packaging ........................................................................ 20

■Final decommissioning and disposal of the heating system ............... 20

11. Keyword index ................................................................................................................ 21

Index

5697 793 GB

Symbol Meaning

Reference to other document containing

further information

Step in a diagram:

The numbers correspond to the order in

which the steps are carried out.

Warning of material losses and environ-

mental pollution

Live electrical area

Pay particular attention.

■Component must audibly click into place.

■Acoustic signal

■Fit new component.

■In conjunction with a tool: Clean the sur-

face.

Dispose of component correctly.

Dispose of component at a suitable collec-

tion point. Do not dispose of component in

domestic waste.

Intended use

The appliance is intended solely for installation and

operation in sealed unvented heating systems that

comply with EN 12828, with due attention paid to the

associated installation, service and operating instruc-

tions. It is only designed for heating up heating water

that is of potable water quality.

Intended use presupposes that a fixed installation in

conjunction with permissible, system-specific compo-

nents has been carried out.

Commercial or industrial usage for a purpose other

than heating the building or DHW shall be deemed

inappropriate.

Any usage beyond this must be approved by the man-

ufacturer in each individual case.

Incorrect usage or operation of the appliance (e.g. the

appliance being opened by the system user) is prohibi-

ted and will result in an exclusion of liability. Incorrect

usage also occurs if the components in the heating

system are modified from their intended use (e.g. if the

flue gas and ventilation air paths are sealed).

Information

Symbols

5697 793 GB

To provide you with a better understanding of the func-

tions of your Viessmann control unit, some terminology

is explained.

The terms are marked as follows:

Further information can be found in chapter

"Terminology" in the appendix.

Information

Terminology

5697 793 GB

The commissioning and adjusting of the control unit to

local conditions and to building characteristics, plus the

instruction of the user in operating the system, must be

carried out by your heating contractor.

As the user of new combustion equipment, you may be

obliged to notify your local flue gas inspector of the

installation [check local regulations]. Your local flue gas

inspector [where applicable] will also provide you with

information on additional activities concerning your

combustion equipment (such as regular testing, clean-

ing, etc.).

Your system is preset at the factory

Your heating system is preset at the factory and is

therefore ready for operation.

Your heating contractor can make further adjustments

for you during commissioning.

You can change these settings at any time to suit your

individual requirements.

Power failure

All settings are saved if there is a power failure.

Energy saving tips

Central heating

■Room temperature:

Never overheat your rooms. Every degree of room

temperature reduction saves up to 6 % on your heat-

ing bills.

Never set your room temperature higher than 20 °C.

■Operating modes:

If you do not require central heating, select one of

the following operating modes:

–In summer, if you do not want to heat any rooms

but do need DHW, set the boiler water temperature

to OFF (see page 11).

–If you require neither room heating nor DHW for an

extended period, set the boiler water temperature

and the DHW temperature to OFF.

■Ventilation:

To ventilate, open windows fully briefly, and mean-

while close the thermostatic valves (if there is no

mechanical ventilation system installed).

■Roller shutters:

Close roller shutters (where installed) at dusk.

■Thermostatic valves:

Ensure that thermostatic valves are properly adjus-

ted.

■Radiators:

Never cover radiators or thermostatic valves.

DHW heating

■DHW temperature:

Never set the DHW cylinder temperature excessively

high (see page 14).

■Hot water consumption:

Consider showering instead of running a bath. A

shower generally uses less energy than a full bath.

Introductory information

Commissioning

5697 793 GB

Controls and display elements

CA B

Fig. 1

APressure gauge

BTouchscreen with controls

CON/OFF switch

Display indicators and operating buttons

The control unit is equipped with a touchscreen. To

make settings and call up information, tap the on-

screen buttons.

Activation of the on-screen buttons is confirmed with a

signal tone. Your heating contractor can turn the signal

tone off.

A B CD E F GH

R P O N M L

Fig. 2

ADisplay value or fault code

BTemperature in °C (in conjunction with the display

value)

CHeating mode

DDHW heating

EDisplay value or fault code

FFault indicator

GBurner fault reset

HTemperature in °C (in conjunction with the display

value)

KOn-screen buttons (see page 8)

LCommissioning setting active (only for contractors)

MDHW comfort function active (only for boilers with

integral instantaneous water heater, see

page 14)

NCurrent burner output

ODHW comfort function not active (only for boilers

with integral instantaneous water heater)

PService setting active (only for contractors)

RBurner in operation

On-screen buttons for operation

MODE Selecting/terminating functions

Changing or selecting values

OK Accepting values/confirming selection

1 step back

RBurner fault reset

Operation

Summary of controls and indicators

5697 793 GB

Default display

The following is displayed:

■Current boiler water temperature

■Operating mode

■Burner operation and current burner output

Fig. 3

Operating mode of the heating system

Operation without room temperature controller

Further information can be found in chapter

"Terminology" in the appendix.

Setting the required heating water temperature, see

page 12.

Operation with room temperature controller

Further information can be found in chapter

"Terminology" in the appendix.

Make any settings on the connected room temperature

controller using the relevant operating instructions.

Note

Set the boiler water temperature high enough to ach-

ieve the required room temperature.

For boiler water temperature setting, see page 12

Weather-compensated operation

Further information can be found in chapter

"Terminology" in the appendix.

In weather-compensated mode, the boiler water tem-

perature is regulated subject to the outside tempera-

ture.

Note

Connect a room temperature controller to your heating

system to prevent heat being generated unnecessarily

at times when you do not require central heating. This

enables central heating to be suspended at night, for

example, in order to save energy.

For setting the room temperature, see page 13.

Operation

Summary of controls and indicators (cont.)

5697 793 GB

We recommend you contact your local heating con-

tractor if you are planning to start up a heating system

that has not been used for a long period.

bar

Fig. 4

1. Check the pressure of your heating system on the

pressure gauge.

Minimum system pressure 0.8 bar

Notify your heating contractor if the system pres-

sure is too low.

2. In open flue operation:

Combustion air is drawn from the installation room.

Check whether the vents in the installation room

are open and unobstructed.

Fig. 5

3. Open the gas shut-off valve.

4. Turn ON the ON/OFF switch.

Your heating system and room temperature control-

ler (if connected) are now ready for operation.

Shutting down the heating system

With frost protection monitoring

Further information can be found in chapter

"Terminology" in the appendix.

If you do not wish to use your boiler for several days

you can switch the appliance off.

Set the boiler water temperature and the DHW temper-

ature to OFF.

Frost protection monitoring is now active for the boiler

and the DHW cylinder.

Note

Frost protection for the entire heating system – see

operating instructions for the room temperature con-

troller.

Without frost protection (shutdown)

Shut down your heating system completely if it will not

be needed for longer periods (several months).

We recommend you contact your local heating con-

tractor if you are planning to take your heating system

out of use for long periods. Your heating contractor can

then take suitable steps such as frost protection for the

system or heating surface preservation as required.

1. Close the gas shut-off valve and safeguard against

unauthorised reopening.

2. Turn OFF the ON/OFF switch.

The power to the system is now at zero volt.

Note that the system is no longer protected

against frost.

Start-up/shutdown

Starting the heating system

5697 793 GB

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