Viessmann Vitotron 100 Istruzioni operative

Vitotron 100

Type VMN3, VLN3

Electric instantaneous water boiler for central heating

6155063 GB 6/2020

Operating instructions

for system users

VITOTRON100

6155063

Please follow these safety

instructions closely to prevent injury

and material damage.

Danger

This symbol warns against the risk

of injury.

These operating instructions are

designed for heating system users.

This appliance can also be operated by

children aged 8 and above, as well as by

individuals with reduced physical,

sensory or mental faculties or those

lacking in experience and knowledge,

provided such individuals are supervised

or have been instructed in the safe use

of this appliance as well as in any risks

arising from it.

■The appliance may be connected and

commissioned only by authorised

contractors.

■ Observe the specied electrical

connection requirements.

■ Modications to the existing installation

may only be carried out by authorised

contractors.

Caution

Supervise children in the proximity

of the appliance.

■

Never permit children to play with

the appliance.

■

Cleaning and user maintenance

must never be carried out by

unsupervised children.

Danger

Incorrectly executed work on the

heating system can lead to life

threatening accidents.

■

Work on electrical equipment must

only be carried out by a qualied

electrician.

Caution

This symbol warns against the risk

of material losses and environmental

pollution.

Note

Details identied by the word "Note"

contain additional information.

Safety instructions explained

Target group

Connecting the appliance

Safety instructions

6155063

Safety instructions (cont.)

Danger

Damaged equipment poses a

safety hazard. Check the appliance

for external damage. Do not

commission a damaged appliance.

Danger

Water escaping from the appliance

represents a risk of electric shock.

■

Switch off the heating system at

the external isolator (e.g. fuse box,

domestic distribution board).

■

Notify your local heating

contractor.

Danger

Fault messages indicate faults in

the heating system. If faults are

not rectied, they can have life

threatening consequences.

Do not acknowledge fault

messages several times in quick

succession. Inform your heating

contractor so the cause can be

analysed and the fault rectied.

Working on the appliance

Damage to the appliance

Water escaping from the appliance

If the heating system develops a fault

Safety instructions

■All settings and work on the appliance

must be carried out as specied in

these operating instructions. Further

work on the appliance may be carried

out only by authorised contractors.

■Do not open the appliance.

■Do not remove the casing.

■ Never change or remove tted

accessories or attachments.

■Do not open or tighten pipe

connections.

Danger

Hot surfaces can cause burns.

■

Do not open the appliance.

■

Do not touch the hot surfaces

of uninsulated pipes and ttings.

6155063

Safety instructions (cont.)

Safety instructions

Caution

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 qualied

contractors.

Installation room requirements

Auxiliary components, spare and wearing parts

Danger

Do not make any subsequent

modications to the building

characteristics that could affect safe

operation (e.g. cable/pipework

routing, cladding or partitions).

Danger

Never store or use such materials

in the boiler room or in direct

proximity to the heating system.

Caution

Incorrect ambient conditions can

lead to heating system damage and

can put safe operation at risk.

■

Ensure ambient temperatures

above 0 °C and below 35 °C.

■

Prevent air contamination by

halogenated hydrocarbons

(e.g. as contained in paints,

solvents or cleaning uids) and

excessive dust (e.g. through

grinding/polishing work).

■

Avoid continuously high humidity

levels (e.g. through continuous

drying of laundry).

6155063

Keyword index

Information

Introductory information

Operation

Settings

Operation

Settings

Troubleshooting

Appendix

Symbols ................................................................................................... 6

Intended use ............................................................................................ 6

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

Commissioning ........................................................................................ 7

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

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

Control panel VMN3 ................................................................................ 8

Control panel VMN3 ................................................................................12

Control panel VLN3 .................................................................................19

Control panel VLN3 .................................................................................21

Rooms are too cold .................................................................................26

Rooms are too hot ...................................................................................26

No DHW installed ....................................................................................26

DHW is too hot ........................................................................................26

"Fault" is shown on the display ................................................................26

Terminology .............................................................................................27

Disposal information ................................................................................27

6155063

Information

Symbols

Symbol Meaning

See other documents for

more information

Step in a diagram:

The numbers correspond to the order in

which the steps should be carried out.

Warning of material losses and

environmental pollution

Intended use

Terminology

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

instructions. It is only designed for heating up

heating water that is of potable water quality.

Intended use presupposes that a xed installation

in conjunction with permissible, system-specic

components has been carried out.

To provide you with a better understanding of the

functions of your Viessmann control unit, some

terminology is explained.

The terms are marked as follows:

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

manufacturer in each individual case.

Incorrect usage or operation of the appliance

(e.g. the appliance being opened by the system user)

is prohibited and will result in an exclusion of liability.

Incorrect usage also occurs if the components in the

heating system are modied from their intended

function.

Further information can be found in chapter

Terminology in the Appendix.

6155063

Commissioning

Your system is preset at the factory

Energy saving tips

The commissioning and matching 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.

Your heating system is preset at the factory and is

therefore ready for operation.

Your heating contractor can make further settings for

you during commissioning.

You can change the settings at any time to suit your

individual requirements.

Central heating

■

Room temperature:

Never overheat your rooms. Every degree of room

temperature reduction saves up to 6 % on your

heating bills.

Set your room temperature no 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.

– If you do not require central heating or DHW for a

long period of time, set the boiler water and DHW

temperature to OFF.

■

Roller shutters:

Close roller shutters (where installed) at dusk.

Power failure

All settings are retained if there is a power failure.

Introductory information

■

Thermostatic valves:

Ensure that thermostatic valves are properly

adjusted.

■

Radiators:

Never cover radiators or thermostatic valves.

DHW heating

■

DHW temperature:

Never set the DHW cylinder temperature

excessively high (see page 15).

■

DHW consumption:

Consider showering instead of running a bath. A

shower generally uses less energy than a full bath.

6155063

Control panel VMN3

Operation

Turn button B(right or left) during the active winter

or summer program to switch between the function

displays on LCD screen A.

– Main display: Provides information on basic boiler

parameters (see table for details)

– Information on the operating parameters of other

heating circuits (if installed)

– Settings: Allows individual adjustment of the

parameters of the boiler and other heating circuits

according to the user's preferences

– Service/Conguration: Allows conguration of the

heating system according to the structural

conditions (available for the installation company

and contractors after entering the access code)

and displays the input and output signals for the

boiler as well as the current parameters

– PARTY/HOLIDAY/MANUAL: Allows the operating

algorithm to be changed quickly as required.

– Operating mode.

Individual functions can be called up after selecting the

corresponding function display and pressing the rotary

selector. If a fault occurs in the boiler, the message

will be displayed on the main function screen. Press

the rotary switch to display a list of faults.

ADisplay

BNavigation rotary switch for signal and parameter

display and settings

6155063

Control panel VMN3 (cont.)

Operation

AHeat transfer display

BActive central heating program display

CRoom temperature display

DInternal temperature

EOutside temperature

FDHW temperature (if applicable)

Heat transfer

DHW heating/cylinder heating

Central heating

Buffer charging

Current central heating program

Time controlled (daily/weekly program)

PARTY – maintains a comfortable room and cylinder temperature

HOLIDAY – maintains an energy saving or frost-free room and cylinder temperature

MANUAL – maintains the set room temperature

TURBO – fastest possible heating to the set room temperature

Frost protection program enabled

Cylinder pasteurisation

Ventilation of the DHW circulation pump

Heating function blocked by signal from master appliance

Main display

6155063

Control panel VMN3 (cont.)

Room temperature display

Frost protection

Energy saving temperature

Comfort temperature

Comfort temperature plus

Comfort temperature minus

Demand for heating energy via the room temperature controller (with the internal control unit)

Displays the start of time-controlled buffer charging

Appliance fault display

DHW circulation pump is running

Heating mode ON

The screen shows ow temperature A, set temperature

B and heating circuit identier C(assigned in the

VCMG3 module conguration). If there is no heat

demand, temperature Bis not displayed.

Heating circuit parameter information

Operation

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