Viessmann VITOTRONIC 200 Istruzioni operative

Operating instructions

for the system user

VIESMANN

Heat pump control unit

Vitotronic 200, type WO1A

VITOTRONIC 200

5592 647 GB 8/2010 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 operating instructions are

designed for system users.

This appliance is not designed to be

used by persons (including children) with

limited physical, sensory or mental

capacities, or lacking experience and/or

knowledge, unless they are supervised

by a person responsible for their safety,

or have received instructions from such

a person as to how to use the appli-

ance.

!Please note

Children should be supervised.

Ensure that children never play

with the appliance.

Danger

Incorrect work on the system can

lead to life-threatening acci-

dents.

Work on electrical equipment

must only be carried out by a

qualified electrician.

In case of fire

Danger

With fire there is a risk of burn-

ing.

■ Shut down the system.

■ Use a tested fire extinguisher,

class ABC.

Installation conditions

!Please note

Incorrect ambient conditions can

lead to system damage and can

put the safe operation at risk.

Appliances installed inside:

■ Ensure ambient temperatures

above 0 ºC and below 35 ºC.

■ Avoid air contamination

through halogenated hydrocar-

bons (e.g. as in paints, solvents

and cleaning agents).

■ Avoid continuously high humid-

ity levels (e.g. through frequent

drying of washing).

Appliance installed outside:

■ Only operate appliance at

ambient temperatures above

-20 ºC and below 35 ºC.

Safety instructions

For your safety

5592 647 GB

Auxiliary components, spare and

wearing parts

!Please note

Components that are not tested

with the system may cause sys-

tem damage, or may affect its

functions.

Installation or replacement work

must only be carried out by quali-

fied personnel.

Safety instructions

For your safety (cont.)

5592 647 GB

Introductory information

Device description................................................................................................ 7

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

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

Terminology.......................................................................................................... 8

Energy saving tips................................................................................................ 9

Operation

Controls................................................................................................................ 11

■ Opening the control unit.................................................................................... 11

■ Programming unit.............................................................................................. 14

Menu.................................................................................................................... 14

How to operate..................................................................................................... 16

Start-up/shutdown

Starting the heat pump......................................................................................... 19

Stopping the heat pump....................................................................................... 22

■ With frost protection monitoring........................................................................ 22

■ Without frost protection monitoring (shutting down the system)....................... 22

Central heating/cooling

Required settings................................................................................................. 24

Selecting the heating/cooling circuit..................................................................... 24

Setting the room temperature............................................................................... 25

Setting the operating program.............................................................................. 26

Setting a time program......................................................................................... 26

■ Operating status for heating/cooling................................................................. 28

Enabling an electric booster heater...................................................................... 29

Changing the heating curve................................................................................. 29

Enabling and blocking active cooling mode......................................................... 30

Stopping central heating/cooling.......................................................................... 30

Comfort and energy saving functions

Selecting party mode............................................................................................ 31

Selecting economy mode..................................................................................... 32

Selecting the holiday program.............................................................................. 32

DHW heating

Required settings................................................................................................. 34

Setting the DHW temperatures............................................................................ 34

Setting the operating program.............................................................................. 34

Index

5592 647 GB

Setting the time program...................................................................................... 35

■ Operating status for DHW heating.................................................................... 37

■ Start optimisation.............................................................................................. 37

■ Stop optimisation.............................................................................................. 37

■ DHW heating outside the time program............................................................ 38

Setting the time program for the DHW circulation pump...................................... 38

■ Operating status for DHW circulation pump...................................................... 40

Enabling an electric booster heater...................................................................... 40

Switching off DHW heating................................................................................... 41

Heating water buffer cylinder

Setting a time program......................................................................................... 42

■ Operating status for the heating water buffer cylinder...................................... 43

Further adjustments

Setting the display brightness.............................................................................. 44

Setting the display contrast.................................................................................. 44

Entering heating circuit designations.................................................................... 44

Setting the time and date..................................................................................... 45

Language selection.............................................................................................. 45

Setting the temperature unit (°C/°F)..................................................................... 45

Restoring factory settings..................................................................................... 46

Scanning

Scanning information............................................................................................ 47

Scanning messages............................................................................................. 48

Manual mode...................................................................................................... 50

What to do if...

Rooms are too cold.............................................................................................. 51

Rooms are too hot................................................................................................ 51

There is no hot water............................................................................................ 52

" " flashes and "Note" is displayed...................................................................... 52

" " flashes and "Warning" is displayed............................................................... 52

" " flashes and "Fault" is displayed..................................................................... 52

"Power-OFF C5" is displayed............................................................................... 53

"External program" is displayed........................................................................... 53

Maintenance........................................................................................................ 54

Appendix

Refrigerant............................................................................................................ 55

Index

5592 647 GB

Menu overview..................................................................................................... 56

■ Standard menu ................................................................................................ 56

■ Extended menu................................................................................................. 57

Terminology.......................................................................................................... 59

Keyword index.................................................................................................... 66

Index

Index (cont.)

5592 647 GB

Subject to the type of heat pump and

accessories installed, your heating sys-

tem may be equipped as follows:

■ Heating circuits:

Up to 3 heating circuits (2 with mixers)

can be heated.

■ Dual mode:

The heat pump control unit supports

dual mode operation with an additional

heat source, e.g. an oil condensing

boiler or electric instantaneous heat-

ing water heater.

■ Cooling:

The natural cooling and active cooling

functions are supported if the required

accessories are installed. Cooling is

provided via a heating circuit, e.g.

underfloor heating circuit, or via a sep-

arate cooling circuit, e.g. chilled ceiling

or fan convector.

■ DHW heating:

DHW heating using an external DHW

cylinder, and control of a DHW circu-

lation pump are possible.

■ Heat pump control unit:

All connected components are oper-

ated and controlled via the heat pump

control unit with plain text menus.

Note

These operating instructions also

describe functions that are only available

on some heat pump models or only with

accessories. These functions are not

specially identified.

For questions relating to the extent of

functions and accessories for your heat

pump and your heating system, check

with your local heating contractor.

Commissioning

The commissioning and matching up of

the heat pump control unit to local con-

ditions and to the structural characteris-

tics of the building, plus the instruction of

the user in operating the system, must

be carried out by your heating contrac-

tor.

Your system is preset at the factory

At the factory, the heat pump control unit

is set to "Heating and DHW".

Introductory information

Device description

5592 647 GB

Your heating system is therefore ready

for use:

Central heating/Central cooling

■ From 00:00 to 24:00 h your rooms are

heated to 20 °C "Set room temp."

(standard heating mode).

■ If a heating water buffer cylinder is

installed, it will be heated.

■ Cooling will be switched off.

■ Your heating contractor can make fur-

ther settings for you during commis-

sioning.

You can change any settings individu-

ally at any time to suit your require-

ments (see chapter "Central heating/

cooling").

DHW heating

■ Every day, DHW is heated from 00:00

to 24:00 h to 50 °C "Set DHW tem-

perature".

■ Any installed DHW circulation pump is

switched off.

■ Your heating contractor can make fur-

ther settings for you during commis-

sioning.

You can change any settings individu-

ally at any time to suit your require-

ments (see chapter "DHW heating").

Frost protection

■ Frost protection for your heat pump,

the DHW cylinder and any heating

water buffer cylinder that may be

installed is enabled.

Note

At temperatures below

−

20 °C, the

frost protection of the heat pump, the

DHW cylinder and the heating water

buffer cylinder is only ensured if an

instantaneous heating water heater is

installed on site.

Winter/summertime changeover

■ This changeover is automatic.

Time and date

■ The day and time were set by your

heating contractor during commission-

ing.

Power failure

■ All data is saved if there is a power

failure.

Terminology

The appendix contains a chapter entitled

"Terminology" to provide you with a bet-

ter understanding of the functions of your

heat pump control unit.

Introductory information

Your system is preset at the factory (cont.)

5592 647 GB

Utilise the setting options offered by the

heat pump control unit and the remote

control (if installed):

■ Never overheat your rooms. Every

degree by which the room temperature

is reduced saves up to 6% on heating

costs.

Never set your room temperature

higher than 20 °C (see page 25).

■ Heating system with radiators:

Heat your rooms to the standard room

temperature during the day and the

reduced temperature at night. Set the

time program for this. Select the time

phases according to your habits, e.g.

differently at the weekend to the week-

days.

■ Heating system with underfloor heat-

ing:

Underfloor heating systems are slow,

low temperature heating systems and

only respond very slowly to short term

temperature changes.

Therefore, heating to the reduced

room temperature at night and ena-

bling "Economy mode" during short

absences do not result in significant

energy savings.

■ For central heating/cooling, select the

operating program that meets your

current requirements:

– For short absences (a few hours,

e.g. shopping trips), select "Econ-

omy mode" (not for underfloor

heating systems; see explanations

above).

As long as economy mode is activa-

ted, the room temperature is

reduced.

– If you are going away, set the "Hol-

iday program" (see page 32).

As long as the holiday program is

activated, the room temperature is

reduced and DHW heating is off.

– In summer, if you do not want to heat

any rooms but do need DHW, select

the operating program "Only

DHW" (see page 34).

– If you don't want to heat the rooms

and don't require DHW for an exten-

ded period, select the operating pro-

gram "Standby mode" (see

page 22).

■ Never set the DHW cylinder tempera-

ture too high (see page 34).

■ Only activate the DHW circulation

pump for times when DHW is drawn off

regularly. Set the time program for this

(see page 38).

For additional energy saving functions of

the heat pump control unit, please con-

tact your heating contractor.

Introductory information

Energy saving tips

5592 647 GB

Further recommendations:

■ Correct ventilation.

Briefly open windows fully and at the

same time close thermostatic valves (if

no domestic ventilation system is

installed).

■ Close roller shutters (if installed) at

dusk.

■ Set thermostatic valves correctly.

■ Never cover radiators or thermostatic

valves.

■ Controlled DHW consumption: a

shower generally uses less energy

than a bath.

Introductory information

Energy saving tips (cont.)

5592 647 GB

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