Viessmann VITOVENT 300 Manuale utente

Operating instructions

for the system user

VIESMANN

Domestic ventilation system with heat recovery

For max. air flow rate 180 m3/h, 300 m3/h, 400 m3/h

VITOVENT 300

5592 578 GB 4/2010 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 room conditions

!Please note

Incorrect ambient conditions can

lead to system damage and can

put the safe operation at risk.

■ Ensure ambient temperatures

above 0 ºC and below 35 ºC.

■ Prevent air contamination by

halogenated hydrocarbons

(e.g. as contained in paints,

solvents or cleaning fluids) and

excessive dust (e.g. through

grinding/polishing work).

Safety instructions

For your safety

5592 578 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 578 GB

Introductory information

Device description................................................................................................ 6

■Domestic ventilation system............................................................................. 6

■Heat recovery.................................................................................................... 6

■ Bypass.............................................................................................................. 6

■Ice guard circuit................................................................................................. 6

■ Remote control.................................................................................................. 7

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

Your system is preset at the factory..................................................................... 8

Where to find the controls

Summary of controls and indicators..................................................................... 9

■Opening the remote control unit........................................................................ 9

■ Functions.......................................................................................................... 9

■Symbols on the display..................................................................................... 10

Selecting ventilation operating mode

Switching the system off....................................................................................... 11

■9 "Standby mode"............................................................................................ 11

Selecting the operating mode............................................................................... 11

Selecting the operating program.......................................................................... 12

Settings

Changing the operating settings........................................................................... 14

Setting an individual time program (P2)............................................................... 14

■ Setting switching points for ventilation times.................................................... 14

■ Example............................................................................................................ 15

■ Deleting switching points.................................................................................. 17

Reducing the ventilation stage for several days................................................... 18

■ Setting a holiday program (start and end times)............................................... 18

Changing the ventilation stage for a few hours only............................................ 19

■ Automatic reset of the temporarily modified ventilation stage........................... 19

Changing the bypass function.............................................................................. 20

Further adjustments

Time and date...................................................................................................... 21

Display version..................................................................................................... 21

Language............................................................................................................. 22

Standard settings / Reset..................................................................................... 23

■ Standard settings (remote control).................................................................... 23

■ Reset................................................................................................................. 23

Index

5592 578 GB

Scanning options

Scanning temperatures and further settings........................................................ 24

Scanning time programs...................................................................................... 25

■ Scanning current times for program "P1".......................................................... 25

■ Scanning switching times for program "P2"...................................................... 25

Scanning holiday program.................................................................................... 26

What to do if...

"FIL" appears on the display................................................................................ 27

"FAULT F2/F5/F9/F10" is shown alternately on the display with "CALL SERVICE" 27

Maintenance

Cleaning............................................................................................................... 28

Cleaning the ventilation/extract air valves............................................................ 28

Replacing filter mats and extract air filter............................................................. 30

■ Replacing extract air filter................................................................................. 30

■ Message in the remote control.......................................................................... 30

■ Cleaning or replacing filter mats....................................................................... 31

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

Index

Index (cont.)

5592 578 GB

Domestic ventilation system

The domestic ventilation system compri-

ses the central ventilation unit Vitovent

300, a duct system with silencers for out-

side air/ventilation air and extract air/

expelled air, as well as air outlets for

ventilation and extract air.

Fresh air enters the living rooms and

bedrooms via ventilation air apertures.

Stale air from rooms where moisture and

odours are created (e.g. kitchen, bath-

room, WC) is routed away via the extract

air apertures.

Heat recovery

The extract air is routed through a coun-

tercurrent heat exchanger for the pur-

pose of heat recovery. This pre-heats the

fresh outside air without coming into

direct contact with the stale extract air.

To ensure heat recovery is as effective

as possible, keep windows and doors

closed while heating. This also applies to

doors to ancillary and cellar rooms that

are not included in the domestic ventila-

tion scheme.

Bypass

Appliances with a maximum air flow rate

of 300 m3/h and 400 m3/h have an inte-

gral temperature-controlled, motorised

bypass damper.

Subject to the outside temperature, this

bypass switches automatically between

operation with and without heat recov-

ery.

In operation without heat recovery, all

the outside air is routed past the heat

exchanger, so that in summer the cool

outside air is not heated by the extract

air.

However, a bypass cannot achieve the

same efficiency as active cooling.

Ice guard circuit

With heat recovery, the extract air is

cooled in the countercurrent heat

exchanger, which creates condensate.

The ice guard circuit prevents the extract

air side of the countercurrent heat

exchanger from icing up as a result of

this condensate.

With this ice guard circuit, the outside

and extract air flow rates are regulated

subject to the outside air temperature

and the pressure at the heat exchanger.

Initially, the outside air flow rate is

reduced to defrost the heat exchanger.

Introductory information

Device description

5592 578 GB

Subject to the thickness of the ice, the

outside flow rate can be stopped com-

pletely. At regularly decreasing intervals,

the appliance control unit checks

whether the ventilation air fan can be

switched back on again.

To prevent the ice guard circuit respond-

ing, link an electric pre-heater bank

(accessory) or a geothermal heat

exchanger (on-site) into the domestic

ventilation system.

For a passive house, we generally rec-

ommend using a geothermal heat

exchanger.

Remote control

You can make all required settings at the

remote control.

The following operating programs are

available:

■ Constant reduced ventilation:

■ Constant standard ventilation:

■ Constant raised ventilation:

■ Operation according to time program:

"P1": Preset unchangeable time pro-

gram

"P2": Individually adjustable time pro-

gram

Display

The display either shows the current time

or the room temperature, the operating

program and messages (e.g. to change

the filter).

Commissioning

Commissioning and adjusting the

domestic ventilation system to suit local

conditions and the physical characteris-

tics of the building, plus instructions on

how to operate the system, must be car-

ried out by your heating contractor.

Introductory information

Device description (cont.)

5592 578 GB

The remote control is factory-set to oper-

ating program "P1". Your domestic ven-

tilation system is therefore ready for

use:

Monday to Friday

■ 6:00 to 22:00 h:

Standard ventilation

Display: "P1 NORMAL"

■ 22.00 to 6.00 h:

Reduced ventilation

Display: "P1 REDUCED"

Saturday and Sunday

■ 7:00 to 23:00 h:

Standard ventilation

Display: "P1 NORMAL"

■ 23.00 to 7.00 h:

Reduced ventilation

Display: "P1 REDUCED"

Introductory information

Your system is preset at the factory

5592 578 GB

Opening the remote control unit

P2 P3

1234567

PERM KOMFORT

RES

Functions

P1 P2

RES

NORMAL

1 2 3 4 5 6 7

A B C D

EFGHKL

AFlap open

BWeekdays (1 ≙ Monday etc.)

CChanging the settings

DRotary program selector

(page 11)

EConfirmation

FTerminating entries

GInformation (page 24)

HReset (only for language, time and

date) (see page 23)

KFan operating display

LPossible displays (page 21)

Where to find the controls

Summary of controls and indicators

5592 578 GB

Symbols on the display

These symbols are not always dis-

played, but appear subject to the oper-

ating condition.

Flashing displays indicate that modifica-

tions can be made.

PROG

P2 STANDARD

0 3 6 9 12 15 18 21 24

F E

1234567

AWeekdays (1 ≙ Monday etc.)

BMenu line:

UBypass function

uTime and date

PROG Individual time program P2

jHoliday program

ÄService settings

CText line

Display subject to menu level and

display of messages

DFan operating display

EDisplay subject to display version

Version 1: Room temperature

Version 2: Time (delivered condi-

tion)

FVentilation time of the selected time

program, shown as slot graphic

Where to find the controls

Summary of controls and indicators (cont.)

5592 578 GB

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