Viessmann VITOVENT 300 Operating instructions
Operating instructions
for the system user
VIESMANN
Domestic ventilation system with heat recovery
for a max. air flow rate 180 m3/h, 300 m3/h, 400 m3/h
VITOVENT 300
5592 694 GB 1/2011 Please keep safe.
2
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 has not been designed to
be operated by individuals (including
children) with limited physical, sensory
or mental capacities or who are lacking
in the appropriate experience and/or
knowledge, unless they are supervised
by a person with responsibility for their
safety or were instructed by that person
in the operation of this appliance.
!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 safe operation at risk.
■ Ensure ambient temperatures
in excess of 2 ºC and lower
than 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 694 GB
3
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 694 GB
4
Introductory information
Device description................................................................................................ 6
■Domestic ventilation system............................................................................. 6
■Heat recovery.................................................................................................... 6
■ Bypass.............................................................................................................. 6
■Frost protection 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.............................................................................. 9
■Functions.......................................................................................................... 9
■Symbols on the display..................................................................................... 10
Selecting ventilation operating mode
System shutdown................................................................................................. 11
■9 "Standby mode"............................................................................................ 11
Selecting the operating mode............................................................................... 11
Selecting an operating program........................................................................... 12
Settings
Changing the operating settings........................................................................... 14
Setting an individual time program (P2)............................................................... 14
■ Setting switching points for the ventilation periods........................................... 14
■ Example............................................................................................................ 15
■ Deleting switching points.................................................................................. 17
Reducing the ventilation stage for several days................................................... 18
■ Setting a holiday program (start and end time)................................................. 18
Changing the ventilation stage for a few hours only............................................ 19
■ Automatic reset of the temporarily changed ventilation stage.......................... 19
■ Resetting a temporarily changed ventilation stage manually............................ 20
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
Index
5592 694 GB
5
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 the holiday program.............................................................................. 26
What to do if...
"FILTER CHECK" is displayed............................................................................. 27
"FAULT F2/F5/F9/F10" alternates with "CALL SERVICE" on the display............ 27
Maintenance
Cleaning............................................................................................................... 28
Cleaning the ventilation/extract air valves............................................................ 28
Replacing filter mats and extract air filters........................................................... 29
■ Message in the remote control.......................................................................... 29
■ Replacing extract air filters................................................................................ 30
■ Cleaning or replacing filter mats....................................................................... 31
Keyword index.................................................................................................... 34
Index
Index (cont.)
5592 694 GB
6
Domestic ventilation system
The domestic ventilation system compri-
ses the central ventilation unit
Vitovent 300, an air duct system with
silencers for outdoor air/ventilation air
and extract air/exhaust 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 preheats the
fresh outdoor 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 outdoor air is routed past the heat
exchanger, so that in summer the cool
outdoor air is not heated by the extract
air.
However, a bypass cannot achieve the
same efficiency as active cooling.
Frost protection circuit
With heat recovery, the extract air is
cooled in the countercurrent heat
exchanger, which creates condensate.
The frost protection prevents the extract
air side of the countercurrent heat
exchanger from icing up as a result of
this condensate.
With this frost protection, the outdoor air
flow rate is regulated subject to the out-
door air temperature and the pressure at
the heat exchanger. Initially, the outdoor
air flow rate is reduced to defrost the heat
exchanger.
Introductory information
Device description
5592 694 GB
7
Subject to the thickness of the ice, the
extract air flow 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 frost protection from
responding, link an electric preheater
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:
m
■ Constant normal ventilation:
s
■ Constant raised ventilation:
g
■ 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 694 GB
8
The remote control is factory-set to oper-
ating program "P1". Your domestic ven-
tilation system is now ready for opera-
tion:
Monday to Friday
■ 6:00 to 22:00 h:
Normal ventilation
Display: "P1 NORMAL"
■ 22.00 to 6.00 h:
Reduced ventilation
Display: "P1 REDUCED"
Saturday and Sunday
■ 07:00 to 23:00 h:
Normal 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 694 GB
9
Opening the remote control
P1
P2 P3
MENU
1234567
PERM KOMFORT
RES
Functions
P1 P2
MENU
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 (see
page 11)
EConfirmation
FTerminating entries
GInformation (see page 24)
HReset (only for language, time and
date) (see page 23)
KFan operating display
LPossible displays (see page 21)
Where to find the controls
Summary of controls and indicators
5592 694 GB
10
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
C
D
A
B
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 a time slot
graphic
Where to find the controls
Summary of controls and indicators (cont.)
5592 694 GB
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