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Settings
4.3
Selecting the fan stage
From the home screen, you can use the Touch-Wheel to select fan
stages 0, 1 and 2. The set value is accepted without you having to
press a button to confirm it.
You cannot activate intensive ventilation with the Touch-Wheel.
To switch on intensive ventilation, press the "intensive ventilation"
button for approx. one second. When intensive ventilation is acti-
vated, the "intensive ventilation" indicator illuminates.
You can activate intensive ventilation with an external pushbutton
or with the "intensive ventilation" button. You can only deactivate
intensive ventilation with the "intensive ventilation" button.
4.4
Activating time programs
The "time" symbol indicates that time programs are activated.
If the time programs are not activated, turn the Touch-Wheel
clockwise to switch from the home screen. After fan stage 2, the
fan stage set in the time program appears along with the "time"
symbol.
Note
If you switch the appliance to time program operation,
time programs must be entered in the "prog" menu. Oth-
erwise the appliance continues to run without a time limit
in set fan stage 2.
Enter the time program settings in the menu.
At times where there is no time program defined, the appliance
runs in set fan stage 2.
4.5
Menu
Display
Description
„
P1 - Pxx Parameter
„
I1 - Ixx
Actual values
„
Pro
Programs
„
Cod
Entry of the code for unlocking protected parameters and actual
values
f To access the parameters, press the "MENU" button.
The "HOME" button takes you to the standard display. If you have
not changed any settings for a while, the appliance automatically
switches back to the standard display.
4.5.1 Parameter
Description
Options
P1 Set room temperature
P2 This parameter defines
the runtime for inten-
sive ventilation. After
this time has expired,
the appliance returns
to the previously appli-
cable fan stage.
P3 Bypass mode
0 | 1 | 2 | 3
P4 Reset filter
1 | 0
P28 Enable fan
On | OFF
P80 Day
P81 Time
P82 Level of lighting
6
| VRC-W 400 (E)
All manuals and user guides at all-guides.com
In order to set the parameter, you must first make it editable by
pressing the "OK" button. Then you can change the value with
the Touch-Wheel. If you do not press the "OK" button to make the
parameter editable, activating the Touch-Wheel causes the next
parameter to be displayed.
Press the "OK" button to save the set value for a parameter. If you
do not confirm the parameter change with the "OK" button, your
change will be lost.
„P1: Set room temperature
Use this parameter to set the outside temperature from which
the bypass damper ensures that outdoor air bypasses the heat
exchanger and flows directly into the building.
„P3: Bypass mode
P3 = 2 : Bypass with summer day detection
For the bypass to be activated, the following condition must apply
for 60 minutes: Outdoor air temperature > Set room temperature
+ P27
If all the following conditions are met, the appliance switches to
bypass mode.
Unit min. max. Stand-
- Outdoor air temperature < Extract air temp. - P26
ard
°C
5
28
20
- Extract air temp. > Set room temperature
Min.
1
240
30
If one of the following conditions is met, the appliance terminates
bypass mode.
- Outdoor air temperature < P25
- Outdoor air temperature > Extract air temp. - P26
- Extract air temp. < Set room temperature
2
On
1
7
00:00 23:59
2
10
10
Description
Options
P83 Mode of backlighting
Auto | On | OFF
P84 Illumination duration
P85 Lower standard display OFF | Time | Set
room temperature |
Extract air temp. |
Extract air humidity
Effect
0
The bypass is permanently disabled. Air flows through the heat exchang-
er.
1
The bypass is active. The air flow bypasses the heat exchanger.
2
The bypass operates with summer day detection. This option is set in the
delivered condition.
3
The bypass operates subject to the extract air temperature.
Note
The qualified contractor can set the parameters men-
tioned in the description of this parameter.
P24: Bypass enable temperature
P25: Bypass blocking temperature
P26: Bypass hysteresis
P27: Temperature differential for enabling the bypass
Unit min. max. Stand-
ard
Auto
s
10
500
60
OFF
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