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Commissioning
Terminal
1
I²C bus
2
3
4
5
6
7
8
9
Not assigned
10
11
12
13
Intensive ventilation switch-
ing contact
14
15
Not assigned
16
17
Not assigned
To connect an electrical cable in the control panel:
f Open an "entry for electrical cables" at the knock-out.
f Use an M12 cable fitting to seal the "entry for electrical
cables".
Intensive ventilation switching contact
You can connect a floating switching contact, the actuation of
which switches the appliance to intensive ventilation. You can set
the runtime for intensive ventilation in parameter P2. After this
time has expired, the appliance returns to the previously appli-
cable fan stage.
f Connect the external pushbutton to terminals 13/14.
External programming unit
The programming unit is connected with an I²C bus.
11. Commissioning
WARNING Injury
!
If the unit is switched on without the air ducts connected
and someone reaches through the air connectors into the
unit, there is a risk of injury.
Do not commission the unit until the air ducts are firmly
connected to it.
Material losses
!
Never operate the appliance without filters.
Material losses
!
Never operate the ventilation system if there are high lev-
els of dust inside the building or outside in the immediate
vicinity, as this could block the filter. Dust is created by
cutting tiles or working with plasterboard, for example.
16
| VRC-W 400 (E)
All manuals and user guides at all-guides.com
Safety extra low voltage
SCL External programming unit
SCL
GND External programming unit
GND
+5 V DC External programming unit
+5 V DC
SDA External programming unit
SDA
Floating
GND 0.5 mA max.
+5 V
Floating
Floating
11.1 Initial start-up
f To access the parameters, press the "MENU" button.
Display
Description
„
P1 - Pxx Parameter
„
I1 - Ixx
Actual values
„
Pro
Programs
„
Cod
Entry of the code for unlocking protected parameters and actual
values
f Enter 1000 to enable actual values and parameters which are
reserved for qualified contractors.
Enable fan
The fans are deactivated in the delivered condition.
f P28 : Set the parameter to "On".
Setting air flow rates
f Use parameters P6 to P9 to set the air flow rates for the fan
stages.
Date
f Set the current day of the week.
P80
1
2
3
4
5
6
7
Time
f Set the current time.
P81
00:00 - 23:59
11.2 Recommissioning
f Check whether filters are fitted in the appliance. Never oper-
ate the appliance without filters.
f Check whether the condensate drain hose is damaged or
kinked.
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
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