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4. Operation
4.1 General
A product from the WRG 180 EC range is a
highly developed heat recovery fan, which,
thanks to the latest electronic controller,
combines minimum energy consumption and
maximum comfort in a single unit. A micro-
processor controller guarantees the safe
operation of the fan and ensures that the
defined air volume values remain constant.
The WRG 180 EC is equipped with an
operating panel with display. This makes it
possible to make a continuous air volume
adjustment and to read off the operating data
without opening the ventilation unit.
4.2 LED display system and operating
panel
The WRG 180 EC is equipped with an
operating panel. This is used to call up and/or
modify settings.
The operating panel has four buttons and a
display.
1
Display
2
"OK" button (confirm, ready, reset filter
status display)
3
"Increase parameter value" button
4
Function button
5
"Lower parameter value" button
The lefthand area of the display shows the
ventilation level or the parameter type. The
righthand area shows the read-out value, e.g.
the defined air volume.
Example:
From the display, you can read off that the
unit is operating at ventilation level 3, with a
3
flow rate of 150 m
/h.
The 4 buttons have the following functions:
F
Function button / Switch parameter
menu on and off
+
Next parameter / Increase value
-
Previous parameter / Lower value
OK Switch setting menu on and off /
manual error reset / filter status display
reset
Further commands can be entered with
button combinations.
F and + (set)
Confirm parameter value
F and - (reset) Reset parameter value back
to factory setting
OK and + (ON) Switch on unit
OK and - (OFF) Switch off unit
In the case of an operating procedure carried
out using function buttons, the corresponding
button is identified by quote marks and bold
print in the manual.
Example: - Press "OK" button
7
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