Each time the button is pressed, the
ventilation unit switches down a level:
● Ventilation level 3
● Ventilation level 2
● Ventilation level 1/Continuous operation
● Ventilation level 1/Interval operation
4.2.3 Switching off the ventilation unit
1. Press the ▼ button as many times as
necessary for all three LEDs to be
switched off and no longer flash.
The fans switch off. The ventilation unit is
in standby mode.
If the switch-off function is
deactivated, the ventilation unit
cannot be switched off (no OFF
level).
When the main switch [6] is in the
"Off" position, the ventilation unit is
fully disconnected from the mains.
4.2.4 Timer RESET for filter replacement
interval
Filter replacement prompt is
displayed on the room air control
every 3 months. We recommend
replacing the filter every 6 months at
the latest. Filter replacement is
simple and requires no tools.
1. Replace the air filter as described in
Chapter 6.2.
2. Press the ▲ and ▼ buttons at the same
time for about 2 seconds.
All 3 LEDs flash briefly. The filter replacement
interval timer counter is reset to 0.
If the filter is replaced before the filter
replacement interval, the ▲ and ▼
buttons must be pressed at the same
time for around 10 seconds to reset
the timer.
4.2.5 The meaning of the LEDs
For faults and their rectification
Chapter 7.
Ventilation unit in
standby mode.
LED 1, 2 or 3 lit
continuously.
Indicates reduced
ventilation, nominal
ventilation or intensive
ventilation.
LED 1 flashes
regularly,
at short intervals.
Interval operation
or frost protection
ventilation.
The selected
ventilation level LED
flashes regularly at
longer intervals.
Replace the filter.
The 3-month filter
replacement interval
has elapsed.
All 3 LEDs
flash regularly at
longer intervals
Fault. To rectify
Chapter 7.
4.3 Digital RLS D1 WR
room air control
For detailed information about functions and
settings RLS D1 WR assembly and opera-
ting instructions. The operating programmes
REDUCED, NORMAL, PARTY, P1 and P2
are described in more detail here.
4.3.1 Bypass
For setting the bypass parameters RLS D1
WR assembly and operating instructions.
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