Chapter 6 Servicing And Maintenance; Servicing And Maintenance; Replace Filter; Cleaning The Heat Accumulator And Protection Grille - Helios EcoVent Verso KWL EC 45-160 Notice De Montage Et D'utilisation

Installation and Operating Instructions
CHAPTER 6
SERVICING AND
MAINTENANCE
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DANGER
m
WARNING
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DANGER
Unit with inner panel – KWL EC 45-160
5 .1 Open and close inner panel
– Open inner panel
Turn the inner panel counterclockwise, two full rotations, until it locks into position (see Fig. 13).
– Close inner panel
Turn the inner panel clockwise, two full rotations, until it locks into position (see Fig. 14).
Open inner
panel by
turning
6 .0

Servicing and maintenance

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Danger to life due to electric shock!
Touching live parts will result in electric shock .
Isolate the unit from the mains power supply and secure against being switched on again before any service
and maintenance work!
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Risk of injury!
The rotating impeller can crush fingers .
Isolate the unit from the mains power supply and secure against being switched on again before any service
and maintenance work!
If the ventilation unit is not operated over a longer period, servicing must be carried out upon recommissioning.
The following measures must be observed and implemented for the servicing:
– Check filter for contamination → Replace filter, if necessary
– Remove dirt deposits on all unit components (e.g. on protection grille)
– Visual inspection for damaged parts → Replace damaged parts, if necessary
– Check free movement of impeller. If impeller is blocked, see fault causes (section 6.3 "Fault causes").
6 .1

Replace filter

Filter replacement is indicated on the controller by flashing LEDs for all ventilation levels.
Please proceed as follows to replace the filter:
1. Remove inner panel (see Fig. 15).
2. Remove filter and replace with new filter (see Fig. 16).
Filter available as accessory: ELF-KWL 160/3/3 (Ref . no . 09366)
3. Replace inner panel. Make sure that the inner panel is inserted with the opening to the top.
4. Press both buttons on the controller for longer than two seconds to confirm the filter replacement.
6 .2

Cleaning the heat accumulator and protection grille

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Danger to life due to electric shock!
Isolate the unit from the mains power supply before any installation work or opening the terminal compartment!
The heat accumulator consists of a ceramic stone which is easy to clean. This can be rinsed with clear water for clea-
ning. Please proceed as follows:
Fig .13
Close inner
panel by
turning
Fig .15
Remove
inner panel
8
EN
Fig .14
Fig .16
Replace
filter