Fault Causes - Helios KWL EC 45 Montage- Und Betriebsvorschrift

Installation and operating instructions
WARNING
CAUTION
Unit KWL EC 45
6.2 Cleaning the heat accumulator and protection guard
WARNING!
The unit must be isolated from the mains power supply before any maintenance and installation work or befo-
re opening the terminal compartment!
The EcoVent Verso heat accumulator consists of an easy-to-clean ceramic stone. The ceramic heat accumulator can
be rinsed with water as part of the regular overall maintenance of the ventilation unit. Proceed as follows:
1. Remove entire inner panel from the wall or from the wall installation sleeve (fig.17).
2. Remove the 2-part connector (fig.18) and detach.
Remove
inner panel
3. Pull the fan unit from the wall installation sleeve using the pull-out tool (fig.19).
4. Remove lip seals (fig.20).
5. Remove the top EPP half shell labelled "TOP" (fig.20).
Fan unit
Pull-out tool
6. Keramik-Wärmespeicher aus der EPP-Halbschale entnehmen (Abb.21) und reinigen.
CAUTION!
Carefully remove the foam sealing tape (fig.21) before cleaning!
– rinse under warm water
Ceramic heat
accumulator
Protection
guard
6.3

Fault causes

fig.17
Remove connec-
tor
Connection cable not pictured!
fig.19
"TOP"
Foam sealing tape
10
Lip seal
Remove before cleaning!
Protection
guard
UK
fig.18
fig.20
fig.21