Helios KWL Yoga Style 400 Notice De Montage Et D'utilisation page 63

Installation and Operating Instructions
m
DANGER
m
DANGER
m
WARNING
Decentralised ventilation unit – KWL
7�5 Resetting the electrical pre/post-heater
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Danger to life due to electric shock!
Touching live parts will lead to electric shock�
Before any servicing and maintenance work, isolate the unit from the power supply and secure against unin-
tentional restart!
The electrical post-heater or pre-heater reset to the power-on state by pressing the reset button.
The electrical post-heater must be reset first. The electrical pre-heater can then also be reset.
1. Press the reset button for the electrical post-heater (see Fig.29).
2. Press the reset button for the electrical pre-heater (see Fig.30).
7�6 Disassembly of heat exchanger
m Danger to life due to electric shock!
Touching live parts will lead to electric shock�
Before any maintenance or installation work or before opening the terminal compartment, the unit must be fully
isolated from the power supply and secured against unintended restart!
Installation and maintenance work may only be carried out by appropriate specialists�
m Risk of injury due to uncontrolled swinging of inspection cover!
The inspection cover is held by the hinges and
Once the screws are loosened, hold, support by hand, unlock and then carefully open the inspection cover�
1. Loosen and remove screws (8 pcs) on the bottom of the unit (see Fig.31).
® Yoga Style/KWL
Fig�29
�
shock absorbers
30
® Yoga Style ET
EN
Fig�30
Fig�31