Service And Maintenance - Helios AIR1-EVH RH Série Notice De Montage Et D'entretien

Installation and Operating Instructions
EN
CHAPTER 3
SERVICE AND
MAINTENANCE
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WARNING
Electrical pre-heater AIR1-EVH RH
8. Open terminal box cover. Check cable thickness for power connection. Connect the cables to the terminals and
close the terminal box cover (see Fig. 10).
The cable connections can be found in the wiring diagrams in the corresponding installation and operating
instructions for the AIR1 RH unit!
9. Connect the other cable end of the terminal box of the electrical pre-heater to the correct connection terminal in the
terminal box of the AIR1 unit.
See the corresponding wiring diagrams in the installation and operating instructions for the AIR1 RH unit!
10. After installing the heating register, adjust the settings in the commissioning assistant. For this purpose, please
refer to corresponding chapter in the installation and operating instructions for the respective AIR1 ventilation unit.
3 .0

Service and maintenance

Cleaning and maintenance work may only be carried out by an electrician.
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Danger to life!
The unit must be fully isolated from the mains power supply before all maintenance and installation work and
opening the terminal compartment!
Danger of electric shock, moving parts (fan) and hot surfaces .
The electrical pre-heater must be checked for dirt and damage every 6 months. If there is dirt and dust on the electri-
cal pre-heater, these can be removed with air.
– When cleaning, it must be ensured that the electrical pre-heater is not damaged.
– Disconnect sensor connection before removing the electrical pre-heater .
– Loosen the screws and remove the electrical pre-heater.
Fig .10
Fig .10
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