Access To Internal Terminal Box - Helios KWL EC 500 W ET R Notice De Montage Et D'utilisation

Installation and Operating Instructions
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ATTENTION
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ATTENTION
Compact wall-mounted units KWL EC 500 W ET R/L
3 .3 Condensation outlet
In connection with maintenance, make sure that the condensation outlet in the bottom reservoir is not
clogged (section 2.3). You may check it by pouring a little water into the siphon.
Do not let water flow into electrical parts!
The condensation outlet must be cleaned once every year!!
3 .4

Access to internal terminal box

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Only carry out the work with EMC protection, otherwise EMC damage can occur!
Open and remove both upper snap-in hooks on the front cover. Loosen the screws on the terminal box cover (Fig.31)
and remove cover. This guarantees free access to the electronic components (battery, fuse, etc. (Fig.32)). The power
unit is completely interchangeable! The terminal box cover is located on the right side of right-hand units, and the left
side of left-hand units.
3 .5 Removal of motor unit using the example - supply fan -
1. In order to remove the motor units, loosen the wing nuts underneath (Fig.33), pull motor unit up and tilt out of the slot
(Fig.34). Then separate the electrical cable.
Fig .31
Fig .33
11
Microfuse
5x20 mm
Fuse
T4A / 250
Battery
5x20 mm
F2A / 250
Power unit
EN
Fig .32
Fig .34