Maintenance (Expert) - Helios HygroBox KWL Series Installation And Operating Instructions Manual

18 Maintenance (expert)

Maintenance may only be performed by expert
personnel. Once the Service display message
appears, the following tasks should be performed:
1. Before opening the device, pull
out the mains plug and secure
against reactivation.
Never look directly into the lit UVC light
source without eye protection.
2. Remove the cover for the UVC pipe together
with both screws.
Screws/cover
Sharp plate edges (risk of injury).
3. Pull out the UVC pipe by 5 cm, remove the
connecting plug and dispose of the UVC
pipe in an environmentally sound manner.
Connecting plug / UVC pipe
Mains plug
4. Remove both screws on the device cover
and lift the cover.
Screws, cover
Sharp plate edges (risk of injury).
5. Fold down the front panel of the casing and
lift the inner cover.
Only handle the rotor with gloves, the
blades have sharp edges (risk of injury).
6. Lift out the rotor. (If the motor coupling jams,
carefully turn the rotor into the right position
by hand)
Electrical terminal
compartment
Electrical terminal
compartment
26