Maico WS 470 Series Operating Instructions Manual page 38

UK | 2 Safety instructions
WARNING
!
Risk from operating with ven-
tilation unit not fully installed
(open unit / without duct
connections).
Running fans can be touched.
Electric components are a po-
tential source of electric shock.
Danger of burning on units with
a PTC heat register.
 Only operate ventilation unit
with all fitted duct connections
and when it is completely in-
stalled.
 Note safety instructions in
installation instructions.
CAUTION
!
Risk when using accessory
components which have not
been approved.
The ventilation unit is tested
and approved with original
accessory components.
 Retrofitting (bypass, PTC
heat register, heat exchanger
etc.) is only permitted with
original components.
 Other modifications and
alterations to the unit are not
permitted and release the
manufacturer from any
guarantee and liability.
38
CAUTION
!
Risk to health if ventilation
unit is not correctly cleaned/
maintained.
Specialist knowledge is needed
for proper cleaning and mainte-
nance of the ventilation unit.
 Have your ventilation unit
cleaned and maintained every
2 years by an authorised
specialist installer. This is the
only way of ensuring that the
ventilation unit is running
hygienically.
 If you have a maintenance
contract, your specialist instal-
ler will ensure regular device
cleaning and maintenance.
 You will find information
about maintenance in the com-
missioning and maintenance
instructions.