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Installation and Operating Instructions
CHAPTER 5
SERVICE AND
MAINTENANCE
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DANGER
m
WARNING
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m
DANGER
Central ventilation units AIR1 XVP
5�1
Service and maintenance
The filter change is usually carried out by the user. Additional cleaning and maintenance work may only be carried out
by an electrician.
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Danger to life! due to electric shock!
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 (fans) and potentially hot surfaces of optional auxiliary hearing registers�
m
Risk of personal injury and material damage!
Internal sheet metal parts have sharp edges and notches that can cause scratches/injuries during installation
and maintenance of the unit and/or accessories�
– The installation and maintenance of the unit may only be carried out by qualified specialist personnel.
– Suitable protective equipment must be worn.
5�2
Maintenance plan
The unit must be fully isolated from the mains power supply before all maintenance and installation work and
opening the terminal compartment! The electrical connections must be carried out in accordance with the
relevant wiring diagram and must only be carried out by qualified electricians� The electrical connection must
be fully isolated until the final assembly!
The unit must be regularly inspected for the subsections in the following maintenance plan:
Art� Activity
1
Outside air and exhaust air outlets
1.1
Check for contamination, damage
and corrosion
2
Air filters
2.1
Check for unacceptable conta-
mination and damage (leaks) and
odours
3
Luftleitungen
3.1
Check accessible air duct secti-
ons for damage
3.2
Check two or three representative
locations on inner air duct surface
for contamination, corrosion and
condensation
4
Fan
4.1
Check for contamination, damage
and corrosion
5
Heat exchanger (incl� cross counterflow heat exchanger)
5.1
Visual inspection of cross coun-
terflow heat exchanger for conta-
mination, damage and corrosion
5.2
Heating register: Check for conta-
mination, damage, corrosion and
seal tightness
5.3
Cooling register (optional): Check
register, droplet separator and
condensate tray for contamina-
tion, damage, corrosion and seal
tightness
5.4
Check condensation outlet and
siphon for functionality
6
Housing
6.1
Check for unacceptable conta-
mination and damage (leaks) and
odours
Measure (if required)
Clean and repair
Replace affected air filters
Repair
Inspect duct system in
other locations, decide on
cleaning requirement (not
just visible section!)
Clean and repair
Clean, repair
Clean and repair, replace
Clean and repair
Clean and repair
Clean and repair
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3
6
12
months
months
months
months
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EN
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