Service And Maintenance; Service And Maintenance Of Cross Counterflow Heat Exchanger - Helios AIR1 XC 500 L Notice De Montage Et D'entretien

Installation and Operating Instructions
CHAPTER 5
SERVICE AND
MAINTENANCE
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DANGER
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DANGER
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DANGER
Compact Ventilation Units AIR1 XC
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!
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�
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 Air ducts
3.1 Check accessible air duct sec-
tions 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 contaminati-
on, 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
5�3 Service and maintenance of cross counterflow heat exchanger
m
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�
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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