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NT_51897201_RHE-AN_130516.docx
9. MAINTENANCE
Preliminary precautions
9.1
Wear appropriate IPE (Individual Protection Equipment) before any intervention
Respect the danger labels present on the various access doors :
Equipment switched on / Machine rotating / Filters covered with dusts potentially inflammable
Do not open the access doors without first switching off the electrical power supply with the padlockable
mains power switch present on the unit
If the work is to be performed inside the device, switch off the electrical power supply on the main circuit
breaker and make sure that no one can accidentally switch it on
Make sure that the moving parts are stopped
Servicing frequency
9.2
Respect at least the legal obligations. The table below gives for information the average maintenance
frequencies. It does not take into account special factors such as the installation indoor or outdoor, the
intensity of the atmospheric pollution, the number of occupants or the number of operating hours, etc.
Device
At commissioning
Every 6 months minimum
Filters
Check for cleanliness- clean
Remove dust or replace
Fans
Check connections - Check rotation
direction
Check for cleanliness and clean if
necessary
Exchanger
Check the rotation direction
Check for cleanliness and clean if
necessary
Check belt tension
Electrical connection box
Check the connections
Check the connections
Electrical heater
Check the connections
Remove dust
Water coil
Check water tightness
Check cleanliness and clean if necessary
Check the tightness - retighten the
connection if necessary
Droplet separator
Clean
Condensates dip tray
Check tightness/ flow
Clean
Pressure guard/ transitter
Check electric/ air duct connection
Check operation
Sensor
Check operation/ adjust if necessary
Check the functioning/ adjust if necessary
Flexible sleeves
Check the tightness
Change when necessary
Outdoor and Exhaust air
Check the installation
Clean
Duct networks
Check the tightness
Clean
Valves/ Diffusers/ Grill/
Plenum
Check connections tightness
Clean
