Spare Parts; Standstill And Disposal - Helios B AVD Série Notice De Montage Et D'utilisation

Installation and Operating Instructions
Fault/problem Possible causes
Impeller touching – Strong contamination
– Impeller damaged
– Casing damaged
– Impeller not central
Incorrect air flow di- – Incorrect installation
rection
– Incorrect connection
– Contamination
Vibrations
– Bearing damage
– Incorrect operating point
– Attachment-related resonance
Abnormal noises – Incorrect operating point
– Impeller touching
– Bearing damage
– Mechanical damage
Current consumption – Incorrect operating point
too high
– Impeller touching
– Bearing damage
Fan does not perform – Insufficient air delivery
(speed)
– Impeller touching
– Bearing damage
– Contamination
– Insufficient backflow
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ATTENTION
m
WARNING
nm
Smoke Exhaust Fans F300/F400/F600 – B AVD and B VAR
4 .4

Spare parts

Defective fans are to be completely exchanged . Own repair attempts are strictly prohibited!
A defective smoke exhaust fan must be returned to the Helios Ventilatoren factory!
Optimal operational safety of the fans is only guaranteed with Helios spare parts and repair by the manufacturer.
4 .5

Standstill and disposal

m
WARNING
When dismantling, live parts can be exposed, which can result in electric shock if touched . Before dismant-
ling, isolate the fan from the mains power supply and protect against being switching on again!
The generally applicable safety at work and accident prevention regulations must be observed!
– Electrical work must only be carried out by an authorised electrician
– Fully isolate electrical connection from mains power supply
– Use appropriate lifting equipment and fastening devices to dismantle the fan
– Observe the instructions in the electric motor maintenance manual for decommissioning the motor
– Dispose of the fan components according to the valid rules and laws
Possible solutions
Clean
Replace impeller
Replace casing
Contact Helios customer service
Correct installation situation
Check/change connection
Clean
Replace bearing
Check suitability of fan, Check/keep inflow
and outflow clear
Check or repair attachment, use vibration
damper
Check suitability of fan, Check/keep inflow
and outflow clear
See Impeller touching
Replace bearing
Perform maintenance
Check suitability of fan, Check/keep inflow
and outflow clear
See Impeller touching
Replace bearing
Check/keep inflow and outflow clear. Determine
operating point (air volume + system pressure
loss) and compare with fan characteristic curve
Check/change connection
Replace bearing
Clean
Consider minimum distance on intake-side
15
Personnel qualification
Instructed personnel
Manufacturer
Manufacturer
Specialist according to section 1.6
Electrician
Instructed personnel
Manufacturer or specialist company
authorised by manufacturer
Specialist according to section 1.6
Specialist according to section 1.6
Specialist according to section 1.6
Manufacturer or specialist company
authorised by manufacturer
Specialist according to section 1.6
Specialist according to section 1.6
Manufacturer or specialist company
authorised by manufacturer
Specialist according to section 1.6
Electrician
Manufacturer or specialist company
authorised by manufacturer
Instructed personnel
Specialist according to section 1.6
EN