Helios MiniVent M1/100 Notice De Montage Et D'utilisation page 28

Installation and Operation Instructions
EN
CHAPTER 8
SERVICING/
MAINTENANCE
m
DANGER
m
WARNING
MiniVent M1/100/120
M1/..., Prinzip
M1/100/120 principle
N
L
1 75 m /h / 150 m
3
2 90 m /h / 170 m
3
m Danger to life due to electric shock!
All work on/in the unit may only be carried out by qualified personnel in accordance with chapter
„2�1 Personnel qualification" on page 3�
8�1 Servicing and maintenance
m The safety instructions in chapter 1�3 must be observed!
– Before any work, isolate the fan from the mains power supply and secure against being switched
on again!
– The units are basically maintenance-free, there is no provision for user-maintenance. Nevertheless,
all necessary
– Excessive deposits of dirt, dust, grease, etc. on the impeller, motor, protection guard and, above all,
between the housing and the impeller, are not permitted, as these can lead to an unbalance in the
impeller, overheating of the motor or the blocking of the impeller.
– In cases of longer periods of standstill, maintenance must be carried out when the unit is restarted.
The following must be checked:
• Secure mounting of the fan to the subsurface / system, replace in case of doubt
• Remove contaminant deposits
• Mechanical damage, decommission unit, replace damaged parts
• Tightness of screw connections, do not loosen screws in the process!
• Housing surface coating (e.g. rust, paint defects)
• Freewheeling of the impeller -> Is the impeller not running freely- see Fault causes 8.2
• Bearing noises
• Vibrations– see Fault causes 8.2
• Power consumption according to type plate - see Fault causes 8.2
/h
3
/h
3
maintenance work must be carried out by trained electricians!
12
SS-921
SS-921
M1~