Helios RD 180, Инструкция по установке и эксплуатации

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Roof fans – RD/VD EC
Installation and Operating Instructions
EN EN
9
Before cleaning, isolate the fan from the mains power supply and protect against being switching on again!
– The disassembly of the unit or parts of the unit may be necessary for the cleaning.
This must be carried out by suitable specialist personnel cf. section 1.7!
– Clean fan flow area, impeller, struts and motor.
– Do not use aggressive cleaning agents that could damage the paintwork!
– High pressure cleaners or water jets are not permitted!
4�3 Information – Fault causes
The safety instructions specified in CHAPTER 1, section 1�3 must be observed!
The elimination of faults must only be carried out by specialist personnel, cf. section 1.7!
4�4 Spare parts
Only original Helios spare parts are to be used. All repairs may only be carried out by authorised specialist personnel/
companies.
ATTENTION
l m p r n
Error/fault Causes Solutions
Fan does not start
No voltage, phase missing Check mains voltage
Setpoint signal missing Check voltage
Impeller blocked Clear blockage, clean,
replace impeller if necessary
Motor blocked Check motor, replace if necessary
Fuse tripped
Shorted coil/ground fault in motor Replace motor
Supply line/connection damaged Replace parts, replace motor if necessary
Connected incorrectly Check connection, change
Residual current device
tripped
Motor insulation damaged Replace motor
Supply line insulation damaged Replace supply lines
Motor protection
switch triggered
Tight bearings Replace bearings
Impeller touching Clean, replace impeller if necessary
Incorrect operating point Check suitability of fan, Check/keep inflow
and outflow clear
Motor dirty Clean
Vibrations Contamination Clean
Bearing damage Replace bearings
Incorrect operating point Check suitability of fan, Check/keep inflow
and outflow clear
Attachment-related resonance Check or repair attachment, use vibration
damper
Impeller imbalance Rebalancing by a specialist company
Error/fault Causes Solution
Abnormal noises Incorrect operating point Check suitability of fan, Check/keep inflow
and outflow clear
Impeller touching Clean, replace if necessary
Bearing damage Replace bearings
Mechanical damage Perform maintenance
Current consumption
too high
Incorrect operating point Check suitability of fan, Check/keep inflow
and outflow clear
Impeller touching Clean, replace if necessary
Bearing damage Replace bearings
Fan does not perform
(speed)
Incorrect operating point Check suitability of fan, Check/keep inflow
and outflow clear
Incorrect voltage Check connection/change
Incorrect setpoint signal Check voltage
Bearing damage Replace bearings
Contamination Clean
Insufficient backflow Enlarge backflow openings
Temperature-dependent speed reduc-
tion active
Check air flow temperature or ambient
temperature for permissible limit values (see
type plate)