5
7. Troubleshooting
Fans that operate in the stall
area are more likely to suffer
breakdowns.
Check for the below faults in case of
breakdowns or lack in performance. Call
for service, if problems persist.
Lack in performance
•
Blocked
–
Inlets
–
Outlets
–
Dampers
•
Supply air reduced
•
Motors defective
•
Motors disconnected
•
Wrong fan rotation direction
Noises and vibrations
•
Motor bearings defective
•
Impellers out of balance
•
Impellers damaged or worn
•
Bolts or components loose
•
Fan operates in stall condition,
which may lead to damage.
•
Aged or ruptured vibration
dampers
8. Inspection and test
It is recommended to test and inspect the
fans at regular intervals with regard to
operability and operation conditions.
Inspect the fans twice a year to ensure
satisfactory function and long life.
Extent of inspection
•
Measure power consumption
•
Verify torques of fixation bolts
•
Cleaning
–
inside with pressurised air
–
outside with a lint-free cloth with
a mild soapy water solution
•
Visual inspection
–
Rotors
–
Fan casings
–
Electrical connections
Enter all values and observations in a
log.
9. Sound
The sound emissions depend on the
installation and operation conditions,
hence no general data can be given.
Refer to the fan specifications from the
AirBox calculation program for specific
emissions and to the product catalogue
for more general data.
10. Safety
The installation must be in accordance to
Novenco
’s, the current and the local
safety regulations. At a minimum these
include EN 13850.
It is recommended to review and revise
safety procedures regularly.
Safety check
•
Test if safety procedures and the
installation work correctly.
•
Check if safety regulations have
been changed and if the installation
should be revised.
•
Consider additional measures to
improve the safety of the
installation.
11. Reference documentation
Please refer to the below documents for
further information about the fans.
•
Catalogue
Car park jet fans,
standard and hot smoke
•
Technical specifications
12. Disposal
Dispose of fans suitable for scrapping in
environmentally safe ways and in
accordance to current regulations.
The fans and especially the electric
motors contain a wide range of
materials, which can all be recycled.
Make sure worn-out motors and fan
parts are disassembled and recycled for
the benefit of the environment.
13. Patents and trademarks
Novenco
®
,
,
and
are
registered trademarks of Novenco
Marine & Offshore A/S.
ZerAx
®
is a registered trademark of
Novenco Building & Industry A/S.
AirBox™ and NovAx™ are trademarks
of Novenco Building & Industry A/S.
Other trademarks in this document are
the property of their respective owners.
This document is provided ’as is’.
Novenco Building & Industry A/S
reserves the right to changes without
further notice due to continuous product
development.
Copyright (c) 2010 - 2021,
Novenco Building & Industry A/S.
All rights are reserved.
14. Quality management
Novenco Building & Industry A/S is
ISO 9001 and 14001 certified. All fans are
inspected and tested in the production.
15. Warranty
Novenco Building & Industry A/S
provides in accordance to the law a
standard 12 months warranty from the
product leaves the factory. The warranty
covers materials and defects from the
manufacture. Wear parts are outside the
warranty scope.
Extended warranty can be agreed upon.
Refer to the contract.
16. Spare parts
Contact Novenco for information about
and ordering of spare parts.
17. Product lifetime
The fans have a product lifetime of
20 years. Storage, installation and
maintenance must be in accordance with
Novenco
’s instructions, which include
this installation and maintenance guide.
