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nuaire.co.uk
029 2085 8400
30. 04. 19. Leaflet Number 671220
Installation and Maintenance
AXUS Circular Long Cased Axial Flow Fans
IMPORTANT
Isolation - Before commencing work, make sure that the
unit, switched live and Nuaire controls are electrically
isolated from the mains supply.
6.0 Maintenance
Only appropriately qualified personnel, familiar not only with the
electrical aspect of the work but with the plant, area or application
served by the unit, should carry out routine and preventative
maintenance on this product.
Ensure all mechanical and electrical connections and fixings are secure
and that inlet and outlet duct work is free of any obstruction or debris.
Briefly switch the fan on/off to ascertain correct direction of rotation,
compare the rotational label applied to the fan case and correct if
necessary.
7.0 Replacement Of Parts
Should any component need replacing, Nuaire keep extensive stocks
for quick delivery. Ensure that the unit is electrically isolated, before
carrying out any work.
When ordering spare parts, please quote the serial number of the unit
and the ARC number of the purchase; if possible
(This information will
be available on the fan label).
8.0 Warranty
Axus AX units have a 3 year warranty. Units with Ecosmart control have
a 5 year warranty. The warranty starts from the day of delivery and
includes parts and labour for the first year. The remaining period covers
replacement parts only.
This warranty is void if the equipment is modified without
authorisation, is incorrectly applied, misused, disassembled, or not
installed, commissioned and maintained in accordance with the details
contained in this manual and general good practice.
The product warranty applies to the UK mainland and in accordance
with Clause 14 of our Conditions of Sale. Customers purchasing from
outside of the UK should contact Nuaire International Sales office for
further details.
9.0 After Sales
For technical assistance or further product information, including spare
parts and replacement components, please contact the After Sales
Department.
6.1 Maintenance Intervals
Maintenance should be carried out on a regular basis, Nuaire
recommend three months from commissioning and at least annually
thereafter as determined by the operating conditions and levels of
airborne contamination to which the unit is exposed.
6.2 Maintenance Check List
a
6.3 Lubrication
Motors are fitted with sealed for life bearings and do not require any
lubrication.
6.4 Impellers
Impellers are dynamically balanced during manufacture, no special
treatment is required during maintenance, other to clean and remove
all dust and dirt residue taking care not to disturb the balance weights.
Remove stubborn dirt with warm soapy water – do not use caustic
fluids.
If an ATEX compliant unit, observe the advice of the guidance notes
in document 671216.
The maintenance programme must conform to ‘good custom and
practice’ and to the published recommendations of associations such
as the HVCA, CIBSE etc. The HVCA’s publication ‘Standard Maintenance
Specification for Mechanical Services in Buildings’ Vol 2 Ventilating and
Air Conditioning is a recommended reference.
Check that bird guards/safety grilles are secure
and free of obstruction.
Inspect all bolts, fixings and electrical terminals
for security.
Check motor for undue wear, signs of overheating
and apply winding insulation and continuity tests.
Remove all dust and dirt from impellers, be
especially careful not to disturb balance weights.
Generally clean.
Check resilient mounts and replace any that show
signs of wear or deterioration.
Telephone 02920 858 400
