![NuAire Square Single In-line Fan Series Installation Manual Download Page 5](http://html1.mh-extra.com/html/nuaire/square-single-in-line-fan-series/square-single-in-line-fan-series_installation-manual_1716014005.webp)
04. 02. 20. Document Number 671834
5
Nuaire |
Western Industrial Estate
|
Caerphilly
|
CF83 1NA
|
nuaire.co.uk
SQF
Installation Manual
S1 duty and Emergency in S2 duty:
a) Permanently greased bearings.
400°C range; replace on 2 pole motors after 10,000 hours of operation
and on motors with 4 poles or more after 20,000 hours.
b) Re-greaseable bearings
The information on the motor nameplates must be strictly respected
(grease quantity, grease quality and re-greasing frequency).
The bearings must be replaced after 20,000 hours of operation.
6.0 MAINTENANCE
IMPORTANT
Isolation - Before commencing work make sure that the unit and
Nuaire control are electrically isolated from the mains supply.
Ensure that all mechanical and electrical connections and fixings are
secure and that inlet and outlet ductwork is free of any obstruction or
debris.
Briefly switch the fan on/off to ascertain correct direction of impeller
rotation, compare with the rotational label fitted and correct if
necessary.
Complete the test by running the fan for approximately 15 minutes,
taking and comparing voltage, full load and starting currents with the
fan rating label. Monitor flexible connections to ensure no leakage and
AV mounts for correct alignment.
It is important that maintenance checks are recorded and that the
schedule is always adhered to, in all cases, the previous report should
be referred to.
6.1 Routine Maintenance
•
Clean all areas of unit and treat any areas of corrosion.
•
Check all access doors for leakage and if necessary locks should be
adjusted and any replacement gasket materials should be replaced
as required.
•
Check that safety grilles are secure and free of obstruction.
6.2 Semi-Annually
•
Thoroughly inspect the unit and its components for corrosion,
acting immediately to treat/restore any damaged areas.
•
All electrical terminals within the unit should be tightened.
•
Check all earth connections.
•
Check resilient mounts (where applicable) and replace any that
have any wear or deterioration.
•
Check motor for undue wear, signs of overheating and apply
winding insulation and continuity tests.
6.3 Lubrication
Motors are fitted with sealed for life bearings and do not require any
lubrication.
6.4 Motor Repair
Due to unit certification EN12101-3 and in compliance with the
construction products directive, the motor must be returned to the
motor manufacturer for replacement.
7.0 WARRANTY
The 3 year warranty starts from the day of delivery and includes parts
and labour for the first year. The labour element is subject to full,
free and safe access to the equipment as recommended by the CDM
regulations. The remaining two years 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.
Failure to maintain the unit as recommended will invalidate the
warranty.
8.0 END-OF-LIFE AND RECYCLING
Where possible Nuaire use components which can be largely recycled
when the product reaches its end-of-life:
•
Fans, motors, controls, actuators, cabling and other electrical
components can be segregated into WEEE recycling streams.
•
Sheet metal parts, aluminium extrusion, heating/cooling coils and
other metallic items can be segregated and fully recycled.
•
Cardboard packaging, wood, used filters and other paper
components can be largely recycled or fully processed in energy
from waste centres.
•
Remaining items can be further segregated for energy from waste
centres or, as a last resort, sent to landfill. Please call After Sales
Support for further information on items not listed above.
IMPORTANT
Ensure that Nuaire product is made safe from any electrical
/ water / refrigerant supplies before dismantling commences.
This work should only be undertaken by a qualified person in
accordance with local authority regulations and guidelines,
taking into account all site based risks.
9.0 AFTER SALES AND REPLACEMENT PARTS
For technical assistance or further product information, including spare
parts and replacement components, please contact the After Sales
Department.
If ordering spares please quote the serial number of the unit together
with the part number, if the part number is not known please give a full
description of the part required. The serial number will be found on the
identification plate attached to the unit casing.
Telephone 02920 858 400
Technical or commercial considerations may, from time to time, make it necessary to alter the design, performance and dimensions of equipment
and the right is reserved to make such changes without prior notice.