6
Maintenance
ISOLATION
BEFORE COMMENCING WORK MAKE SURE THAT
THE UNIT AND NUAIRE CONTROL, IF FITTED,
ARE ELECTRICALLY ISOLATED FROM THE MAINS
SUPPLY.
Maintenance Intervals (fan unit)
The first maintenance should be carried out three months after
commissioning and thereafter at twelve monthly intervals.
These intervals may need to be shortened if the unit is operating
in adverse environmental conditions, or in heavily polluted air.
Lubrication
Motors are fitted with sealed for life bearings and therefore
require no further lubrication.
General Cleaning and Inspection (fan unit)
Clean and inspect the exterior of the Singlepak unit and associat-
ed controls etc.
Remove the access panel from the Singlepak unit. Inspect and, if
necessary, clean the fan and motor assemblies and the interior of
the case. If the unit is heavily soiled it may be more convenient
to remove the fan / motor assemblies.
Check that the shutters are free to move smoothly and that they
seal the appropriate fan outlet effectively.
Clean and inspect the fan and motor assembly as follows; taking
care not to damage, distort or disturb the balance of the impeller.
a) Lightly brush away dirt and dust, paying particular
attention to any build up at the motor ventilating slots.
If necessary, carefully remove with a blade or scraper.
b) Stubborn dirt at the impeller may be carefully removed
with a stiff nylon brush.
c) Check all parts for security and general condition.
Check that the impeller rotates freely.
Refit the assembly to the unit then replace the access covers.
Controls
If NuAire controls and or remote indicators are fitted, remove
the covers and carefully clean out the interiors as necessary.
Check for damage. Check security of components. Refit the
access covers.
Filter Cassette
Every three months (or more frequently if operating conditions
warrant) release the cover and inspect the filter. The filter ele-
ment is formed over a wire mesh supporting frame and can be
vacuum cleaned (preferably from the frame side). Badly soiled
filters can be replaced, spares available from NuAire on request.
Quote code SF followed by unit size e.g. SF250. Note: the
replacement frame/filter element may need to be ‘formed’ to
shape as the original prior to fitting.
Replacement of Parts
The only item of the Singlepak unit likely to require replace-
ment is the fan / motor assembly due to a failed motor or dam-
aged impeller. In either eventuality the complete fan / motor
assembly must be removed from the unit case.
NOTE:
BEFORE COMMENCING WORK, ELECTRICALLY
ISOLATE THE TWINPAK UNIT AND / OR THE
ASSOCIATED NUAIRE CONTROL, IF FITTED,
FROM THE MAINS SUPPLY.
Remove the access cover. Disconnect the incoming wiring from
the connection box (located inside case) Support the weight of
the fan/motor assembly and remove the mounting screws and
washers. Lift the assembly out of the case.
After replacing the faulty item, refit the fan/motor assembly and
reconnect the incoming wiring to the terminal box. Replace the
access cover.
Schedule of Parts
When ordering spares please quote the serial number of the unit
together with the part number if. 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
3 YEAR WARRANTY
The three year warranty starts from the date 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.
NOTE:
Installation & Maintenance of the equipment must be as
directed in the instructions provided with the unit.
Service
As a manufacturer NuAire provides you with factory trained
Service Engineers. Our Engineers are supported by a comprehen-
sive range of spare parts 'off the shelf '.
If you are an industrial or commercial user, you may be interested
in details of NuAire's regular maintenance Service Contracts.
This is a worthwhile service that helps you get the most from our
products.
Our Service Department will be happy to give you
more information.
Telephone:
02920 858585
Controls Application Service (CAS)
A team of Engineers and technicians is available to provide pre
and post order support.
We are on hand to provide help and advice from the most basic
use of any NuAire equipment to the more complex applications,
maximising on the versatility of our control products.
Telephone: 029 2085 8585
Facsimile: 029 2085 8586
(Q)SP125
(Q)SP200
(Q)SP200H
(Q)SP250
(Q)SP400
(Q)SP400H
771950
771954
771955
771517
771418
771847
Spares listing
Unit
code
Blower assembly
c/w motor.
Installation and Maintenance
SINGLEPAK IN LINE FAN
NB
If you have any comments or queries on any of our products or
services please write to the Product Information Manager at the
main address.
