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04. 02. 20. Document Number  671712

5

Nuaire | 

Western Industrial Estate 

Caerphilly 

CF83 1NA 

|

 

nuaire.co.uk

SVT28

Installation Manual

S1 duty and Emergency in S2 duty: 
a) Permanently greased bearings. 

300°C or 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) Regreaseable bearings 

The information on the motor nameplates must be strictly respected 
(grease quantity, grease quality and regreasing frequency). The bearings 
must be replaced after 20,000 hours of operation.

8.0 MAINTENANCE

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.

8.1 Routine Maintenance (Every 3 Months)

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. 

8.2 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. 

8.3 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.

9.0 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.

10.0 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.

11.0 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 

[email protected]

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.

Summary of Contents for SVT28 Series

Page 1: ...y covers During installation maintenance ensure all covers are fitted before switching on the mains supply All pole disconnection from the mains as shown in the wiring diagram must be incorporated within the fixed wiring and shall have a minimum contact separation of 3mm in accordance with latest edition of the wiring regulations This unit must be earthed Ducting must be securely fixed with screws...

Page 2: ...unit shall have a unique mounting bracket which shall enable the bracket to be positioned as a first fix component with the unit being fitted as a second fix component avoiding possible mechanical damage The Nuaire SVT28 unit shall have inlet guards for safety purposes and also to prevent debris being pulled through the fan It also has a specially designed airflow deflector to direct the jet strea...

Page 3: ... side of the bracket and unit C B A Terminal Box 55mm To adjust deflector blade A To adjust deflector blade B 2 3 5 4 Fixing Support Bracket Fixing Unit to Support Bracket Unit Dimensions Adjusting Deflector Blades 4 3 Adjusting Deflector Blades The Deflector blades are factory set for horizontal discharge default setting but can be adjusted for downward deflection using the following procedure 1 ...

Page 4: ... 30 minutes to ensure correct operation If any fault occurs the equipment should be switched off Do not re start until the fault has been rectified 7 0 SPECIFIC COMMISSIONING AND SERVICING REQUIREMENTS Motors for Smoke Extract Fans Exposure temperature time 300 C for 2 hours 400 C for 2 hours These motors are used to provide a SAFETY FUNCTION for people in the event of fire in public premises or i...

Page 5: ...his 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 10 0 END OF LIFE AND RECYCLING Where possible Nuaire use components wh...

Page 6: ...04 02 20 Document Number 671712 6 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk NOTES ...

Page 7: ...04 02 20 Document Number 671712 7 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk NOTES 7 ...

Page 8: ...tem components must have separate provision for support 4 3 Flanges and connection spigots are provided for the purpose of joining to duct work systems They must not be used to support the ductwork 4 4 In the event of RF interference the fan may increase in speed or make high pitched noises This is normal and will have no adverse effect on the fan The speed and noise will return to normal once the...

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