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28. 07. 21. Document Number  671856

Nuaire | 

Western Industrial Estate 

Caerphilly 

CF83 1NA 

|

 

nuaire.co.uk

MRXBOXAB-ECO(3/5)-(SC/SW)

Installation Manual

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.

EPP, plastic ducting, nylon corner pieces, plastic heat exchangers, 
packaging material and other plastic components can be 
segregated into mixed plastic and widely recycled.

Cardboard packaging, wood, and other paper components can be 
largely recycled or fully processed in energy from waste centres.

Filter Disposal: Cardboard framed filters should be fully processed 
in energy from waste centres, contact your local civic amenity site 
/ household waste recycling centre regarding metal / wire framed 
filters.

Remaining Items can be further segregated and processed in 
accordance with the zero waste hierarchy. Please call After Sales 
Support for further information on items not listed above.

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 

[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.

21 

Removing Filter Covers

Filter covers

Filter being 

removed

Filter cover

22 

Removing Filters

Filter covers

Filter being 

removed

Filter cover

7.0 WARRANTY

The 5 year 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.

Failure to maintain the unit as recommended will invalidate the 
warranty.

Summary of Contents for MRXBOXAB-ECO3-OHSW

Page 1: ... or instruction concerning the safe use of the appliance by a person responsible for their safety Children shall not play with the appliance Cleaning and user maintenance shall not be carried out by children 1 1 Hazard Symbols REFER TO INSTRUCTION MANUAL Read and understand the installation and maintenance manual before installing operating or maintaining this product 1 2 Important Information Thi...

Page 2: ...e unit and building fabric 1 Airflow Through unit Standard Unit Extract air from house Intake air Exhaust air from outside to outside from house to house Supply air Intake air from outside Extract air from house Supply air to house Exhaust air from house to outside 2 Airflow Through OH unit Opposite Hand Unit Extract air from house Intake air Exhaust air from outside to outside from house to house...

Page 3: ...uld be positioned on a 25mm minimum thickness MDF panel that is vertically fixed across the roof trusses to form a solid false wall Add additional vertical supports if necessary Use the Anti vibration tray assembly MRXBOX AV 3 5 including the angle brackets to be purchased separately 8 Angled Brackets Loft Mounted Installation 3 3 Off Site Cupboard Construction For off site constructed cupboards a...

Page 4: ...led taut A maximum of 300mm should be used on each leg To prevent condensation on the outside of the outside air inlet duct and the air outlet duct from the unit these ducts should be insulated Ducting must be installed in such a way that resistance to airflow is minimised Bends should be kept to a minimum A minimum distance of 300mm between the appliance and any bends in ductwork is recommended I...

Page 5: ... as follows The maximum whole dwelling extract ventilation rate e g boost should be at least the greater of step 1 and step 2 Note that the maximum individual room extract rate should be at least those given in ADF 2010 Extract Ventilation Rates table The minimum air supply rate should be at least the whole building ventilation rate found in step 1 For Scotland refer to BRE Digest 398 For further ...

Page 6: ... Air Valve mounted unit Nuaire wall MVHR DRAIN Condensate drain uninsulated drain pipe with min 5o fall running to SVP Insulated extract duct 3 10 2 Rectangular Ducting 14 Typical Rectangular Ducting Arrangement For Wall Mounted Units Exhaust air from kitchen bathroom to outside via air brick Minimum distance as specified in building regulations Intake air from outside via air brick All duct betwe...

Page 7: ...connected to the underside of the MVHR unit within The cable should be fed through rubber blanking plug to provide a seal when the cover is re fitted 4 3 Wiring Diagrams 4 3 1 Unit Serving Kitchen And Bathroom 16 Wiring Diagram Unit Serving Kitchen And Bathroom ECO3 3A Fuse BS 1362 ECO5 5A Fuse BS 1362 MAINS 230V 50Hz Light Room Light Switch Double Pole N L 3 Pole Isolator Kitchen Switch Blue Brow...

Page 8: ... to solely boost the unit Additional switch should be used local to the wet rooms Section 4 3 3 5 2 Status Indication The status of the unit is indicated by a series of LED s on the front cover The variants are listed below The display on the unit control panel will not indicate when a higher speed setting has been triggered by an external source such as an ES PIR2 etc 20 Unit Control On Front Pan...

Page 9: ...ulations 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 descrip...

Page 10: ...10 28 07 21 Document Number 671856 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO 3 5 SC SW Installation Manual NOTES ...

Page 11: ...11 28 07 21 Document Number 671856 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO 3 5 SC SW Installation Manual NOTES ...

Page 12: ...12 28 07 21 Document Number 671856 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO 3 5 SC SW Installation Manual NOTES ...

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