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05. 11. 21. Document Number  671999

Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk

MRXBOXAB-ECO-LP2B

Installation Manual

7.0 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.

Isolation - Before commencing work make sure that the unit, 
switched live and control are electrically isolated from the mains 
supply and switched live supply.

7.1 Filter Replacement

Filters are to be inspected every 6 months and replaced every 12 
months (or sooner if required). 

Failure to do so may impair the 

performance and energy efficiency of this unit.

 A flashing LED 

(Section 6.2) will indicate that a filter change is required. This indication 
repeats every 12 months and will turn off automatically after 5 Days.

Remove the filter covers on the front panel of the unit by gripping the 
two circular tabs either end of the filter covers and pulling away from 
the unit. The filter can now be extracted by pulling the removal loop on 
the front edge of the filter. Once the filters have been inspected return 
or replace them as necessary. 

Access to second filter

Filter cover and 

filter being removed

Control module

16 

Filter Replacement

8.0 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.

9.0 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, used filters and other paper 
components can be largely recycled or fully processed in energy 
from waste centres.

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.

10.0 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.

The supply cable must be replaced by an electrically competent 
person. 

Telephone 02920 858 400 

aftersales@nuaire.co.uk

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 MRXBOXAB-ECO-LP2B

Page 1: ...supervision 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 carr...

Page 2: ...r to be removed and provide sufficient access for maintenance such as filter change The fan must be installed indoors in a suitable ceiling void away from direct sources of frost heat water spray or m...

Page 3: ...r of bedrooms in dwelling 1 2 3 4 5 Whole dwelling ventilation rate l s 1 2 13 17 21 25 29 1 In addition the minimum ventilation rate should be no less than 0 3 l s per m2 of internal floor area This...

Page 4: ...be at least those given in table 1 for minimum high rate 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 fur...

Page 5: ...k Supply and extract ducts from external air bricks to the unit needs to be insulated Top of ceiling void Minimum distance as specified in Building Regulations Intake air from outside via air brick 3...

Page 6: ...on the same metal cable tray as other cables The electrical connection of the unit must be carried out by a qualified electrician The unit is supplied with a flexible cord for connection to the mains...

Page 7: ...2 Speed 1 Speed 2 14 Commissioning Controls 6 0 CONTROLS 6 1 Integral Automatic HX Bypass AB Units Only Intake and extract temperatures are monitored at the point the airflows enter the unit if the ra...

Page 8: ...al Sales office for further details Failure to maintain the unit as recommended will invalidate the warranty 9 0 END OF LIFE AND RECYCLING Where possible Nuaire use components which can be largely rec...

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