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04. 12. 20. Document Number  671824

Nuaire | 

Western Industrial Estate 

Caerphilly 

CF83 1NA 

|

 

nuaire.co.uk

MRXBOX-ECO2-AE (Standard Unit)

MRXBOX-ECO2-AE-OH (Opposite hand Unit) 

MRXBOXAB-ECO2-AE (Standard Unit) 

MRXBOXAB-ECO2-AE-OH (Opposite hand Unit)

Mechanical Ventilation Units with Heat Recovery for Wall Mounting 

Installation Manual

EMC Directive

 

2014/30/EU

LVD Directive

 

2014/35/EU

1.0 SAFETY INFORMATION

• 

The provision of the electrical supply and the connection of the unit to the electrical supply 

must be carried out by a qualified electrician in accordance with latest edition of the wiring 

regulations.

• 

Isolate from power supply before removing any 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 to the spigot to prevent access to live parts. Duct 

runs terminating close to the fan must be adequately protected by suitable guards.

• 

If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or 

similarly qualified persons in order to avoid a hazard. The replacement cord must be of the same 

technical specification as the original cord or greater.

• 

Precautions must be taken to avoid the back-flow of gases into the room from the open flue of 

gas or other fuel-burning appliances.

• 

This appliance should not be used by children or persons with reduced physical, sensory or 

mental capabilities or lack of experience and knowledge, unless they have been given 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 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

This manual contains important information on the safe and 
appropriate assembly, transport, commissioning, operation, 
maintenance, disassembly and simple troubleshooting of the product.

While the product has been manufactured according to the accepted 
rules of current technology, there is still a danger of personal injury or 
damage to equipment if the following general safety instructions and 
the warnings contained in these instructions are not complied with.

Read these instructions completely and thoroughly before 
working with the product.

Keep these instructions in a location where they are accessible 
to all users at all times.

Always include the operating instructions when you pass the 
product on to third parties.

1.3 Personal Protective Equipment

The following minimum Personal Protective Equipment (PPE) is 
recommended when interacting with Nuaire product:

Protective Steel Toed Shoes - 

when handling heavy objects.

 

Full Finger Gloves (Marigold PU800 or equivalent) - 

when 

handling sheet metal components. 

Semi Fingerless Gloves (Marigold PU3000 3DO or equivalent) 

- when conducting light work on the unit requiring tactile 
dexterity. 

Safety Glasses

 - when conducting any cleaning/cutting operation 

or exchanging filters. 

Reusable Half Mask Respirators 

- when replacing filters which 

have been in contact with normal room or environmental air.

Nuaire would always recommend a site specific risk assessment by a 
competent person to determine if any additional PPE is required. 

Summary of Contents for MRXBOX-ECO2-AE

Page 1: ...unless they have been given 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 m...

Page 2: ...ON Installation must be carried out by competent personnel in accordance with the appropriate authority and conforming to all statutory governing regulations All mains wiring must be in accordance wit...

Page 3: ...e Collar 9 Condensate Drain MVHR DRAIN Condensate Drain Uninsulated Drain Pipe With Min 5 Fall Running To SVP 3 2 1 Solid Wall Mounting Recommended The MVHR unit fixed to a solid wall construction usi...

Page 4: ...40 series of British Standards deals with this issue and currently states that an air intake must be at a minimum distance of 300mm from a gas boiler balanced flue Installers are advised to be aware o...

Page 5: ...very high moisture levels are likely to occur Therefore it is advisable that if the installation and building works are complete the unit is left running If the building works are not complete please...

Page 6: ...n pipe with min 5 o fall running to SVP Insulated extract duct 12 Typical Ducted Arrangement For A Wall Mounted Unit Using Circular Ducting 3 10 2 Rectangular Ducting Exhaust air from kitchen bathroom...

Page 7: ...panel of the enclosure should be removed by loosening the two screws the Ecosmart cable can then be connected to the underside of the MVHR unit within The cable should be fed through rubber blanking...

Page 8: ...ms 6 3 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...

Page 9: ...ing 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...

Page 10: ...10 04 12 20 Document Number 671824 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOX AB ECO2 AE Installation Manual NOTES...

Page 11: ...11 04 12 20 Document Number 671824 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOX AB ECO2 AE Installation Manual NOTES...

Page 12: ...12 04 12 20 Document Number 671824 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOX AB ECO2 AE Installation Manual NOTES...

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