NuAire MRXBOXAB-ECO-LP2-C Installation And Maintenance Manual Download Page 1

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nuaire.co.uk 

029 2085 8400

20. 08. 19. Document Number  671887

The EMC Directive

 

2014/30/EU

The Low Voltage 
Directive

2014/35/EU

MRXBOXAB-ECO-LP2-C (Standard Unit)
MRXBOXAB-ECO-LP2OH-C (Opposite Hand Unit)

Remote Commissioning Mechanical Ventilation Unit  
with Heat Recovery for Ceiling Void Mounting 

Installation and Maintenance

1.0 SAFETY INFORMATION 

The provision of the electrical supply and the connection of the unit to the mains 
must be carried out by a qualified electrician. 

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. 

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.

Summary of Contents for MRXBOXAB-ECO-LP2-C

Page 1: ...mum 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 p...

Page 2: ...all statutory governing regulations Beware of sharp edges on unit when handling ensure appropriate PPE is used All mains wiring must be in accordance with the current I E E Regulations or the appropri...

Page 3: ...epth on the pipe and check that the pipe section to be jointed is free of any surface damage which may affect the joint seal 3 Unscrew the cap from the MVHR DRAIN outlet and slide the cap and rubber s...

Page 4: ...rate from Table 1 For sanitary accommodation only as an alternative the purge ventilation provisions given in ADF 2010 can be used where security is not an issue In this case minimum high extract rat...

Page 5: ...2 3 735 Filter access distance Removable access filter Removable access filter 69 97 342 Access Requirements Supply air to lounge via in ceilings Air Valve Extract air from kitchen via in ceilings Ai...

Page 6: ...3 735 Filter access distance Removable access filter Removable access filter 69 97 342 Access Requirements Supply air to lounge via in ceilings Air Valve Extract air from kitchen via in ceilings Air V...

Page 7: ...oses only as the connections above are factory fitted Connection to Remote Fail Indicator Ref MRXBOX95 RFI optional Fuse 2A MAINS 230V 50Hz light Room Light switch Double Pole N L 3 Pole isolator Kitc...

Page 8: ...N The status of the unit is indicated by a series of LED s on the control box cover The variants are listed below 10 1 Integral automatic HX bypass AB units only Intake and extract temperatures are mo...

Page 9: ...only for the remaining 4 years This warranty is conditional on planned maintenance being undertaken This warranty is void if the equipment is modified without authorisation is incorrectly applied misu...

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