12
16. 03. 21. Document Number 671863
Nuaire |
Western Industrial Estate
|
Caerphilly
CF83 1NA
nuaire.co.uk
MRXBOXAB-ECO4-AE(SC/SW)
Installation Manual
NOTES
Page 1: ...fe 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 infor...
Page 2: ...and building fabric This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning the use of the appliance by a person for their safety Children should be supervised so that they do not play with the appliance 3 1 Transport Fixings To pre...
Page 3: ... in insulated to prevent freezing Nuaire recommend MVHR DRAIN be used as the primary condensate take off Figures 8 and 9 3 5 Extract Input Areas The unit is designed to extract air from all wet rooms e g bathroom kitchen en suite utility room with sink WC s do not need to be ventilated if openable windows are fitted Supply air should be to all habitable rooms e g bedrooms and lounge Extract input ...
Page 4: ...t 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 Ideally 150mm diameter or 220 x 90mm rectangular ducting should be used refer to dwelling design drawing Figures 11 12 Duct...
Page 5: ...te 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 information refer to Domestic Ventilation Compliance Guide ww...
Page 6: ...ings via AirValve MVHR unit Nuaire MVHR DRAIN Condensate drain uninsulated drain pipe with min 5 o fall running to SVP Insulated extract duct 3 10 2 Rectangular Ducting 12 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: ...ixed wiring in accordance with the wiring regulations and shall have a minimum contact separation of 3mm 4 2 1 Unit Only MAINS 230V 50Hz N L 3 Position Switch Ancillary code MRXBOX95 3SWITCH Blue Green yellow Brown Black Supply cord from unit Grey L 1 2 5A Fuse BS1362 2 Pole Isolator 14 Wiring Diagram Unit Only 4 2 2 Unit Serving One Bathroom 15 Wiring Diagram One Bathroom 5A Fuse BS1362 MAINS 230...
Page 8: ...cover 6 0 CONTROLS 6 1 Humidity Adjustment This product contains an internal humidity sensor fitted into the air flow extracting from the wet rooms When the unit senses that the humidity exceeds the set point the unit will boost to that set by the commissioned boost speed The set point can be found on the front of the unit Figure 18 and is at its least sensitive when turned fully clockwise Note th...
Page 9: ...ication plate attached to the unit casing 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 7 0 MAINTENANCE It is important that maintenance checks are recorded and that the schedule is always ad...
Page 10: ...10 16 03 21 Document Number 671863 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO4 AE SC SW Installation Manual NOTES ...
Page 11: ...11 16 03 21 Document Number 671863 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO4 AE SC SW Installation Manual NOTES ...
Page 12: ...12 16 03 21 Document Number 671863 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO4 AE SC SW Installation Manual NOTES ...
