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17. 11. 21. Document Number  671861

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

MRXBOXAB-ECO3-AE(OH)SW & MRXBOXAB-ECO5-AE(OH)(SC/SW)

Installation Manual

NOTES

Summary of Contents for MRXBOXAB-ECO5-AESC

Page 1: ...cerning 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 i...

Page 2: ...se to house Supply air Exhaust air from house to outside Extract air from house Intake air Exhaust air from outside from house to outside Supply air to house 2 Airflow Through OH unit Opposite Hand Unit Intake air from outside Extract air from house to house Supply air Exhaust air from house to outside Extract air from house Intake air Exhaust air from outside from house to outside Supply air to h...

Page 3: ...ing the wall MVHR DRAIN brackets Condensate drain uninsulated drain pipe with min 5o fall running to SVP Valve in ceiling Unit weight 56kG 3 3 Condensate Drain The MVHR unit inside the enclosure is fitted with a straight coupling to allow 21 5mm overflow pipe not supplied to be attached using solvent cement the pipe should be passed through the flexible adhesive backed cover plate before the solve...

Page 4: ...l s 1 2 13 17 21 25 29 Notes 1 In addition the minimum ventilation rate should be no less than 0 3 l s per m of internal floor area This includes all floors e g for a two story building add the ground and first floor areas 2 This is based on two occupants in the main bedroom and a single occupant in all other bedrooms This should be used as the default value If a greater level of occupancy is expe...

Page 5: ...ut 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 close the air valves or cover up the air valves to prevent condensation forming in the ductwork and the MRXBOX unit due to natural migration of warm air 3 8 Dimensions 11 Unit Dimensions 754 5 2 7 ...

Page 6: ...ceilings via Air Valve mounted unit Nuaire wall MVHR DRAIN Condensate drain uninsulated drain pipe with min 5o fall running to SVP Insulated extract duct 3 9 2 Rectangular Ducting 13 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...

Page 7: ... 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 2 Wiring Diagrams 4 2 1 Unit Serving Kitchen And Bathroom 15 Wiring Diagrams 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 Brown Black Optiona...

Page 8: ...en 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 that the sensor is measuring humidity from all the wet rooms at the same time and should not be relied on to solely boost the unit Additional switch sho...

Page 9: ...ve 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 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 6 0 MAINTENANC...

Page 10: ...10 17 11 21 Document Number 671861 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO3 AE OH SW MRXBOXAB ECO5 AE OH SC SW Installation Manual NOTES ...

Page 11: ...11 17 11 21 Document Number 671861 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO3 AE OH SW MRXBOXAB ECO5 AE OH SC SW Installation Manual NOTES ...

Page 12: ...12 17 11 21 Document Number 671861 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO3 AE OH SW MRXBOXAB ECO5 AE OH SC SW Installation Manual NOTES ...

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