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15. 12. 21. Document Number  671985

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

MRXBOXAB-ECO2B-AE(-D)

Installation Manual

3.10 Ducting Arrangements - Standard Configuration Unit

3.10.1 Circular Ducting

 
 

Air supply 

to lounge 

in ceilings.

via Air Valve 

Extract air 

from 

kitchen/

bathroom 

in ceilings.

via Air Valve 

Exhaust air from 

kitchen/bathroom to 

outside via louvre grille.

Minimum distance as specified 

in building regulations.

Intake air 

from outside

via louvre grille.

All duct between MVHR 

unit and atmosphere to 

be insulated*.

*Insulated 

supply duct.

Top of ceiling void.

Air supply to 

bedrooms 

in ceilings.

via Air Valve 

MVHR unit.

Nuaire 

MVHR-DRAIN

Condensate drain, uninsulated 

drain 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 to 

outside via air brick.

Minimum distance as specified 

in building regulations.

Intake air 

from outside

via air brick.

All duct between MVHR 

unit and atmosphere to 

be insulated*.

*Insulated 

supply duct.

Air supply  

to lounge 

in ceilings.

Extract 

via Air Valve 

air from 

kitchen/

bathroom 

in ceilings.

via Air Valve 

Air supply 

to bedrooms 

in ceilings.

via Air Valve

Top of ceiling void.

MVHR unit.

Nuaire 

MVHR-DRAIN

Condensate drain, uninsulated 

drain pipe with min 5

o

 fall running to SVP.

*Insulated 

extract duct.

13 

Typical Ducted Arrangement For A Wall Mounted Unit Using Circular Ducting

New

ALSO FROM NUAIRE - 

range of thermal ducting,

an all-in-one insulated ducting system 
(see installation document 671780) 

Содержание MRXBOXAB-ECO2B-AE

Страница 1: ...een 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 Impo...

Страница 2: ...TION 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 with the current I E E Regulations or the appropriate standards Ensure that the mains supply Voltage Frequency and Phase complies with the rating label Please allow a minimum of 350mm in front of the e...

Страница 3: ...ple 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 using the mounting bracket provided Ducting in the ceiling void Side view of unit mounted on the block wall in a cupboard using MVHR DRAIN the wall brackets Condensate drain uninsulated drain pipe with...

Страница 4: ...he BS5440 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 of the requirements of this standard when installing through the wall supply air ducting 3 6 Ventilation Flow Rates 3 6 1 ADF 2010 Extract Ventilation Rates Room Min high rate Min low rate Kitch...

Страница 5: ...t 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 MRXBOX95 unit due to natural migration of warm air 3 9 Dimensions 11 Dimensions 706 1 1 6 448 ...

Страница 6: ...ain 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 to outside via air brick Minimum distance as specified in building regulations Intake air from outside via air brick All duct between MVHR unit and atmosphere to be insulated Insulated supply duct ...

Страница 7: ...nly as the connections in Figure 14 are factory fitted The unit is pre wired with a 2 metre fly lead 4 2 Wiring Diagrams 4 2 1 Unit Serving Kitchen Bathroom Optional Controls For further information regarding optional controls contact Nuaire on 02920 858 400 Disconnection from the supply mains must be incorporated within the fixed wiring in accordance with the wiring regulations and shall have a m...

Страница 8: ...e unit will boost to that set by the commissioned boost speed The set point can be found behind the front panel of the unit Figure 17 and is at its least sensitive when turned fully clockwise 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 should be used local to the wet rooms Section 4 2 Adjustment onl...

Страница 9: ...nternational 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 aluminiu...

Страница 10: ...10 15 12 21 Document Number 671985 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO2B AE D Installation Manual NOTES ...

Страница 11: ...11 15 12 21 Document Number 671985 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO2B AE D Installation Manual NOTES ...

Страница 12: ...12 15 12 21 Document Number 671985 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk MRXBOXAB ECO2B AE D Installation Manual NOTES ...

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