NuAire MRXBOXAB-ECO-LP2 Installation Manual Download Page 5

5

07. 01. 21. Document Number  671875

Nuaire | 

Western Industrial Estate 

Caerphilly 

CF83 1NA 

|

 

nuaire.co.uk

MRXBOXAB-ECO-LP2

Installation Manual

3.8 Typical Ducting Installation - Standard Unit Configuration

Typical Ducting Installation - Standard Unit Configuration

Supply air to 

lounge via

in ceilings.

Air Valve  

Extract air from 

kitchen via 

in ceilings.

Air Valve  

Supply air to 

bedrooms via

in ceilings.

MVHR-DRAIN 

Air Valve  

condensate drain,

running to SVP.

mounted unit.

Nuaire ceiling void 

Extract air from 

bathroom via 

in ceilings.

Air Valve  

Exhaust air from 

kitchen/bathroom to 

outside via air brick.

Supply and extract 

ducts from external 

air bricks to the unit 

needs to be insulated.

Top of ceiling void.

Minimum distance as 

specified in Building 

Regulations. 

Intake air from 

outside via air brick.

3.9 Dimensions (mm) - Opposite Hand Unit Configuration

Dimensions (mm) - Opposite Hand Unit Configuration

688 Hole Centres

View from top (A)

700

View from control side

900 

37

1

857

885 hole centres 

121

End view

200

67

(B)

(A)

600 

Spigot 2.

View from underside with cover removed (B)

Air

Supply 

Spigot 3.

Extract 

Air

Spigot 4.

Air

Exhaust 

Spigot 1.

Air

250

Intake 

Heat 

exchanger

Bypass 

chamber

Supply

fan

Extract

fan

21.5mm condensate pipe

Drip tray 

Wire

frame

filter

Wire

frame

filter

Bypass 

4.

damper 

1.

2.

3.

735 (Filter access distance)

Removable

access

filter

Removable

access

filter

69

97

342

Access 
Requirements

Summary of Contents for MRXBOXAB-ECO-LP2

Page 1: ...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 carri...

Page 2: ...to be removed and provide sufficient access for maintenance such as filter change The fan must be installed indoors in a suitable ceiling void away from direct sources of frost heat water spray or mo...

Page 3: ...of bedrooms in dwelling 1 2 3 4 5 Whole dwelling ventilation rate l s 1 2 13 17 21 25 29 1 In addition the minimum ventilation rate should be no less than 0 3 l s per m2 of internal floor area This i...

Page 4: ...be at least those given in table 1 for minimum high rate 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 fur...

Page 5: ...Supply and extract ducts from external air bricks to the unit needs to be insulated Top of ceiling void Minimum distance as specified in Building Regulations Intake air from outside via air brick 3 9...

Page 6: ...o the mains supply 4 1 Electrical Information Electrical details Voltage 240V 1ph 50Hz Consumption 1 3 Amp This unit must be earthed The cable from the mains power supply should be connected to a fixe...

Page 7: ...matic HX Bypass AB Units Only Intake and extract temperatures are monitored at the point the airflows enter the unit if the range falls within the set parameters the bypass damper is opened automatica...

Page 8: ...tact Nuaire International 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 w...

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