NuAire MRXBOX95-LH2 Datasheet Download Page 1

   S U M M A R Y   F A N   D A T A   S H E E T

 
Nuaire Limited,  Western Industrial Estate,  Caerphilly,  CF83 1NA,  United Kingdom.    email:[email protected]
UK Technical Enquiries  Tel:029 2085 8200  Fax:029 2085 8300    International Enquiries  Tel:+44 29 2085 8335  Fax:+44 29 2085 8278

 
Whilst the information given on this data sheet is fan specific, it is in summary and reference to the product selection catalogue and installation & maintenance documents is recommended.
This data sheet produced on 22 Mar 2011 15:14 using software version 2.4.46 - 7 March 2011

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

700

600

500

400

300

200

100

0

Volume Flow Rate (m³/s)

Static Pressure (Pa)

Technical Data

MRXBOX95-LH2 - Loft Mounted Multi Room Xbox

Loft Mounted Multi-Room Heat Recovery Unit

Fan Code:

MRXBOX95-LH2

Installation Manual Links:

671496

Electrical Supply:

1 Phase

Motor Current:

flc: 2.1 A

Motor Current:

sc: 2.1 A

Max. Operating Temp.:

40°C

Weight:

21 kg

Sound Data

Acoustic perfomance to BS848 Part 2.2 and AMCA 300.
Breakout Noise (dBA): 51 dBA @ 3m
Inlet Noise (dBA): 43 dBA @ 3m
Outlet Noise (dBA): 58 dBA @ 3m
Breakout level is hemi-spherical. For spherical deduct 3 dBA.

Sound Power Levels re 1 pWatts (Hz):
Hz

63

125

250

500

1k

2k

4k

8k

Open Inlet(43%)

50

54

62

62

55

47

39

38

Open Outlet(58%)

56

65

72

77

69

69

61

54

Breakout(51%)

56

64

69

69

60

60

52

50

Above noise measured at stated percent of maximum working
pressure.

SAP Appendix Q Test Results

Application

Specific Fan
Power (W/l/s)

Heat Exchange
Efficiency %

E.S.T.* Best
Practice Compliant

K 1 wet room

0.81

91

Yes

K 2 wet rooms 0.77

91

Yes

K 3 wet rooms 0.78

91

Yes

K 4 wet rooms 0.86

91

Yes

K 5 wet rooms 0.96

91

Yes

K 6 wet rooms 1.09

90

No

* E.S.T. = Energy Saving Trust

Fan Dimensions

The drawing is for dimensional purposes only. Dimensions in mm.

Performance Curve

Summary of Contents for MRXBOX95-LH2

Page 1: ...496 Electrical Supply 1 Phase Motor Current flc 2 1 A Motor Current sc 2 1 A Max Operating Temp 40 C Weight 21 kg Sound Data Acoustic perfomance to BS848 Part 2 2 and AMCA 300 Breakout Noise dBA 51 dBA 3m Inlet Noise dBA 43 dBA 3m Outlet Noise dBA 58 dBA 3m Breakout level is hemi spherical For spherical deduct 3 dBA Sound Power Levels re 1 pWatts Hz Hz 63 125 250 500 1k 2k 4k 8k Open Inlet 43 50 5...

Page 2: ...etc The supply air shall be pre heated by the warm extract air via the integrated counter flow heat exchanger element The extracted air shall also be filtered before it reaches the heat exchanger block The ventilation unit shall vary its speed and therefore the ventilation rate as it receives signals from one of the following Switched live signal from light remote switches When signals are receive...

Page 3: ... 671496 January 2011 MRXBOX95LH1 LH2 Mechanical Ventilation Unit with Heat Recovery for Loft Mounting Installation and Maintenance Registered Office Nuaire Limited Western Industrial Estate Caerphilly CF83 1NA Company Registration No 877308 Registered in England Wales Tel 029 2085 8200 www nuairegroup com EMS 517710 ...

Page 4: ... tray end of the unit see figures 2a 2b and 2c for fixing details Lower the unit with the L shape fixing brackets attached onto the joists Mark through the brackets and drill four clearance holes into the top surface of joists Locate anti vibration mounts supplied above and below each bracket fixing point hole and using 4 suitable screws not provided and washers fix the unit to the joists see fig ...

Page 5: ...ng layout plans should be adhered to if available 4 It is recommended the 204 x 60mm ducting be used and the number of 90 Deg bends be kept to a minimum 5 Ducting joints must be sealed with duct tape and or silicone sealant For further information refer to Building Regulations Part F and BRE appendix Q website Any air intake terminal MUST be installed in accordance with the appropriate regulation ...

Page 6: ...densate drain alternative position SIDE VIEW non controls 4 alternative 150mm dia spigots on back of unit 3 0 Dimensions mm Figure 4 Main unit components shown with front and lid removed G4 removable filter G4 removable filter Adjustment potentiometers and indication lights Heat exchanger Four optional 150mm dia knockout spigot locations on rear of unit If required for use cut through the acoustic...

Page 7: ...ame metal cable tray as other cables 4 0 Electrical Connection Please note the electrical connection of the unit must be be carried out by a qualified electrician The unit is supplied with a flexible cord for connection to the mains supply Electrical details Voltage 240V 1ph 50Hz Consumption LH1 1 3 Amp LH2 2 2 Amp Fuse rating 3 Amp NOTE This unit must be earthed The three core cable from the main...

Page 8: ...ide panels 8 0 Replacement of Parts Should any component need replacing Nuaire keep extensive stocks for quick delivery Ensure that the unit is electrically isolated before carrying out any work When ordering spare parts please quote the serial number of the unit and the ARC number of the purchase if possible This information will be available on the fan label 9 0 Warranty The 5 year warranty star...

Page 9: ...change speed This is normal and will have no adverse effect on the fan The speed will return to normal once the interference has subsided 5 0 INSTALLATION REQUIREMENTS In addition to the particular requirements given for the individual product the following general requirements should be noted 5 1 Where access to any part of equipment which moves or can become electrically live are not prevented b...

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