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PRODUCT FICHE 

For Residential Ventilation Units (Complying Commission Delegated Regulation (EU) No 1254/2014) 

Name:  

Vent-Axia 

Vent-Axia 

Vent-Axia 

Model ID (Stock Ref.) : 

Lo-Carbon PureAir 

home - 479090 

Lo-Carbon PureAir 

home - 479091 

Lo-Carbon PureAir 

home - 479092 

SEC Class 

SEC Value ('Average') 

28.30 

28.30 

28.30 

SEC Value ('Warm') 

12.80 

12.80 

12.80 

SEC Value ('Cold') 

55.36 

55.36 

55.36 

Label Required? (Yes/No=Out of scope) 

No 

No 

No 

Declared as: RVU or NRVU/UVU or BVU 

RVU-UVU 

RVU-UVU 

RVU-UVU 

Speed Drive 

Variable Speed 

Variable Speed 

Variable Speed 

Type HRS (Recuperative, Regenerative, None) 

None 

None 

None 

Thermal Eff: [ (%), NA(if none)] 

N/A 

N/A 

N/A 

Max. Flow Rate (m3/h) 

198.00 

198.00 

198.00 

Max. Power Input (W): (@Max.Flow Rate) 

14.00 

14.00 (fan only) 

464 (fan with heater) 

14.00 (fan only) 

464 (fan with heater) 

LWA: Sound Power Level (dB) 

35.53 

35.53 

35.53 

Ref. Flow Rate (m3/s) 

0.04 

0.04 

0.04 

Ref. Pressure Diff. (Pa) 

N/A 

N/A 

N/A 

SPI [W/(m3/h)] 

0.09 

0.09 

0.09 

Control Factor & Control Typology: (CTRL/ Typology) 

  

  

  

Control Factor; CTRL 

0.65 

0.65 

0.65 

Control Typology 

Local Demand Control  Local Demand Control  Local Demand Control 

Declared: -Max Internal & External Leakage Rates(%) for BVUs or 

carry over (for regenerative heat exchangers only),                                                                                                                         

-&Ext. Leakage Rates (%) for Ducted UVUs; 

N/A 

N/A 

N/A 

Mixing Rate of Non-Ducted BVUs not intended to be equipped with 

one duct connection on either supply or extract air side; 

N/A 

N/A 

N/A 

Position and description of visual filter warning for RVUs intended 

for use with filters, including text pointing out the importance of 

regular filter changes for performance and energy efficiency of the 

unit 

N/A 

N/A 

N/A 

For UVUs (Instructions Install Regulated Supply/Extract Grilles 

Façade) 

In F&W 

In F&W 

In F&W 

Internet Address (for Disassembly Instructions) 

www.vent-axia.com 

www.vent-axia.com 

www.vent-axia.com 

Sensitivity p. Var20/-20 Pa: (for Non-Ducted Vus) 

N/A 

N/A 

N/A 

Air Tightness-ID/OD-(m3/h) (for Non-Ducted Vus) 

N/A 

N/A 

N/A 

Annual Electricity Consumption: AEC (kWh/a) 

0.46 

0.46 

0.46 

Annual Heating Saved: AHS (kWh/a) 

  

  

  

AHS: Average 

28.30 

28.30 

28.30 

AHS: Warm 

12.80 

12.80 

12.80 

AHS: Cold 

55.36 

55.36 

55.36 

Summary of Contents for Lo-Carbon PureAir Home 479090

Page 1: ...TH THE ILLUSTRATIONS PLEASE SAVE THESE INSTRUCTIONS Lo Carbon PureAir Home Positive Input Ventilation Unit Stock Ref N 479090 PureAir Home 479091 PureAir Home with Heater 479092 PureAir Home FD Installation and Wiring Instructions 220 240V 50Hz ...

Page 2: ...2 ...

Page 3: ...eaning and user maintenance shall not be made by children without supervision 7 Precautions must be taken to avoid the back flow of gases into the room from the open flue of gas or other fuel burning appliances 8 Children of less than 3 years should be kept away unless continuously supervised 9 Children aged from 3 to 8 years shall only switch on off the appliance provided the unit is installed as...

Page 4: ...hat the loft hatch is tightly sealed Ensure that all holes in the ceilings are sealed i e ceiling light fittings etc A visual inspection of any flues or chimneys for leakage in the loft should be carried out by the installer Flexible ducting is supplied as standard Ensure that this is pulled out into a smooth single curve to the grille with no additional bends or excess ducting If the application ...

Page 5: ...be adjusted to suit ceiling joists of varying spans Adjust the legs and feet so that the unit spans over two joists Secure the feet to the joists with screws Fig 4 In the unlikely event that the legs cannot span the ceiling joists affix the unit to a wooden board or two lengths of timber which can then be screwed to the joists Fit the filters to the unit Please make sure that the filters are fitte...

Page 6: ...er tighten these screws as this may warp the diffuser Refit the domed cover panel Fit the free end of the flexible ducting to the diffuser spigot using the worm drive clip supplied IMPORTANT SMOKE DETECTORS The diffuser should not be situated within 1m of a smoke detector however if this is not possible the Lo Carbon PureAir home has provisions to blank off the airflow for up to two quadrants of t...

Page 7: ...ent Ensure the ducting is securely fixed to the diffuser and fan or heater if applicable via the provided worm drive clips Fig 8 Heater Unit The fan heater unit must not be located directly below a socket AIR FILTER FOAM SEALS Please ensure the filter foam seals x6 are fitted to the spigot ends before fixing the filters Fig 10 11 Line up the foam seals with the edge of the spigots making sure not ...

Page 8: ...ve at removing finer particles such as particulate emissions from diesel engines In urban areas close to main roads F7 filters are advisable in order to ensure the supply air is clear of these particles which are potentially harmful to health Where F7 filters are fitted please ensure the flow rate of the fan is as expected F7 filters cause extra system resistance so it may be necessary to increase...

Page 9: ...t or a similarly qualified person in order to avoid a hazard PureAir home units Ensure the local AC power supply is isolated The product has a pre wired flying lead Connect the brown core to Live and the blue core to Neutral Use cable clamps and clips to secure the cable as appropriate Fig 13 Fig 12 IMPORTANT PureAir home Fire Damper FD models e g 479092 must be fitted with a smoke alarm with a re...

Page 10: ...o the connector under the display on the fan 2 Wire the boost switch to the two terminals within the junction box Ensure the cable is secured properly The switch links the two wires together to activated boost remotely Once deactivated the fan overruns for the set timeout period see bst timer within the fan menu a Normally open normal mode trickle b Closed link boost is activated Within the fan me...

Page 11: ...SSIONING Accessing the Commissioning Menu If the fan is powered and the display is not lit then press any button to access the menu After 30 seconds without menu activity the display will switch off any changes to the settings will then be applied There are three buttons on the front of the unit Menu Structure MODE The button is used to increase the value of a setting the button is used to reduce ...

Page 12: ... button is pressed the display will show At this point enter the 3 digit code by first pressing or until the first digit is correct then press MODE to move to the next digit Repeat until the code is entered and press MODE to enter the commissioning menu If the code is entered incorrectly wait until the screen switches off then press any button to begin again Radon Mode Radon mode keeps the fan run...

Page 13: ...er may be gently cleaned with a vacuum cleaner or washed in a soapy water solution and allowed to air dry before re fitting Do not dry the filter in a tumble dryer When re fitting make sure that the filter is fitted correctly This will ensure that all the fresh air entering the dwelling has passed through the filter first Below is a list of spares and accessories available for the PureAIr home Spa...

Page 14: ...ol Typology CTRL Typology Control Factor CTRL 0 65 0 65 0 65 Control Typology Local Demand Control Local Demand Control Local Demand Control Declared Max Internal External Leakage Rates for BVUs or carry over for regenerative heat exchangers only Ext Leakage Rates for Ducted UVUs N A N A N A Mixing Rate of Non Ducted BVUs not intended to be equipped with one duct connection on either supply or ext...

Page 15: ...15 ...

Page 16: ...ar warranty if purchased and installed by a recommended contractor against faulty material or workmanship In the event of any part being found to be defective the product will be repaired or at the Company s option replaced without charge provided that the product Has been installed and used in accordance with the instructions given with each unit Has not been connected to an unsuitable electricit...

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