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Installation and Wiring Instructions for the 

Lo-Carbon PureAir Home Positive Ventilation Unit. 

 

SAFETY AND GUIDANCE NOTES 

 

     IMPORTANT: 
     READ THESE INSTRUCTIONS BEFORE COMMENCING THE INSTALLATION 

 
 

1. 

DO NOT install this product in areas where the following may be present or occur: 

1.1.  Excessive oil or a grease laden atmosphere. 
1.2.  Corrosive or flammable gases, liquids or vapours. 
1.3.  Ambient temperatures higher than 40°C or less than -5°C. 
1.4.  Possible obstructions which would hinder access or removal of the Fan. 
1.5.  Relative humidity above 90% 
1.6.  Sudden ductwork bends or transformations close to the Unit. 

2. 

All wiring to be in accordance with the current I.E.E. Regulations, or the appropriate 
standards of your country and MUST be installed by a suitably qualified person. 

3. 

The fan must be provided with a 3A fused, isolator switch capable of disconnecting 
all poles, having a contact separation of at least 3mm. 

4. 

Ensure that the mains supply (voltage, frequency, and phase) complies with the fan’s 
rating label. 

5. 

The fan should not be used where it is liable to be subjected to direct water spray. 

6. 

This appliance can be used by children aged from 8 years and above and persons 
with reduced physical, sensory or mental capabilities or lack of experience and 
knowledge if they have been given supervision or instruction concerning use of the 
appliance in a safe way and understand the hazards involved. Children shall not play 
with the appliance. Cleaning 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 intended for normal operation and they have been given 
supervision or instruction concerning safe use of the appliance and understand the 
hazards involved.  

10.  Children aged 3 to 8 shall not plug in, regulate and clean the appliance or perform 

user maintenance    

Caution - some parts of this product can become very hot and cause burns. 
Particular attention has to be given where children and vulnerable people are 
present. 
 

A. INTRODUCTORY NOTES

 

 

The Vent Axia Lo-Carbon PureAir Home is a positive input ventilation unit, designed to be installed in the loft of a 
dwelling to continually supply filtered fresh air into the building.  
 
The system consists of a fan unit, an 

optional

 heater unit and a diffuser with a short length of flexible ducting. 

 
The Lo-Carbon PureAir Home 

has two fully adjustable speed settings; ‘Trickle’ and ‘Energy Recovery’. These 

speeds are set during installation; there are 5 pre-set speeds or an option allowing the speeds to be chosen 
manually from 10L/s to 60L/s.  

Summary of Contents for Lo-Carbon PureAir Home FD

Page 1: ...H 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 Install...

Page 2: ...2...

Page 3: ...ion concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without sup...

Page 4: ...t blocked These may not be present in older properties however there should be enough leakage to accommodate the requirements of the Lo Carbon PureAir Home unit One method of checking this is by enter...

Page 5: ...entering the dwelling has passed through the filter first Ensure that the screw eye is attached to the beam strongly enough and that the beam is in sufficient condition to withstand the load The unit...

Page 6: ...the ceiling Fig 5 It is important not to over tighten these screws as this may warp the diffuser Fit the free end of the flexible ducting to the diffuser spigot using the worm drive clip supplied The...

Page 7: ...er spigot see Fig 7 where fitted to the unit there are locating pins that fix the heater to the unit using a bayonet fitting and the locking screw When fitted at the diffuser end make sure the directi...

Page 8: ...should be capable of disconnecting all poles having a contact separation of at least 3mm PureAir Home PureAir Home with Heater unit Ensure the local AC power supply is isolated The product has a pre w...

Page 9: ...ings will then be applied There are three buttons on the front of the unit The button is used to increase the value of a setting the button is used to reduce the value of a setting and the Mode button...

Page 10: ...ation is required optional F7 filters can be used These filters are effective at removing finer particles such as particulate emissions from diesel engines In urban areas close to main roads F7 filter...

Page 11: ...ired it is recommended not to use this setting By reducing the trickle speed threshold the fan will run at higher speed more often this would be helpful in a property with persistent damp problems Inc...

Page 12: ...y be necessary to use the manual speed selection to meet the required flow rate It is the responsibility of the installer to ensure that appropriate speeds are selected M SERVICING AND MAINTENANCE WAR...

Page 13: ...Power Input W Max Flow Rate 14 00 14 00 14 00 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 Co...

Page 14: ...14...

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Page 16: ...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...

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