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Xvent multipoint ventilation units 

Xvent 340 range 

  

 

 

 

 

 

 

Information on Maintenance and Operation 

For the Householder 

 

Your home has been fitted with a mechanical ventilation system. The system should consist of a central 
mechanical extract fan, ducting, an external exhaust and extract valves in all the wet rooms e.g. the 
kitchen, bathroom and toilet. The proper working of the system will provide a healthy indoor atmosphere 
and will help eliminate condensation.  
The Xvent 340 / Xvent 340DC system is (or can be) fitted with a 3-position switch, while the Xvent 
340DCRF system is used in conjunction with a three speed wireless transmitter to set 3 different running 
speeds. The high speed setting is a boost position for the extract of cooking smells or moisture-laden air, 
when this is in use it is advisable to open window vents or a window to provide replacement air.  
The middle position would be the normal running position in a house with the low speed position as a 
background position if the house is not fully occupied. In a smaller dwelling or flat the low speed position 
could be the normal running position with the middle position as a boost.  
The fan is designed to run continuously 24 hours a day. It is fitted with an energy efficient electric motor.  

 

Maintenance  

 

In normal running the design of the fan attracts very little dirt. It may be advisable to have the unit 
inspected by your installer once every 4 or 5 years and cleaned if necessary.  
 

For the Installer

  

 

If you have any queries before installing these products or after they are installed call the Xpelair 
Technical H44 (0) 8709 000430. Our engineers are there to help during normal office hours 
(UK only) and may be faxed at all other times on + 44 (0) 8709 000530. 
Customers outside the UK please contact your local Xpelair distributor, details of which are 
available from the UK office. 

 

Characteristics  

 

The electric motor and fan are enclosed in the ventilator housing. Attached to the casing are 4, 125 mm 
diameter spigots for ductwork connections, 3 for extract ductwork and one common spigot to take the 
waste air to atmosphere.  

Summary of Contents for 340

Page 1: ...eed position as a background position if the house is not fully occupied In a smaller dwelling or flat the low speed position could be the normal running position with the middle position as a boost The fan is designed to run continuously 24 hours a day It is fitted with an energy efficient electric motor Maintenance In normal running the design of the fan attracts very little dirt It may be advis...

Page 2: ...5m away from open door or window or the inlet of another ventilation device The fan unit must always be firmly fixed This can be done by either of the methods below Using woodscrews fixed through the corner of the ventilator box Using threaded bolts in the notched holes Electrical The Xvent 340 and Xvent 340DC can be wired to run at speed 1 2 or 3 or by use of a 3 speed switch which gives speed ch...

Page 3: ...llations and wiring must conform to current IEE Regulations UK local or appropriate regulations other countries A means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules 1 Switch off the mains electrical supply and remove all fuses before commencing wiring 2 Wire the fan as shown below 3 Connect the cable from the isolating switch to the electrical supp...

Page 4: ...er PROGRAMMING Using a fine screwdriver briefly 1 6 sec press the flush programming key situated on the receiver on the Xvent unit A light signal starts flashing flashing 1 sec Program all RF emitters that have to interwork with the receiver one by one The correct reception of an address is acknowledged by a long light signal 4sec Up to 32 emitters can be programmed per receiver When this maximum ...

Page 5: ...he Xvent 340 is guaranteed against defects for 3 years from the date of purchase UK The Xvent 340DC Xvent 340DCRF is guaranteed against defects for 5 years from the date of purchase Please keep your purchase receipt If you have any problems contact Xpelair s Head Office at the address shown below Customers outside UK see international below UK Xpelair have a comprehensive range of services includi...

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