5
December 2020
08/100245/0
Installing the Ventilation Unit
The ventilation unit must always be firmly fixed through the four mounting points provided
Ensure the unit is installed by either of the following methods:
1. Using suitable wood screws with a head size
≥8mm
2. Using threaded bolts
≤5mm with a head size ≥8mm
NOTE:
The ventilation unit is well balanced however, if desired, antivibration
mounts with
threaded bolts ≤5mm
could be used.
Connecting the Ducting
1. Push the 125mm solid duct on the XEL spigot.
2. Push the 125mm to 150mm adapter into the 125mm solid duct.
3. (XELH version only) Insert the cold side of the heater into the adapter.
4. Place one of the supplied worm drive clips over the flexible duct.
5. Fix the flexible ducting to the adapter or heater and tighten the worm drive clip.
6. Place the second worm drive clips over the flexible duct.
7. Fix the flexible ducting to the 150mm to 200mm adapter.
8. (XELH version only) Drill an 8mm hole in the 150mm side of the adapter and
insert the temperature probe from the heater as shown on the right.
9. Push the adapter onto the installed diffuser mounting ring.
NOTE:
When testing the ventilation unit check the ducting for any air leaks and seal with duct tape if necessary.
Electrical Connection
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE
ISOLATED FROM THE POWER SUPPLY DURING INSTALLATION OR
MAINTENANCE.
All installations must be supervised by a qualified electrician. Installations and wiring must conform to current IET Wiring
Regulations (BS7671) (UK), local or appropriate regulations (other countries).
A means for disconnection must be incorporated in the fixed wiring in accordance with wiring regulations.
Check that the electrical rating shown on the fan matches the mains supply.
This appliance is intended for connection to fixed wiring. The connection should be made with a double insulated cable with cable
cores greater than 0.75mm
2
; which has been appropriately specified for this specific application by a qualified professional.
WARNING: THIS APPLIANCE MUST BE EARTHED.
Remove the cover by undoing the eight screws
identified in the image to the right.
A long reach PZ2 screw driver at least 150mm long is
required for this step.