Site Requirements - Vent-Axia HR400 Installation And Servicing Instructions

2.0 Site Requirements

2.1 Information
1. The fan unit is to be permanently connected
to the mains electrical supply and must be
installed by a suitably qualified person.
2. The fan unit must be sited and connected in
accordance with UK Building and IEE Wiring
Regulations (BS 7671) or regulations and /or
standards appropriate to the country of use.
3. Wiring to the fan unit in the UK must be via
a 3 Amp fused and switched connection unit
incorporating a double pole switch having a
contact separation not less than 3mm and
conforming to BS 5733 or BS 1363 Part 4. The
connection must be located outside of a fixed
bath, shower or wash hand basin. The wiring
should be suitably (BASEC or HAR) approved
cable of appropriate current carrying capacity.
4. The fan unit is Class 1 and must therefore be
earthed.
5. The fan unit must be connected to a trapped
drainage system to allow condensate to be
freely drained from the unit to the chosen
discharge point.
6. If the fan is installed in an unheated roof
void, or similar location, it should be insulated
together with any associated ducting within this
space.
7. The fan unit must be sited away from direct
sources of heat in excess of 40°C.
8. Do not position an internal extract valve/grille
in the vicinity of excessive levels of airborne oil
or grease i.e. above or close to a cooker.
9. If it is intended to fit an extract terminal/grille
in a room containing a fuel burning appliance,
the installer must ensure that provision for air
replacement is adequate for both appliances
and is in compliance with the requirements of
Part F of the current edition of the Building
Regulations.
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