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Minivent Shower Fan Kits
248710 AND 248810 WITH TIMER
Fitting and Wiring Instructions
230-240V/1/50Hz
Kit contents:
Minivent shower fan
Inlet grille and fixings
Outlet grille and fixings
3m flexible ducting
4 nylon straps
Fan mounting strap and base
FITTING INSTRUCTIONS FOR VENT-AXIA MINIVENT SHOWER FAN
READ INSTRUCTIONS CAREFULLY BEFORE STARTING INSTALLATION.
IMPORTANT With the fan positioned so that the cable is pointing
1. All electrical connections should be made by a downwards and the arrow is pointing towards the out-
properly qualified electrician. The fan must be sited let grille, pass the fan mounting strap through the base
and connected in accordance with current IEE slots and wrap around the centre of the fan and pull
regulations (BS7671) or the appropriate standards in tight.
your country. 5. Stretch and cut the duct (see note) to fit between
2. This is intended to ventilate a shower area or each grille and the centreline of the fan. Attach the
cubicle, but the fan motor must be mounted outside outlet grille to the duct using a nylon strap, pass the
the shower area or cubicle, and away from direct duct through the outlet hole and secure the grille
sources of water spray (see fig. 1.). using the fixings provided. Slide the free end of the
The motor must be out of reach of a person using a duct onto the outlet end of the fan and secure with a
fixed bath or shower. Site away from direct sources of nylon strap.
heat in excess of 45 °C. Do not site in an area 6. Attach the inlet duct to the inlet grille using a nylon
containing excessive levels of grease. strap. Pierce a hole in the TOP of the duct approxi-
3. When the fan extracts from a room containing a fuel mately 40mm from the fan, pass the cable
burning appliance, the installer must ensure that the through and then slide the duct onto the fan. Secure
air replacement is adequate for both the fan and the the duct with a nylon strap. Seal wiring hole as neces-
fuel burning appliance. sary.
4. Wiring should be via a switched spur with a 3 amp NOTE: The duct should be stretched without any holes
fuse (UK). Double pole switch or plug and socket or splits and should not exceed 3 metres in order to
should be located outside the room containing a fixed obtain best performance.
bath or shower.
5. Ducted applications. In circumstances where an WIRING See Figs 2, 3 , 4 & 5.
excessive amount of moisture is present in the air, then 1. ENSURE THAT THE MAINS SUPPLY IS
a condensation trap will need to be installed in the SWITCHED OFF BEFORE PROCEEDING WITH THE
exhaust duct. Horizontal ducts should fall away from WIRING.
the fan unit. Ducts passing through an unheated roof This fan is only suitable for connection to a 230-240V
void should be insulated together with the fan unit. 50Hz Supply and MUST be earthed. The fan is
intended for connection to fixed wiring.
INSTALLATION See Fig. 1 2. The installation must be provided with a double
1. Mark positions where the grilles are to be sited, pole isolator switch having a contact separation of not
having ensured that there is adequate clearance be- less than 3mm.
hind. 3. Using a suitable 5 amp junction box and 3 core
2. Cut a 115mm hole in the ceiling and screw the inlet cable of 5 amp rating, connect the fan leads to the
grille in place. switched fuse outlet as shown in the wiring diagrams.
3. Cut a 115mm hole for the outlet grille. Note that the leads are colour coded: brown - live (L),
4. Position the fan at the highest point on the system blue - neutral (N), black - switched live (Ls, timer model
with a slope downwards to both grilles. In this position only), and green/yellow - earth (E/ ).
fix the fan mounting strap base to a suitable support 4. Switch on the mains supply and check the fan
using a woodscrew or other suitable fixing. operation.
Fig. 1.
ADDITIONAL WOOD
BATTEN
FAN CABLE
MOUNTING STRAP
BASE
INLET FIXING SCREW
GRILLE
OUTLET FAN
LOFT AND DUCT INSULATION GRILLE
OMITTED FOR CLARITY MOUNTING STRAP
Fig. 2. Fan and room lighting switched On/Off Fig. 3. Fan and room lighting switched On/Off
at same time. (248710. Minivent SK). separately. (248710. Minivent SK).
240V 50Hz 240V 50Hz
FAN LEAD CONNECTIONS FAN LEAD CONNECTIONS
E N L E N L
E/ N L E/ N L
3 AMP
3 AMP
JUNCTION
JUNCTION BOX
BOX
ROOM
LIGHTING
ROOM
LIGHTING
FAN SWITCH
ON/OFF SWITCH
Fig. 4. Fan switched On/Off by Vent-Axia Humidiswitch. Room
lighting by separate switch. (248710. Minivent SK). LIGHT SWITCH
240V 50Hz FAN LEAD CONNECTIONS
E N L E/ N L JUNCTION
BOX
3 AMP
2 OPTIONAL HUMIDISWITCH
1 3 VENT-AXIA STOCK REF. No. 563501
ROOM
LIGHTING
ON/OFF SWITCH
Fig. 5. Fan runs on for 15 mins. after room lighting is switched
off. (248810. Minivent SK with timer).
240V 50Hz
E N L
FAN LEAD CONNECTIONS
NOTE: When power is first
3 AMP
switched on to the unit, it will run
E/ Ls N L for 15 mins. continuously. Follow-
ing this initial period it will then
only be triggered by the Ls
(switched live) connection.
ROOM
LIGHTING
PULLCORD
SWITCH
VENT-AXIA SALES CENTRES
SCOTLAND 12 Lambhill Quadrant, SOUTHEAST Newton Road,
Scotland Street Trading Estate, Crawley, West Sussex RH10 2JA
Kinning Park, Glasgow G41 1SB Telephone: 01293 530202 Fax: 01293 565169.
Telephone: 0141 429 1166 Fax: 0141 429 6616.
EASTERN Newton Road,
NORTH WEST Unit 2 Caledonia Way, Crawley, West Sussex RH10 2JA
Stretford Motorway Est. Telephone: 01293 530202 Fax: 01293 565169.
Barton Dock Road, Manchester M32 0ZH
Telephone: 0161 865 8421 Fax: 0161 865 0098. LONDON Newton Road,
Crawley, West Sussex RH10 2JA
NORTH EAST Telephone: 0181 549 2271 Fax: 01293 565169.
Telephone: 0113 245 2985 Fax: 0113 242 4430.
NORTHERN IRELAND 11 Sydenham Road,
Belfast BT3 9DH
MIDLANDS
Telephone: 01232 455528 Fax: 01232 452529.
Telephone: 0121 783 8601 Fax: 0121 784 7506.
REPUBLIC OF IRELAND
SOUTH WEST 1340 Aztec West, Vent-Axia Ventilation Ltd. 921 Western Industrial
Almondsbury, Bristol BS12 4RX Estate, Naas Road, Dublin 12
Telephone: 01454 612000 Fax: 01454 612020. Telephone: 01 450 4133 Fax: 01 450 4570.
Internet site at: www.vent-axia.com email: info@vent-axia.com
The Vent-Axia Guarantee
Applicable only to products installed and used in the United Kingdom. For details of guaran-
tee outside the United Kingdom contact your local supplier.
Vent-Axia guarantees its products for two years from the date of purchase against faulty
materials or workmanship. In the event of any part found to be defective, the product will be
repaired, or at the Company's option replaced, without charge, provided that the product:
1) has been installed and used in accordance with the instructions given with each unit
2) has not been connected to an unsuitable electricity supply. (The corrrect electricity sup-
ply voltage is shown on the product rating label attached to the unit.)
3) has not been subject to misuse, neglect or damage.
4) has not been modified or repaired by any person not authorised by the company.
IF CLAIMING UNDER TERMS OF GUARANTEE
please return the complete product, carriage paid to your original supplier or nearest Vent-
Axia Centre, by post or personal visit. Please ensure that it is adequately packed and accom-
panied by a letter clearly marked 'Guarantee Claim' stating the nature of the fault and providing
evidence of date and source of purchase.
This guarantee is offered to you as an extra benefit, and does not affect your legal rights.
As part of the policy of continuous product improvement Vent-Axia reserves the right to alter specifications without notice.
Head Office: Fleming Way, Crawley, West Sussex RH10 2NN
Tel: 01293 526062 Fax: 01293 551188
468391 E 1099
