VES MERA250 User manual

MERA250
Wall Mounted Axial Fan
VES Andover Ltd Eagle Close Chandlers Ford Ind. Est Eastleigh Hampshire SO53 4NF
Tel: [phone] Fax: [phone] e-mail: v[email protected] web: www.ves.co.uk
Original Instructions : Installation, Operation & Maintenance Manual
ID Ref 917b • August 2014
Original Instructions : Installation, Operation & Maintenance Manual Original Instructions : Installation, Operation & Maintenance Manual
This manual must be read in full before Installation, Operation and
Maintenance of the units supplied. Please ensure that this document is
passed to the end user. This manual forms an integral part of the product
and should be kept for the working life of the product. Additional copies of
this and supporting documents are available by contacting VES or by
visiting www.ves.co.uk and following the 'Download O & M's' link.
IMPORTANT
The following symbols used within this document refer to potential dangers
or advice for safe operation
Indicates hazards associated with electric current and high
voltages
Indicates hazards that require safety advice for personnel
and/or potential unit/property damage
Indicates important information
Unit Description
The MERA250 wall mounted axial fan
This fan
is reversible and can operate in extract or supply modes. Mode selection is
achieved via the pull cord switch. For full unit details please see the unit
specification later in the document.
Immediately upon receipt of your MERA250 fan, check there is no damage
to the fan, and that the four fixing screws and matching wall plugs are
included within the ancillary bag.
In the event of any damage having occurred or if any item is found to be
missing, it is essential to inform VES Andover Ltd. within 7 days of delivery
quoting sales order number and the unit type. After this period, VES would
be unable to accept any claim for damaged or missing goods.
is suitable for a range of light
commercial applications including; shops, sports halls, warehouses.
MERA250......................................... Wall mounted reversible axial fan,
c/w fan blade auto shutter system
Part Number Description
Dimensions AB C D E F(mm) Ø
MERA250 252 285 350 24 50 46
IMPORTANT
Before attempting to carry out any work on our units, all accompanying
documentation including warning labels on the unit must be referenced.
Should it be necessary to remove any component ensure that these are
secured into position once reinstalled. It is critical that after any
maintenance work has been conducted that all components removed
/replaced be refitted correctly by a competent engineer.
DEF
C
B
ØA
IMPORTANT
MERA250 fans should be installed in accordance with current IEE
Regulations BS7671 and the appropriate Building Regulations.
IMPORTANT
These fans are not suitable for ceiling mounting.
For fan positioning refer to Building Regulation for specific requirements.
If installed in a room containing a fuel burning device without a balanced
flue, it is the installers responsibility to ensure that is enough replacement
air to prevent any fumes being drawn back down the flue when the fan is
operating at full speed.
The fan should be installed with an appropriate duct kit and consideration
must be given to ensure that access to all moving parts of the fan are
restricted when the fan is in use.
C
B
MERA250
Dimension drawings

IMPORTANT
Before aempng to carry out any maintenance or repair work on our
units, the unit MUST BE COMPLETELY ISOLATED from its electrical supply.
Ensure a minimum of two minutes aer electrical disconnecon before
aempng access. This will allow any moving parts to come to a rest.
VES Andover LtdEagleCloseChandlersFord Ind. Est Eastleigh Hampshire SO53 4NF
Tel: [phone] Fax: [phone] e-mail: [e-mail] web: www.ves.co.uk
Original Instrucons : Installaon, Operaon & Maintenance Manual
WEEE Direcve
Aheend oheiruseful life the packaging and productshould
bedisposed of viaasuitable recycling centre. Do notdispose of
with normal household waste. Do notburn.
Standards
MERA fans conform to all relevant Brish and European
standards and direcves. Further informaon is available
from VES Andover Ltd on request
Pleaseensure thahisdocumenspassed on to theenduser
We reserve the right to alter the specificaon without noce
©VES Andover Ltd. 2010. No part of this publicaon may be
photocopied or otherwise reproduced without the prior
permission in wring of VES Andover Ltd.
Maintenance
1. Before cleaning, isolate the fan completely from the mains supply.
2. Carefully remove the front cover
3. To clean the front cover, either wipe it with a damp, lint free cloth or
wash it in warm soapy water. Thoroughly dry the front cover and refit.
4. Do not immerse the fan in water or other liquids to clean any other parts
of the fan.
5. Never use strong solvents to clean the fan.
6. Apart from cleaning, no other maintenance is required.
For replacement fans or install kits please visit www.vesdirect.co.uk
Specificaon
Power Supply 230VAC 50Hz
Operang Temperature 0~40°C
Insulaon Class 1
Motor Protecon IP rated to X2
gniraeBepyTrotoM
0241)mpr(deepS
63)W(rewoP
51.0)A(tnerruC
Warranty
The fan is guaranteed against defects for 1 year from the date of purchase.
If you have any problems, contact VES at the address shown below.
Original Instrucons : Installaon, Operaon & Maintenance Manual
Wire the fan as per
wiring diagram &
instrucons
Prepare hole in
mounng surface &
plug mounng holes as
required
Replace snap on front
cover
Installaon connued
Secure fan body
mounng surface
Original Instrucons : Installaon, Operaon & Maintenance Manual
Wiring Diagrams
Standard Wiring
(Typical Installaon)
Operaon
The MERA250 fan
To iniate the extract
mode pull the switch once, to reverse the fan pull twice, and pull a third
me to stop the fan. Ensure that excessive force is not used when pulling
the switch as this may damage the unit.
is reversible and can operate in extract or supply mode.
Mode selecon is achieved via the pull cord switch.
IMPORTANT
All electrical work should be carried out by a qualified engineer and in
accordance with the current IEE Regulaons.
Before aempng to carry out any maintenance or repair work on our
units, the unit MUST BE COMPLETELY ISOLATED from its electrical supply.
Ensure a minimum of two minutes aer electrical disconnecon before
aempng access. This will allow any moving parts to come to a rest.
Fuse
Double Pole
Isolang Switch
L
N
E
Fan
Terminals
Not Used
L
N
E
IMPORTANT
The fan must be fused at 3A unless it forms part of a 5A lighng circuit.
An isolator should be installed to isolate all poles to the fan. Please note the
integral pull cord switch does not isolate the fan from the electrical supply.
Using the fan chasis as a
template, mark centre holes
on mounng surface
Remove the front cover
from the fan by hand - tools
not required
x1 x2 x3
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