Clarke Contractor CON305 Instruction Manual

OPERATION & MAINTENANCE
INSTRUCTIONS
ORIGINAL INSTRUCTIONS GC0320 - ISS 1
12” VENTILATOR
MODEL NO: CON305 (110V)
PART NO: 3230480

2
Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
INTRODUCTION
Thank you for purchasing this CLARKE Ventilator which is designed for indoor
use in an industrial environment.
Read this manual carefully, in doing so you guarantee the safety of yourself
and that of others around you, and you can look forward to your purchase
giving you long and satisfactory service.
SAFETY WARNINGS
Make sure that you read, understand and comply with the following warnings.
POSITIONING
Be aware that the suction capability is considerable. Do not position the
ventilator where it will blow dust or hazardous fumes at people.
DO NOT place the ventilator close to any wet surface. DO NOT place against
any surface such as a wall, door or furniture etc.
DO NOT place the ventilator on a raised surface or anywhere it could topple
over.
Only use the ventilator in a level position.
Ensure that the intake grille cannot be blocked by curtains or other fabrics. Do
not allow loose clothing, long hair, jewellery etc. to be drawn into the intake
side of the fan.
DO NOT operate the ventilator in explosive atmospheres such as in the
presence of flammable liquids, gases or dust such as in a paint spray booth.
Electric motors create sparks which may ignite dust or fumes.
DO NOT cover the fan or obstruct the air inlet and outlet sections of the
ventilator.
DO NOT get the ventilator wet or use in areas of high condensation.
DO NOT allow the power cable to touch hot surfaces.
DO NOT operate without the safety grills secured in position.
PERSONNEL SAFETY
DO NOT use the ventilator when you are tired or under the influence of
alcohol, drugs or intoxicating medication.
DO NOT stand on the ventilator.

3
Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
DO NOT use the ventilator with wet hands or when there is water on the power
cable.
Young children must be kept away unless supervised.
ELECTRICAL SAFETY
Inspect the power cable / plug for damage/looseness. Do not use the
ventilator if the power cable is damaged.
Make sure that the voltage on the product label is the same as the voltage of
the power supply. If in doubt, consult a qualified electrician.
DO NOT abuse the electrical cable. Do not use the cable for pulling or
unplugging the ventilator.
Keep the cable away from sources of heat, oil, sharp edges or moving parts.
Damaged or tangled cables increase the risk of electric shock.
DO NOT use extension cables with this ventilator.
SERVICE & REPAIRS
Check that the ventilator is in good working order. Take immediate action to
have it repaired or any damaged parts replaced.
DO NOT attempt to repair the ventilator yourself. Always contact the CLARKE
service department who will use recommended parts only. Unapproved parts
may be dangerous and will invalidate your warranty.
ENVIRONMENTAL RECYCLING POLICY
By purchasing this product, the customer is taking on the obligation
to deal with its safe disposal in accordance with the Waste Electrical
and Electronic Equipment regulations (WEEE).
In effect, this means that this product must not be discarded with
general household waste but according to the laws governing Waste
Electrical and Electronic Equipment (WEEE) at a recognized disposal facility.
GUARANTEE
This product is guaranteed against faulty manufacture for a period of 12
months from the date of purchase. Please keep your receipt as proof of
purchase. This guarantee is invalid if the product is found to have been
abused, tampered with, or not used for the purpose for which it was intended.
Faulty goods must be returned to their place of purchase, no product can be
returned to us without prior permission.
This guarantee does not effect your statutory rights.

4
Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
ELECTRICAL CONNECTIONS
This product can be connected to one of the following power supplies:
• 110V generator
• 110V isolating transformer
• 110V site supply
• 230V generator via a 110V transformer.
Connecting it to any other power source may cause damage.
This product includes a fitted industrial plug to BS-EN
60309, and a cable for use with a 110 volt supply. On
no account must a 230V, 13amp (BS1363) plug be
used.
If using a portable 110V transformer make sure it has a
rated capacity sufficient to take the load of the fan.
Should the plug need changing at any time, ensure
that a plug of identical specification is used and
proceed as follows:
1. Undo the socket screws & remove the rear section.
2. Rotate the cable clamp clear of the terminals.
3. Feed the cable through the rear gland in the plug.
4. Remove the cable sheath to the required lengths
as shown in the diagram.
5. Terminate the correct wires in the
correct terminal blocks as shown.
6. Remove the cable clamp screws. Clip
the cable clamp back into position and
place the clamp around the outer
sheath of the cable. Replace the screws
and tighten until the cable is securely
held.
7. Replace the rear cover and tighten the cover screws.
If in any doubt, consult a qualified electrician. DO NOT attempt any repairs
yourself.
WARNING! READ THESE ELECTRICAL SAFETY INSTRUCTIONS
THOROUGHLY BEFORE CONNECTING THE PRODUCT TO A
POWER SUPPLY.

5
Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
BEFORE USE
Before commencing assembly, check for damage and or shortages etc, any
damage or shortage should be reported to your CLARKE dealer where the
ventilator was purchased.
This ventilator can be used with
CLARKE 12” diameter retractable
ducting sold separately in 5 metre
lengths as follows:
Yellow (3230481)
1. Before use, attach the ducting to
the discharge end of the
ventilator as shown, secured with
the tie cord provided.
2. Place the ventilator in a level
position on a flat surface and at a safe distance from flammable materials.
3. The ventilator is operated by the ON/OFF switch.
4. Connect the ventilator to a suitable power outlet.
CARE & MAINTENANCE
Clean the ventilator with a soft damp cloth, Do not use solvents or abrasives.
If used in spaces with high dust content, clean the guards and fan blades by
vacuuming or wiping. Remove the end guard to gain access to the blades.
REPLACE GUARD BEFORE RE-CONNECTING TO POWER SUPPLY.
No other maintenance is required, should you discover any problem with the
ventilator return it to the CLARKE service department for repair.
Should the fan fail to operate, check the power supply and that the fuse in the
plug has not blown. Abnormal noise while the fan is running may occur if the
fan is not standing on a level surface.
WARNING: ALWAYS DISCONNECT FROM THE POWER SUPPLY BEFORE
PERFORMING ANY CLEANING OR MAINTENANCE TASKS. REPAIRS
SHOULD BE CARRIED OUT BY THE CLARKE SERVICE DEPARTMENT.

6
Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
SPECIFICATIONS
Model CON305 (110v)
Product dimensions complete (L x W x H) 375 x 386 x 430 mm
Drum diameter 380 mm
Fan diameter 300 mm
Product weight 15.35kg
Power supply 110V/50Hz
Electrical Insulation class II
Ingress protection rating IP54
Operating temperature range -20 to 50oC
Sound power level 69 dB
Rpm @ optimum energy efficiency 2866 rpm
Flow rate @ full speed 3900 m3/h
Rated air flow @ overall efficiency point 2379.7 m3/h
Rated air flow @ optimum energy efficiency 39.7 m3/s
Total pressure 385 Pa
Static pressure 236.1 Pa
Overall efficiency 51.8%
Measurement category C
Efficiency category Static
Efficiency grade 40
Rated motor input power @ optimum energy
efficiency
500W
Specific Ratio (EU no 327/2011) N/A

7
Parts & Service: 020 8988 7400 / E-mail: [e-mail] or [e-mail]
DECLARATION OF CONFORMITY