Bofa AD 350 Operation Instructions Manual Download Page 11

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Version 10.08.2011

OPERATION

Manual operation

Stainless steel

AD units are turned on by depressing the green button on the front of

the extractor and turned off by depressing the red button. (See fig 9). Powder coated
AD

units are turned on and off by means of a green, illuminated rocker switch on the

rear of the unit, (See Fig 9).

Fig 9

Filter condition and System failure signal - indicators

The

LED’s on the front panel (see table below) indicate the following conditions

LED’S

SHOWING

INDICATES

Green Only

Unit is running - Filters are usable

Green & Amber

Pre or Combined Filter 75%
blocked

Green, Amber & Red

Pre or Combined Filter Blocked
and in need of replacing

Green, Amber & Red flashing

Fault with extractor.
This condition may occur for a few
seconds on start up

Red Alarm Light

Only used with optional extra Gas
Filter Change LED

Filter change procedures are explained in the Maintenance Section.

Summary of Contents for AD 350

Page 1: ...1 Version 10 08 2011 AD 350 FUME EXTRACTION UNIT OPERATIONAL INSTRUCTIONS ...

Page 2: ...siderations 9 Filter blocked System failure signal 9 Remote stop start 9 Remote Stop Start Over Ride 9 Electrical supply connection 10 General Safety Requirements 10 OPERATION 11 Manual operation 11 Gas Filter Change LED VOC monitoring 12 Optional features 12 Digital flow control 12 MAINTENANCE 13 Maintenance UK 13 Maintenance General 13 Cleaning Unit 13 Replacing Filters 13 Filter replacement ind...

Page 3: ... regulations for work on live components are always observed Important To reduce the risk of fire electric shock or injury 1 Always isolate the system from the mains power supply before removing the pump motor panel 2 Use only as described in the manual 3 Connect to a properly grounded outlet Dangers to eyes breathing and skin Once used the filters in the AD range of extraction units contain a mix...

Page 4: ... 10 08 2011 Warning and Information Labels Label Symbol Position Side of the unit next to the Protex clip Rear of Base of unit above inlet port Pump motor access panel exhaust box Next to power inlet connection ...

Page 5: ... returning the associated clean air back into the workplace Please note the media in the gas filter fitted in this unit is capable of adsorbing a wide range of organic compounds However it is the responsibility of the user to ensure it is suitable for the particular application it is being used on Fume Capture Methods The fume is normally captured by one of three methods a flexible arm and nozzle ...

Page 6: ... Fig 2 Fig 3 Enclosures Extraction can be attached to an enclosure around the marking zone provided the extraction point is situated within 50 75mm of the marking point See fig 3 Cabinets See fig 4 Cabinets normally have a 75 or 100mm spigot for fume extraction For best performance use the same diameter hose as the spigot and reduce at extractor if necessary Keep the hose run as short as possible ...

Page 7: ...nits are of robust design and feature ease of use with minimal maintenance The main components of the AD 350 are shown in fig 5 below Items may vary slightly Fig 5 1 Unit Filter Condition Display 2 On Off Switch 3 Airflow Control Panel 4 IEC Power Inlet 5 Hose Inlet Connection 6 Cooling Air In 7 Exhausted Air Out 8 Signal Interface Cable to Laser 1 2 3 4 5 6 7 8 ...

Page 8: ...fting equipment and with regard to appropriate safety precautions See Appendix for product weight details 2 Ensure that a 0 5m space is available around any louvered areas of the unit to ensure adequate air flow Lock the two castors if fitted Caution Do not block or cover any louvers or cooling holes on the unit as this severely restricts air flow and may cause damage to the unit Caution Under no ...

Page 9: ... cabinet next to the power cable The signal is a volt free contact i e a closed circuit will exist between the green and white wires when the filter condition is good and the unit is running This will change to an open circuit on filter blockage or system failure This feature should only be used on control voltage circuits The signal can be connected to the laser or alternatively to operate a beac...

Page 10: ...re fitted before operating this equipment General Safety Requirements The mains socket outlet should be installed near the equipment and be easily accessible Caution Do not block or cover the base or cooling vents on the unit as this severely restricts air flow and may cause damage to the unit this may be located on the base of the unit Caution This unit is over 18Kgs in weight and should only be ...

Page 11: ...dition and System failure signal indicators The LED s on the front panel see table below indicate the following conditions LED S SHOWING INDICATES Green Only Unit is running Filters are usable Green Amber Pre or Combined Filter 75 blocked Green Amber Red Pre or Combined Filter Blocked and in need of replacing Green Amber Red flashing Fault with extractor This condition may occur for a few seconds ...

Page 12: ... LED on the front panel will illuminate This indicates that the gas portion of the combined filter is saturated and the filter needs replacing See fig 11 The Maintenance section describes the filter change procedure Fig 11 Gas filter full indication VOC Monitor optional filter Optional features Digital flow control With this fitted the airflow can be increased or decreased by pressing the or butto...

Page 13: ...date the manufacturer s warranty Cleaning Unit The powder coated finish can be cleaned with a damp cloth and non aggressive detergent Do not use an abrasive cleaning product as this will damage the finish Stainless steel units should be cleaned with a proprietary stainless steel cleaner following the manufacturer s instructions The cooling inlets and outlets should be cleaned once a year to preven...

Page 14: ...ont panel Please note that the carbon media within the combined filter is hygroscopic and will absorb moisture from the atmosphere This is why these filters should be changed every twelve months regardless Pre filter replacement 1 Isolate the electrical supply to the unit 2 Undo the latches on either side of the unit and lift the motor section off 3 Remove the filters from the base 4 Vacuum out an...

Page 15: ...s filter should be changed every twelve months regardless Combined filter replacement 1 Isolate the electrical supply to the unit 2 Undo the latches on either side of the unit and lift the motor section off 3 Remove the filters from the base 4 Vacuum out any dust in the base 5 Remove the pre filter from inside the combined filter and if still serviceable fit into a new combined filter 6 Locate the...

Page 16: ... recommended Disposal of the used filters depends on the material deposited on them See the following table Deposit EWC listing Comment Non Hazardous 15 02 03 Can be disposed of as non hazardous waste Hazardous 15 02 02 M The type of Hazard needs to be identified and the associated risks defined The thresholds for these risks can then be compared with the amount of material in the filters to see i...

Page 17: ...onal LTD 21 22 Balena Close Creekmoor Industrial Estate Poole Dorset BH17 7DX UK Tel 44 0 1202 699444 Fax 44 0 1202 699446 Email technical bofa co uk Website www bofa co uk OR Bofa Americas Inc Bofa Americas Inc 303 S Madison Street Staunton Illinois 62088 USA Tel 618 635 4465 Fax 866 707 2632 BOFA Email info bofaamericas com Website www bofaamericas com ...

Page 18: ...r Centrifugal Fan Output 1 1kw Electrical supply 115 230v 1ph 50Hz FLC 12 5A Noise level below 63dB A At Typical Operating Speed Filters Pre filter Surface area 4 2m Efficiency F8 95 0 8µ Hepa filter Efficiency H13 99 997 0 3µ Gas filter Activated Carbon 8 5Kg Environmental Operating Range Temperature 5 C to 40 C Humidity Max 80 RH up to 31 C To Max 50 RH at 40 C Altitude Below 2000m Pollution Deg...

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