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Section 4 
 
Maintenance 

 

The cabinet should be isolated from the electricity supply before carrying out 
any maintenance procedures. 

 

Fuse 

The main fuse is located in the power inlet socket on the left hand side panel.  
Always replace with the correct type and rating: 3A Type T 

 

Light 

The unit is fitted with a long-life LED lamp and should require no maintenance.  

 

Filters 

Replacement filters are available from Monmouth Scientific: 

 

Part number/qty required 

 

Pre-Filter 

Main HEPA Filter 

PCB-1800 

PF-1065 (x3) 

K-HF0401 (x3) 

 

Pre-Filter 

These are located behind grilles on the front panel of the enclosure and can be 
changed by turning the thumbscrews and lowering the securing frame downwards. 

 

 

Содержание Circulaire PCB1800

Страница 1: ...Operating Maintenance Manual www monmouthscientific co uk Circulaire Powder Containment Booth PCB1800 ...

Страница 2: ...4 6 Maintenance 6 Fuse 6 Light 6 Pre filter 6 Main HEPA filter 7 Low airflow alarm 8 Section 5 8 Servicing 8 Warning This cabinet must be used in compliance with these instructions and any repairs or maintenance carried out by qualified personnel For parts or service information please contact Monmouth Scientific 44 0 1278 458090 ...

Страница 3: ... Distance from centre of filter face Max Velocity m sec 10mm 2 1 30mm 1 7 50mm 1 5 70mm 1 3 100mm 1 15 150mm 0 95 200mm 0 8 250mm 0 65 300mm 0 6 400mm 0 4 When fitted with new filters A 2 stage Filtration system is used with 2 easy change front inlet grille mounted course grade pre filters to capture gross particulate and an H14 HEPA main filter to provide higher level containment PCB1800 External...

Страница 4: ...flow warning light will flash until the airflow has reached its correct velocity and stabilised When the green SAFE AIRFLOW light is illuminated the cabinet is ready for use Testing Commissioning A test certificate will be supplied for conformity to CE marking and electrical test The airflow should be checked using a vane anemometer and the results recorded The main HEPA filter will have been fact...

Страница 5: ...tly monitored Should the airflow drop below a pre set minimum level during operation the red warning light will flash and an audible alarm will sound The most likely cause is a blocked Pre Filter which should be changed at the next opportunity see section 4 for details The fan speed control knob is to be used for initial set up and low airflow monitor calibration only see section 4 for details Pre...

Страница 6: ... correct type and rating 3A Type T Light The unit is fitted with a long life LED lamp and should require no maintenance Filters Replacement filters are available from Monmouth Scientific Part number qty required Pre Filter Main HEPA Filter PCB 1800 PF 1065 x3 K HF0401 x3 Pre Filter These are located behind grilles on the front panel of the enclosure and can be changed by turning the thumbscrews an...

Страница 7: ...nt gap is present to enable the removal of the HEPA filter which should freely slide out of place To refit check there is a sufficient gap and engage the new filter into the side guide rails taking particular care to ensure the seal does not drag on the bottom face and slide the filter all the way back until it rests against the backstop Re tighten the screws ensuring an even filter seal when full...

Страница 8: ... velocity Check in at least 3 positions per pre filter to obtain an average and adjust as necessary Wait approximately 20 seconds for the airflow to stabilise and press MUTE again to record the set point The low airflow alarm point is now set and the system calibrated Re Adjust the fan speed back up to the normal operating velocity as required Section 5 Servicing An annual service is recommended t...

Страница 9: ...t i s h D e s i g n Manufacture Monmouth Scientific Limited UK Headquarters Units 5 6 Kilnside East Quay Bridgwater Somerset TA6 4DB 44 0 1278 458090 www monmouthscientific co uk info monmouthscientific co uk ...

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