Monmouth Scientific Circulaire HLFT1000 Operating & Maintenance Manual Download Page 4

Page: 4 / 17

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 on:
+44 (0) 1278 458090

Section 1

Description of the cabinet

The Circulaire range of Laminar Flow cabinets provide ISO class 4 (Class 10) clean

air at a velocity >0.35m/sec. over the entire working area. The cabinets are supplied

in sizes to suit most applications. All cabinets are fitted with an airflow monitor which

provides visual and audible warning should the airflow drop below the minimum level.

MODEL

Circulaire

VLFT1000

Circulaire

VLFT1200

Circulaire

VLFT1500

Circulaire

VLFT1800

External
Dimensions

1000mmWide
665mmDeep
1250mm High

1200mmWide
665mmDeep
1250mm High

1500mmWide
665mmDeep
1250mm High

1800mmWide
665mmDeep
1250mm High

Internal
Dimensions

985mmWide
645mmDeep
700mm High

1185mmWide
645mmDeep
700mm High

1485mmWide
645mmDeep
700mm High

1785mmWide
645mmDeep
700mm High

MODEL

Circulaire
HLFT900

Circulaire
HLFT1000

Circulaire
HLFT1200

Circulaire
HLFT1500

Circulaire
HLFT1800

External
Dimensions

900mmWide
700mmDeep
1165mm High

1000mmWide
700mmDeep
1165mm High

1200mmWide
700mmDeep
1165mm High

1500mmWide
700mmDeep
1165mm High

1800mmWide
700mmDeep
1165mm High

Internal
Dimensions

885mmWide
490mmDeep
715mm High

985mmWide
490mmDeep
715mm High

1185mmWide
490mmDeep
715mm High

1485mmWide
490mmDeep
715mm High

1785mmWide
490mmDeep
715mm High

Summary of Contents for Circulaire HLFT1000

Page 1: ...Operating Maintenance Manual www monmouthscientific co uk Circulaire Horizontal Vertical Laminar Flow Cabinets HLFT1000 HLFT1200 HLFT1500 HLFT1800 VLFT1000 VLFT1200 VLFT1500 VLFT1800 ...

Page 2: ...2 ...

Page 3: ...rmation about the product Monmouth Scientific Limited assumes no liability whatsoever for the accuracy of any information contained herein as products can be subject to improvement changes at any time The contents may not be distributed shared or commercially exploited in any form or by any means redistributed or reproduced in entirety or in part in any form for individual or third party use photo...

Page 4: ...0 Circulaire VLFT1200 Circulaire VLFT1500 Circulaire VLFT1800 External Dimensions 1000mmWide 665mmDeep 1250mm High 1200mmWide 665mmDeep 1250mm High 1500mmWide 665mmDeep 1250mm High 1800mmWide 665mmDeep 1250mm High Internal Dimensions 985mmWide 645mmDeep 700mm High 1185mmWide 645mmDeep 700mm High 1485mmWide 645mmDeep 700mm High 1785mmWide 645mmDeep 700mm High MODEL Circulaire HLFT900 Circulaire HLF...

Page 5: ...maximise and prolong filter life Connect the cabinet to a 13A electrical socket Optional VFC relay A Volt free contact is available as a factory fit option If fitted it is located to the rear of the cabinet next to the power inlet This allows for connection to external monitoring systems BMS etc When the cabinet is powered on after approx 30 secs the relay will be energized when the cabinet airflo...

Page 6: ...et to maintain the following parameters Normal airflow velocity 0 40m sec Low airflow alarm 0 30m sec These settings can be changed by Monmouth service personnel Please contact Monmouth Scientific for further advice Laminar Airflow The microprocessor controls the fan speed to compensate for filter blockage The airflow velocity is continuously monitored and displayed The value will fluctuate slight...

Page 7: ...duce Brightness Increase Brightness Normal Fan Speed Fan Off Settings access to settings menu Information Cabinet and filter information Standby Puts cabinet into standby UV Disinfection settings where fitted Home Return Back Fan Speed 2 ...

Page 8: ...e user with options to select NORMAL SPEED 2 or OFF SPEED 2 is a preset that can be set higher or lower then NORMAL An example of it s use could be to set higher to rapidly purge the cabinet or lower to conserve energy when a non critical task takes place within the cabinet Settings to allow the user to preset the fan speeds are accessed in the Supervisor or Service menu Selecting OFF will turn th...

Page 9: ...If enabled in the supervisor settings Eco is effectively an automatic Standby mode that turns off the lights if no activity is detected within the cabinet for a pre selected time The fan speed is unaffected and will continue to run at the currently selected setting Normal operation is resumed by touching anywhere on the darkened screen Lighting Lighting can be adjusted or turned off by pressing th...

Page 10: ...enters the Set Up menu access screen The Supervisor access code is supplied with the cabinet and allows access to change operating preferences The key returns to the normal display screen When the correct Supervisor code is entered the screen below is displayed ...

Page 11: ...Audible Alarm Turns off the audible low airflow alarm Keypad Sounds Turns off the audible key beeps Pressing the key returns to the previous screen Reset UV Displays a UV reset screen to reset the date hours run when a new UV tube is fitted This key page will only be displayed on models fitted with a UV disinfection option Change access code This allows the supervisor to set their own access pin c...

Page 12: ...w alarm If you need to run the cabinet in this state then please recalibrate the alarm to trigger at a point below your lowest setting Information Pressing the key on the main screen will display the information screen below featuring key information about the unit Service information is reset by Monmouth personnel during a service visit When a service becomes due a warning screen will be displaye...

Page 13: ...me screen will display the screen below The safety screen is interlocked with the UV disinfection cycle and the cycle will not run if it is not fitted Use the arrow keys to set the disinfection time and cycle start delay if required Press Start Cycle to commence The screen below is displayed showing progress time remaining until the end of the cycle If the safety screen is removed or the cancel bu...

Page 14: ...itted to the inside of the enclosure They should provide many years of service without requiring replacement Spare tubes are available from Monmouth Scientific and have the following part numbers HLF VLF Part HLFT 900 n a GS 01514 HLFT 1000 VLFT1000 GS 01539 HLFT 1200 VLFT 1200 HLFT 1500 VLFT 1500 GS 01540 HLFT 1800 VLFT 1800 Care should be taken to ensure the tubes are fitted in the correct orien...

Page 15: ...irflow and alarm re calibrated if necessary Main ULPA Filter HLFT units Remove the screws securing the back panel and lift it clear Remove the screws securing the filter clamp frame The HEPA filter may now be withdrawn from the rear of the cabinet and a replacement fitted The replacement filter should be DOP tested prior to use and the airflow and alarm re calibrated if necessary Model Part HLFT 9...

Page 16: ... DOP test the main ULPA filter Check airflow monitor and re calibrate if necessary Check and record downflow velocity readings Check general condition of cabinet glazing hinges etc Inspect electrical components lighting cables etc Issue test report and airflow certificate For parts or service information Please contact Monmouth Scientific on 44 0 1278 458090 ...

Page 17: ...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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