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Technical Manual: EV-UV - 000023  (Changes are subject to DCRN)

Section 6 - MAINTENANCE 

AND CLEANING

Maintenance:

The EV-UV detector is a high quality product engineered for 

reliability.  If proper preventative maintenance is not carried out, 

there is a likelihood of malfunction, including false alarms.

Servicing:

Servicing of the system should be carried out in accordance with 

the requirements of BS 5839 Part 1, Fire Detection and Alarm 

Systems for Buildings: Code of Practice for System Design, 

Installation and Servicing.

The maintenance procedures described below should be conducted 

with the following frequency:

One month after installation:

Routine Inspection and every 3 

months after:

Every 6 months:

Operational Test.

Every 12 months:

Functional Test and Clean.

All above frequencies of maintenance are dependent on 

ambient conditions.

Routine Inspection

i)

Ensure the sensor head is secure and undamaged.

ii)

Ensure the surface of the sensor’s outer cover is clean.  If 

there are deposits due to the presence of oil vapour, dust 

etc, then the sensor should be cleaned in accordance with 

the cleaning instructions detailed later in this manual. It 

may be advisable to ensure that such cleaning is conducted 

regularly in the future.

iii)

Ensure no equipment which may emit ultraviolet light has 

been installed in the vicinity of the detector since the last 

routine inspection.  If such equipment has been installed, 

then you should notify the Fire Safety Officer or other 

competent authority that its presence may cause 

false alarms.

5

• Ref No: NISM/EV-UV/01  • Date: 16.04.09  • Issue: 1

• evolution advanced • EV-UV • analogue addressable ultraviolet flame sensor

instruction manual

Summary of Contents for Evolution EV-UV

Page 1: ...b Site www nittan co uk E mail sales nittan co uk Ref No NISM EV UV 01 Date 16 04 09 Issue 1 evolution EV UV analogue addressable ultraviolet flame sensor instruction manual EV UV analogue addressable...

Page 2: ...are all elegantly designed low profile fire sensors which are aesthetically pleasing thus enabling them to blend unobtrusively into modern working environments The evolution analogue addressable rang...

Page 3: ...unction such as a remote indicator Terminal 3 RIL is limited to 3mA Section 3 BASE MODELS A variety of bases are available for use with the EV UV sensor It is important to use the correct base for eac...

Page 4: ...he EV UV sensor will be installed at ceiling level however it is permissable to mount the sensor at an angle See Section 12 for details Pass the field wiring through the cable hole in the centre and f...

Page 5: ...hs Functional Test and Clean All above frequencies of maintenance are dependent on ambient conditions Routine Inspection i Ensure the sensor head is secure and undamaged ii Ensure the surface of the s...

Page 6: ...mote indicator LED fitted also illuminates iii After the sensor has given the alarm condition reset the sensor from the control panel It may be necessary to allow a short time to elapse before resetti...

Page 7: ...ction 9 EMC Installation The installation shall be in accordance with the regulations either of the approval body for an approved system or otherwise to the national code of practice regulations for t...

Page 8: ...8 CIE Section 11 DIMENSIONS Auxiliary terminal RIL current limited to 2mA 27 mm 43 mm 20 mm 41 mm 4 5 mm 9 mm 2 8 x 6 mm GRUB SCREW 15 mm 104 5 mm Ref No NISM EV UV 01 Date 16 04 09 Issue 1 evolution...

Page 9: ...res on a ceiling The approximate area coverage is 340 square metres Fig 2 shows the area coverage of an EV UV detector when wall mounted at a height of 10 metres on a ceiling The approximate area cove...

Page 10: ...n both examples the shaded area indicates the actual detection area achieved for each positioning of the sensor The examples are based on tests carried out using a fuel fire covering an area of approx...

Page 11: ...r local city office or your household waste disposal service Section 14 ROHS COMPLIANCE STATEMENT RoHS compliant and lead free This product complies with the RoHS Restriction of Hazardous Substances d...

Page 12: ...equires a special bracket and base inside the housing to enable correct mounting of the flame detector this is included in the housing Fig 7 below is a diagram of the housing Flameproof Housing Specif...

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