Oldham olct ir Technical Manual Download Page 9 | Manualshive

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REP NBR DESIGNATION

REF OFSA

1

1

WEATHER PROTECTION

6313862

2

1

O-RING DIA. DIAM=65x3

6136242

3

1

LOCKING NUT M5

6903376

4

1

TERMINAL COVER

6123723

6

2

Ex TERMINAL

6152989

7

1

O-RING DIA DIAM=69x2

6135036

8

1

LED PCB

6451495

OPTION

5

1

CABLE GLAND, M20, ARMOURED CABLE OR
CABLE GLAND, M20, NON-ARMOURED CABLE

6343489
6343493

OLCT IR
Exploded view

Figure 2

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Summary of Contents for olct ir

Page 1: ...1 The Fixed Gas Detection Experts TECHNICAL MANUAL OLCT IR INFRARED DETECTOR FOR FLAMMABLE GASES OR CO2 Part Number NPOIRGB Revision G 0...

Page 2: ...ritten consent of Oldham S A S All of the information that is provided in this document is accurate to the best of our knowledge As a result of continuous research and development the specifications o...

Page 3: ...IF THOSE PRODUCTS WERE NOT SPECIFIED AND SELECTED BY OLDHAM FOR SUCH USE O W N E R S H I P C L A U S E S The images blueprints specifications and information contained in this document belong to OLDHA...

Page 4: ...f natural resources the OLCT IR must be disposed of separately from electronic equipment and cannot be disposed of with normal household waste The user therefore has an obligation to separate the OLCT...

Page 5: ...IR CH4 AND HC 9 3 INSTALLATION 12 4 START UP 12 5 MAINTENANCE 14 5 1 CORRECTIVE MAINTENANCE 14 5 2 PERIODIC MAINTENANCE 14 6 LIST OF ACCESSORIES 18 7 SPECIAL INSTRUCTIONS FOR USE IN ATEX EXPLOSIVE AT...

Page 6: ...2 User Manuel...

Page 7: ......

Page 8: ...r Manual OLCT IR Avec coiffe anti projection OLCT IR with weather protection Ground screw See Special instructions for use in ATEX explosive atmospheres Cable gland M20x1 5 optional Fastening lug Figu...

Page 9: ...DIAM 65x3 6136242 3 1 LOCKING NUT M5 6903376 4 1 TERMINAL COVER 6123723 6 2 Ex TERMINAL 6152989 7 1 O RING DIA DIAM 69x2 6135036 8 1 LED PCB 6451495 OPTION 5 1 CABLE GLAND M20 ARMOURED CABLE OR CABLE...

Page 10: ...n Iout Output signal in mA terminal 1 of OLDHAM central units 0V Power supply 0 V terminal 2 of OLDHAM central units 24VDC Power supply terminal 3 of OLDHAM central units Ser service do not use LED Ma...

Page 11: ...M25 OLCT IR with by pass adaptor calibration cup GAS INLET AND OUTLET BY PASS ADAPTOR Ground screw Fastening lug Cable gland M20 Figure 4...

Page 12: ...4 User Manual Bracket P N 6322420 Ceiling mount for OLCT IR Figure 5...

Page 13: ......

Page 14: ...following European EN and international IEC standards EN 60079 0 2012 IEC 60079 0 ed 6 2011 EN 60079 1 2007 IEC 60079 1 ed 6 2007 EN 60079 7 2007 IEC 60079 7 ed 4 2006 EN 60079 11 2012 IEC 60079 11 e...

Page 15: ...ol for those who consider this value as the lower explosive limit for methane Vol detection of methane from 0 to 100 vol HC Version Optimized for the detection of saturated hydrocarbons propane butane...

Page 16: ...ce 300 Ohm Cable entry M20 x1 5 cable gland in option See special instructions for use in ATEX explosive atmospheres Cable diameter Armoured cable Outer diameter 8 5 to 16 mm Inner diameter 6 to 12mm...

Page 17: ...4 and less sensitive to hydrocarbons than the OLCT IR HC With regards to the OLCT IR CH4 a signal of 20mA corresponds to 100 LEL CH4 or 20 LEL C3H8 factor 5 With regards to the OLCT IR HC a signal of...

Page 18: ...20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 100 0 Conc LEL M thane CH4 Propane C3H8 Butane C4H10 Hexane C6H14 Nonane C9H20 Cy clohexane C6H10 M thanol CH3OH Ethanol C2H6O LEL C3H8 OLCT IR HC calibrated to...

Page 19: ...2 Technical specifications 11...

Page 20: ...ee Fig 5 Electrical installation Ensure that the installation complies with currently enforced standards EN IEC 60079 14 EN IEC 60079 17 standards zone classification and all other enforced editions o...

Page 21: ...4 Start up 13...

Page 22: ...s with a soft lint free cloth and isopropanol alcohol if necessary clean the optional bug guard and the protective cover let dry place the weather protection back and make sure the arrow looks upward...

Page 23: ...magnetic wand and follow the indications given by the red LED Rep 8 Fig 2 according to the instructions on the next page adjust the zero in a gas free environment if clean air is not available inject...

Page 24: ...o stabilise 90 s Validation of sensitivity I out measurement current 4 to 20 mA LED Off Fast sweep of the magnet I out 2 mA LED Slow flash Exit from procedure without action Slow sweep of the magnet I...

Page 25: ...he red LED Fig 3 Fast movement 1second Slow movement 1second and until you exit the procedure exit red LED off I out signal output current LED red off or blinking Note the interval between each action...

Page 26: ...6313863 Bump test cup 6313829 Service magnet 6155651 Sunshield can also be used to prevent snow from clogging the openings 6313858 Ceiling mount bolts not included 6322420 Weather protection protectiv...

Page 27: ...7 Special instructions for use in ATEX explosive atmospheres 19...

Page 28: ...otherwise connected to measurement systems with 4 20 mA inputs conforming to section 1 5 of Annex II of ATEX Directive 94 9 CE and compatible with their characteristics see transfer curve Electromagne...

Page 29: ...eaks at 500 mA 7 2 Functional Safety The detector OLCTIR CH4 and HC versions has been certified by INERIS as SIL 2 capable according to EN 50402 Certificate INERIS 03ATEX0141X 02 This standard applies...

Page 30: ...II 2GD Ex d e ia IIC T4 Gb Ex ia tb IIIC T135 C Db IP66 Tamb 50 C to 65 C U max 30 V P max 5 8 W M20 x 1 5 IECEx INE 07 0005X INERIS 03ATEX0141X Serial Number Year of Manufacture AVERTISSEMENT Ne pas...

Page 31: ...8 Marking 23...

Page 32: ...24 User Manual 9 Manufacturer s Declaration of Conformity...

Page 33: ...9 Declaration of conformity 25...

Page 34: ...26 User Manual...

Page 35: ...27...

Page 36: ...s Cedex FRANCE T l 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Website http www oldhamgas com AMERICAS Tel 1 713 559 9280 Fax 1 281 292 2860 americas oldhamgas com ASIA PACIFIC Tel 86 21 3127 6373 Fax 8...

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