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ATI Technologies C12-17, Operation And Maintenance Manual

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ATI Technologies C12-17 Operation And Maintenance Manual Download Page 19

  

  

 

C

12-17 Combustible Gas Transmitter

 

 

20 

O&M Manual 
Rev-D 

 

C12-17 TRANSMITTER WITH DISPLAY 

SPARE PARTS LIST 

 

 

Figure 11 - Standard Combustible Transmitter Exploded View (ATI-0571) 

 

Part Number

 

Description

 

 

 

00-1258 

C12-17 Combustible Transmitter Module with Display 

80-0074 

Explosion-proof Enclosure for Display Module 

00-1198 

D10-17 Combustible Sensor Assembly 

92-0043 

10-32 x 1¼” PHMS, S.S. Phillips 

92-0044 

Fiber Washer 

45-0046 

Splash Guard 

00-0258 

Calibration Adapter 

00-0261 

Remote Calibration Adapter/Rain Shield 

Summary of Contents for C12-17

Page 1: ...nology Inc ATI UK Limited 6 Iron Bridge Drive Unit 1 2 Gatehead Business Park Collegeville PA 19426 Delph New Road Delph Phone 800 959 0299 Saddleworth OL3 5DE 610 917 0991 Phone 44 0 1457 873 318 Fax...

Page 2: ...PARTS LIST 19 C12 17 TRANSMITTER WITH DISPLAY SPARE PARTS LIST 20 TABLE OF FIGURES FIGURE 1 TYPICAL SYSTEM DIAGRAM ATI 0145 4 FIGURE 2 COMBUSTIBLE GAS SENSOR TRANSMITTER DIMENSIONS ATI 046 6 FIGURE 3...

Page 3: ...in two versions one containing an integral display and single alarm relay and a second that is a simple blind transmitter with no display or alarm functions Gas sensors are housed in a corrosion resi...

Page 4: ...VDC Display Optional 2 digit LCD Alarm Single setpoint or Trouble with SPDT 1A 125VAC 1A 30VDC alarm relay Temperature Limits 40 to 70 C Sensor Materials 316 Stainless Steel Enclosure Blind Galvanized...

Page 5: ...ion system is to be activated within a few days of installation the cap should be removed when installation is complete Otherwise leave the cap in place until the system is to be placed in service Be...

Page 6: ...rs contain two heated elements One of these elements is active and will allow combustible gases or vapors to burn on its catalytic surface The other is passive and does not react to gases These two el...

Page 7: ...ngle conductor for the common of both the power supply and the output signal Figure 3 shows typical connections to a power supply and a panel indicator running off the 4 20 mA signal from the C12 17 t...

Page 8: ...losure are factory wired as shown below However sensors can be supplied with up to 25 feet of cable for remote mounting The wiring diagram for the extended cable version is also shown below Extended c...

Page 9: ...calibration adapter can be used with this system to allow gas to be fed from a point near the transmitter as shown in Figure 6 Figure 5 Dual Condulet Connections ATI 0579 EXPLOSION PROOF JUNCTION BOX...

Page 10: ...00 LEL also differs for each gas While methane gas standards can always be used for calibration the value that the transmitter is adjusted to will vary depending on what type of gas the system is mean...

Page 11: ...from the transmitter the absence of an combustible gases or vapors can be verified fairly easily The transmitter can also be set to zero using zero air available in cylinders Zero air cylinders and r...

Page 12: ...gas cylinder is marked with a concentration of 2 5 Methane the calculation would be V 40 mV 160 mV X 2 5 V O 5 V O 120 mV When the span has been set turn off the span gas flow and remove the calibrat...

Page 13: ...the system is meant to detect a gas or vapor other than methane A 1 methane gas standard may still be used for calibration of combustible transmitters when used for other gases However the voltage tha...

Page 14: ...ver If the sensor does not respond it should be replaced SENSOR REPLACEMENT Combustible gas sensors used in the C12 are warranted for 12 months and generally last 5 years or more in the absence of poi...

Page 15: ...r local alarm of a high gas condition without the need for wiring back and forth to a remote alarm module In normal operation this version of the C12 17 will continuously display LEL on the integral l...

Page 16: ...C12 17 Combustible Gas Transmitter 17 O M Manual Rev D Figure 9 Transmitter with Display Customer Connections ATI 0570...

Page 17: ...is done using a magnet through the window of the display A magnetic screwdriver is supplied with the transmitter for this purpose If the relay activates and the gas concentration returns to normal sim...

Page 18: ...ploded View ATI 0146 Part Number Description 00 1256 C12 17 Combustible Transmitter Module 80 0017 Explosion proof Enclosure 00 1198 D10 17 Combustible Sensor Assembly 92 0043 10 32 x 1 PHMS S S Phill...

Page 19: ...oded View ATI 0571 Part Number Description 00 1258 C12 17 Combustible Transmitter Module with Display 80 0074 Explosion proof Enclosure for Display Module 00 1198 D10 17 Combustible Sensor Assembly 92...

Page 20: ...improper storage or extended exposure to excessive gas concentrations Should inspection indicate that sensors have failed due to any of the above the warranty shall not apply The Manufacturer assumes...

Page 21: ...DUCTS NH3 Ammonia CO Carbon Monoxide H2 Hydrogen NO Nitric Oxide O2 Oxygen CO Cl2 Phosgene Br2 Bromine Cl2 Chlorine ClO2 Chlorine Dioxide F2 Fluorine I2 Iodine HX Acid Gases C2H4O Ethylene Oxide C2H6O...

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