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12-17 Combustible Gas Transmitter

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

Содержание C12-17

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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