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MODEL 4501-XX

2-Wire Series

TOXIC GAS SENSOR MODULE

APPLICABILITY & EFFECTIVITY

Effective for all Model 4501-XX Modules manufactured after September 1, 2006.

4501-04 FM Pending

4501-05 FM Approved

4501-06 FM Pending

Instruction Manual Part Number T13022

Rev. A

Summary of Contents for 4501 Series

Page 1: ...TOXIC GAS SENSOR MODULE APPLICABILITY EFFECTIVITY Effective for all Model 4501 XX Modules manufactured after September 1 2006 4501 04 FM Pending 4501 05 FM Approved 4501 06 FM Pending Instruction Manu...

Page 2: ...5 Sensor Module Hydrogen Sulfide Calibration Equipment Model 1250 01 Gas Sensor Calibration Kit Type A Model 1260 05 Hydrogen Sulfide in N2 25 ppm Gas Cylinder Model 1260 45 Hydrogen Sulfide in N2 10...

Page 3: ...5 3 5 START UP OPERATION 5 3 6 ZERO STABILIZATION 5 4 INSTALLATION 6 4 1 SENSOR MODULE LOCATIONS 6 4 2 WIRING 6 4 3 ENCLOSURE INSTALLATION 6 4 4 TRANSMITTER AND SENSOR INSTALLATION 7 5 OPERATION 8 5 1...

Page 4: ...MODULE DOES NOT DISPLAY THE CORRECT PPM GAS 17 7 4 7 If the module does not display the correct PPM 17 7 4 8 If the display shows NO SENSOR Sensor Failing 17 7 4 9 If the display shows C calibration m...

Page 5: ...ns can be implemented without special fixtures Where applicable these options are factory configured prior to shipment Mounting configuration can be selected by the installer or field technician and a...

Page 6: ...3 SENSOR ASSEMBLY The sensor assembly includes a stainless steel explosion proof housing containing the gas sensor and a wiring harness for connection to the transmitter The sensor assembly threads in...

Page 7: ...Model 4501 XX Toxic Gas Sensor Module Figure 1 1 Model 4501 05 Hydrogen Sulfide Gas Sensor Module Dimensions Figure 1 2 Model 4501 05 Hydrogen Sulfide Gas Sensor Module Orientation Options Page 3...

Page 8: ...nse of the sensor will be reduced Protect the sensor from contamination by careful placement or by use of rain shields and dust shields Sensor modules must not be painted Paint may contain compounds w...

Page 9: ...ry 3 4 TRANSMITTER INSTALLATION To install the transmitter printed circuit assembly into the housing carefully turn the faceplate so that the printing is in the correct horizontal position for the mou...

Page 10: ...r module may have little impact on effectiveness but major effect on accessibility Modules should be placed in areas accessible for calibration The cover should face out from the wall for easy access...

Page 11: ...se of the enclosure Install the earth ground under the green ground screw 4 4 TRANSMITTER AND SENSOR INSTALLATION When all pre wiring is complete 1 Install sensor assembly in the open hub on the modul...

Page 12: ...sor module Range adjustments see section 5 4 4mA and 20mA calibration adjustments see section 5 4 Span adjustment see section 6 3 1 5 2 DATA ENTRY KEYPAD The module menu system is operated by means of...

Page 13: ...Model and Version Mode H2S CALIB Mode Function Calibration example 4501 05 Table 6 1 Down H2S DIAG Mode Function Diagnostics example 4501 05 Table 5 4 Down H2S MAINT Mode Function Maintenance example...

Page 14: ...XmA ERROR The expected range of the 4mA and 20mA is limited to factory defined values If the actual signal is outside of this predefined range an error is displayed indicating a hardware or installati...

Page 15: ...nu Down DIAG Ref Enter D Ref XXXXmV Voltage reading of the output of the reference Down DIAG 4 20 mA Enter D 4 20 mA Normal Enter 4 20 mA output sub menu Sub Routine A Mode DIAG 4 20mA Enter D Ver VX...

Page 16: ...message will appear on the screen Select E to accept this message Whenever a message appears on the screen select E to accept the message No other action can be taken with messages Except for the Fac...

Page 17: ...fide gas For compliance with Factory Mutual FM Approvals the Sierra Monitor Model 1250 01 1260 05 and 1260 45 are the FM Approved calibration gas delivery devices Use the Model 5358 01 Calibration Ada...

Page 18: ...C PPM Banner Apply xx PPM gas E when stable Should be stable after 3 minutes of gas exposure Enter H2S REMOVE GAS Operation Remove gas from sensor If calibration failed then Sub Routine C Enter H2S CA...

Page 19: ...components below the sub assembly level ENCLOSURE REPLACEMENT The enclosure should be replaced if the cover threads or conduit threads have been damaged or if the enclosure has been damaged sufficien...

Page 20: ...the sensor a Confirm that system power has been removed b Remove the gas sensor module enclosure cover c Unscrew the two thumb screws in the top of the faceplate lift the transmitter assembly and rot...

Page 21: ...mer to completely count down 3 Apply Span Gas and verify that the sensor sees the correct value of the span gas after calibration 4 If the sensor still does not respond to gas power cycle the unit and...

Page 22: ...24 VDC nominal 14 30VDC 2 wire loop powered RFI EMI Protection EN50081 2 EN50082 2 Operating Range 4501 04 CO 4501 05 H2S 4501 06 Cl2 Ambient Temp o F 4 to 122 o F 40 to 122 o F 4 to 122 o F Ambient T...

Page 23: ...y Limited warranty 2 year specifications subject to change without notice Model Number Gas Type CO H2S CI2 H2 SO2 NO2 NO HCI HCN C2H4 4501 04 IT CO 100 5 0 20 0 0 6 0 0 50 4501 05 IT H2S 2 100 20 0 1...

Page 24: ...Gas Cylinder Cl2 5 PPM Type C 104 litres 1260 13 Gas Cylinder CO 1000 PPM Type A 105 liters 5360 00 Calibrator Head Standard 1256 01 Regulator Type A Calibrator 1265 03 Regulator Type C Calibrator 535...

Page 25: ...iginal identification marks have been removed or altered This Limited Warranty also will not apply to interconnecting cables or wires consumables i e calibration gases batteries sensors nor to any dam...