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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.  

4501-03 FM Pending 

 

4501-04 FM Pending 

 

4501-05 FM Approved 

 

4501-06 FM Pending 

 4501-08 

 

 4501-10 

 

 4501-12 

 

 4501-25 

 

 4501-26 

Instruction Manual Part Number T13022 

Rev. B 

 

Summary of Contents for 2-Wire Series

Page 1: ...CABILITY EFFECTIVITY Effective for all Model 4501 XX Modules manufactured after September 1 2006 4501 03 FM Pending 4501 04 FM Pending 4501 05 FM Approved 4501 06 FM Pending 4501 08 4501 10 4501 12 45...

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: ...ZERO STABILIZATION 5 4 INSTALLATION 6 4 1 SENSOR MODULE LOCATIONS 6 4 2 WIRING 7 4 3 ENCLOSURE INSTALLATION 7 4 4 TRANSMITTER AND SENSOR INSTALLATION 8 5 OPERATION 9 5 1 INTRODUCTION 9 5 2 DATA ENTRY...

Page 4: ...OR MODULE 5 1 2 MODEL 4501 XX HYDROGEN SULFIDE GAS SENSOR MODULE ORIENTATION OPTIONS 5 4 1 TYPICAL MOUNTING OPTIONS 8 4 2 4 20 MA CONNECTION 9 4 3 CONNECTOR LOCATIONS 10 5 1 FACE PLATE WITH OPERATOR K...

Page 5: ...sor Module 4501 08 Chlorine Dioxide Gas Sensor Module 4501 10 Sulfur Dioxide Gas Sensor Module 4501 12 Nitrogen Dioxide Gas Sensor Module 4501 25 Ammonia Gas Sensor Module 4501 26 Hydrogen Fluoride Ga...

Page 6: ...one printed circuit board assembly mounted under a cover plate Wiring connections for power and signal interface are located on the back side of the display 1 4 3 SENSOR ASSEMBLY The sensor assembly...

Page 7: ...Model 4501 XX Toxic Gas Sensor Module Page 3 of 33 Figure 1 2 Model 4501 XX Hydrogen Sulfide Gas Sensor Module Orientation Options Figure 1 1 Model 4501 05 AL or SS Hydrogen Sulfide Gas Sensor Module...

Page 8: ...clogged the response 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 co...

Page 9: ...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 mounting configuration and slide the...

Page 10: ...nsor modules in locations which are accessible for calibration service Slight adjustments to the location of the sensor module may have little impact on effectiveness but major effect on accessibility...

Page 11: ...rved until final installation and wiring termination Prior to installation and wiring 1 Remove the transmitter from the module housing by Unscrew the two captive panel screws on the faceplate Lift the...

Page 12: ...and tightened to maintain explosion proof assembly 2 Connect the sensor assembly cable to transmitter connector J1 Figure 4 3 3 Connect the loop wires Loop and Loop to transmitter connector P1 4 20 mA...

Page 13: ...agnostic procedures The following adjustments can be made to the sensor module Range adjustments see section 5 4 4mA and 20mA calibration adjustments see section 5 4 Span adjustment see section 6 3 5...

Page 14: ...XX CAL 180 First screen at power up Model and days to calibration Mode H2S CALIB Mode Function Calibration example 4501 05 Table 6 1 Down H2S MAINT Mode Function Maintenance example 4501 05 Table 5 5...

Page 15: ...Once the Set up menu is selected press key three times and press E to activate the 4 20mA Set up menu Use the or keys to select Calib menu and press E The Calib section of the menu allows the user to...

Page 16: ...t E to select or or to select another and press E Down H2S 10 PPM Press E if selecting 0 10 PPM range Down H2S USER Press E if selecting User adjustable range Table 5 3 Set Up Configuration Down H2S S...

Page 17: ...ss to other values as needed The maintenance menu operation is described in Table 5 4 Function Display Description Reference M E M E M E M E M E M E H2S VX XX Version number of firmware Enter H2S CCC0...

Page 18: ...ation tube for 4501 25 calibration 6 3 CALIBRATION GAS DELIVERY METHODS Calibration gas can be delivered to the sensors via the Model 5358 01 Calibration Adapter Figure 6 1 used with portable calibrat...

Page 19: ...air to sensor H2S 10PPM SP Banner Select span enter E when done Enter H2S ACK Zero gas setting acknowledged H2S CXXX PPM Banner Apply span gas then enter E to calibrate gas sensor H2S CXXX PPM Operati...

Page 20: ...e are no field serviceable components below the sub assembly level NOTE Area must be determined to be non hazardous before opening enclosure 7 2 ENCLOSURE REPLACEMENT The enclosure should be replaced...

Page 21: ...roneous gas level readings To replace 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...

Page 22: ...pply calibration gas and verify that the sensor sees calibration gas after calibration 4 If the sensor still does not see gas power cycle the unit and repeat calibration 7 6 2 IF THE MODULE DISPLAYS S...

Page 23: ...Max Range 1 Zero Drift Repeatability Linearity Resolution Response Time 2 Sensor Life 3 4501 03 O2 0 25 Vol 0 5 Vol 0 1 0 1 0 2 Vol 10 seconds 20 months 4501 04 CO 0 1200 PPM 1 PPM 1 PPM 1 PPM 0 5 PPM...

Page 24: ...Electrical Approvals Factory Mutual FM Hazardous Locations FM Standards 3600 3615 3810 All Models Class 1 Div I Groups B C D Class II Div I Groups E F G NEMA 4X1 CSA Class I Div I Groups B C D Class I...

Page 25: ...PPM 4501 12 Nitrogen Dioxide Gas Conc Response CO 300 PPM 0 PPM H2S 15 PPM 1 5 to 0 PPM SO2 5 PPM 0 05 to 0 PPM NO 35 PPM 0 PPM Cl2 1 PPM 1 PPM H2 100 PPM 0 PPM HCN 10 PPM 0 PPM HCl 5 PPM 0 PPM C2H4...

Page 26: ...rator Head Standard 1256 01 Regulator Type A Calibrator 1256 02 Regulator Type B Calibrator 1265 03 Regulator Type C Calibrator 5358 01 Calibration Adapter Direct Standard 5358 51 Calibration Configur...

Page 27: ...Model 4501 XX Toxic Gas Sensor Module Page 23 of 33 SPL27077 Module Enclosure SS...

Page 28: ...ch original 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 an...

Page 29: ...resting inside one of the openings in the rack 2 Close the door of the calibrator and turn on the pump switch 3 Set the flow rate for the desired ppm of ammonia The desired flow rate for calibration...

Page 30: ...Avoid contact of the electrolyte with skin eyes and clothing In case of contact wash immediately rubber gloves and safety glasses are recommended c Clean the electrode with the alcohol wipes included...

Page 31: ...e the sensor housing cover k Install the sensor assembly into the enclosure hub and tighten firmly l Reconnect the sensor harness to the transmitter carefully install the transmitter into the housing...

Page 32: ...Model 4501 XX Toxic Gas Sensor Module Page 28 of 33 Figure 8 4 Model 4501 25 SS and Model 4501 26 SS Figure 8 3 Model 4501 25 AL and Model 4501 26 AL...

Page 33: ...Model 4501 XX Toxic Gas Sensor Module Page 29 of 33 8 5 APPENDIX E US FM APPROVAL...

Page 34: ...Model 4501 XX Toxic Gas Sensor Module Page 30 of 33...

Page 35: ...Model 4501 XX Toxic Gas Sensor Module Page 31 of 33 8 6 APPENDIX F CANADIAN FM APPROVAL...

Page 36: ...Model 4501 XX Toxic Gas Sensor Module Page 32 of 33...

Page 37: ...Model 4501 XX Toxic Gas Sensor Module Page 33 of 33...

Page 38: ...11 AMMONIA 24 CALIBRATION 4 14 DATA ENTRY KEYPAD 9 ENCLOSURE 2 7 16 FM 1 28 30 INSTALLATION 5 17 MAINTENANCE 13 MOUNTING 1 POWER 2 RANGE 11 SENSOR 2 4 6 14 16 17 SET UP 11 SPECIFICATIONS 19 THEORY OF...

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