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Delta Controls HIR, Installation, Operation And Maintenance Manual

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Delta Controls HIR Installation, Operation And Maintenance Manual Download Page 7

 

 

7 of 15 

 

2.3.2 Flameproof Installation

 

 
When type ‘d’ flameproof protection is employed, wire the HIR as shown in Figure 7 or Figure 8. Use certified 
cable glands and conduit seals for all flameproof installations.  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Figure 7

 

Typical Wiring 

Note: F-range shown; other ranges use a two-wire fiber optic adapter 

Figure 8 Typical Wiring - Option RS (Remote Sensor) 

Note: F-range shown; other ranges use a two-wire fiber optic adapter 

 

Summary of Contents for HIR

Page 1: ...HIR Model Installation Operation and Maintenance Manual Doc No 00 HIR0 Revision N6 Date 16 October 2019 Approved LTK Firmware Rev 3 0N Doc 00 HIR03 rev N8 Firmware 3 0N8 7 Jan 2022 LTK ...

Page 2: ...Lens Assembly 4 2 1 1 Steam Supply 4 2 1 2 Lens Purge 5 2 2 Thermal Insulation 5 2 3 Installing the Electronics Housing 5 2 3 1 Remote Sensor Mounting Option RS 6 2 3 2 Flameproof Installation 7 2 4 Connecting the Fiber Optic Cable 8 2 5 Optical Alignment 9 3 OPERATION 10 3 1 Setup Parameters 10 3 2 Initial Startup 11 3 3 Two Color Sensing 12 3 4 Preventive Maintenance 12 3 5 Calibration 13 4 SPEC...

Page 3: ...ations when using Infrared Pyrometry in Claus Thermal Reactors To effectively measure temperature the instrument needs a clear unobstructed view into the vessel The infrared energy must pass through the reacting gases without being absorbed by them The instrument must look through those same gases without seeing them or sensing their high temperatures This is accomplished by using optical bandpass...

Page 4: ...ened after the reactor reaches operating temperature of over 572 F 300 C Bolt the flange of the Steam Jacketed Lens Assembly to the valve flange with the 1 8 NPT purge port at the top 2 1 1 Steam Supply Long term reliability of this instrument requires the use of steam to maintain the temperature of the window and nozzle above the melting point of sulfur Failure to maintain a high enough temperatu...

Page 5: ... valve and Steam Jacketed Lens Assembly In most cases the heat from the reactor and steam body are not sufficient to keep the temperature of the valve and lens assembly above this temperature unless they are insulated It is important therefore that insulation be installed around the nozzle valve and lens assembly as shown in Figure 1 in accordance with the best practices of your plant Adequacy of ...

Page 6: ...nstall other wires in the same conduit with the sensor wires Conduit should be appropriate for the area classification Seals should be installed near the electronics housing in accordance with governing code The loop wiring conduit connection on Model HIR is NPT Unless the RS remote sensor option is specified the fiber optic adapter is normally factory installed in the NPT opening in the housing W...

Page 7: ...in Figure 7 or Figure 8 Use certified cable glands and conduit seals for all flameproof installations Figure 7 Typical Wiring Note F range shown other ranges use a two wire fiber optic adapter Figure 8 Typical Wiring Option RS Remote Sensor Note F range shown other ranges use a two wire fiber optic adapter ...

Page 8: ...lt in low temperature readings due to excessive infrared energy losses in the cable The fiber optic cable is connected to a sensor in the fiber optic adapter as shown in Figure 9 1 Insert the cable into the fiber optic adapter The cable must be inserted all the way to the bottom of the adapter hole for the cable grip to seat and to avoid calibration errors 2 Tighten the cable grip to seal the cabl...

Page 9: ... isolation valve 3 Sight down the Alignment Tube through the process window and into the reaction chamber The light from the reaction vessel should appear centered in the Alignment Tube If it is not the Alignment Tube should be aligned as follows 4 Loosen the three alignment clamp screws using a 9 64 hex wrench Figure 11 5 Manually adjust alignment tube until light is centered 6 Tighten the three ...

Page 10: ...sensor When displaying this parameter the signal strength is also displayed Refer to section 3 4 Preventative Maintenance Signal Strength LOOP mA Loop current transmitted in milliamperes LOOP Loop current as a percentage where 0 4 mA and 100 20 mA Units This parameter sets the units of measure for temperatures Use the up or down arrows to toggle between degrees Fahrenheit and Celsius 4mA Zero scal...

Page 11: ...ing the output current indicates exactly 20 00 mA CAUTION Accessing this parameter will cause the transmitter to transmit Full Scale Temperature Be sure that any equipment connected to this transmitter is prepared for the disruption in the temperature signal level before accessing this parameter ALRM ACTN Alarm Action This controls how current loop responds to a detected diagnostic alarm 0 drive h...

Page 12: ... below the Signal Alarm setpoint then LOW appears next to the displayed signal level and HART Additional Device Status Byte 1 bit 2 is set Note that below 1472 F 800 C there is not enough infrared light at both wavelengths to make a two wavelength measurement Therefore temperatures between 662 F and 1472 F 350 C and 800 C are only measured with a single wavelength In that case the amount of blocka...

Page 13: ...LAUSTEMP model HIP handheld pyrometer or other means 2 Ensure Model HIR has a clear sight path into the reactor 3 Press and hold the NEXT button while simultaneously pressing the UP arrow button Then release both buttons 4 Press the NEXT button to display the CAL TEMP parameter 5 Unlock the calibration feature by pressing and holding the NEXT button while simultaneously pressing the DOWN arrow but...

Page 14: ...14 of 15 Figure 13 Dimensions Electronics Housing ...

Page 15: ...Flexible PTFE over SS armor 10 feet 3 meters standard length Minimum Bend Radius 3 inches 7 6 cm Hot Lens Mounting 3 ANSI is standard on a flanged nozzle steam jacketed Other types and sizes available Ports Steam Jacket in and out 50 psi to 100 psi 344 kPa to 689 kPa for steam to heat the lens assembly Nitrogen Purge 60 SCFH 28 L min typical Housing Mounting Vertical surface or 2 20 pipe stand wit...

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