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IRIS S55XX SERIES VIEWING HEADS APPLICATION MANUAL

PAGE 20

SPECIFICATIONS

ELECTRICAL

 

 

Input Power:   

 

24VDC +10%, 100mA ( powered from Signal Processor)

ENVIRONMENTAL

 

 

Sealing: 

 

 

Viewing Head Housing NEMA TYPE 4

 

 

Ambient Temperature: 

-40° F to 122° F (-40° C to 50° C)

 

 

Case Temperature:   

-40° F to 140° F (-40° C to 60° C)

 

 

With S580 Fiber Optics 

-65° F to 572° F (-54° C to 300° C)

OPTICAL

 

 

Angle of View  

IR 1.0°

 

 

 

 

 

 

UV 3.0°

CABLE

 

 

Signal Processor to    

4 conductor, #16AWG or #18AWG.

 

 

   Viewing Head 

 

   One wire shielded with braided shield for flame signal    

 

 

 

 

 

   such as IRIS Part Number C328 

Содержание S550B

Страница 1: ...FLAME MONITORING SYSTEM MODELS S550B S552B and S556B VIEWING HEADS OPERATION AND APPLICATION MANUAL WORLD LEADER IN FLAME MONITORING ...

Страница 2: ...NGS 10 ASSIGNING SETTINGS TO CHANNELS AAND B 10 USING TWO VIEWING HEADS ON THE P520 P522 10 BEFORE MAKING ADJUSTMENTS 10 CALIBRATING THE S550B 10 EXAMINING THE RESULTS OF GAIN SETTINGS FROM CALIBRATION 11 CHECKING OR CHANGING UV GAIN 11 CHECKING OR CHANGING THE IR FILTER 12 CHECKING OR CHANGING IR GAIN 12 MANUAL SETUP OF THE S550B 12 RETURN TO DEFAULT SETTINGS 13 CONTACT INFORMATION 13 FIGURE 3 VI...

Страница 3: ...rt from zero causing the flame relay to de energize In some applications an orifice disk may be required to discriminate between background radiation and main flame See ORIFICING on page 9 SIGNAL PROCESSOR COMPATIBILITY Viewing heads described in this manual are compat ible with currently manufactured P520 P522 DC and P522 AC signal processors Some earlier manufac tured P522 units may require an upgr...

Страница 4: ...ted to the features of the attached viewing head in this case the S552B These features are further illustrated in FIGURE 9 S552B PROGRAMMING FLOW CHART MODEL S556B GENERAL DESCRIPTION The S556B viewing head is designed for UV sensing only It is basically an S550B without the IR capabil ity The Signal Processor detects and identifies the viewing head model to which it is connected in this case the m...

Страница 5: ...ver the shield with heat shrink tubing to insulate it 5 Slide the nut with threads toward the cable end the washer and the grommet approximately six inches onto the cable 6 Slip the cable through the bottom opening of the connector making sure that the cable outer jacket is secure under the cable clamp and tighten the two screws on the cable clamp 7 Reassemble the grommet flat washer and cable entr...

Страница 6: ... COLOR WHITE 36 AWG BRAIDED SHIELD 90 COVERAGE WITH 012 THK JACKET COLOR BLACK CABLED POLYPROPYLENE FILLERS FOR ROUNDNESS JACKET CROSSED LINKED POLYETHYLENE STRIP 3 8 TYPICAL GROMMET FLAT WASHER CABLE ENTRY NUT SHIELD CABLE PREPARATION 1 3 4 TYP CABLE CABLE CLAMP CONNECTOR WITH REAR COVER REMOVED INSULATE SHIELD WITH SHRINK TUBING LEAVING 3 8 STICKING OUT CONNECTOR JACKSCREW FINAL ASSEMBLY CABLE I...

Страница 7: ...ded A continuous flow of air must be maintained in order to keep the viewing cool and the sight pipe clean At least three CFM at approximately eight inches of water column above windbox pressure is recommended for each viewing head The air supply must be clean free of oils and water and preferably cool VIEWING HEAD SIGHTING The sighting of the viewing head should be parallel to the center line of t...

Страница 8: ...ope begins and where the turbulent air enters this flame This spot can be chosen by examining the drawings of the burner but it is better to do this empirically by using a swivel mount on the viewing head UV DETECTOR The UV Photo Detector in the S550B and S556B view ing heads have a spectral response of 190 215nm The output of the detector is a pulse stream of randomly spaced pulses whose average r...

Страница 9: ... gas flames Orificing may help improve the discrimination char acteristics for the UV detector as well as the IR The UV detector is not likely to saturate however orific ing will usually improve the discrimination ratio for large size burners An orifice disc is simply a metal disc with a circular hole in the center which is placed directly in front of the lens Four orifice discs are available with cent...

Страница 10: ...the P520 and P522 The same proce dure applies to manually changing viewing head settings when the desired channel is not selected press the push button for the desired channel and then proceed During the process of examining or changing the S550B settings with the Channel A and B NO and YES push buttons the red LED for the channel which the changes apply to will be blinking A visual check should b...

Страница 11: ...gain for the selected sensor this takes a few seconds If this adjustment is successful the display will show and the P520 P522 will return to normal operation displaying a reading of 1100 to 1300 However if the signal input is too low the P520 P522 will display 2 Lo Press the RESET but ton to return to the previous settings If the signal level is too high the display will show OriF See the section...

Страница 12: ...9 is a 99 50 increase in gain But the most significant digit is nonlinear with each step change in the most significant digit the gain doubles For example a setting of 250 has twice the gain as a setting of 150 Now it is possible to see why as the gain is increased from 150 to 199 the next step is to 250 an increase from 150 to 199 is an increase of 99 50 which is a gain increase of almost 2 but the...

Страница 13: ...V sensor is not likely to saturate but if the flame signal readings are very high on low gain settings then an orifice should be used See the section ORIFICING on page 9 7 Set or at least check the Flame ON and Flame OFF set points If they are still at the factory de fault values Flame ON at 800 and Flame OFF at 600 they may be satisfactory as they are If the Flame ON reading is less than 1200 the F...

Страница 14: ...JB Systems Delta BC Canada o o 800 667 IRIS Clearwater FL 727 545 3900 DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE NON HAZARDOUS WARNING EXPLOSION HAZARD SN 0B10001 Ja 09 10 11 Fe Mr Ap My Je Jy Au Se Oc No De 06 07 08 8 61 3 51 4 50 1 98 1 2 NPT FEMALE PIPE THREAD PURGE AIR 1 NPT FEMALE PIPE THREAD 208 7mm 114 3mm 89 2mm 2 03 51 45mm 2 03 51 45mm 4 05 102 9mm 1 NPT F PIPE T...

Страница 15: ...POSITION PARALLEL SIGHTING BURNER NOZZLE CENTERLINE DETECTOR IN POOR SIGHTING POSITION LOW FREQUENCY FLICKER ZONE HIGH FREQUENCY FLICKER ZONE UV VIEWING HEAD SIGHTED ON UV ZONE BURNER NOZZLE CENTERLINE UV RADIATION ZONE FIGURE 4 IR VIEWING HEAD LOCATION FIGURE 5 UV VIEWING HEAD LOCATION ...

Страница 16: ...ZLE NO 2 HIGH FREQUENCY IR ZONE LOW FREQUENCY ZONE LESS THAN 36Hz HIGH FREQUENCY IR ZONE 2 NPT NIPPLE TOE IRIS M 701 2 SWIVEL MOUNT IRIS R 518 12 1 NIPPLE IRIS VIEWING HEAD 1 2 NPT PURGE CONNECTION BURNER FRONT PLATE BURNER NOZZLE CENTERLINE QUICK DISCONNECT CABLE CONNECTION SUPPLIED FIGURE 6 SIGHTING OPPOSED FIRED BURNERS FIGURE 7 VIEWING HEAD MOUNTING ...

Страница 17: ... OPERATION N FLOWCHART FOR S550 S550B PROGRAMMING Y N DISCARD CHANGES NORMAL OPERATION Y Keep new filter selection ArFN Adjust IR filter 1 8 Y Keep new UV Gain ANNN Adjust IR gain 0 699 N DISCARD CHANGES Y Y N DISCARD CHANGES Y Keep new IR Gain N Y Set Default Values AdJ Adjust Viewing Head Settings dEF Reset to Factory Default CALr Auto adjust IR gain FIGURE 8 S550B PROGRAMMING FLOWCHART FLOWCHAR...

Страница 18: ...N FLOWCHART FOR S552B PROGRAMMING NORMAL OPERATION Y Keep new filter selection ArFN Adjust IR filter 1 8 ANNN Adjust IR gain 0 699 N DISCARD CHANGES Y Y N DISCARD CHANGES Y Keep new IR Gain N Y Set Default Values AdJ Adjust Viewing Head Settings dEF Reset to Factory Default CALr Auto adjust IR gain FIGURE 9 S552B PROGRAMMING FLOWCHART FLOWCHART FOR S552B PROGRAMMING ...

Страница 19: ... UV gain NORMAL OPERATION Calibrate UV Y Y AuNN Adjust UV gain 0 99 Y NORMAL OPERATION FLOWCHART FOR S556B PROGRAMMING Y N DISCARD CHANGES NORMAL OPERATION Y Keep new UV Gain N Y Set Default Values AdJ Adjust Viewing Head Settings dEF Reset to Factory Default N FIGURE 10 S556B PROGRAMMING FLOWCHART FLOWCHART FOR S556B PROGRAMMING ...

Страница 20: ...ng Viewing Head Housing NEMA TYPE 4 Ambient Temperature 40 F to 122 F 40 C to 50 C Case Temperature 40 F to 140 F 40 C to 60 C With S580 Fiber Optics 65 F to 572 F 54 C to 300 C OPTICAL Angle of View IR 1 0 UV 3 0 CABLE Signal Processor to 4 conductor 16AWG or 18AWG Viewing Head One wire shielded with braided shield for flame signal such as IRIS Part Number C328 ...

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