background image

Repairs request slip for measuring apparatus 

ENERGY

entry column 

SV- 
 

 

 

Please  Notice  for  customers  following  contents 
through facsimile or telephone. 

Measuring instrument repair request sheet (product send-back sheet) 

If the contents of the repair request are insufficient when sending your product back to ENERGY for 

repair,  it  takes  a  long  time  to  perform  the  acceptance  inspection,  causing  inconvenience  in  delivery. 

Always carefully check the following items before sending back the product. 

Additionally,  please  write  your  company  name  and  your  local  sales  representative  name  in  columns 

stated on the next page. 

 

Symptom check columns 

Class 

Symptom 

Check 

applicable 

part. 

Class 

Symptom 

Check 

applicable 

part. 

Indication 
and 
display 

Indication does not change 
(always zero). 

 

Alarm 
display 
and 
contact 
output 

Error is displayed. Error number( ) 

(      ) 

Indication does not change (except 
for zero/span point). 

 

Error lamp is lit. 

 

Indication overshoots the scale 
(span side). 

 

Error  contact  output  is  output 
even though the error (display or 
lamp) is not shown. 

 

Indication fluctuates largely. 

 

 

Indication changes suddenly. 

 

Error contact output is not output 
even though an error occurs. 

 

Indication is too high. 

 

Error is not displayed even though 
an error occurs. 

 

Indication is too low. 

 

Error lamp does not light up even 
though an error occurs. 

 

Key 
operation 

Range cannot be changed. 

 

Response 

Too fast. 

 

Key operation cannot be made. 

 

Too fast even with the time 
constant multiplied. 

 

Data cannot be set. 

 

Too slow. 

 

Data is not saved (input) to the 
memory. 

 

Calibration 

Span-point calibration cannot be 
made. 

 

Data cannot be changed. 

 

Indication is unstable during span- 
point calibration. 

 

Please write not applied contents in symptom check columns and investigated contents in the following 

columns. 

 

 

Содержание LP-30H

Страница 1: ...Manual No 3022E R2 INSTRUCTION MANUAL MODEL LP 30H OXYGEN ANALYZER Probe Transmitter Read the operation Manual ENERGY SUPPORT CORPORATION ...

Страница 2: ......

Страница 3: ...P5 4 4 Mounting of Probe Transmitter P7 5 Oxygen analyzer diagram P9 6 Inspection and Maintenance 6 1 Precautions for Inspection and Maintenance P10 6 2 Daily inspection P10 6 3 Calibration of indication about once a month P11 6 4 Treatment at the stop of boiler and furnace P11 6 5 Periodic inspection once a year Or according to circumstances P13 6 6 About heater unit P13 7 Exchange removal of fil...

Страница 4: ...ng plant operation use sufficient care for the following points Wear heart resistant gloves because the installation section and its periphery are very hot Hot sample gas will blow out from a furnace at a positive pressure never reach or approach openings Dust in the sample gas will also blow out wear protective glasses to protect your eyes from dust The gas inside the furnace may blow out from pi...

Страница 5: ... automatically the oxygen partial pressure in combustion exhaust gas This analyzer has no gas sampling part common in old types needs minimal maintenance has quick response and is able to make stable measurement for a long time Therefore we are quite confident that the LP 30H Oxygen analyzer is the most suitable instrument for automatic control of low oxygen combustion aiming at energy conservatio...

Страница 6: ...tant 9 649 104 C mol 1 Po2 A Oxygen partial pressure in the standard gas air concentration 20 6 vol Po2 S Oxygen partial pressure in the sample gas concentration is indicated by vol Substituting the numerical values of constants in the above equation we obtain E S Po2 78 45 log 20 6 10 Anti Po in the sample gas can be obtained through the above equation by substituting the measure electromotive fo...

Страница 7: ...rox 20min Reference air flow rate Approx 2 min Calibration gas flow rate Approx1 3 min Accessories Bolt Nut Washer M16 L70 S38 4 Sets Gasket JIS10K65A T1995 t3 1 Accessories Name Remarks Q ty Bolt Nut W SW M16 L70 S38 4 Non asbestos packing JIS10K65A 1 Name LP 30H Oxygen Analyzer Number KS 1630 Number LSize mm Probe transmitter 500 AKS 1630 1000 1500 Filter Unit KS 185496 C E L L K H E A T E R ...

Страница 8: ... that is the mounting position of the probe transmitter should be made normally to the position where the following conditions are satisfied 1 Where the gas values of the sampled gas are representative values 2 Where there is less change in oxygen concentration 3 Where there is less change in gas pressure and temperature 4 Where the gas temperature is less than 600 5 Where a uniform laminar flow o...

Страница 9: ... the direct rays of the sun and it is well ventilated 8 Where the distance from the transmitter is shorter than 100m A shorter distance is preferable to save the cost of plumbing and wiring work and to reduce the plumbing resistance 9 Where the door of the panel can be opened and still allow enough space for maintenance ...

Страница 10: ...pipe Horizontal mounting on boiler wall etc Note Guide pipe and steel skin of the furnace wall shall be fixed by welding the whole periphery Mounting angle of the guide pipe shall be 5 10 degrees downward to the horizontal axis ...

Страница 11: ... 7 Vertical mounting on ceiling of boiler etc ...

Страница 12: ...ide pipe should be made slowly to avoid shock to the probe transmitter especially to the tip of transmitter 4 When the pressure in the furnace is positive in the case of inserting the probe transmitter care should be paid concerning gas explosion And as gas explosion may occur from the plumbing holes of standard air and calibrating gas blinding cocks should be inserted to the holes of plumbing 5 P...

Страница 13: ... 9 5 Piping and wiring ...

Страница 14: ...f furnace gas from the reference air and calibration gas piping port Attach a closing plug to the piping port and perform removal installation of the probe transmitter 2 When removing the filter unit and sensor unit apply anti seizure material Molycoat 1000 Dow Corning to the hexagonal socket bolt 3 Apply a anti seizure material Molycoat 1000 Dow Corning to the hexagonal bolt when removing mountin...

Страница 15: ...me between No 3 and No 4 of the receiver terminal block CELL terminal The calculated output value of cell electromotive force is attached at the end of the instruction manual so please refer to it Since the cell EMF can be lowered somewhat at the beginning of calibration gas flow wait for it to stabilize and measure it Thermo electromotive K EMF is measured between the thermo electromotive K termi...

Страница 16: ...flown continuously in the calibration gas circuit Caution Do not turn off the electric power source of the O analyazer Please make the standard air flow about 2 min continuously Turn MEAS switch OFF In case of long period more than 1 week and less than a month Follow the same procedure as above in the case of a short time until the atmosphere in the flue becomes air atmosphere but after that turn ...

Страница 17: ...ed remove it with a wire brush etc Note When dust has penetrated inside the filter and a remarkable quantity of dust is found in the filter the filter unit should be replaced Before mounting to the probe transmitter sintering preventing agent DOW CORNING C MOLYKOTE 1000 Visual check of probe transmitter once a year Pull out probe transmitter from the guide pipe and perform a visual inspection At t...

Страница 18: ...olt use a hex wrench to remove it 7 1 Replacing Filter Unit The filter unit consists of in the figure 1 Remove hexagon socket head bolt with hexagon wrench for M3 2 Remove filter fixing bracket and filter fixing net ceramic filter from Pt lead 3 Remove hexagon socket head bolt with hexagon wrench for M5 and remove calibration gas attachment 4 Install the replacement filter unit in the reverse orde...

Страница 19: ... tip external view 7 2 Sensor Unit Replacement 1 Remove the filter unit according to paragraph 1 2 Remove sensor unit and metal O Ring 3 Insert the sensor unit for replacement and metal O Ring 4 Fix the filter unit in the reverse order of 1 Note Anti seizure agent Molycoat1000 Dow Corning on the screw part Please apply ...

Страница 20: ...etection cell unit and perform air purge to remove dirt on the surface If there is a drop in cell output or a delay in response time and it is considered that the cell is degraded replace the detection cell unit Replace the metal O ring with a new one and assemble it 4 Attach a probe transmitter before boiler operation and use it after instructed calibration Dismantling method of hex socket head b...

Страница 21: ...63 28 68 690 28 72 28 76 28 80 28 85 28 89 28 93 28 97 29 01 29 06 29 10 700 29 14 29 18 29 22 29 27 29 31 29 35 29 39 29 43 29 48 29 52 Detection cell electromotive force table mV 640 650 660 670 680 CA K CJ 25 mV 25 61 26 04 26 46 26 87 27 29 定数K PO2 S O2 45 28 45 78 46 28 46 77 47 42 0 1 104 8 105 9 107 1 108 2 109 7 0 25 86 8 87 7 88 7 89 6 90 9 0 5 73 1 73 9 74 7 75 5 76 6 1 0 59 5 60 2 60 8 ...

Страница 22: ... 18 ...

Страница 23: ...arm display and contact output Error is displayed Error number Indication does not change except for zero span point Error lamp is lit Indication overshoots the scale span side Error contact output is output even though the error display or lamp is not shown Indication fluctuates largely Indication changes suddenly Error contact output is not output even though an error occurs Indication is too hi...

Страница 24: ...elivery date instrument Operation conditions Measuring range Gas temperature Measuring concentration Gas pressure Situations of troubles Date and time of event occurrence At heating up steady running cooling down investgating others Investigated contents by your engineers Investigated items investigated results Preparing situation by customer Order number Please get in touch with QC team of Measur...

Страница 25: ......

Страница 26: ...Description in this operation manual is subject to changes without prior notice For advice or detail of our products and services contact the Technical Service Team Industrial System Division ...

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