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Miura MP1-200, Operation Manual

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Miura MP1-200 Operation Manual Download Page 20

SECTION 2 

OVERVIEW

 

12 

2.2.2 Internal 

Structure 

 

 

 

 

 

 

Do not carry out internal setting with the top cover of the main unit open. A touch on the internal 

terminal blocks or parts on the circuit board results in an electric shock or mechanical problem. 

An error in setting leads to malfunction. Do not open the top cover except for special cases 

such as installation check. 

Summary of Contents for MP1-200

Page 1: ...peration Manual Code No T519 998 9130 E130 002 0940 INFORMATION IN THIS MANUAL MAY BE CHANGED WITHOUT NOTICE Ensure that this operation manual is fully read and observed by all persons working with th...

Page 2: ...Date of preparation May 2012...

Page 3: ...nly with known hazards A higher level of safety can be achieved by carefully observing the warnings and instructions set forth herein Safety and damage related warnings are classified into the followi...

Page 4: ...e referred to at any time to confirm the correct usage Explanation of Notation The meanings of the symbols used in this manual are as shown below Indicates a prohibited action what you must not do Ind...

Page 5: ...ntrol To automatically operate the quantity of boilers among several installed boilers that corresponds to the required amount of steam Twisted pair cable A pair of electric wires of two intertwined e...

Page 6: ...y Precautions for Installation 3 6 2 Safety Precautions for Use of the Equipment 4 6 3 Safety Precautions for Relocation or Resale excerpt from page 51 of the text 4 SECTION 2 OVERVIEW 5 1 Product Ove...

Page 7: ...riority 21 2 2 2 Setting the Current Time 22 2 2 3 Setting the Day of the Week 22 2 2 4 Setting Cumulative Combustion Time 23 2 3 Basic Data Display and Setting Operation 24 2 4 List of Setting Displa...

Page 8: ...Do Not Start Combustion 48 5 When the B BLOW or S BLOW LED Does Not Turn on at All or Turns on Frequently 48 6 When Automatic Rotation Is Not Performed or Automatic Rotation Does Not Change The Priori...

Page 9: ...sage of the Multiple Installation Controller requires knowledge and experience of the operation and maintenance of mechanical equipment Understand the operation manual before attempting to use the con...

Page 10: ...bels on the Product Main Unit A warning label is affixed where caution is required for operation Replace peeling or torn warning labels If warning labels are peeling off or damaged replace with new on...

Page 11: ...protection is installed on the main power supply line MI Terminal MT1 200 Ensure that the main power supply line is wired from the boiler power supply line For installation of the power supply of the...

Page 12: ...voltage electric shock and injury or death Do not place combustible materials in the unit Failure to observe this precaution can result in a fire and death 6 3 Safety Precautions for Relocation or Res...

Page 13: ...lers according to the cumulative combustion time of the boiler which enables automatic equalization of boiler combustion time The blowdown time can be notified with the indication lamp by setting the...

Page 14: ...MP1 200 steam boilers controlled under MI control and MT1 200 units that control the boilers The Pressure Controller MP1 200 performs monitoring on steam pressure of the steam header to determine the...

Page 15: ...14 114 Control communication Mutual information transmission by two core pair twisted pair cable Total interconnection length Maximum 300 m wiring for MI control communication line Control method Com...

Page 16: ...upply voltage Input current 6 mA at 200 VAC Alarm check 4 5 All combustion 6 7 All stop 7 8 Monitor output Output name Terminal number Signal type Sensor fail 9 10 Normally open dry contact Contact ra...

Page 17: ...SECTION 2 OVERVIEW 9 2 Component Names and Functions 2 1 Pressure Controller MP1 200 2 1 1 Control Panel...

Page 18: ...nt panel hold it with both hands and pull it See the figure below for internal construction When operations such as configuration are performed with the front panel opened do not touch undesignated po...

Page 19: ...SECTION 2 OVERVIEW 11 2 2 MI Terminal MT1 200 2 2 1 Control Panel NOTE You are not able to use TIMER FUNCTION if the local code does not allow you to use it...

Page 20: ...with the top cover of the main unit open A touch on the internal terminal blocks or parts on the circuit board results in an electric shock or mechanical problem An error in setting leads to malfuncti...

Page 21: ...ERATION 1 Operating the Pressure Controller MP1 200 1 1 Normal Operation a Display control When the DISPLAY CHANGE switch is pressed items on the display change as shown below The left end of LED indi...

Page 22: ...Controller MP1 200 has alarm outputs to connect a buzzer or other purposes The output contact closes in case of abnormality To stop this output press the DISPLAY CHANGE switch or perform alarm check o...

Page 23: ...the maximum steam pressure value b Setting of control range Press the DISPLAY CHANGE switch to display the Control range setting Turn the internal potentiometer VR4 to set a control steam pressure ran...

Page 24: ...he output contact closes during normal communication with any of the connected MT1 200 units 3 SW1 5 6 Set a connected pressure sensor type SW1 Maximum steam pressure MPa kgf cm2 5 6 OFF OFF 0 98 10 0...

Page 25: ...dure as for setting the quantity of boilers under control above Out of the quantity specified here the largest possible number of boilers are started to hold low fire Start operation depends on the se...

Page 26: ...djustment When the local use environment causes a deviation in the steam pressure display from the actual value there is a need to perform settings for both zero adjustment and gain adjustment There i...

Page 27: ...xt ON OFF time Example Unit is ON at 13 00 F display OFF time Cumulative combustion time Example 1 800 hours Input signal error Under judgment alarm This is indicated only when an optional pressure se...

Page 28: ...imer control The TIMER LED turns ON Boiler stops under timer control The TIMER LED blinks Timer control OFF The TIMER LED turns OFF NOTE You are not able to use TIMER FUNCTION if the local code does n...

Page 29: ...isplay the digit to be changed Repeat 3 When all the digits are set the setting is finished with nothing blinking on the display The following four items can be set or changed Priority See below Curre...

Page 30: ...h to set a values 6 Press the SELECT switch to finish the setting 2 2 3 Setting the Day of the Week The timer function is activated according to the day of the week that is set here When the setting i...

Page 31: ...mentable Give higher priorities to new boilers all the time Divide old boilers and new boilers into separate groups for automatic rotation Example When two new boilers No 1 and 2 and two old boilers N...

Page 32: ...as needed to display the digit to be changed Repeat 3 When all the digits are set the setting is finished with nothing blinking on the display The following thirteen items can be set or changed Steam...

Page 33: ...o set the desired pressure 4 Press the SELECT switch to finish the setting b Differential setting high Option Only when pressure sensor is installed After boiler combustion is stopped at the pressure...

Page 34: ...ing 3 Press the UP or DOWN switch to set the desired pressure 4 Press the SELECT switch to finish the setting d Differential setting low Option Only when pressure sensor is installed After the shift f...

Page 35: ...ed to display the holding pressure setting 2 Press the UP and DOWN switches simultaneously and then the set value starts blinking 3 Press the UP or DOWN switch to set the desired pressure 4 Press the...

Page 36: ...in the following order The information enclosed in the box describes the indications of a ON time and OFF time on the display Sunday Boiler ON time Boiler OFF time Monday Boiler ON time Boiler OFF tim...

Page 37: ...ON time is the same as the OFF time Turned ON all day long 4 When only ON time is set OFF time 24 00 5 When only OFF time is set ON time 24 00 Previous day status Stop 0 00 OFF time 24 00 Previous da...

Page 38: ...0 and 13 00 to stop timer operation Disabling the timer operation allows the boiler to perform combustion after 13 00 To stop boilers press the TIMER switch to activate the timer operation 5 To turn o...

Page 39: ...ing 5 Press the UP or DOWN switch to set the desired minute 6 Press the SELECT to finish the setting for ON time on Sunday h Post fire time second If the boiler is to be stopped during automatic opera...

Page 40: ...als The valid setting can be made only with the MI Terminal MT1 200 installed on the boiler No 1 The valid setting can be made only when an optional pressure sensor is installed k Priority combustion...

Page 41: ...When the cumulative combustion time reaches the value specified here the S BLOW LED starts blinking Press the S BLOW switch to restart timing Set the time within the range of 0 to 999 in hour units I...

Page 42: ...sure header steam pressure boiler steam pressure steam pressure setting high differential setting high steam pressure setting low differential setting low holding pressure setting differential setting...

Page 43: ...Pressure Controller MP1 200 Boilers of which boiler number of the MI Terminal MT1 200 is duplicated with that of other MI Terminal MT1 200 Boilers which are off by the pressure switch of the boiler 2...

Page 44: ...low fire may exceed the set quantity of stand by boilers 2 If more boilers than the set quantity of stand by boilers continue low fire for over 15 minutes operation is stopped from the lowest priority...

Page 45: ...y of load response If the priority sequence of boilers is changed the existing boilers continue combustion until the new boiler starts combustion c A pressure sensor is installed on the MI Terminal MT...

Page 46: ...hen pressure sensor is installed If an optional pressure sensor is installed the automatic rotation can be performed at intervals of 1 to 12 hours by setting the rotation flag to an alphabetical chara...

Page 47: ...ion 1 2 900 1 4 2 800 2 2 3 9 700 3 3 4 600 4 1 In this example automatic rotation is performed every two days at a specified time in accordance with the rotation flag setting for the boiler No 1 At t...

Page 48: ...ng the notification time for blowdown timing the B BLOW LED on the MI Terminal MT1 200 blinks to notify the blowdown timing P 32 The notification time for complete blowdown and soot blow can be set an...

Page 49: ...atic The contact of the alarm output terminal block No 14 also closes The input logic can be changed with the internal SWITCH 1 P 16 b Alarm confirmation input Terminal block No 4 and No 5 input This...

Page 50: ...l Block No 9 to No 20 The terminal blocks No 9 through 20 are non voltage contact output terminals normally open for the external monitor Connect a load of 250 VAC 1 A or less 20 19 18 17 16 15 14 13...

Page 51: ...attributed to the possible cause b Communication status output Terminal block No 11 The communication status is output through the contact Operation varies depending on the setting of the SWITCH 1 ins...

Page 52: ...l panel turns ON when the steam header s steam pressure is lowered below the specified Pressure Alarm L Setting The output is reset automatically when the header steam pressure exceeds the set value o...

Page 53: ...ation mode When the boiler is set to the manual operation mode operation is changed automatically so that it operates at a control pressure set with the MT1 200 P 25 b Pressure holding By setting a ho...

Page 54: ...Change Function 4 1 Changing the Display Unit of the MI Terminal MT1 200 The pressure display unit of the MI Terminal MT1 200 is changeable MPa kgf cm2 psi To make changes to the pressure display uni...

Page 55: ...ation mode Press the AUTO switch to select the automatic operation mode P 20 b Check if the AUTO LED of the MI Terminal MT1 200 is blinking If the AUTO LED is blinking the unit is in manual operation...

Page 56: ...ith the timer function Press the TIMER switch to cancel the timer function or change the timer setting P 20 28 c Check if the LUMP OPERATION or EMERGENCY STOP LED of the Pressure Controller MP1 200 co...

Page 57: ...er supply is turned off at the rotation time If the Pressure Controller MP1 200 or the MI Terminal MT1 200 is turned off at the rotation time rotation will not be performed Change the rotation time or...

Page 58: ...ot change If any abnormality prevents the controller from controlling a boiler the controller does not count the boiler in the number of controlled boilers and allows the other boilers with successive...

Page 59: ...ontact a MIURA sales office or your local dealer Inappropriate installation or unsuitable peripheral equipment may cause personal injuries When reselling our products pass the operation manual and pro...

Page 60: ...O SERVICES PROVIDED BY MIURA EXCEPT AS PROVIDED HEREIN UNDER NO CIRCUMSTANCES WILL MIURA BE LIABLE TO PURCHASER UNDER ANY TORT NEGLEGENCE STRICT LIABILITY CONTRACT OR OTHER LEGAL OR EQUITABLE THEORY F...

Page 61: ...ENDIX 1 Purchasing Individual Operation Manuals If you need the operation manual of the Pressure Controller MP1 200 MI Terminal MT1 200 contact a MIURA sales office Have your operation manual code num...

Page 62: ...SECTION 7 APPENDIX 54 MEMO...

Page 63: ...MEMO...

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