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SECTION 1

SAFETY

6. Safety Precautions

6.1 Safety Precautions for Installation

The following safety precautions apply to installation.

WARNING



Pressure Controller MP1-200

Ensure that a dedicated circuit breaker (with overcurrent 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 main power supply line, connect wires

with the specified diameter and ensure that they are grounded.

アース端子

Ground terminal

Breaker
capacity

Circuit breaker
(with overcurrent protection)

Circuit breaker

(with overcurrent protection)

Wiring

Содержание MP1-200

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 63: ...MEMO...

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