Miura EJ-210 Operation Manual
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Miura EJ-210 Operation Manual

Miura EJ-210 Operation Manual

Boiler operation terminal
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See also: Installation Manual
OPERATION
MANUAL
Boiler Operation Terminal
EJ-210
This document was formulated in Japan.
Comply with the regulations and standards of
the country of use regarding installation and
usage.
The specifications of products and
components may vary with country of use and
the site situation.
Contact your dealer or MIURA sales office for
further inquiry regarding this document.
INFORMATION IN THIS MANUAL MAY BE
CHANGED WITHOUT NOTICE.
Manual Code No.
E608-216-0640
Normal
Data
Caution
Blow
BP – TERMINAL

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Summary of Contents for Miura EJ-210

  • Page 1 The specifications of products and components may vary with country of use and the site situation. Contact your dealer or MIURA sales office for further inquiry regarding this document. Normal Data Blow BP –...
  • Page 2 Release date: December 2015...
  • Page 3 If any part used in the product fails, contact your dealer or MIURA sales office to replace it with its genuine part. Using parts of different models might reduce safety.

  • Page 4: Introduction

    “EJ-210”) to ensure its proper use. Not only those who use the EJ-210 for the first time but also those who know the handling methods should read this document carefully and understand the proper handling methods before use of the EJ- 210.

  • Page 5: Definition Of Terms

    Soot blow Washing the interior of the economizer with water to remove soot. A state where boiler combustion is stopped while the “OPERATION” Standby switch is ON. NOTE Contact your dealer or MIURA sales office for the boiler controller model.

  • Page 6: Table Of Contents

    Table of Contents Table of Contents Important Safety Information ..............i Introduction....................ii Definition of Terms .................. iii SECTION 1: SAFETY ................. 1 1. Safety Regulations ................1 2. Safety-Related Knowledge and Expertise ......... 1 3. Protective Equipment ................ 1 4.
  • Page 7 Table of Contents 3. Details of the User Operation Mode ..........10 3.1 Setting Steam Pressure ................11 3.2 Setting the System Date and Time ............12 3.3 Setting the Blowdown Notification Time ........... 13 3.4 Setting the Soot Blow Notification Time ............ 14 4.

  • Page 9: Section 1: Safety

    — 2. Safety-Related Knowledge and Expertise Handling of the EJ-210 is comprised of operations associated with the running of the equipment and operations regarding maintenance. Accordingly, the EJ-210 must be handled by persons who have fully read and understood this manual.

  • Page 10: Safety Precautions

    5.1 Safety during Installation During installation, observe the following safety information. WARNING Check that the power supply wiring of the EJ-210 is connected from the boiler power supply. Ensure that a dedicated power supply is used as the boiler power supply and an earth leakage circuit breaker (with overcurrent protection) is installed for it.

  • Page 11: Safety During Use Of Equipment

    Do not perform work other than that specified. Failure to observe this precaution may result in injuries. 5.4 Safety during Transfer or Resale During the transfer or resale of the EJ-210, observe the following safety information. (Excerpt from page 21) WARNING Ensure that the EJ-210 is installed only in the specified condition and connected to the specified peripheral equipment.

  • Page 12: Section 2: Overview

    BP-201 . For a steam boiler that allows combustion control by a pressure switch, connect the EJ-210 contact output in series with the wiring to the pressure switch to switch between boiler high fire , low fire...

  • Page 13: Network Configuration

    ■ Steam header ■ Boiler operation terminal EJ-210 Used for MI control of steam boilers by BP-201 . The EJ-210 also acts as a relay for monitoring by BP-201 and notification of boiler alarms ■ Automatic monitoring system for water hardness leakage ■...

  • Page 14: Specifications

    The “Normal” lamp (green) turns ON Used to change parameters and when the power is supplied and the increase/decrease values in each EJ-210 is functioning normally. mode, and select individual letters. The “Caution” lamp (yellow) turns ON when an alarm occurs.

  • Page 15: Section 3: Operation

    SECTION 3: OPERATION SECTION 3: OPERATION 1. Using the Buttons 1.1 Using the “Data” Button Each time the “Data” button is pressed, the mode switches in the sequence: Status Monitor mode, User Operation mode, Current Alarm Check mode, and Alarm History mode.

  • Page 16: Details Of The Status Monitor Mode

    “START” switch OFF. Manual Condition when pressure control is performed using the set pressure on the boiler or the EJ-210 when manual operation is selected on the BP-201 when automatic operation is not possible under MI control Standby Standby condition due to the BP-201 systemwide standby function.
  • Page 17 SECTION 3: OPERATION Items presented in lower row of display Monitored item Example of lower row of display Header pressure Header 115PSI Boiler steam pressure Boiler 115PSI Calendar (date and time) 01/01/2010 00:00 (*) (NOTE 1) Remaining time to blowdown Next B/Down 10 Hr (*) (NOTE 2)

  • Page 18: Details Of The User Operation Mode

    SECTION 3: OPERATION 3. Details of the User Operation Mode This steam pressure, current time, etc. can be set in the User Operation mode. User OPR Mode Data a) Press the “Data” button to select the User Operation Press&Hold[DATA] mode. b) Press and hold the “Data”...

  • Page 19: Setting Steam Pressure

    SECTION 3: OPERATION 3.1 Setting Steam Pressure Make the pressure settings for pressure control according to the boiler steam pressure during manual operation. a) Press the “Data” button to display the screen of PRESS SET (L) Data ｱﾂﾘｮｸｾｯﾃｲ (ﾃｲ) 115PSI the steam pressure setting to change.

  • Page 20: Setting The System Date And Time

    SECTION 3: OPERATION 3.2 Setting the System Date and Time Set the present date and time. NOTE • The current date and time must be set correctly because they are used for various controls and functions. The date and time is set before the product is shipped. Ensure that they are correct.

  • Page 21: Setting The Blowdown Notification Time

    10Hr NOTE For more details about changing the blowdown notification time, contact your dealer or MIURA sales office. notification is made if the time is set to “0 Hr”. No blowdown c) When all changes are complete, press and Data hold the “Data”...

  • Page 22: Setting The Soot Blow Notification Time

    NOTE For more details about changing the soot blow notification time, contact your dealer or MIURA sales office. notification is made if the time is set to “0 Hr”. No soot blow c) When all changes are complete, press and Data hold the “Data”...

  • Page 23: Details Of The Current Alarm Check Mode

    SECTION 3: OPERATION 4. Details of the Current Alarm Check Mode The details of current alarms and the date and time when the alarm occurred can be checked in the are duplicated, press the “Data” button to display the details Current Alarm Check mode.

  • Page 24: Details Of The Alarm History Mode

    SECTION 3: OPERATION 5. Details of the Alarm History Mode The details of previous alarms and the date and time when the alarm occurred can be checked in History mode. Press the “Data” button to display the details of the 5 most recent alarms. the Alarm For details about the displayed items, refer to “2.

  • Page 25: Blowdown Notification

    NOTE Even when blowdown is performed due to a notification on the boiler display, it may be necessary to press the “Blow” button after blowdown is complete. For details, contact your dealer or MIURA sales office.

  • Page 26: Soot Blow Notification

    SECTION 3: OPERATION 7. Soot Blow Notification NOTE The lit “Caution” lamp and a message on the display notify that soot blow timing is reached. S/Blow Required Perform Blow a) Press the “Data” button. Data • The “Caution” lamp turns OFF and the following message disappears on the display.

  • Page 27: Section 4: Troubleshooting

    The details of the notification are shown on the display. NOTE • Some notifications show actions to be performed by MIURA maintenance personnel. Refer to “2. Action to be Taken before Ordering Repairs” in SECTION 4 for details regarding the action to be taken in response to notifications.

  • Page 28: Action To Be Taken Before Ordering Repairs

    2. Action to be Taken before Ordering Repairs WARNING If any anomaly persists after completing the specified repairs, contact your dealer or MIURA sales office. Do not perform work other than that specified. Failure to observe this precaution may result in injuries.

  • Page 29: Section 5: Storage

    2. Export This product was manufactured for use in the country where MIURA judges that the export of the product is allowable. Therefore, the full performance may be inhibited due to differences in operating environment if the product is used outside the current country of use.

  • Page 30: Section 6: Disposal

    SECTION 6: DISPOSAL SECTION 6: DISPOSAL 1. Disposal Method When disposing of the product, comply with the laws and regulations.

  • Page 31: Section 7: Warranty

    SECTION 7: WARRANTY 1. Note Regarding Warranty Regarding the contents of the warranty, contact your dealer or MIURA sales office. 2. Questions Regarding the Product and Operation Manual For any questions about your purchased product or the contents of this Operation Manual, contact your dealer or MIURA sales office.

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