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Miura EX-100 User Manual

Miura EX-100
100 pages
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Please ensure that operation manual is read and observed in full
by all persons working with the steam boiler.
Please also ensure that it is stored in a location where it may be
easily accessed.
INFORMATION IN THIS MANUAL MAY BE CHANGED
WITHOUT ANY NOTICE.
MIURA STEAM BOILER
OPERATION MANUAL
EX-100 EXH-200
EX-150 EXH-250
EX-200 EXH-300
EX-250 EXNH-300
EX-300
EXN-300
Operation Manual Number: T539-998-9004
Date of issue : Aug. 16, 2017
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Miura EX-100 Specifications

General IconGeneral
BrandMiura
ModelEX-100
CategoryBoiler
LanguageEnglish

Summary

9 INSPECTION & MAINTENANCE

9.1 Preparing for Possible Freezing

Measures to protect the boiler and ancillary equipment from freezing.

9.2 Maintenance during Extended Inactivity

Procedures for maintaining the boiler during periods of inactivity to prevent corrosion.

9.3 Regular Maintenance Tasks and Timing

Schedule of routine inspections and cleaning tasks for optimal boiler performance and longevity.

9.4 Spare Parts

Information on obtaining replacement parts for the boiler.

9.5 Overview of Inspection

General guide to the inspection procedures for boiler components and systems.

9.5 Overview of Inspection

9.5.1 Checking the Chemical Feeder

Procedure for verifying the proper function and chemical level of the feeder.

9.5.2 Checking the Water Softness

Steps to test the hardness of the feed water using an indicator.

9.5.3 Checking the Steam Pressure

Confirming the steam pressure gauge reading is within the normal range.

9.5.4 Checking the Gas Pressure

Verifying that the gas pressure gauge reading is within the specified range.

9.5.5 Checking the Oil Pressure

Confirming the oil pressure gauge reading is within the required range.

9.5.6 Checking the Combustion Condition

Procedure to confirm that no smoke is emitted from the chimney.

9.5.7 Blowdown & Testing of the Low Water Level Interlock

Steps for performing blowdown and testing the low water level safety interlock.

9.5.8 Cleaning the Feed-water Strainer

Instructions for removing and cleaning the feed-water strainer to ensure proper flow.

9.5.9 Cleaning the Feed-water Tank

Procedure for cleaning the internal components of the feed-water tank.

9.5.10 Inspecting the Safety Valve

Guidance on regular inspection of the safety valve to ensure proper operation.

9.5.11 Safety Sensors Check

Procedure for inspecting and cleaning key safety sensors like the UV sensor.

9.5.12 Cleaning the Oil Strainer

Steps for removing and cleaning the oil strainer filter element.

9.5.13 Cleaning the Y-type Oil Strainer

Procedure for cleaning the Y-type oil strainer assembly.

9.5.14 Cleaning the Air Filter

Instructions for cleaning the air intake mesh on the blower.

9.5.15 Cleaning the Burners (Oil Fired)

Steps for cleaning the burners, including nozzle tips and gas spread plate.

10 BREAKDOWN & COUNTERMEASURES

10.1 Alarm and Red Status Lamp – Alarm

Details on how the system indicates and responds to alarms and red status lamps.

10.2 Yellow Status Lamp – Caution

Explanation of caution indicators, their meaning, and response procedures.

10.3 Action to be Taken before Ordering Repairs

Troubleshooting steps for common alarms and symptoms before contacting service.

10.3 Action to be Taken before Ordering Repairs

10.3.1 Bleeding Air from the Feed Water Pump

Procedure for removing trapped air from the feed water pump.

10.3.2 Inspecting Water Level Probes

Steps to inspect the water level probes for proper function and connection.

10.3.3 Resetting the High Pressure Limit Shutoff Switch

Procedure to reset the high pressure limit switch if the boiler shuts down.

10.3.4 Resetting Blower Overcurrent

Steps to reset the blower motor after an overcurrent condition.

10.3.5 Bleeding Air from the Oil Pump (for oil-fired combustion)

Procedure for removing air from the oil pump for oil-fired boilers.

11 SPECIFICATIONS

12 APPENDIX

Description of Functionality

Detailed explanation of various control systems like combustion, pressure, and feed water.

Safety Devices

List of safety devices and conditions that trigger lockout combustion and alarms.

Cautionary Situations

Conditions that issue a caution and allow continued operation or control method changes.

Status Display

Boiler Operation Status Indicators

Text strings used by the display to indicate the boiler's current operational status.

Monitoring

Monitoring Parameters

List of parameters that can be output and monitored on the display.

Heat Management Data

Heat Management Parameters

Parameters available for outputting boiler management data in Heat Management mode.

Warning Logs

Warning Log Details

Information on accessing details of recent alarms and cautions from the display.

Communication Functionality

Communicated Information

Details on how the system sends notifications and transfers data.

Monitoring

How the control system outputs data for regular monitoring of boiler conditions.

Control data

Types of control data output, including management and abnormality logs.

Setting of control data

How external devices can read and overwrite boiler settings via the communication function.

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