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Daikin EHU Series User Manual

Daikin EHU Series
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【INSTRUCTION MANUAL
DAIKIN INDUSTRIES, LTD.
SE-04430
Hybrid Hydraulic System
ECO RICH”
EHU SERIES
Instruction Manual
DAIKIN INDUSTRIES, LTD.
Oil Hydraulics Division
《Photo: EHU25-M07-AE-30》
This instruction manual is based on these following types Eco Rich.
As for MGF.NO. before them, there is some difference in operating manual of
the panel and adjusting method.  
   □ EHU14-L04 -A -30 MFG.NO. 3C-**-*****
   □ EHU25-L04 -A -30 MFG.NO. 3C-**-*****
   □ EHU25-L07 -AE -30 MFG.NO. 3D-**-*****
   □ EHU25-M07-AE -30 MFG.NO. 3D-**-*****
   □ EHU30-M07-AE -30 MFG.NO. 3D-**-*****
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Daikin EHU Series Specifications

General IconGeneral
BrandDaikin
ModelEHU Series
CategoryIndustrial Equipment
LanguageEnglish

Summary

Safety Precautions

Before Usage

General advice before using the manual and product.

Symbols of Safety Precautions

Explanation of danger, warning, and caution symbols.

Danger and Caution

Specific safety instructions for high-risk and potential risks.

Preface

Nomenclature

Product Specifications

Parts Name

Hydraulic Circuit

Transporting, Moving, and Installation

Transporting

Guidelines for safely moving the hydraulic unit.

Installation

Requirements for proper installation, ventilation, and securing the unit.

Preparation for Operation

Piping

Instructions for connecting hydraulic lines and ports.

Filling Hydraulic Oil

Procedure for adding hydraulic oil to the tank.

Electric Wiring

Test Run

Starting Confirmation

Initial checks before starting the test run.

Flushing, Oil Change, Air Removal

Steps for flushing, changing oil, and removing air during the test run.

Control Panel Operation Manual

General Description and Modes

Overview of panel layout, modes, and navigation.

Monitor Mode

How to monitor various parameters and settings on the control panel.

Setup Mode

How to configure settings like pressure, flow, and alarms.

Alarm Mode

How to view and confirm alarm codes and history.

Alarm Code List

Maintenance

Periodic Inspection

Guidelines for regular checks of oil, cooler, wiring, etc.

Cleaning and Component Maintenance

Procedures for cleaning oil tank, oil cooler, and suction strainer.

PC Setup Pressure Adjustment

Valve Block and Minimum Revolutions Adjustment

Steps for changing valve blocks and adjusting minimum revolutions.

Variable Relief Valve Pressure Adjustment

Steps to change PC setup pressure and adjust relief valve for variable relief valves.

System Time Charts

Alarm Details and Holding Function

Information on pressure, motor temperature, and defective starting alarms.

MFG No. Function Table

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