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Mitsubishi Heavy Industries ESA30EH-25 User Manual

Mitsubishi Heavy Industries ESA30EH-25
80 pages
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This user’s manual describes cautions for safety. Please read this manual carefully before use in order to
operate the unit properly.
Keep this manual, after reading, at a safe place where you can consult it whenever it is necessary.
When the ownership of the unit is changed, please be sure to transfer this manual and the “Installation
Manual” to a new owner.
It is not recommended for a user to install or move the unit by the user’s own discretion. (Safety or functions
may not be assured.)
The emission sound pressure level from the heat pump unit is under 70dB (A).
Thank you very much for your purchasing the heat pump water heater for com-
mercial use.
PJZ012A188A
202009
Air To Water Heat Pump
Natural refrigerant CO
2 Water Heater ESA30EH series
This air to water heat pump complies with Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU, EMC Directive 2014/30/EU,
Pressure Equipment Directive 2014/68/EU, RoHS Directive 2011/65/EU, (EU) 2015/863, Ecodesign requirement Directive 2009/125/EC.
CE marking is applicable to the area of 50 Hz power supply.
USER’S MANUAL
ORIGINAL INSTRUCTIONS

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Mitsubishi Heavy Industries ESA30EH-25 Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelESA30EH-25
CategoryHeat Pump
LanguageEnglish

Summary

Before Use

Safety Precautions

General safety guidelines and warnings for proper operation and preventing harm.

Installation Precautions

Important safety measures and recommendations for installing the unit correctly.

Usage Precautions

General Usage Warnings

Advisories on avoiding combustible substances, cleaning, and abnormal situations.

Environmental Restrictions

Guidance on suitable environments and restrictions for unit operation.

Relocation, Maintenance, and Disposal

Relocation and Maintenance Safety

Safety advice for moving, disassembling, or repairing the unit.

Waste Disposal Guidelines

Instructions for proper disposal of electrical and electronic equipment.

Component Maintenance and Replacement

Maintenance Intervals and Checks

Guide to periodic checks and estimated replacement times for unit components.

Water Quality Criteria

Water Quality Standards

Specifies acceptable limits for various water quality parameters to prevent unit issues.

CO2 Heat Pump Water Heater Description

Unit Composition and Mechanism

Explains the parts of the unit and how it heats water using CO2 refrigerant.

CO2 Refrigerant Benefits

Highlights the environmental benefits and efficiency of using CO2 as a refrigerant.

Hot Water Operation Patterns

Hot Water Storage Operation Settings

Details how to set hot water temperature, amount, and schedule for optimal storage.

Heating Operation Patterns

AUTO and MANUAL Heating Modes

Explains the automatic and manual modes for space heating temperature control.

Combination Use Operation Patterns

Priority Setting for HW and Heating

Defines how to prioritize hot water production over heating or vice versa.

Functions and Settings Overview

Remote Control Setting Descriptions

Lists controllable settings like Run, Pause, Schedule, and Peak-cut with reference pages.

Remote Control (R/C) Interface

R/C Display and Button Functions

Identifies and explains the functions of the R/C's LCD screen and operational buttons.

TOP Screen Navigation

TOP Screen Layout and Icons

Describes the main screen elements including clock, icons, menu, and message display.

HW TOP Screen Details

HW TOP Screen Elements

Explains the components of the HW TOP screen, including clock, icons, and buttons for temperature/amount.

Heating TOP Screen Details

Heating TOP Screen Elements

Details the elements of the Heating TOP screen, showing heating status and temperature settings.

Screen Flow and Navigation

Navigating Between Operation Screens

Illustrates how to switch between different operational screens like TOP, HW, and Heating.

Basic Operation Methods

Hot Water Operation Method

Guides on operating the unit for hot water production using temperature and amount settings.

Space Heating Operation Method

Explains how to operate the unit for space heating using temperature and mode settings.

Running and Pausing the Unit

Start and Pause Operation

Instructions on using the Run/Pause switch to start or pause the unit's operation.

Navigating to Operation Screens

Switching Between TOP, HW, and Heating Screens

Details the steps to navigate to the HW TOP screen or Heating TOP screen from the main TOP screen.

Setting Hot Water Temperature for Top-Up

Adjusting Top-Up Water Temperature

Guides on setting the desired hot water temperature for the top-up operation.

Starting and Stopping Heating Operation

Enabling/Disabling Heating Mode

Explains how to turn the heating operation ON or OFF using the remote control.

Setting Heating Temperature

Configuring Heating Temperature Modes

Instructions on setting heating temperature in AUTO or MANUAL mode and shift temperature.

Schedule Setting Management

Overview of Schedule Settings

Introduces setting weekly schedules, day off, and peak-cut timers for operation.

Setting Weekly Schedules

Configuring Weekly Schedules (HW & Heating)

Details how to set daily hot water amounts or heating modes/temperatures for the week.

Weekly Schedule Configuration (HW)

Setting HW Amount and Time Slots

Guides on setting specific hot water amounts for different time slots throughout the week.

Weekly Schedule Configuration (Heating)

Setting Heating Modes and Temperatures

Details how to set heating modes and temperatures for specific times weekly.

Checking Weekly Schedule Settings

Reviewing Schedule Configurations

Explains how to check and confirm the set weekly schedules for HW and heating.

Setting Day Off Periods

Configuring Day Off for Operation

Instructions on setting specific days or periods when the unit should not operate.

Setting Peak-Cut Operation

Configuring Weekly Peak-Cut Timers

Guides on setting time periods and percentage for peak-cut to reduce power consumption.

Manual Operation to Fill Up

Initiating and Ending Fill-Up Operation

Instructions on manually starting and ending the hot water fill-up process.

Uniform Hot Water Amount Adjustment

Increasing/Decreasing HW Amount Uniformly

Allows adjusting the scheduled HW amount by a factor (More/Less) uniformly across days.

Displaying Hot Water Amount and Operation Mode

Viewing Hot Water Usage and Unit Status

Shows how to view current/past hot water amounts and the unit's operating mode.

Remote Control Menu Operations

Limited Functions on Sub Remote Control

Lists settings that cannot be performed using a sub remote control.

Operating the Main Menu

Navigating Menu Screens

Explains how to access and navigate through the main menu and its sub-menus.

Setting Screen Notes and Behavior

Important Notes for Setting Screens

Provides crucial information on returning, invalid operations, and timeouts during settings.

General Settings Configuration

Initial Settings Menu and Options

Overview of initial setup options including clock, date, contrast, backlight, sound, priority, and summer time.

Administrator Settings Management

Accessing Administrator Settings

Details how to access administrator settings, requiring a password for changes.

Administrator Settings: Operation Control

Setting Limited Operations

Allows enabling or prohibiting specific operations like Run/Pause or heating settings.

Selecting HP Unit for RC Display

Guides on choosing which heat pump unit's status to display on the remote control.

Administrator Settings: Remote Control Display

Configuring Remote Control Display Items

Allows customizing which information (RC name, HP unit name, defrost status) is shown on the remote control.

Advanced Administrator Settings

Changing HW Temperature Step Size

Allows adjustment of the increment/decrement step for hot water temperature settings.

Modifying Administrator Password

Provides instructions on how to change the administrator password for security.

User Environment Settings

Setting User Environments for Operation Patterns

Enables selection of predefined operation patterns based on business types for easier setup.

Operation Lamp and Temperature Limit Settings

Customizing Operation Lamp Behavior

Allows changing the color or timing of the operation status lamp.

Setting Upper Limit for HW Temperature

Defines the maximum allowable hot water storage temperature.

Open Tank Information Display

Checking Open Tank Temperature Sensor Data

Guides on viewing the temperature detected by the open tank sensor.

Application Setting and Schedule Cancellation

Changing Unit Application Mode

Allows switching the unit's application between HW, Heating, or HW&Heating.

Canceling Weekly HW Schedule

Provides an option to disable the weekly schedule for hot water when controlled externally.

Checking Remote Control Settings

Reviewing Current RC and HP Unit Settings

Displays a list of all current settings for the remote control and connected heat pump units.

For Maintenance

Remote Control Maintenance

Instructions for cleaning and maintaining the remote control's LCD and body.

Heat Pump Unit Maintenance

Guidance on ensuring proper air circulation and cleaning the heat exchanger and water circuit.

Hot Water Storage Unit Maintenance

Refers to the specific instruction manual for maintaining the hot water storage unit.

Space Heating Components Maintenance

Refers to component-specific manuals for maintaining space heating parts.

Winter Operation and Long-Term Storage

Anti-Freezing Measures in Winter

Advises on preventing pipe freezing and keeping the unit powered during cold weather.

Procedures for Long-Term Unit Shutdown

Steps for shutting down the unit for over a month, including draining and power disconnection.

Actions During Power Failure

Guidelines for managing the unit during and after a power outage to prevent freezing.

When Errors Occur

Normal Operations Mistaken for Errors

Lists situations that might appear as errors but are normal unit behaviors.

Error Code Reference

Error Codes and Inspection Details

Provides a comprehensive list of error codes, LED indicators, and corresponding inspection details.

Error Code and Maintenance Code Reference

Error Codes and Maintenance Signals

Continues the error code list and introduces maintenance codes for service alerts.

Contact Information and Service Dates

Accessing Company Contact Details

Guides on how to find contact information for service and support through the menu.

Next Service Date Notification

Explains how the unit indicates when the next service date is approaching or has passed.

Periodical Checks and Backup Operation

Notifications for Periodical Checks

Informs about displays indicating required periodical inspections for water or refrigerant circuits.

Understanding [In Backup Operation] Display

Explains the meaning of the [In backup operation] message and the need for immediate inspection.

After-Sales Service Information

Provides guidance on contacting dealers for information, moving, repairs, and general after-sales support.

Language Selection for Remote Control

Changing the Display Language

Instructions on how to select the desired display language for the remote control interface.

Operation Data Monitoring

Checking Unit Operation Status and Data

Guides on viewing the operational status, data, and sensor readings for connected units.

Technical Specifications

Key Performance and Electrical Specifications

Lists detailed technical data including heating capacity, power consumption, dimensions, and electrical ratings.

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