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Daikin Manuals
Heat Pump
HXHD-A8
Operation manual
Daikin HXHD-A8 Operation Manual
System indoor unit
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Definitions
Meaning of Warnings and Symbols
Meaning of Used Terms
General Safety Precautions
Introduction
General Information
Scope of this Manual
Quick Start-Up of the Unit
Space Heating Operation
Domestic Water Heating Operation
Operation of the Unit
Remote Controller Buttons and Icons
Setting the Clock
Space Heating Operation ( )
Room Temperature Control
Leaving Water Temperature Control
Domestic Water Heating Operation ( )
Automatic Storage
Manual Storage
Reheat
Disinfection Operation
Other Operation Modes
Start up Operation ( )
Defrost Operation ( )
Quiet Mode Operation ( )
Simultaneous Demand of Space Heating and Domestic Water Heating
Temperature Read-Out Mode
Schedule Timer Operation
Space Heating
Domestic Water Heating
Quiet Mode
Programming and Consulting the Schedule Timer
Programming Space Heating
Programming Domestic Water Heating
Programming Quiet Mode
Consulting Programmed Actions
Tips and Tricks
Operating the Remote Alarm Option
Operating the Optional Remote Controller
Field Settings
Procedure
Field Settings Table
Maintenance
Maintenance Activities
Important Information Regarding the Refrigerant Used
Troubleshooting
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OPERATION MANUAL
system indoor unit
HXHD125A8V1B
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Summarization of Contents
Document Definitions
Meaning of Warnings and Symbols
Explains classification of warnings based on severity and probability of occurrence.
Meaning of Used Terms
Defines key terms used in the manual for clarity and context.
General Safety Precautions
Electrical Shock Safety
Details precautions to avoid electrical shock, including power disconnection.
Piping and Internal Parts Safety
Warns against touching hot or cold piping and internal parts to prevent burns or frostbite.
Introduction to the Manual
General Unit Information
Provides general information about the indoor unit and its compatibility.
Manual Scope and Content
Outlines the content covered in the manual, including operation, settings, and troubleshooting.
Quick Start-Up Procedures
Space Heating Quick Start
Step-by-step guide for quickly starting up the space heating function.
Domestic Water Heating Quick Start
Step-by-step guide for quickly starting up the domestic water heating function.
Unit Operation: Remote Controller
Remote Controller Buttons and Icons Explained
Details the function of each button and icon on the remote controller for user interaction.
Setting the System Clock
Setting the Clock and Day of the Week
Instructions on how to set the system clock and day for schedule timer accuracy.
Space Heating Operation Details
Room Temperature Control
Explains space heating control based on room temperature set point.
Automatic Setback Function
Explains the automatic setback function to lower room temperature during specific periods.
Leaving Water Temperature Control
Weather Dependent Set Point Operation
Describes setting temperature based on outdoor ambient temperature for energy efficiency.
Domestic Water Heating Operation Modes
Automatic Storage Mode Explained
Describes the automatic storage mode for delivering hot water based on a daily pattern.
Other Unit Operation Modes
Manual Storage, Reheat, and Disinfection
Explains manual storage, reheat, and disinfection modes for domestic hot water.
Quiet Mode Operation
Describes quiet mode operation for reduced noise.
Advanced Operation Features
Simultaneous Heating Demands Management
Explains how the unit manages simultaneous space and water heating demands.
Temperature Read-Out Mode
Describes how to display various system temperatures.
Schedule Timer Operation
Introduction to Schedule Timer Function
Introduces the schedule timer for automating unit operations based on programmed actions.
Schedule Timer Programming: Space Heating
Programming Space Heating Actions
Explains how to program space heating operations using the schedule timer.
Schedule Timer Programming: Other Modes
Domestic Water Heating Schedule Timer
Explains programming domestic water heating operations using the schedule timer.
Quiet Mode Schedule Timer
Explains programming quiet mode operations using the schedule timer.
Consulting Programmed Actions
Explains how to view programmed actions for various modes on the remote controller.
Detailed Schedule Timer Programming
Programming Space Heating Steps
Step-by-step instructions for programming space heating using the remote controller.
Detailed Schedule Timer Programming (Cont.)
Programming Domestic Water Heating Steps
Step-by-step instructions for programming domestic water heating using the remote controller.
Programming Quiet Mode Steps
Step-by-step instructions for programming quiet mode using the remote controller.
Schedule Timer Management
Viewing Programmed Actions
Explains how to view programmed actions for various modes on the remote controller.
Deleting Programmed Actions and Modes
Instructions for deleting programmed actions or modes from the schedule timer.
Programming Tips and Copying Actions
Provides tips for programming and copying actions between days.
Advanced Settings and Options
Remote Alarm Option Functionality
Details optional remote alarm output signals for system monitoring.
Optional Remote Controller Operation
Explains the functionality and limitations of an optional secondary remote controller.
Field Settings Configuration
Field Settings Procedure
Explains how to access and modify field settings to configure the unit's operation.
Field Settings Table Details
Comprehensive Field Settings List
Lists all field settings, their default values, ranges, and units.
Maintenance and Refrigerant Information
Routine Maintenance Activities
Outlines recommended maintenance activities and checks for optimal unit operation.
Refrigerant Information
Provides information on the refrigerant used, including its type and global warming potential.
Troubleshooting Guide
Problem Diagnosis and Correction
Lists common issues, their possible causes, and corrective actions for diagnosing and fixing problems.
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