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Daikin ERGA04DAV3 User Manual

Daikin ERGA04DAV3
236 pages
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Installer reference guide
Daikin Altherma 3 R F
ERGA04DAV3(A)
ERGA06DAV3(A)
ERGA08DAV3(A)
EHVH04S18D*6V7
EHVH04S23D*6V7
EHVH08S18D*6V7
EHVH08S23D*6V7
EHVH08S18D*9W7
EHVH08S23D*9W7
EHVX04S18D*3V7
EHVX04S18D*6V7
EHVX04S23D*3V7
EHVX04S23D*6V7
EHVX08S18D*6V7
EHVX08S23D*6V7
EHVX08S18D*9W7
EHVX08S23D*9W7

Table of Contents

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Questions and Answers:

Daikin ERGA04DAV3 Specifications

General IconGeneral
Weight (Indoor Unit)10 kg
Weight (Outdoor Unit)35 kg
TypeAir to Air
Power Supply220-240V / 50Hz / 1Ph
Operating Temperature Range (Heating)-15°C to 24°C

Summary

General Safety Precautions

Electrical Safety Precautions

Detailed safety precautions for electrical work, including risk of electrocution and wiring.

Application Guidelines

Setting Up Space Heating/Cooling

Guides on setting up the space heating/cooling system, considering room count and heat emitter types.

Setting Up Power Consumption Control

Guides on limiting system power consumption by setting power limitation levels via the user interface.

Preparation for Installation

Preparing Refrigerant Piping

Covers refrigerant piping requirements, including material, diameter, temper grade, thickness, and insulation.

Preparing Water Piping

Covers water piping requirements, including legislation, force, tools, air/moisture, and closed circuits.

Preparing Electrical Wiring

Introduces electrical wiring preparation, referring to general safety precautions and system compliance.

Installation Process

Mounting the Outdoor Unit

Covers mounting the outdoor unit, including workflow stages and precautions for installation structure and drainage.

Installing the Outdoor Unit

Provides steps and cautions for installing the outdoor unit, including handling with slings and fixing the unit.

Mounting the Indoor Unit

Covers mounting the indoor unit, outlining the typical workflow and precautions.

Connecting Refrigerant Piping

Covers connecting refrigerant piping, including workflow stages and precautions.

Guidelines for Refrigerant Piping

Provides guidelines for connecting pipes, including flare surface coating, using wrenches, and tightening torque.

Connecting Refrigerant Piping to Outdoor Unit

Guides on connecting liquid and gas refrigerant lines from the indoor unit to the outdoor unit's stop valves.

Connecting Refrigerant Piping to Indoor Unit

Details connecting liquid refrigerant lines from the outdoor unit to the indoor unit's connection points.

Checking the Refrigerant Piping

Covers checking refrigerant piping for leaks and performing vacuum drying to remove moisture, air, or nitrogen.

Charging Refrigerant

Covers charging refrigerant, including factory charge, additional charge, and complete recharge procedures.

Determining Additional Refrigerant Amount

Guides on determining additional refrigerant amount based on liquid piping length and minimum floor area requirements.

Charging Additional Refrigerant

Details steps for charging additional refrigerant, connecting cylinder, opening stop valve, and using protective gear.

Connecting Water Piping

Covers connecting water piping, including workflow stages and precautions.

Connecting the Water Piping

Guides on connecting water piping, installing shut-off valves, and connecting domestic hot water pipes.

Connecting Electrical Wiring

Covers connecting electrical wiring, ensuring power supply compliance and typical workflow stages.

Connecting Electrical Wiring to Outdoor Unit

Guides on connecting electrical wiring to the outdoor unit, including stripping wires, connecting cables, and using wire clamps.

Connecting Electrical Wiring to Indoor Unit

Details connecting electrical wiring to the indoor unit, routing wires, and fixing them with cable ties.

Connecting the Main Power Supply

Guides on connecting the main power supply to the indoor unit, with options for low voltage cables.

Connecting Backup Heater Power Supply

Details connecting backup heater power supply, including warnings, cautions, and capacity-dependent power specifications.

Configuration Settings

Accessing Most Used Commands

Explains how to access settings via breadcrumbs or codes and how to change user permission levels.

Configuration Wizard

Guides users through initial system settings via a wizard after the first power-on for proper unit operation.

Malfunctioning Error Handling

Describes how to display error codes and access malfunction information via the main menu.

Main Zone Configuration

Guides on controlling leaving water temperature for the main zone via setpoint screen and schedule influence.

Space Heating/Cooling Modes

Explains how to determine if a heating/cooling model is installed and how to tell the system the operation mode.

Tank Settings

Guides on setting tank temperature using the setpoint screen and activating powerful operation for immediate heating.

Installer Settings Menu

Covers installer settings, including configuration wizard, domestic hot water, backup heater, and emergency settings.

Commissioning the System

Precautions During Commissioning

Provides important precautions for commissioning, including compressor run-in period and warnings about sensors/switches.

Checklist Before Commissioning

Lists items to check before commissioning, ensuring installation is complete, wiring is done, and units are properly mounted.

Checklist During Commissioning

Lists checks for during commissioning: minimum flow rate, air purge, test runs, actuator tests, and underfloor heating screed dryout.

Air Purge Functionality

Explains the purpose of air purge and the modes (Manual/Automatic) for removing air from the water circuit.

Performing Operation Test Run

Guides on performing operation test runs for heating/cooling, monitoring temperatures, and stopping tests manually.

Maintenance and Service

Troubleshooting Common Issues

Troubleshooting Precautions

Provides crucial precautions for troubleshooting, including disconnecting power, not shunting safety devices, and avoiding thermal cut-out resets.

Solving Problems by Symptoms

Provides a table of possible causes and corrective actions for common symptoms, like unit not heating or cooling.

Solving Problems by Error Codes

Explains how to understand error codes on the user interface and take measures before resetting them.

Field Settings Table

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