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Daikin EDLA14DA3W1 User Manual

Daikin EDLA14DA3W1
360 pages
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Service manual
Daikin Altherma 3 M
EBLA09~16DAV3
EBLA09~16DAW1
EBLA09~16DA3V3
EBLA09~16DA3W1
EDLA09~16DAV3
EDLA09~16DAW1
EDLA09~16DA3V3
EDLA09~16DA3W1

Table of Contents

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Daikin EDLA14DA3W1 Specifications

General IconGeneral
ModelEDLA14DA3W1
CategoryHeat Pump
RefrigerantR32
Sound Power Level65 dB(A)
Power Supply50Hz
Noise Level (Outdoor)55 dB(A)

Summary

1 General operation

2 Troubleshooting

2.3 Error based troubleshooting

Provides detailed troubleshooting steps for various error codes.

2.3.1 7H-01 – Water flow problem

Troubleshooting steps for water flow issues, including checking valves, purging air, and component checks.

2.3.5 80-00 – Inlet water thermistor abnormality

Troubleshooting for abnormalities with the inlet water thermistor.

2.3.14 A1-00 – Zero cross detection problem

Troubleshooting for zero cross detection issues related to power supply.

2.3.21 C0-00 – Flow sensor malfunction

Troubleshooting steps for a malfunctioning flow sensor.

2.4 Symptom based troubleshooting

Provides troubleshooting guidance based on observed symptoms.

3 Components

3.1.1 Checking procedures

Steps to mechanically and electrically check the 3-way valve.

3.2.1 Checking procedures

Procedures for mechanical and electrical checks of the 4-way valve.

3.7.1 Checking procedures

Procedures for checking the compressor's mechanical, electrical, and insulation status.

To perform an electrical check of the compressor

Steps for performing an electrical check on the compressor, including winding resistance and continuity.

3.9.1 Checking procedures

Procedures for mechanical and electrical checks of the expansion valve.

3.12.1 Checking procedures

Procedures for checking the power supply and HAP LED of the hydro PCB.

Checking procedures

Procedures for checking refrigerant side thermistors by comparing resistance to temperature.

3.21.1 Checking procedures

Procedures for checking the display, contrast, polarizer, and functional defects of the user interface.

3.22.1 Checking procedures

Procedures for performing electrical checks on the water flow sensor, including voltage and frequency measurements.

3.23.1 Checking procedures

Procedures for checking the water pressure sensor's electrical output voltage against measured pressure.

3.24.1 Checking procedures

Procedures for mechanical and electrical checks of the water pump, including rotation, impurities, and PWM signal.

4 Third party components

To prevent electrical hazards

Safety precautions related to electrical hazards, including rectifier voltage.

4.2.1 Checking procedures

Procedures for checking stop valves, refrigerant circuit clogging, and charge.

To check if the refrigerant circuit is correctly charged

Procedures for diagnosing refrigerant overcharge and shortage.

5 Maintenance

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