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Daikin RZQ100HY4A User Manual

Daikin RZQ100HY4A
501 pages
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Pocket
Manual
Service Diagnosis
Si20 - 701_B

Table of Contents

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Daikin RZQ100HY4A Specifications

General IconGeneral
Heating Capacity11.2 kW
Power Supply3 Phase, 380-415 V, 50 Hz
RefrigerantR-32
Indoor Unit Noise Level41 dB(A)
Outdoor Unit Noise Level58 dB(A)
TypeInverter
Cooling Capacity10.0 kW
Energy Efficiency Ratio (EER)3.61
Energy Efficiency Ratio (Cooling)3.61

Summary

2. Symptom-based Troubleshooting

2.2 Equipment does not Operate

Details supposed causes and troubleshooting steps for when the equipment fails to operate.

2.3 Indoor Unit Fan Operates, but Compressor does not Operate

Troubleshooting guide for scenarios where the indoor fan runs but the compressor does not operate.

2.4 Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting steps for cooling or heating operations that start and then stop immediately.

3. Troubleshooting by Remote Controller

3.2 Error Codes and Description

Provides a list of error codes, their descriptions, and applicable model names for indoor units.

3.56 L1 Outdoor Unit PCB Abnormality

Troubleshooting for outdoor unit PCB abnormalities, covering current detection, overvoltage, and IPM errors.

3.64 L5 Inverter Compressor Abnormality

Troubleshooting for inverter compressor abnormalities, including lock, startup errors, and overcurrent conditions.

CHECK 4 Evaluation of Abnormal High Pressure

CHECK 5 Evaluation of Abnormal Low Pressure

CHECK 12 Check for Inadequate Refrigerant

CHECK 14 Evaluation of Abnormal High Pressure

CHECK 15 Evaluation of Abnormal Low Pressure

CHECK 16 Method of Checking the Inverter’s Power Transistors and Diode Modules

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