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Hitachi YUTAKI Series User Manual

Hitachi YUTAKI Series
194 pages
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YUTAKI SERIES

Table of Contents

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Hitachi YUTAKI Series Specifications

General IconGeneral
Heating Capacity5.0 kW - 16.0 kW
Cooling Capacity5.0 kW - 16.0 kW
Energy Efficiency ClassA+++
RefrigerantR32
Operating Temperature Range (Cooling)46°C
Noise Level (Indoor Unit)45 dB
Noise Level (Outdoor Unit)45 dB

Summary

General Safety Notes

2.1 Additional Information About Safety

Covers critical safety precautions, including danger warnings and cautions for handling the heat pump system.

2.2 Important Notice

Emphasizes the importance of reading the manual, verifying installation information, and understanding Hitachi's policies.

General Data

3.1 Capacity Tables

Presents nominal capacity and performance data for YUTAKI S models under various operating conditions.

3.2 ERP Performance Data

Details Energy-related Product (ERP) performance data for space heaters, including efficiency and energy classes.

Working Range

4.2 Temperature Working Range

Illustrates the operating temperature ranges for space heating, DHW, swimming pool heating, and space cooling.

Refrigerant Cycle and Hydraulic Circuit

Refrigerant and Water Piping

6.1.2 Precautions in the Event of Gas Refrigerant Leaks

Outlines essential safety precautions and maximum permitted concentrations for refrigerant leakage.

Electrical and Control Settings

Troubleshooting

Alarm Code Indication on Remote Control Switch

Lists alarm codes displayed on the remote control switch and their corresponding details for indoor units.

Alarms for Indoor units

Provides a detailed table of indoor unit alarms, their origin, abnormality details, and main contributing factors.

Alarms for Outdoor units

Details abnormality types and main causes for outdoor unit alarms, categorized by code number and type.

Maintenance

10.1 Maintenance Work

Outlines essential maintenance tasks and precautions for licensed technicians, including power disconnection.

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