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Daikin EWYT090CZN-A2 User Manual

Daikin EWYT090CZN-A2
30 pages
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REV 00
Date 04/2021
Supersedes /
Installation, Maintenance and Operation Manual
DEIMHP0140521_00EN
Air to water heat pump units with scroll compressors
EWYT~CZ / EWAT~CZ

Table of Contents

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Daikin EWYT090CZN-A2 Specifications

General IconGeneral
CategoryHeat Pump
ModelEWYT090CZN-A2
TypeAir to Water Heat Pump
RefrigerantR-32
Net Weight (Outdoor Unit)85 kg
Heating Capacity10.0 kW
Power Supply3 Ph, 400 V, 50 Hz

Summary

1. Introduction

1.1. Precautions Against Residual Risks

Safety precautions to prevent potential hazards during installation and operation.

1.3. Refrigerant Information

1.4. Installation Information

4. Mechanical Installation

4.1. Installation Safety

Safety instructions for personnel involved in installation and commissioning.

4.2. Handling and Lifting

Guidelines for safe handling and lifting of the unit to prevent damage.

4.3. Positioning and Assembly

Requirements for positioning the unit on a stable and level foundation.

4.7. Water Circuit Connection

Recommendations and requirements for connecting the unit's water circuit.

4.7.2. Flow Switch

Explanation of the flow switch function and its role in unit protection.

4.11. Operation Limits

Charts showing operating ranges for cooling and heating modes based on ambient and water temperatures.

4.12. Operating Stability and Minimum Water Content

Importance of adequate water content for system stability and compressor protection.

5. Electrical Installation

5.2. Electric Connections

Detailed instructions for making electrical connections, including cable requirements.

5.2.3. Safety Device Requirements

Requirements for safety devices such as residual current devices and fuses.

5.3. Phase Unbalance

6. Operator's Responsibilities

7. Maintenance

9. First Startup Checks

10. Refrigerant Usage Information

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