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Daikin EWYT064CZH-A2 User Manual

Daikin EWYT064CZH-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 EWYT064CZH-A2 Specifications

General IconGeneral
BrandDaikin
ModelEWYT064CZH-A2
CategoryHeat Pump
LanguageEnglish

Summary

1. Introduction to Daikin Heat Pumps

1.1. Precautions Against Residual Risks

Outlines safety measures to prevent injuries and equipment damage during installation and operation.

1.2. General Description and Refrigerant Information

Details unit design, operating principles, and properties of the R32 refrigerant.

1.4. Installation Information

Provides guidance on site selection, space requirements, and additional installation considerations.

4. Mechanical Installation Procedures

4.1. Safety and 4.2. Handling and Lifting

Emphasizes safety, proper handling, and lifting techniques for the unit.

4.3. Positioning, Space, and Site Requirements

Covers unit placement, foundations, minimum space, and additional site considerations.

4.7. Water Circuit Connection and Treatment

Details water piping, flow switches, pressure, treatment, and hydraulic diagrams.

4.11. Operation Limits and System Stability

Defines operating ranges, minimum water content, and expansion vessel calibration.

5. Electrical Installation Requirements

5.1. General Specifications and 5.2. Electric Connections

Covers wiring diagrams, general safety, and power supply connection requirements.

5.2.1. Cable Requirements and 5.2.3. Safety Devices

Specifies cable types, installation, and essential safety device requirements.

5.3. Phase Unbalance

Addresses phase unbalance and its impact on the unit.

6. Operator Responsibilities and 7. Maintenance

Operator Responsibilities

Defines the operator's role in training, record-keeping, and reporting abnormal conditions.

Routine Maintenance Procedures

Outlines standard and specific maintenance activities for unit components and environments.

Refrigerant Circuit Diagrams

Provides P&ID diagrams for MONO and DUAL circuit configurations.

8. Unit Labels, 9. Startup Checks, and 10. Refrigerant Information

Unit Labels and First Startup Checklist

Details unit labels and a comprehensive checklist for first-time startup.

Refrigerant Information and Disposal

Covers essential R32 refrigerant details and proper unit disposal guidelines.

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