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Daikin EWAT025CZP-A1 User Manual

Daikin EWAT025CZP-A1
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 EWAT025CZP-A1 Specifications

General IconGeneral
ModelEWAT025CZP-A1
CategoryHeat Pump
EER3.0
COP4.0
Power Supply3-phase, 400V, 50Hz
RefrigerantR-32

Summary

Introduction to Daikin Heat Pump Units

Refrigerant Information

Details on the R32 refrigerant used, its properties, and safety considerations.

Mechanical Installation Procedures

Mechanical Installation Safety

General safety instructions and required personal protective equipment for installation personnel.

Handling and Lifting Units

Guidelines for safely moving and lifting the unit, including specific lifting points.

Unit Positioning and Assembly

Requirements for unit placement, foundation, and leveling.

Minimum Space Requirements

Recommended clearances around the unit for optimal airflow and maintenance access.

Water Circuit Connection

Guidelines for connecting the unit to the water circuit system.

Flow Switch Functionality

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

Hydraulic Diagram Overview

Diagram illustrating the unit's hydraulic components and connections.

Water Treatment Importance

Importance of water quality and treatment for the heat exchanger and system.

Operation Limits Charts

Charts defining the operating ranges for cooling and heating modes.

System Water Content Stability

Importance of adequate water volume for stable operation and preventing excessive compressor cycling.

Expansion Vessel Calibration

Procedure for calculating and setting the initial pressure of the expansion vessel.

Electrical Installation Requirements

Electric Connection Procedures

Detailed instructions for making electrical connections to the unit.

Safety Device Requirements

Requirements for residual current devices and other safety protection for the power supply.

Operator Responsibilities and Maintenance

Maintenance Overview

Overview of maintenance levels and requirements for different application environments.

Unit Labels and First Startup Checks

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