Daikin EWAT064CZN-A2 User Manual

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

Daikin EWAT064CZN-A2 Specifications

General

Model	EWAT064CZN-A2
Category	Heat Pump
Cooling Capacity	64 kW
Refrigerant	R-410A
Power Supply	50Hz

Summary

Introduction and General Information

Precautions Against Residual Risks

Key safety precautions to prevent hazards during installation and operation.

Installation Information and Guidelines

Guidelines for installing the unit in various locations and environments.

Unit Receipt, Storage, and Handling

Mechanical Installation Procedures

Core procedures and safety for mechanical installation.

Handling and Lifting the Unit

Unit Positioning and Space Requirements

Water Circuit Connection and Operation

Water Piping and Flow Switch

Water Treatment and Antifreeze Protection

Unit Operation Limits

Graphs showing operating ranges for cooling and heating modes.

System Water Content and Expansion Vessel Calibration

Electrical Installation and Operator Responsibilities

General Electrical Specifications

Electric Connections and Cabling

Instructions for making electrical connections, including cable requirements.

Safety Devices and Phase Balance

Requirements for safety devices and considerations for phase unbalance.

Operator Responsibilities

Maintenance Procedures

Routine Maintenance Schedule

Overview of maintenance levels and schedules for standard environments.

Specific Maintenance Tasks

Service, Warranty, and Critical Environments Maintenance

Information on service, warranty, and maintenance for critical environments.

Refrigerant Circuit Diagrams

MONO Circuit P&ID (EWYT~CZ)

MONO Circuit P&ID (EWAT~CZ)

DUAL Circuit P&ID (EWYT~CZ)

DUAL Circuit P&ID (EWAT~CZ)

Unit Startup, Information, and Disposal

First Startup Checks

Mandatory checklist for the initial startup of the unit.