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Daikin EWYT CZ Series User Manual

Daikin EWYT CZ Series
35 pages
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REV
04
Date
08/2022
Supersedes
D-EOMHP01405_03EN
Air to water heat pump units with scroll compressors
EWYT~CZ / EWAT~CZ
Original Instruction
Operating Manual
D-EOMHP01405-21_04EN

Table of Contents

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Daikin EWYT CZ Series Specifications

General IconGeneral
BrandDaikin
ModelEWYT CZ Series
CategoryHeat Pump
LanguageEnglish

Summary

SAFETY CONSIDERATIONS

General Safety Guidelines

General safety guidelines for installation, start-up, and servicing of equipment.

Pre-Operation Checks

Recommendations to follow before powering on the unit for operation or maintenance.

Electrical Safety Precautions

Details risks of electrocution, burns, and necessary safety measures.

GENERAL DESCRIPTION

Basic Information and Architecture

Overview of the chiller system and controller architecture.

Abbreviations and Operating Limits

Glossary of terms and environmental operating limits for the controller.

Controller Maintenance and Web Interface

Information on controller maintenance and the embedded web interface.

Application Save and Reset

How to save HMI parameters and reset the unit controller configuration.

WORKING WITH THIS UNIT

User Interface and Icons

Description of the HMI display, navigation, and icon indicators.

Password and Unit On/Off Control

Details password entry and methods for unit start/stop control.

Scheduler and Network Control

Manages unit schedule-based activation and network start/stop control.

Water Setpoints and Pump Control

Details setting water temperatures and managing pump operation modes.

Unit Mode and Thermostatic Control

Defines unit mode and adjusts response to temperature variations.

Silent Mode and External Alarms

Explains silent mode for noise reduction and external alarm configuration.

Power Conservation Features

Covers unit capacity, demand limit, current limit, and setpoint reset.

Network and System Configuration

Details IP setup, Daikin On Site, Date/Time, and Master/Slave configurations.

Boost, Modules, and DHW

Covers unit boost, IO modules, constant heating, and domestic hot water.

Connectivity and Software Information

Details BMS communication, software versions, and screen saver.

Controller Management and Parameters

Explains controller operations, defriner, and parameter navigation.

ALARMS AND TROUBLE SHOOTING

Alarm List Overview

Displays active alarms and provides a list for troubleshooting.

Troubleshooting Common Malfunctions

Provides measures for common malfunctions and when to contact a dealer.

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