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Daikin EWAT CZ Series User Manual

Daikin EWAT 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 EWAT CZ Series Specifications

General IconGeneral
BrandDaikin
ModelEWAT CZ Series
CategoryHeat Pump
LanguageEnglish

Summary

Safety Considerations

General Safety

Installation, start-up, and servicing hazards for the unit.

Electrocution Prevention

Safety precautions for working with electrical components and avoiding electrocution.

General Description

Application Save and Reset

Procedure for saving and resetting unit parameters and configurations.

Working With This Unit

Chiller On/Off Control

Features for managing unit start/stop operations.

Scheduler Functionality

Automatic unit activation/deactivation based on programmed time bands.

Water Setpoint Configuration

Defining primary and secondary water setpoints for cooling or heating.

Unit Mode Selection

Defining whether the chiller produces chilled or heated water.

Heat/Cool Setup Methods

Methods to set Heat/Cool operating mode: Digital Input, Software, Network.

Pumps and Variable Flow

Managing water pump control types: Fixed Speed, VPF, DeltaT.

Network Control Configuration

Unit control via BMS using the Control Source parameter.

Thermostatic Control Settings

Settings for unit response to temperature variations and compressor staging.

Power Conservation Functions

Functions designed to reduce the unit's overall power consumption.

Demand Limit

Limiting the unit to a specified maximum load via an external signal.

Setpoint Reset Function

Overriding active setpoints to reduce energy consumption under certain conditions.

Connectivity Kit & BMS

Ports and protocols for communication via Modbus and BACnet.

Alarms and Troubleshooting

Alarms List Overview

Display of active alarms on the HMI, including mapping and causes.

Troubleshooting Guide

Measures for common malfunctions and system issues, and when to contact a dealer.

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