Daikin EWAQ021BAW User Manual

INSTALLATION AND
OPERATION MANUAL
EWAQ016BAW
EWAQ021BAW
EWAQ025BAW
EWAQ032BAW
EWAQ040BAW
EWAQ050BAW
EWAQ064BAW
EWYQ016BAW
EWYQ021BAW
EWYQ025BAW
EWYQ032BAW
EWYQ040BAW
EWYQ050BAW
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Packaged air-cooled water chiller
4PWEN70082-1C.book Page 1 Wednesday, September 25, 2013 7:31 AM

Daikin EWAQ021BAW Specifications

General

Brand	Daikin
Model	EWAQ021BAW
Category	Chiller
Language	English

Summary

Installation and Operation Manual

Precautions for Installation

Electrical Shock and High Temperature Dangers

Warnings about handling electrical parts and hot/cold components.

Installation Location Requirements

Water Piping Preparation

Notes on closed water systems and corrosion prevention.

Electrical Wiring Preparation

Safety and Installation Guidelines

Details on earth connection, dedicated circuits, and capacitor use.

Installing the Chiller

Unit Installation and Placement

Guidance on lifting and leveling the unit on its foundation.

Hydraulic System and Wiring

Water Piping Work Connection

Guidelines for connecting water pipes and preventing issues.

Water Piping Work

Connecting the Water Pipes

Guidelines for connecting water pipes, sealants, and regulators.

Water Volume and Expansion Vessel Pre-Pressure

Checking water volume and adjusting expansion vessel pre-pressure.

Water Circuit Protection and Glycol Use

Protecting the Water Circuit Against Freezing

Methods for preventing freezing, including heater tape and glycol.

Use of Glycol

Information on glycol concentration and precautions.

Remote Controller Connection and Optional Equipment

Commissioning the Chiller - Installation Verification

Checklist for ensuring installation is complete and correct.

Commissioning: Installation Verification Checklist

Field Wiring, Fuses, Earth, and Internal Wiring Checks

Unit Installation, Leak, and Voltage Checks

Air Purge, Shut-off Valves, and Power Checks

Unit Configuration and Field Settings

Final Air Purging and Outdoor Module Settings

Remote Controller Field Settings

Accessing and programming field settings via the remote controller.

Field Setting Procedure

Step-by-step guide to changing field settings on the remote controller.

Remote Controller Field Settings Details

User Permission Level and Compensation Settings

Schedule Timer Settings for Space Heating

Unit Operation Settings

Freeze-up Prevention and Temperature Compensation

Glycol Concentration and Temperature Limits

Service Mode: Pump Operation

Final Checks and Test Run

Final Installation Checks

Final checks before unit startup.

Unit Test Run Procedure

Procedure for performing unit test runs.

Heating/Cooling Test Run Procedure

Steps to perform test runs for heating and cooling.

Handover to User

Final steps before handing over the unit to the user.

Cooling Operation Modes

Leaving Water Temperature Control

Heating Operation Modes and Setback Function

Automatic Setback Function

Function for lowering room temperature during specific times.

Heating Control and Weather Dependent Set Point

Remote Controller Buttons and Icons

Explanation of Controller Buttons and Icons

Explains all buttons and icons on the remote controller.

Remote Controller Functions

Programming and Schedule Timer Buttons

Setting Controller Clock and Schedule Timer

Procedure to set the clock and schedule timer.

Space Cooling Operation Modes

Room Temperature Control for Cooling

Cooling and Heating Operation Modes

Leaving Water Temperature Control for Cooling

Room Temperature Control for Heating

Heating Control Methods

Leaving Water Temperature Control Details

Weather Dependent Set Point Operation

Setting operation based on outdoor temp for heating.

Schedule Timer and Quiet Mode Programming

Schedule Timer Operation

Quiet Mode Operation

Schedule Timer Programming and Options

Schedule Timer Operation Details

Programming and Consulting Schedule Timer

Steps to program and view schedule timer actions.

Schedule Timer Programming Guide

Programming Space Timer

Steps to program space cooling or heating schedule timer.

Tips for Programming

Programming Space Settings

Space Cooling Programming Steps

Steps to program space cooling settings.

Programming Space Heating Settings

Space Heating Programming Steps

Steps to program space heating settings.

Schedule Timer Actions and Options

Consulting Programmed Actions

Programming Tips and Tricks

Managing Programmed Actions and Optional Controls

Deleting Programmed Actions, Modes, and Days

Field Settings Procedure

Procedure for Changing Field Settings

Steps to change field settings on the remote controller.

Field Settings Table

List of Field Settings and Default Values

Lists all field settings, defaults, and ranges.

Field Settings Table Continued

Continuation of Field Settings Table

Continuation of the field settings table.

Maintenance and Troubleshooting

Maintenance Activities

Troubleshooting Common Issues

Guidelines for solving common problems.