Daikin AGZ 100D - User Manual

Operating & Maintenance Manual
OMM 1166-1
Group: Chiller
Part No. OMM1166-1
Effective: March 2014
Air-Cooled Scroll Compressor Chiller
AGZ025D – AGZ190D (Rev 0A) 25 to 190 Tons
50 - 60-Hertz, R-410A
Software Version 251699201
© 2014 Daikin Applied

Daikin AGZ 100D Specifications

General

Brand	Daikin
Model	AGZ 100D
Category	Chiller
Language	English

Summary

Operating & Maintenance Manual

Air-Cooled Scroll Compressor Chiller

The main topic and model series of the manual.

Introduction to the Chiller

Provides a general overview of the chiller unit's features and components.

Hazard Identification Information

Details safety warnings and precautions for hazardous situations.

Ambient Air Temperature Limitations

Specifies the maximum and minimum ambient temperatures for unit operation.

Water Flow Limitations

Defines acceptable chilled water flow rates and pressure drop ranges.

Glycol Solutions Handling

Provides formulas and correction factors for using glycol in the system.

MicroTech III Controller

Controller Overview and Features

General introduction to the controller's features and benefits.

Controller Inputs and Outputs

Details the various analog and digital inputs and outputs of the controller.

Unit Level Setpoints Configuration

Configuration parameters for unit modes, enabling, and control sources.

Controller Security and Access

Information on passwords for accessing controller functions.

Unit Functions and Control Logic

Unit Capacity Calculation

How the unit's total capacity is determined.

Unit Mode Selection and States

How to select different operating modes and unit states.

Circuit Functions and Logic

Defines the requirements for enabling circuits and compressor availability.

Compressor Control Logic

Rules for starting, stopping, and staging compressors.

Condenser Fan Control

How condenser fans are staged on/off.

EXV Control Modes

Automatic and manual control of the electronic expansion valve.

Alarms, Events, and Troubleshooting

System Overrides and Alarms

Conditions that override capacity control and unit fault alarms.

Warning and Circuit Fault Alarms

Warnings related to unit operation and faults specific to refrigerant circuits.

Circuit Events and Warnings

Events triggering compressor unloading and circuit warnings.

Alarm Logging and Clearing

Procedures for logging, viewing, and clearing active alarms.

AGZ-D Troubleshooting Chart

Causes and corrective steps for common compressor and system issues.

Controller Interface and Operation

Using the Controller Interface

Description of the controller's keypad, display, and navigation wheel.

Controller Navigation and Passwords

Procedures for entering and managing controller passwords.

VFD Interface (HMI) Operation

Explanation of the VFD's Human-Machine Interface and key functions.

LCD Display Information

Explanation of the data shown on the LCD display.

Startup, Maintenance, and Service

Startup Procedures

Step-by-step instructions for starting the chiller.

Pre-Startup Checks

Checks for water piping, refrigerant piping, and electrical connections.

Unit Maintenance

Routine checks and tasks for overall unit maintenance.

Refrigerant Charging Procedure

Step-by-step guide for charging the refrigerant system.

Filter-Drier Replacement Criteria

When to replace filter-driers based on pressure drop or moisture.

General Service Precautions

Safety warnings and general procedures for servicing the equipment.

Support and Information

Daikin Applied Training and Development

Information on training programs and resources.

Warranty Information

Details on the product warranty terms and conditions.

Aftermarket Services

Information on obtaining parts and service.