Mitsubishi Electric G-50A User Manual

Mitsubishi Electric Building Air-conditioner Control System
Central Controller
G-50A/GB-50A Operation Manual for Initial Setting Web
Contents
1 Introduction .........................................................................1
1-1 Conventions Used in This Manual........................................... 1
1-2 Computer Requirements ......................................................... 1
1-3 Notes on using G-50A with the integrated centralized control
software (TG-2000A)................................................................ 1
2 Setting the Operating Environment......................................2
2-1 Setting the PC IP Address....................................................... 2
2-2 Setting the Web Browser......................................................... 4
3 Performing Operations ........................................................6
3-1 Entering the User Name and the Password, and Connecting to
the G-50A ................................................................................. 6
4 Initial Settings......................................................................7
4-1 Setting the Current Date and Time.......................................... 7
4-2 Setting the Basic Information and External Input Functions ... 8
4-3 Group Setting ........................................................................ 13
4-4 Interlocked Setting................................................................. 15
4-5 Block Setting.......................................................................... 16
5 Functions 1........................................................................17
5-1 Error mail reports/E-mail communication.............................. 17
5-2 Energy-Save Control and Peak Cut Control ......................... 20
6 Functions 2........................................................................24
6-1 Limiting the Set Temperature Operating Range ................... 24
6-2 Night Mode Schedule ............................................................ 25
6-3 Auto-Changeover of Y series ................................................ 26
7 User Setting ......................................................................27
8 Registering a License for Optional Function ......................29
Before using the web browser to set the G-50A controlle
r
, please read this operation
Manual carefully to ensure correct operation.
Store this operation manual in a location that is easy to find.

Mitsubishi Electric G-50A Specifications

General

Category	Controller
Manufacturer	Mitsubishi Electric
Model	G-50A
Type	Programmable Logic Controller (PLC)
Input Voltage	24 V DC
Program Memory	8 KB
Communication Ports	RS-485
Operating Temperature	0°C to 55°C
Dimensions	130 mm

Summary

Introduction to G-50A/GB-50A System

Manual Conventions and Terminology

Explains conventions used throughout the manual for clarity and consistency.

PC System Requirements for G-50A Operation

Lists the minimum hardware and software requirements for PC to operate the G-50A.

Using G-50A with TG-2000A Centralized Control

Provides guidance when G-50A is used with integrated centralized control software TG-2000A.

Setting the Operating Environment

Configuring PC IP Address for G-50A Connection

Details how to set the IP address on the PC to connect to the G-50A via a web browser.

Web Browser Configuration for G-50A Access

Explains the necessary web browser settings for connecting to the G-50A.

Performing G-50A Operations via Web Browser

Logging into the G-50A System

Guides users on logging into the G-50A system using web browser credentials.

Initial Settings for G-50A Controller

Setting the Current Date and Time

Describes the process of setting the current date and time on the G-50A controller.

Basic Information and External Input Functions Setup

Covers setting G-50A unit name, network, and external input functions.

Group Setting for Air Conditioner Units

Details how to register groups of air conditioners and set group names.

Interlocked Setting for LOSSNAY and Indoor Units

Explains how to interlock LOSSNAY operation with indoor unit run/stop status.

Block Setting for Group Management

Covers setting up blocks of air conditioner groups for monitoring and operation.

Functions 1: Email and Energy Controls

Error Mail Reports and E-mail Communication Setup

Configures E-mail settings for error reports and communication with the G-50A.

Energy-Save and Peak Cut Control Configuration

Sets up energy-save and peak cut controls for optimizing energy consumption.

Functions 2: Operational Range and Scheduling

Limiting Set Temperature Operating Range

Sets the lower and upper limits for temperature settings to save energy.

Night Mode Schedule for Outdoor Units

Configures the night mode for low-noise operation of outdoor units.

Auto-Changeover Mode for Y Series Units

Enables automatic switching between cooling and heating modes for Y series units.

User Setting and Management

Registering Licenses for Optional Functions