Mitsubishi Electric TW-50A User Manual

Air Conditioning Control System
Centralized Controller
TW-50A
Before installing the controller, please read this Installation Manual carefully to ensure proper operation.
Retain this manual for future reference.
Installation and Instructions Manual
Safety notes are marked with
WARNING
or
CAUTION, depending on the severity
of possible consequences that may result
when the instructions are not followed
exactly as stated.
Proper installation is important for your
safety and proper functioning of the units.
Thoroughly read the following safety
precautions prior to installation.
Contents
1. Safety precautions ..................................................... 2
1-1. General precautions ..............................................................2
1-2. Precautions for unit installation .............................................3
1-3. Precautions for electrical wiring ............................................3
1-4. Precautions for relocating or repairing the unit .....................4
1-5. Additional precautions ...........................................................4
2. Introduction ................................................................ 6
2-1. Part names ............................................................................6
3. Package contents ....................................................... 8
4. Specifications ............................................................. 9
4-1. Product specifications ...........................................................9
4-2. External dimensions ............................................................10
5. Installation .................................................................11
5-1. Items not included ...............................................................12
5-2. Items sold separately ..........................................................12
5-3. Installation space ................................................................13
5-4. Installation procedures ........................................................14
6. Wiring connections ................................................... 17
6-1. Removing/reinstalling the service cover ..............................17
6-2. Connecting AC power cables and M-NET transmission
cables ..................................................................................19
6-3. Connecting the LAN cable ..................................................21
6-4. Confirming the LAN transmission delay time ......................21
7. Initial settings ........................................................... 23
7-1. Initial settings ......................................................................23
7-2. Quick IP address (LAN1) setting .........................................24
7-3. Network settings .................................................................. 25
8. Test run .................................................................... 26
8-1. Collective operation ON/OFF ..............................................26
9. External input/output ................................................ 27
9-1. External signal input/output function ...................................27
9-2. Pulse signal input function ..................................................29
10. Maintenance ............................................................. 30
10-1. Inspection and maintenance .............................................30
10-2. Back up/import settings data .............................................31
10-3. Software update ................................................................35
10-4. Software information .........................................................38
<ORIGINAL>

Mitsubishi Electric TW-50A Specifications

General

Brand	Mitsubishi Electric
Model	TW-50A
Category	Control Systems
Language	English

Summary

Safety Precautions

General Precautions

General safety guidelines for handling and installing the controller unit.

Unit Installation Precautions

Safety measures specific to the installation of the controller unit.

Electrical Wiring Safety

Crucial safety instructions for performing electrical wiring.

Relocation and Repair Safety

Safety procedures for moving or repairing the controller unit.

Introduction and System Overview

Component Identification

Identifies and describes the physical components and indicators of the TW-50.

Package Contents and Specifications

Included Package Items

Lists all the items provided in the TW-50 controller package.

Technical Product Specifications

Details the technical specifications of the TW-50, including electrical and environmental data.

Installation Guide

Required Installation Items

Lists items not included but required for installation.

Optional Accessories

Lists accessories available for separate purchase.

Installation Space Requirements

Specifies the necessary clearance and spatial considerations for mounting the unit.

Installation Procedures

Step-by-step instructions for physically installing the TW-50.

Wiring and Connections

Service Cover Handling

Procedures for safely removing and reinstalling the controller's service cover.

Power and M-NET Cable Connections

Detailed instructions for connecting AC power and M-NET transmission cables.

LAN Cable Connectivity

Guidelines for connecting the LAN cable and checking network delay.

Initial Setup and Configuration

Initial Settings Process

Overview of the initial configuration process for the TW-50.

Quick IP Address Configuration

Method for quickly setting the LAN IP address using a rotary switch.

Advanced Network Settings

Instructions for configuring IP, subnet mask, and gateway addresses.

Operational Test Procedures

Collective Operation Test

Steps to verify collective ON/OFF operation of connected units.

External Input/Output and Pulse Signals

External Signal Input/Output Function

Details on connecting and using external signals for control.

External Signal Output Function

How to use external signals to indicate unit operation or errors.

Pulse Signal Input Function

Instructions for inputting pulse signals from metering devices for data acquisition.

Maintenance and Software Management

Inspection and Component Lifecycle

Guidance on regular inspections and component maintenance cycles.

Settings Data Backup and Import

Procedures for backing up and restoring configuration settings.

Software Update Process

Step-by-step guide to update the TW-50 firmware.

Software Information Access

How to access details about open-source software used in the unit.