Mitsubishi Electric EW-50A - User Manual

Air Conditioning Control System
Centralized Controller
EW-50A/EW-50E
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
4-3. Product features ............................................................................................11
5. System configuration .................................................................. 14
5-1. System restrictions ....................................................................................... 14
5-2. M-NET power feeding coefficient .................................................................. 15
5-3. System configuration example ..................................................................... 16
5-4. Number of connectable units ........................................................................ 20
5-5. Setting M-NET address for various devices ................................................. 21
6. Installation ..................................................................................23
6-1. Items not included ........................................................................................ 24
6-2. Items sold separately .................................................................................... 24
6-3. M-NET transmission cable length ................................................................. 25
6-4. Installation space .......................................................................................... 26
6-5. Installation procedures ................................................................................. 27
7. Wiring connections .....................................................................30
7-1. Removing/reinstalling the service cover ....................................................... 30
7-2. Connecting AC power cables and M-NET transmission cables.................... 32
7-3. Connecting the LAN cable ............................................................................ 34
7-4. Confirming the LAN transmission delay time ................................................ 34
8. Initial settings .............................................................................36
8-1. Logging in to the Web Browser for Initial Settings ........................................ 36
8-2. Initial settings on the Web browser ............................................................... 36
8-3. Quick IP address setting ............................................................................... 37
8-4. Network settings on the Web browser .......................................................... 38
9. Test run ......................................................................................39
9-1. Collective operation ON/OFF ....................................................................... 39
10. External input/output ..................................................................40
10-1. External signal input/output function ........................................................... 40
10-2. Pulse signal input function .......................................................................... 44
11. Maintenance ............................................................................... 45
11-1. Inspection and maintenance ....................................................................... 45
11-2. Back up/import settings data....................................................................... 46
11-3. Software update .......................................................................................... 48
11-4. Software information ................................................................................... 51
12. Error code list .............................................................................52
12-1. M-NET errors .............................................................................................. 52
12-2. Errors between AE-200 and AE-50 (EW-50) .............................................. 54

Mitsubishi Electric EW-50A Specifications

General

Category	Controller
Input Voltage	100-240 VAC
Type	PLC
Programming Language	Ladder Logic
Operating Temperature	0-55°C

Summary

1. Safety Precautions

1-1. General Precautions

General safety guidelines and warnings for handling the controller and its environment.

1-2. Precautions for Unit Installation

Specific safety warnings related to installing the controller unit.

1-3. Precautions for Electrical Wiring

Safety instructions for connecting electrical wiring to the controller.

1-4. Precautions for Relocating or Repairing

Safety advice for moving or repairing the controller unit.

5. System Configuration

5-1. System Restrictions

Details limitations and requirements for system setup based on unit count and function.

5-2. M-NET Power Feeding Coefficient

5-5. Setting M-NET Address for Various Devices

Guides on assigning unique M-NET addresses to different system devices.

6. Installation

6-5. Installation Procedures

Step-by-step instructions for physically mounting the controller unit.

7. Wiring Connections

7-2. Connecting AC Power Cables and M-NET Cables

Detailed steps for connecting power and M-NET communication cables.

8. Initial Settings

8-1. Logging in to the Web Browser

8-2. Initial Settings on the Web Browser

Details on configuring system parameters via the web interface.

8-3. Quick IP Address Setting

8-4. Network Settings on the Web Browser

9. Test Run

9-1. Collective Operation ON;OFF

11. Maintenance

11-1. Inspection and Maintenance

11-2. Back Up;Import Settings Data

11-3. Software Update

Steps to update the EW-50 system software via a web browser.

12. Error Code List

12-1. M-NET Errors

Lists and explains error codes related to M-NET communication and system faults.

12-2. Errors Between AE-200 and AE-50 (EW-50)