Mitsubishi Electric EW-50E 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-50E Specifications

General

Brand	Mitsubishi Electric
Model	EW-50E
Category	Air Conditioner
Language	English

Summary

Safety Precautions

General Precautions

General safety guidelines for handling the controller, avoiding hazards, and proper use.

Precautions for Unit Installation

Safety measures specific to installing the controller unit to prevent accidents.

Precautions for Electrical Wiring

Safety guidelines for electrical connections and wiring to prevent shocks and fires.

Precautions for Relocating or Repairing the Unit

Safety advice for moving or servicing the controller to prevent injury or damage.

Additional Precautions

Further safety recommendations and considerations for controller operation.

Introduction

Part Names

Identification and description of the EW-50 controller's physical components and ports.

Package Contents

Specifications

Product Specifications

Technical details including power supply, ambient conditions, dimensions, and weight.

External Dimensions

Visual representation and measurements of the EW-50 controller's physical size.

Product Features

Overview of available functions and settings accessible via the Web browser interface.

System Configuration

System Restrictions

Rules and limitations for setting up EW-50 within a system configuration.

M-NET Power Feeding Coefficient

Details on power feeding requirements based on M-NET equipment coefficients.

System Configuration Example

Diagrams illustrating typical system setups with EW-50 and connected devices.

Number of Connectable Units

Maximum units that can be connected in an AE-200/AE-50/EW-50 M-NET system.

Setting M-NET Address for Various Devices

Guidelines for assigning M-NET addresses to different devices in the system.

Installation

Items Not Included

List of necessary components not supplied with the EW-50 for installation.

Items Sold Separately

Optional accessories required for specific functions or installation methods.

M-NET Transmission Cable Length

Specifications for M-NET cable length to ensure proper signal transmission.

Installation Space

Required clearance and space for installing the EW-50 controller in a control box.

Installation Procedures

Step-by-step instructions for mounting the EW-50 using L-fittings or DIN rail.

Wiring Connections

Removing/Reinstalling the Service Cover

Instructions for removing and reattaching the EW-50's service cover.

Connecting AC Power Cables and M-NET Transmission Cables

Procedures for wiring power supply and M-NET transmission cables to the unit.

Connecting the LAN Cable

Instructions for establishing a LAN network connection to the EW-50.

Confirming the LAN Transmission Delay Time

Steps to verify LAN connection speed and latency for proper communication.

Initial Settings

Logging in to the Web Browser for Initial Settings

Accessing the controller's web interface for initial configuration.

Initial Settings on the Web Browser

Overview of essential initial settings configurable via the web interface.

Quick IP Address Setting

Method for rapidly setting the IP address using the rotary switch SW1.

Network Settings on the Web Browser

Configuring network parameters like IP, subnet mask, and gateway addresses.

Test Run

Collective Operation ON/OFF

Procedure for performing a collective test run of connected units to verify operation.

External Input/Output

External Signal Input/Output Function

How to use external contact signals for collective control and monitoring.

Pulse Signal Input Function

Utilizing pulse signals from metering devices for data acquisition.

Maintenance

Inspection and Maintenance

Recommendations for periodic inspection and component replacement cycles.

Back up/Import Settings Data

Procedures for backing up and restoring EW-50 configuration data.

Software Update

Steps to update the EW-50's firmware via a web browser.

Software Information

Accessing details about the open-source software used in the EW-50.

Error Code List

M-NET Errors

List and definitions of M-NET communication errors for the system.

Errors between AE-200 and AE-50 (EW-50)

Specific error codes related to communication between controllers.