Mitsubishi Electric EW-50A Kurzanleitung

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

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1. Safety precautions

►Thoroughly read the following safety precautions prior to installation.

►Observe these precautions carefully to ensure safety.

►After reading this manual, pass the manual on to the end user to retain for future

reference.

►The user should keep this manual for future reference and refer to it as necessary. This

manual should be made available to those who repair or relocate the units. Make sure

that the manual is passed on to any future air conditioning system user.

►All electrical work must be performed by qualified personnel.

: indicates a hazardous situation which, if not avoided, could result in

death or serious injury.

: indicates a hazardous situation which, if not avoided, could result in

minor or moderate injury.

: addresses practices not related to personal injury, such as product

and/or property damage.

1-1. General precautions

Do not install the controller in areas where large amounts of oil, steam, organic solvents,

or corrosive gases (such as ammonia, sulfuric compounds, or acids), or areas where

acidic/alkaline solutions or special chemical sprays are used frequently. These substances

may significantly reduce the performance and corrode the internal parts, resulting in

electric shock, malfunction, smoke, or fire.

To reduce the risk of injury, electric shock, or fire, do not alter or modify the controller.

To reduce the risk of electric shock, malfunction, smoke, or fire, do not touch the electrical

parts or USB memory with wet fingers.

To reduce the risk of injury or electric shock, before spraying a chemical around the

controller, stop the operation and cover the controller.

To reduce the risk of burns, do not touch the electrical parts with bare hands during and

immediately after operation.

To reduce the risk of injury, keep children away while installing, inspecting, or repairing the

controller.

Test runs, inspection, and service must be performed by qualified personnel in accordance

with this manual. Incorrect use may result in injury, electric shock, malfunction, or fire.

If you notice any abnormality, stop the operation and turn off the controller. Continuing the

operation may result in electric shock, malfunction, or fire.

Properly install all required covers to keep moisture and dust out of the controller. Dust

accumulation and the presence of water may result in electric shock, smoke, or fire.

To reduce the risk of frostbite, burns, injury, or electric shock, keep the equipment out of

the reach of children.

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To reduce the risk of fire or explosion, do not place flammable materials or use flammable

sprays around the controller.

To reduce the risk of electric shock or malfunction, do not touch the switches or buttons

with a sharp object.

To reduce the risk of injury, electric shock, or malfunction, avoid contact with the sharp

edges of certain parts.

To reduce the risk of injury, wear protective gear when working on the controller.

Wear protective gear when working on the controller. High-voltage parts pose a risk of

electric shock, and high-temperature parts pose a risk of burns.

1-2. Precautions for unit installation

Do not install the controller where there is a risk of flammable gas leaks. If flammable gas

accumulates around the controller, it may ignite and cause a fire or explosion.

Properly dispose of the packing materials. Plastic bags pose a suffocation hazard to

children.

Take appropriate safety measures against earthquakes to prevent the controller from

causing injury.

To prevent injury, install the controller on a flat surface strong enough to support its

weight.

To reduce the risk of short circuits, current leakage, electric shock, malfunction, smoke, or

fire, do not install the controller in a place exposed to water or in a condensing

environment.

The controller must be installed by qualified personnel according to the instructions

detailed in this manual. Improper installation may result in electric shock or fire.

1-3. Precautions for electrical wiring

To reduce the risk of malfunction, smoke, fire, or damage to the controller, do not connect

the power cable to the signal terminal block.

To reduce the risk of malfunction, smoke, fire, or damage to the controller, do not apply a

power supply voltage in excess of that specified.

Properly secure the cables in place and provide adequate slack in the cables so as not to

stress the terminals. Improperly connected cables may break, overheat, and cause smoke

or fire.

To reduce the risk of injury or electric shock, switch off the main power before performing

electrical work.

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Electrical work must be performed by qualified personnel in accordance with local

regulations and the instructions provided in this manual. Only use specified cables and

dedicated circuits. Inadequate power source capacity or improper electrical work will

result in electric shock, malfunction, or fire.

To reduce the risk of electric shock, install an overcurrent breaker and an earth leakage

breaker on the power supply. To reduce the risk of electric shock, smoke, or fire, install an

overcurrent breaker for each controller.

Only use properly rated breakers (earth leakage breaker, local switch <switch + fuse that

meets local electrical codes>, moulded case circuit breaker, or overcurrent breaker). The

use of improperly rated breakers or the substitution of fuses with steel or copper wire may

result in electric shock, malfunction, smoke, or fire.

To reduce the risk of current leakage, overheating, smoke, or fire, use properly rated

cables with adequate current carrying capacity.

Proper grounding must be provided by qualified personnel. Do not connect the protective

ground wire to a gas pipe, water pipe, lightning rod, or telephone wire. Improper grounding

may result in electric shock, smoke, fire, or malfunction due to electrical noise

interference.

To reduce the risk of short circuits, electric shock, or malfunction, keep wire pieces and

sheath shavings out of the terminal block.

To reduce the risk of short circuits, current leakage, electric shock, or malfunction, keep

the cables out of contact with controller edges.

To reduce the risk of electric shock, malfunction, or fire, seal the gap between the cable

and the end of the conduit tube with putty.

To reduce the risk of injury, do not touch the burrs of the knockout holes.

1-4. Precautions for relocating or repairing the unit

The controller must be repaired or moved only by qualified personnel. Do not disassemble

or modify the controller. Improper installation or repair may result in injury, electric shock,

or fire.

To reduce the risk of short circuits, electric shock, malfunction, or fire, do not touch the

circuit board with tools or with your hands, and do not allow dust to accumulate on the

circuit board.

1-5. Additional precautions

To avoid damage to the controller, use appropriate tools to install, inspect, or repair the

controller.

To prevent unauthorized access, always use a security device such as a VPN router when

connecting to the Internet.

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Take appropriate measures against electrical noise interference when installing the

controller in hospitals or radio communication facilities. Inverter, high-frequency medical,

or wireless communication equipment as well as power generators may cause the air

conditioning system to malfunction. The air conditioning system may also adversely affect

the operation of these types of equipment by creating electrical noise.

To avoid malfunction, do not bundle power cables and signal cables together or place

them in the same metallic conduit.

To avoid damage to the controller, do not overtighten the screws.

To avoid deformation and malfunction, do not install the controller in direct sunlight or

where the ambient temperature may exceed 55°C (131°F) or drop below -10°C (14°F).

This appliance is not intended for use by persons (including children) with reduced

physical, sensory or mental capabilities, or lack of experience and knowledge, unless they

have been given supervision or instruction concerning use of the appliance by a person

responsible for their safety. Children should be supervised to ensure that they do not play

with the appliance.

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2. Introduction

EW-50A/EW-50E is a total management system.

Any connected air conditioning systems can be operated or monitored on the Web browser. EW-50A/EW-50E can

also be used as an expansion controller of AE-200A/AE-200E.

By connecting AE-200A/AE-200E, up to 200 indoor units and other equipment can be controlled.

Hereafter, AE-200A and AE-200E, unless otherwise specified, will be called “AE-200.”

Hereafter, AE-50A and AE-50E, unless otherwise specified, will be called “AE-50.”

Hereafter, EW-50A and EW-50E, unless otherwise specified, will be called “EW-50.”

Note: A PC is required to monitor and operate the air conditioning units.

Note: The required licenses vary, depending on the functions to be used. Consult your dealer.

Note: For how to use the Web browser, refer to the Web browser instruction books (separate volume).

2-1. Part names

Item Description

LED

Power Lit in green Power ON

Unlit Power OFF

ON/OFF

Lit in green One or more air conditioning units are ON. *1

Blink in green One or more air conditioning units or other related equipment

are in error.

Unlit All air conditioning units are OFF. *1

Status

Blink in orange Startup error

Blink in blue Software update in progress

Blink in pink Software update failed

LINK/ACT1 Blink in orange Data transmission in progress (LAN1)

LINK/ACT2 – Unused

Push switch

ON/OFF Used to turn the connected air conditioning units and the other

related equipment ON and OFF all at once.

Reset Used to reboot the EW-50. (This will not affect the operation

status of the air conditioning units.)

USB port Unused

*1 The operation status of the other equipment are excluded.

USB port

(unused)

Power

LINK/ACT1

ON/OFF

LINK/ACT2

Status

Push switch ON/OFF

Service cover

Push switch Reset

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Item Description

SW1 IP addresses can be easily set with SW1. Refer to section 8-3 “Quick IP

address setting” for details.

LAN1 Connects to other units of equipment over the LAN via a HUB.

LAN2 Unused

CN7 (Pulse Input) *1 Connects to metering devices using the supplied connector.

CN6 Unused

CN4 Unused

CN5 (External I/O) *1

Connects to an external input/output adapter PAC-YG10HA-E.

(When connecting an external input/output adapter PAC-YG10HA-E, cut out

the knockout hole.)

CN21 (M-NET power jumper)

Connects to the M-NET power jumper to supply power (default).

* If another system controller is connected to the same M-NET system and the power

consumption coefficient is 1.5 or above, disconnect the M-NET power jumper to supply

power from the separately-sold power supply unit. (Refer to section 5-2 “M-NET power

feeding coefficient” for details.)

TB3 (M-NET A, B, S) (M3.5)

M-NET transmission terminal block

Connects to M-NET transmission cables from the outdoor unit.

(A, B: Non-polarized, S: Shield)

TB1 (Power source AC L/L1, N/L2) (M3.5) Connects to the power cable.

Ground (M4) Connects to the protective ground wire.

*1 Refer to chapter 10 “External input/output” for details.

* Back side with the service cover removed

LAN1

LAN2

(Unused)

CN7

CN6

(Unused)

CN4

(Unused)

CN5

TB3

Ground

CN21

TB1

SW1

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3. Package contents

The following items are included in the package.

Package contents Qty.

(1) EW-50 1

(2) Connector (CN6)

(Unused) 1

(3) Connector (CN7)

(Used for pulse input) 1

(4) L-fitting 2

(5) DIN rail attachment

(for attaching DIN rail of 35 mm (1-7/16 in) width) 2

(6) DIN rail auxiliary bracket 1

(7) Roundhead screw (M3 × 12) *1

(for fixing DIN rail attachment) 4

(8) Roundhead screw (M3 × 6) *1

(for fixing DIN rail auxiliary bracket or L-fitting) 4

(9) Cable tie 4

(Two are spare.)

(10) Installation and Instructions Manual (this manual) *2 1

(11)

CD-ROM *2

Installation and Instructions Manual (this manual)

Instruction Book (Web Browser for Initial Settings)

Instruction Book (Web Browser for System Maintenance Engineer)

Instruction Book (Web Browser for User)

Note

●The CD-ROM can only be played on a CD-drive or a DVD-drive. Do not attempt to play the

CD-ROM on an audio CD player as this may damage your ears and/or speakers.

●Each document is in PDF format. Viewing documents requires a computer with Adobe®

Reader®or Adobe®Acrobat®installed. “Adobe®Reader®” and “Adobe®Acrobat®” are

registered trademarks of Adobe Systems Incorporated.

*1 ISO metric screw thread

*2 For details about the apportioned electricity billing function, refer to the Instruction Book that comes with the “Charge” license.

Notes on the SD card installed on the EW-50

●Do not use the SD card installed on the EW-50 for any other equipment.

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4. Specifications

4-1. Product specifications

Item Specifications

Power supply 100–240 VAC ± 10%; 50/60 Hz Single-phase

M-NET power feeding coefficient 1.5

Ambient

conditions

Temperature

Operating temperature

range -10°C – +55°C (+14°F – +131°F)

Storage temperature

range -20°C – +60°C (-4°F – +140°F)

Humidity 30%–90% RH (Non-condensing)

Dimensions (W × H × D)

172 × 209 × 92 mm

(6-13/16 × 8-4/16 × 3-10/16 in)

* 253 × 172 × 92 mm (10 × 6-13/16 × 3-10/16 in) when using L-fittings

Weight 1.7 kg (4 lbs)

Installation conditions Only in a metal control box indoors

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4-2. External dimensions

(1) When using L-fittings

(2) When using DIN rail

Unit: mm (in)

100 (3-15/16)

169 (6-11/16)

172 (6-13/16)

209 (8-4/16)

240 (9-8/16)

252 (9-15/16)

92 (3-10/16)

(1-8/16)

L-fitting

(supplied)

L-fitting

(supplied)

DIN rail attachment

(supplied)

46 (1-13/16) DIN rail auxiliary

bracket

(supplied)

DIN rail

23 (15/16)

150 (5-15/16)

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