Mitsubishi Electric MCC-50A Guide rapide

Air Conditioning Control System

Cloud system connection device

MCC-50A

Before installing the device, 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 to the cloud system via a wired network ..........21

7. Initial settings ........................................................... 22

7-1. Registration to the cloud system .........................................22

7-2. Network settings..................................................................23

7-3. Cloud system connection check..........................................28

7-4. Registration of the M-NET address and air conditioning

units.....................................................................................28

8. Test run .................................................................... 29

9. Connection to external devices ................................ 30

9-1. External signal input/output function ...................................30

10.Maintenance............................................................. 32

10-1. Inspection and maintenance .............................................32

10-2. Software update ................................................................33

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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 device 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 device.

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

parts with wet fingers.

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

device, stop the operation and cover the device.

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

device.

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 device. Continuing the

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

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

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

fire, do not wash the device with water or any other liquid.

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

sprays around the device.

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 device.

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

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

Consult the cloud system service provider for the proper disposal of the device.

1-2. Precautions for unit installation

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

accumulates around the device, 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 device from causing

injury.

To prevent injury, install the device on a flat surface strong enough to support its weight.

Use the supplied or specified parts for installation.

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

fire, do not install the device in a place exposed to water or in a condensing environment.

The device 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 device, do not connect the

power cable to the signal terminal block.

To reduce the risk of malfunction, smoke, fire, or damage to the device, 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 device.

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

modify the device. 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 device, use appropriate tools to install, inspect, or repair the

device.

Appropriately set the broadband router, firewall, or other network settings so that the MCC-

50 is not accessed from an external network.

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Take appropriate measures against electrical noise interference when installing the device

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 device, do not overtighten the screws.

To avoid deformation and malfunction, do not install the device 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

The MCC-50A controls the air conditioning systems from the special cloud system on the Internet. The MCC-50A

accesses the special cloud system via a wired network. To use the MCC-50A, a terminal device such as a computer,

tablet, or smartphone with connection to the Internet is required.

Hereafter, MCC-50A, unless otherwise specified, will be called “MCC-50.”

Note: Refer to the Kenza Cloud Operation Manual for detailed information on the initial settings, other settings, and

operations. See below for how to access the manual.

(1) Go to “www.mylinkdrive.com”.

(2) Select the required product market.

(3) Search “Kenza” in the search bar.

(4) Select the Kenza Cloud Operation Manual.

Note: This device is not suitable for use in locations where children are likely to be present.

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 conditioners, air-cooled chilling unit and other

related devices are in error.

Unlit All air conditioning units are OFF. *1

STATUS

Blink in white Connecting to the cloud system

Lit in green Being connected to the cloud system

Unlit Being not connected to the cloud system

Blink in orange Startup error

Blink in blue Software update in progress

Blink in pink Software update failed

LINK/ACT Blink in orange Communicating with a device connected via a LAN cable.

Push switch

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

all at once.

RESET Used to reboot the MCC-50. (This will not affect the operation

status of the air conditioning units.)

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

Top cover

POWER (LED) LINK/ACT

(LED)

· COLLECTIVE ON/OFF

· RESET

STATUS

(LED)

Push switch

Service cover

ON/OFF (LED)

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Item Description

SW1 Sets the network settings.

Refer to section 7-2 “Network settings”.

LAN Connects to the cloud system via LAN.

CN6 Do not use.

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.

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 9 “Connection to external devices” for details.

* Under the service cover

LAN

CN6

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) MCC-50 1

(2) Connector (CN6) *1 1

(3) L-fitting 2

(4) DIN rail attachment

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

(5) DIN rail auxiliary bracket 1

(6) Roundhead screw (M3 × 12) *2

(for fixing DIN rail attachment) 4

(7) Roundhead screw (M3 × 6) *2

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

(8) Cable tie 4

(Two are spare.)

(9) Grommet 2

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

*1 Do not use.

*2 ISO metric screw thread

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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

Network interface 100BASE-TX

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 × 100 mm

(6-13/16 × 8-4/16 × 3-15/16 in)

* 172 × 253 × 100 mm (6-13/16 × 10 × 3-15/16 in) when using

L-fittings

Weight 1.7 kg (3-3/4 lbs)

Installation conditions Only inside the metal control box

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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)

241 (9-8/16)

253 (10)

100 (3-15/16)

(1-9/16)

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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