Mitsubishi Electric Central Controller G-50A Manuale utente

Central Controller

Model: G-50A

Mitsubishi Electric Air-conditioner Network System

Instruction Book

Contents

1. Safety ……………………………………………

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Product feature

Function

User operation

Initial setting

Maintenance

External input / output

3-1

Specification

3-2

Display screen

4-1

Operation condition monitor

4-2

Operation setting

4-4

Malfunction

…………

4-5

Current time setting

5-2

M-NET address setting

5-3

Function setting

5-4

Group configuration setting

5-5

Interlocked operation setting

6-1

Refrigerant system monitor

6-2

Malfunction log monitor

7-2

External output function

Before using the controller, please read this Instruction Book carefully to ensure

correct operation. Store this Instruction Book in a location that is easy to find.

7-1

External input function

5-6

Group name setting

5-7

User setting

5-8

IP address setting

5-9

Initial setting tools connection function

4-3

Timer operation

4-2-1

Group operation setting

4-2-2

Collective operation setting

…………………

Appendix 2 :

User operation(adridged)

Appendix 1 : Initial setting(adridged)

5-1

Shifting to initial setting menu

G-50A

ON/OFF

CENTRAL CONTROLLER

-1-

1. SAFETY

Please take a moment to review these safety precautions. They are provided for your protection and to prevent

damage to the controller.

This safety information applies to all operators and service personnal.

After you have read this manual, always observe the procedures described in the explanations and store it with

the installation manual in a location that is easy to find. If the controller is going to be operated by another per-

son, make sure that this manual is given to them.

Symbols and Terms

Specific Precautions

WARNING

CAUTION

Statements identify condition or practices that could result in personal injury or loss of life.

Statements identify condition or practices that could result in damage to the controller or other property.

• Do not install the controller in a place where inflam-

mable gas could leak.

If gas leaks and collects around the controller, it may cause

a fire or explosion.

• Do not wash the controller with water.

It may cause an electric shock or malfunction.

• Do not touch the switch with wet hands.

It may cause an electric shock.

• Do not use the controller for special applications.

This product is designed for use with the MITSUBISHI

ELECTRIC BUILDING AIR CONDITIONING CONTROL

SYSTEM. Do not use the system for other air condition man-

agement operation or applications. It may cause malfunc-

tions.

• Do not apply insecticide or flammable sprays to the

controller.

Do not place flammable spray near the controller and make

sure it does not blow directly on the controller as this may

cause in fire.

• Do not use the controller in special environments.

The performance may be reduce or parts may be damaged

if the controller is used in locations subject to large quanti-

ties of oil (including machine oil), steam, sulfide gas.

• Do not touch the switches with sharp objects.

It may cause an electric shock or malfunction.

• Operate the controller within the specified temperature

range.

Observe the specified temperature range when operating

the controller. If the controller is used outside the specified

temperature range, it may cause serious damage. Be sure to

check the operation temperature range in the operation

manual.

WARNING

• Ask your dealer or technical representative to install.

If incorrect inatallation is done by a customer, it may cause

an electric shock, fire, etc.

• Make sure that the controller is connected to a rated

power supply.

If the controller is not connected to a rated power supply, it

may cause a fire or damage to the controller.

• Never remove the cover during operation.

Touching the charged parts of the controller may cause

severe burns or other personal injury.

• Stop the operation if any malfunction occurs.

If malfunction occurs (burning smell, etc.) stop the operation

and turn off the power supply. Contact your dealer or techni-

cal representative immediately. If the controller continues to

operate after a malfunction occurs, this may cause damage,

electric shock or fire.

• Do not remodel or repair by yourself.

If the controller is redesigned or repair is not correct, it may

cause an electric shock, fire, etc.

Consult your dealer if repair is necessary.

• Stop the operation immediately and notify the your deal-

er if an error code is displayed or malfunction occurs.

Fire or damage may be caused if the controller is operated

in this condition .

CAUTION

• Do not move and re-install the controller by yourself.

If installation is incorrect, it may cause an electric shock,

fire,etc. Ask your dealer or technical representative.

• Contact your dealer if the controller will not be used any

more or will be scrapped.

• Securely install in a place which can withstand the

weight of the controller.

If it is not enough, the controller may fall and cause an

injury.

-2-

2. Product Features

[ 1 ] User operating function

The central controller is capable of controlling up to 50 air conditioner units. It supports the following operating

1. Virtually almost functions operated by local remote controller are supported.

2. Local remote control operation can be prohibited for specific functions.

3. Collectively setting

1. The weekly schedule enables four different schedule patterns to be set weekly per group. (P1-P4)

1. ON/OFF/MALFUNCTION status can be monitored by group or by unit.

1. The unit address where the malfunction occurred, the error code and address of the unit that detected

2. Pressing the reset key stops all the units connected to the same group, refrigerant system or linked group to the

the malfunction are displayed on the malfunction monitor screen.

unit where the malfunction occurred, all of these are reset.

2. The groups managed by the central controller may be displayed all together by group number or group name

3. When displaying all groups at once, individual groups can be turned ON or OFF by designating them by the

indicator .

(first three characters). Collective display of all unit address is also supported.

2. The respective daily patterns enable the setting of three different ON times (three prohibition times) and three

3. Easy setting

The central controller can be used to control the indoor units in specific group ON or OFF, select the operating

ventilation unit), select the fan speed, select the air direction (4 direction and swing operation), select the ventil-

ation mode (OFF, LOW speed, or HIGH speed), select TIMER MODE and select the temperature setting.

In addition, room temperature can be displayed at the unit of each group upon request.

Access to specific control functions, such as ON/OFF operation, mode selection ,temperature setting and filter

sign reset operation can be prohibited for the local remote controls collectively or per group.

Operation setting can be performs collectively or per group.

Of these, three patterns are to set ON/OFF schedule and remaining one pattern is to set the pattern to prohibit op-

eration of the local remote controller.

different OFF times (three permission times).

In addition, it is possible to set ON time only (prohibition time only) and OFF time only (permission time only).

Daily operation patterns and weekly schedules for one group can easily be copied to the other groups.

4. Timer automatic recovery operation when recovering from a power down is supported.

Four patterns (daily patterns) mentioned above enable the setting of individual schedule times for every group.

(See 5-5 "User setting")

mode (COOL, DRY, FAN, AUTO and HEAT) for the indoor unit or HEAT RECOVERY, BY-PASS, AUTO for the

(1) Operation

(2) Weekly Schedule

(3) Operating status monitor

(4) Malfunction monitor

function.

-3-

The central controller is supplied power from the PAC-SC50KUA Power Supply Unit via the M-NET transmission line and

DC power line. The DC power between the PAC-SC50KUA Power Supply Unit and the central controller should be 10m

or less. The central controller allows to be connected to M-NET transmission line at any position. (M-NET transmission

line is the central control line which connects TB7 terminal of the outdoor unit)

[ 2 ] System configuration setup and maintenance function

[ 3 ] Other

1. Registration can be made for the indoor units, local remote controllers and slave system controllers in the same

2. Group name may be specified. ( Names may include alphanumeric characters.)

3. Group name may be copied.

4. Setting of group configuration and specifying the group name may be performed as long as power is being supplied

5. System configuration data setting in the central controller can be deleted at once if necessary when replacing cir-

to the central controller. This mean that setting can be performed before the central controller is installed at

the site, before installation of individual units is completed or while the power supply to some units is cut off.

cuits wired board, etc.

All unit address (indoor, outdoor, etc.) can be displayed for individual refrigerant system on the refrigerant system

monitor screen. This information is useful for checking the installation, such as address setting, transmission line

connection and power supply connection.

Setting can be performed for indoor units interlocked with a ventilation unit.

If even one of the indoor units interlocked with ventilation have started to operate, the ventilation will be activated.

1. A log of the last 64 malfunction massage, in the order in which they occurred, can be monitored.

2. The data and time the malfunction occurred, the address of unit where it occurred, the error code and the ad-

3. All malfunction logged in the memory of the central controller and indoor unit can be reset at once.

dress of unit that detected the malfunction are displayed.

Displays normal operation/all OFF/malfunction status for the entire system.

This switch allows turning all of the unit in the system ON or OFF at once.

The combined maximum distance between the outdoor units and the central controller, and between the outdoor units

and farthest indoor units connected to the same refrigerant system or their remote controller, may be extended up

500 meters.

Therefore, even if the total distance is made longer by installing the outdoor units all in row, there will be no problem

so long as the above maximum total distance limitation is not exceeded.

(Normal operation/all OFF/malfunction status is indicated by the lamp being lit, not lit or blinking respectively)

group.

And also registration can be made for the ventilation such as OA processing unit.

(1) Setup for system configuration

(2) Refrigerant system monitor

(3) Interlocked group setting

(4) Malfunction log monitor

(1) Overall statues display lamp

(2) Collective ON/OFF switch

(3) Power supply wiring

(4) M-NET transmission line

-4-

Cool (Dry) operation : 19 30 ˚C / 67 87 ˚F

Heat operation : 17 28 ˚C / 63 83 ˚F

Auto operation : 19 28 ˚C / 67 83 ˚F

DC24V,0.02A(Maximum loading)

Power received from PAC-SC50KUA Power Supply Unit via M-NET transmission line.

DC12V,0.2A(Maximum loading)

Power is received from the PAC-SC50KUA Power Supply Unit via the DC power line.

Indoor unit or independent OA processing unit or LOSSNAY

: 50 units maximum (50 groups maximum)

Number of units (indoor or independent OA processing unit or LOSSNAY) in one group

: 1-16 units

*Note

Indoor unit, independent OA processing unit and LOSSNAY can not

Number of remote controllers in one group

Number of system controllers in one group

Number of indoor units interlocked with one OA processing unit or LOSSNAY

: 1-2

: 0-4 (including the number of remote controller in one group)

: 0-3 for groups which have one remote controller.

: 0-16 (some types of OA processing unit can only be operated when inter-

locked to a maximum of 9 units)

3. Functions

3-1 Specifications

Item

Source power requirement

Environmental condition Temperature

Humidity

120(H) 300(W) 80[*19](D)

4-3/4(H) 11-13/16(W) 3-1/8[*3/4](D)

1.0

2-1/4

Dimensions

Weight

System condition

Number of control unit

User operating function

Operation Fan speed

Air direction

and swing

operation

Temperature

setting

ON/OFF

Operation

mode *1

The ON/OFF operation can be performed as a collective or per group.

The switch operation for the operation mode setting can be performed as a collective

or per group.

[ Selectable operation mode for the indoor unit ]

[ Selectable operation mode for the independent ventilation ]

Cool/Dry/Fan/Auto/Heat

Heat recovery/By-pass/Auto

The switch operation to set the High and Low speed can be performed as a collective

or per group.

( The 4 fan speed setting is available to the indoor that has 4 levels )

The air flow direction can be switched to 4 directions and swing operation as a collec-

tive or per group

Temperature setting can be performed collectively or per group.

[Setting temperature range]

Operating

Non operating

0 ˚C +40 ˚C / 32 ˚F +104 ˚F

-20 ˚C +60 ˚C / –4 ˚F +140 ˚F

30 90%RH (No condensation)

Input voltage

Specification

*[ ] : indicate the thickness from the

wall.

-5-

ective or per group.

[Ventilation operation]

Low speed/High speed/Ventilation OFF

The overall status lamp displays conditions of the collective statues.

Item

Operation

Monitor

Prohibit local

remote

control

Specification

The specific functions of a local remote controller can be prohibited as a collective or

per group.

[Prohibit function]

ON/OFF operation, Operation mode setting, Temperature setting and Filter sign

reset operation.

The set schedule operations can be switched to ON/OFF (local remote controller

operation prohibition/permission) for each group.

The filter sign reset operation after the air filters are cleaned can be performed as a

collective or per group.

The ventilation operation of the interlocked OA processing unit or LOSSNAY can be coll-

Timer operation

Filter sign

Ventilation

operation

Collective

operation

Each group operation is displayed on the operation setting screen (group) or operation

monitor screen.

Each group

operation

Operation

mode

Fan speed

Air direction

Temperature

setting

Timer

operation

Filter sign

Local remote

control Displayed on the operation setting screen (group).

prohibition

Ventilation

operation

Room

temperature

display

Central control

prohibition

External

input signal

condition

Malfunction

Current time

back-up

Timer setting

The unit address and error code are displayed on the malfunction monitor screen when

a malfunction occurs.

When the power is cut off, the current time is backed up for approximately one week.

(When the controller is fully charged. The controller is fully charged by twenty-four

hours after power feed.)

Operation pattern setting can be performed.

•Operation interval : Minimum 10 minutes

•The daily operation pattern and weekly schedule for each group can be set.

•"The reference temperature and set-back value" or "Setting temperature" which are

* ON/OFF setting up to three times a day are possible for P1/P2/P3.

*P4 enables to set operation prohibition of 3 times per day for the remote controller.

*P1 /P2 /P3 implement the schedule which has combined P1/P2/P3 of ON/OFF

* - is a day without timer operation.

linked with timer operation can be set.

pattern and P4 of remote controller operation prohibition pattern together.

(P1 = P1 + P4 /P2 = P2 + P4 /P3 = P3 + P4 is displayed.)

Other

reset

•A pattern of one day : P1/P2/P3/ P1 /P2 /P3 /P4 / -

-6-

G-50A

management range

Unit

Another system controller

management range of G-50A

Management range

M-NET Gateway

management range

Unit

ent OA processing unit, LOSSNAY and slave system controllers) are performed on

the group setting screen.

The interlocked setting for the ventilation equipment as the OA processing unit or

LOSSNAY , etc to indoor unit is performed on the interlocked setting screen.

A maximum of the 64 most recent malfunction are displayed on the malfunction log

monitor.

The connected unit address are displayed on the refrigerant monitor screen.

Some of the indication and function that appear on the each screen can be specified to

Master/Slave setting of the system controller.

match the needs of the user.

The setting of a system controller which the local remote control is prohibition enable or

disable.

Selecting of the prohibited controller which is only local remote controller or both

local remote controller and the other system controller.

The system composed of K-control type air conditioner equipment can be controlled

using the K transmission converter (PAC-SC25KAA)

Item

Group name

designation

External

signal input

interface

External

signal output

interface

Other

Initial setting (for installation and maintenance)

Interlocked

setting

Malfunction

history

Refrigerant

system monitor

User setting

Master system

controller/

Slave system

controller

setting

Prohibition

setting enable

/disable

The prohibited

controller

range setting

K-control

type

Group setting

Connecting

information

setting

Monitor

Other

*1 Each operation is available in accordance with the function of unit.

*2 Master system controller and slave system controller.

When G-50A controls another system controller or when

the system contains only G-50A :

G-50A is set as the master system controller.

* G-50A performs the group setting in this configuration.

When G-50A is controlled by another system controller :

(Example: MJ-300Gateway)

G-50A is set as the slave system controller.

* The group setting is performed by Master system

* G-50A does not

support slaves.

* G-50A does not support slaves.

controller.

Specification

Group name can be specified and display on the operation setting screen.

* Group name setting is need at the initial setting.

Emergency stop/normal, ON/OFF, prohibit/permit for local remote operation can be

controlled for units being controlled with a non-voltage contact signal input from an

external source.

When one or more units being controlled are operating, the "ON" signal will be out-

put, and if a malfunction occurs in one or more units, the "malfunction" signal will

be output.

The group setting operation for units (indoor units local remote controllers, independ-

*3 OA processing unit (LOSSNAY) and the K transmission converter (PAC-SC25KAA) are not included in systems

shipped to North America (USA & Canada).

-7-

Master system

Group Group Group

controller Slave system

controller

Group Group Group

Master system

controller 1 Master system

controller 2

Group

Master system

controller 1 Master system

controller 2

Slave system

controller

NOTE :

The following group setting cannot be performed.

•Unit groups which are not under the management of the master controller and are managed by the slave

system controller.

•A common group is managed by more than two master controllers.

•A slave system controller which exceeds the management range of the master system controller of two or

more.

-8-

Display

P 4

Continuously press

04-2002 MON

and

(2 seconds or longer)

G-50A

001

PROHI

BITED

3 - 2 Display Screen The lamp indicates the unit op-

eration condition.

ON During operation

OFF All group are stopping

BLINKING Malfunction

Overall status lamp

……

ENTER

NOTE: The temperature setting includes

a function to switch the display

between Celsius (

C) or

Fahrenheit (

F) (page 34).

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