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G-50A
management range

Another system controller
management range

Unit

Unit

Unit

Unit

M-NET Gateway
management range

Management range of
G-50A

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 thls configuration.

When G-50A is controlled by another system controller:
G-50A is set as the slave system controller.
* The group setting is performed by Master system controller.

3. IP address setting method

When connecting an LAN to this unit, set the IP ADDRESS and MASK ADDRESS.
  

1

 On the startup screen, press the 

3

 switch to select “3 IP ADDRESS SETTING”.

  

2

 When the 

 (

) or 

 (

) switch is pressed, the cursor moves to right or left.

  

3

 Set both addresses using the 

1

 ~ 

8

 switches.

  

4

 When the 

BACK

SCREEN

      ←

 switch is pressed, the screen is returned.

4. Group setting

* Set the group configuration with indoor units, local remote controllers (only when M-NET type used) and slave system controller to be

controlled by this unit.

* Select “4 (or 1) Group Setting” on the menu screen in the initial setting mode, and set the group configuration.
* Refer to the attached instruction book section 5 Initial Setting for the initial setting method.

5. Others

* Since the screen switches from the startup screen to the initial setting menu screen after group setting, choose the menu and perform

setting and monitoring, as required.
• Interlocked setting (Sets interlocking between ventilator and indoor unit.)
• refrigerant monitor (Outdoor unit and indoor unit refrigeration connection can be monitored.)
• malfunction monitor (Past abnormality history can be monitored.)
• user setting (Real-time display information selection and setting)
Refer to the attached instruction book sections 5-5 Interlocked operation setting to 6-2 Malfunction log monitor function for a detailed
description of the functions and settings.

When all the initial settings are complete, initiate startup communication by holding down the 

 and 

 switches on the initial setting

menu screen simultaneously for at least 2 seconds. After a while, the display shifts to the user operation menu screen.
Refer to the attached instruction book section 5.Initial setting for further information.

* G-50A does not

support slaves.

Function

No.1
No.2
No.3

No.4

No.5

No.6,7

No.8

State

Fixed to OFF
Fixed to OFF
OFF

ON

OFF

ON

OFF

ON

OFF/ON

OFF
ON

Name

K transmission converter
not provided
K transmission converter
provided

Operation prohibit valid

Operation prohibit invalid

Emergency stop broadcast
enabled.
Emergency stop broadcast
disabled.
External input changeover

The range of a controller
which the operation is
prohibited.

Details

Not used. Always set this to “OFF”
Not used. Always set this to “OFF”
The packaged air conditioner to be used is only an M-NET model.

K control model is included in the packaged air conditioner being used.(In
this case, set the controller address “000”.) Set the K transmission con-
verter address at this screen.
Prepare the K transmission converter (PAC-SC25KAA) separately.
Set this when using as a system controller for which local remote operation
prohibit can be set.
A system controller set to this can be used only for external input.
Note that only one unit can be used in the system.
Set this when using as a system controller for which local remote operation
prohibit cannot be used.
Set only one unit in the system to the operation prohibit transmission valid
setting, and set all other units to the invalid setting.

Please be sure to make it “OFF” setting.

This changes the input when using CN3 (external input I/F).
(Refer to section  9  External input/output usage method   for details.)
Both of the system controller and the local remote controller.
Only the local remote controller.

<Meanings of function selects>

Summary of Contents for G-50A

Page 1: ...ed without fail 1 2 Confirmation of parts 2 3 Outline dimensions 2 4 System diagram 3 5 Installation method 4 1 Part prepared at site 4 2 Installation method 4 6 Initial setting 5 1 Address setting method 5 2 Function selection method 5 3 IP address setting method 6 4 Group setting 6 5 Others 6 7 Test run 7 8 Example for system configuration 7 1 To control a K control model 7 9 External input outp...

Page 2: ......

Page 3: ...function Do not touch the switches with wet hands It may cause an electric shock or malfunction Do not press the switches with sharp objects It may cause an electric shock or malfunction Do not connect an AC power source to the M NET and Power DC12V terminal blocks of this device It may cause a breakdown or fire Ask your dealer or technical representative to install If incorrect installation is do...

Page 4: ...n plate fixing 3 7 Instruction book 1 If the screw enclosed for installation plate fixing cannot be used because the wall is thick prepare an M4 countersunk screw with a length matching the wall thickness Besides the above parts purchase a power supply unit PAC SC50KUA that supplies power DC12V to the central controller and to the M NET transmission line 3 Outline dimensions Installation plate 12 ...

Page 5: ...ant system No 1 unit However for Sub BC controller minimum indoor unit address that connects the lo cal refrigerant piping 50 Same address as indoor unit master unit Set to the minimum indoor unit master address in the same group 100 Address setting is unnecessary After setting all the indoor units set an arbitrary address Min address of K control indoor unit No 200 unit Address 1 50 51 100 52 100...

Page 6: ...y Connect the DC power line from the power supply unit PAC SC50KUA to the DC power supply terminal block of this device There is a 12VDC and a GND polarity Type of wire Use the cables which comply with the following specifications or equivalent M NET transmission line CVVS 1 25mm2 PVC insulated PVCsheathed shield control cable CPEVS ø1 2mm PE insulated PVC sheathed shield communication cable DC po...

Page 7: ...et to ON set the K transmission converter address Move the address and Function setting using the and keys Operation example 1 When the 3 switch was pressed 3 When the BACK SCREEN switch is pressed the screen is returned Function Selection Display OFF Not used Fixed to off OFF Not used Fixed to off OFF K transmission converter not provided ON K trahsmission converter provided OFF Operation prohibi...

Page 8: ...ng to 6 2 Malfunction log monitor function for a detailed description of the functions and settings When all the initial settings are complete initiate startup communication by holding down the and switches on the initial setting menu screen simultaneously for at least 2 seconds After a while the display shifts to the user operation menu screen Refer to the attached instruction book section 5 Init...

Page 9: ...door unit for details on the test run method 20 indoor units for control Group 21 to Group 38 K transmission converter Model PAC SC25KAA 9 External input output usage method 1 External signal input function External signal input requires the external I O adapter Model PAC YG10HA E sold separately 1 External input Emergency stop normal run stop and prohibit enable of local remote controller operati...

Page 10: ... prepared separately at the site 2 The connection cable can be extended up to 10m Use a 0 3mm2 or larger wire 3 Strip the extra cable near the connector and securely insulate the exposed section with tape etc 2 External signal output function External signal output requires the external I o adapter Model PAC YG10HA E sold separately 1 External output When one or more air conditioners are running t...

Page 11: ...tch are accessed For detailed information refer to sections 3 2 and 5 9 of the Instruction Book 4 RS232C connection function When using an RS232C port connect the cable to the RS232C connector of this device The RS232C cable is procured at the site and the connector of the cable that connects to this device is a D Sub9pin female RS 232C cable is maximum 15m When using an RS 232C cable to suppress ...

Page 12: ...OUCHI CHIYODA KU TOKYO 100 8310 JAPAN This product is designed and intended for use in the residential commercial and light industrial environment The product at hand is based on the following EU regulations Low Voltage Directive 73 23 EEC Electromagnetic Compatibility Directive 89 336 EEC ...

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