Mitsubishi Electric GB-24A Installation Manual Download | Manualshive

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(1) Power supply of 24-32V DC from power supply unit PAC-SC50(51)KUA.

Power supply unit PAC-SC50(51)KUA is recommended for GB-24A. See the diagram below;
for details, please refer to the Installation Manuals of PAC-SC50(51)KUA.

9

System Wiring Example

Power supply

* GB-24A requires 24-32V DC power supply (M-NET) for centralized control transmission use, operation,

and LAN function use.

LAN

Centralized controller

GB-24A

Outdoor unit

Power
Supply
Unit

Indoor unit

Indoor unit

ME remote
controller

ME remote
controller

ME remote
controller

Indoor unit

Outdoor unit

LOSSNAY

LOSSNAY M-NET
remote controller

PAC-SC50KUA

or

PAC-SC51KUA

Mr. Slim
Outdoor unit

Indoor unit

MA: MA remote controller

M-NET
adapter

Fig. 9-1 Basic system with GB-24A and PAC-SC50(51)KUA.

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Summary of Contents for GB-24A

Page 1: ... Installation 8 1 Field supplied parts 8 2 Maximum length of M NET transmission lines 8 3 Installation 9 6 Wiring 12 1 Ground cable 12 2 Cover removal and installation 12 3 M NET transmission line 13 4 LAN connection 13 7 Initial Setting 14 1 Setting the IP address with dip switches 15 2 Setting the service switch 15 8 Test Run 16 1 Collective operation ON OFF 16 2 Service LED display 16 9 System ...

Page 2: ...hen repairs are necessary Securely install the controller according to the installation manual Improper installation may result in electric shock or fire Electric work must be perform by authorized personnel according to the local regulations and the instructions detailed in the installation manual Inadequate circuit capacity or improper installation may result in electric shock or fire Ask your d...

Page 3: ... the PCB Printed Circuit Board with your hand or a tool Also do not get dust on the PCB It may cause a fire or malfunction To reduce the risk of electric shock install and wire the unit with the power to power supply unit turned off Do not install this controller where an acid alkaline solution special chemical spray is used frequently to avoid electric shock or malfunction Do not press the switch...

Page 4: ...e GB 24A unit is connected Up to two other system controllers can be connected to the transmission line for central control Up to two ON OFF remote controllers up to four system remote controllers up to four schedule timers or up to four group remote controllers can be connected PAC SC50KUA 1 unit 1 x When only one GB 24A unit is connected Up to three other system controllers can be connected to t...

Page 5: ... Storage range 4 to 140ºF 20 to 60ºC Humidity 30 90 RH No condensation Dimensions 51 8 H x 97 8 W x 11 2 D in 130 H x 250 W x 38 D mm Weight 21 2lb 1 1kg Installation Environment In the metal control panel box indoor Install this product indoors This unit is installed and used in a business office homes or equivalent environment 3 Product Features 11 2 38 97 8 250 POWER LAN LINK ACT 51 8 130 1 2 3...

Page 6: ...nit An M NET adapter sold separately is required 1 24 M NET remote controller Set to the minimum indoor unit master address in the same group 100 101 124 MA remote controller Address setting is unnecessary OA processing unit LOSSNAY After setting all the indoor units set an arbitrary address 1 24 4 System Diagram NOTE This diagram does not show the AC power supply wiring Only the configuration for...

Page 7: ...n This diagram does not show the AC power supply wiring Only the configuration for the transmission line is shown To PC Centralized controller Model GB 24A LAN M NET outdoor unit M NET Group 1 Group 2 Indoor unit Local remote controller M NET transmission line MA remote controller line The numbers in the indicate the address No Group 3 LOSSNAY M NET outdoor unit BC controller R2 Mr Slim Outdoor un...

Page 8: ...m controller in a system it will become the main system controller Group setting or interlock setting can be made only with the main system controller x Sub system controller sub SC The sub system controller that controls a local area is controlled overall by the main system controller Control area of main SC Control area of sub SC Group Group Group This system controller is designed as a main con...

Page 9: ...olor green yellow Round terminal M4 screw size terminal used for protective ground cable Transmission cable Type of the cable Shielded cable which comply with the following specifications or equivalent x CPEV 1 2mm to 1 6mm x CVVS 1 25mm2 to 2 mm2 AWG 16 to 14 CPEV PE insulated PVC jacketed shielded communication cable CVVS PVC insulated PVC jacketed shielded control cable PE Polyethylene PVC Poly...

Page 10: ...panel box steel thickness 3 64 in 1mm or more When installing follow the metal control panel box clearance space specifications as shown in the Fig 5 2 Install in an area capable of withstanding a 2 1 2 lb 1 1 kg load Fig 5 2 Unit in mm NOTE If the remote controller cables 4 8 do not exceed 32 ft 10m the length for 4 8 do not have to be factored into the total length NOTE Centralized controller GB...

Page 11: ...y Fig 5 4 Unit in mm Method3 Installation using DIN rail GB 24A can be attached to DIN rail 1 38inch 35mm Attach DIN rail attachment to GB 24A using the supplied screws Fig 5 5 then install GB 24A Fig 5 6 Install the GB 24A in a metal control panel box steel thickness 3 64 in 1mm or more When installing follow the metal control panel box clearance space specifications as shown in the Fig 5 6 Insta...

Page 12: ...arrow shown in the figure below CAUTION x DIN rail attachment must be attached at four points on the unit using two M3 roundhead screws x To secure screw pitch of 7 88inch 200mm or less is required when DIN rail is attached on the metal control board x Use GB 24A in a place where it is not subjected no vibrations Use studs as necessary to attach GB 24A 13 16 20 13 16 20 2 50 13 16 20 Top view DIN ...

Page 13: ...remove it When installing the cover install it by tightening the two screws WARNING x All electric work must follow local regulations Improper electrical work may result in electric shock or fire x Shut off the power source of the unit and all other units to be connected to the power supply unit before wiring CAUTION x Do not connect the AC power line to the M NET terminal blocks of this device ot...

Page 14: ...he transmission manual of the outdoor unit Not doing so may cause unit failure or fire 1 CITY MULTI R410A outdoor units except PUMY model only x Securely connect the wiring using the specified cables and attach them so that the stress from the cables is not applied to the terminal connection sections If the cables aren t securely attached it may cause heat generation a fire etc NOTE x Perform the ...

Page 15: ...he Initial Setting Web as well as the default setting user name and password are shown below http IP address of the GB 24A g 50 administrator html Note For example type http 192 168 1 1 g 50 administrator html if the GB 24A IP address is 192 168 1 1 Items GB 24A Initial Setting Web Remarks M NET address setting The default value is 0 IP address setting simple setting The settings of the simple set...

Page 16: ...set with Initial Setting Web Default IP address setting is 192 168 1 1 Factory setting OFF OFF OFF ON Starts from 192 168 1 1 OFF OFF ON OFF Starts from 192 168 1 2 OFF OFF ON ON Starts from 192 168 1 3 OFF ON OFF OFF Starts from 192 168 1 4 OFF ON OFF ON Starts from 192 168 1 5 OFF ON ON OFF Starts from 192 168 1 6 OFF ON ON ON Starts from 192 168 1 7 ON OFF OFF OFF Starts from 192 168 1 8 ON OFF...

Page 17: ...isplays the operation status of the unit as follows Note x Use the local remote controller to change the mode to the Test run mode x An operation mode other than Test run can be selected on the Web browser x The format in which the Web page address for each GB 24A is expressed on the Web browser as well as the default setting user name and password are shown below For further details refer to the ...

Page 18: ...ires 24 32V DC power supply M NET for centralized control transmission use operation and LAN function use LAN Centralized controller GB 24A Outdoor unit Power Supply Unit Indoor unit Indoor unit ME remote controller ME remote controller ME remote controller Indoor unit Outdoor unit LOSSNAY LOSSNAY M NET remote controller PAC SC50KUA or PAC SC51KUA Mr Slim Outdoor unit Indoor unit MA MA remote cont...

Page 19: ...oor unit connector TB3 However if the outdoor unit shuts down GB 24A will also automatically shut down Therefore this system is not recommended for air conditioning system with multiple outdoor units TB7 TB3 TB7 TB3 CN41 CN40 CN41 Centralized controller GB 24A Outdoor unit Indoor unit ME remote controller Indoor unit Centralized control transmission line Indoor outdoor transmission line Indoor out...

Page 20: ...t signal factory setting 2 Execute emergency stop normal with level signal Local remote controller ON OFF operation and the controller ON OFF operation and prohibit enable change operations will be prohibited during emergency stop 3 Perform ON OFF with level signal Local remote controller ON OFF operation and the controller ON OFF operation and prohibit enable change operation will be prohibited 4...

Page 21: ...bited 3 Set the pulse width contact ON time to 0 5 to 1 sec 4 Recommended circuit example 1 The contact relay DC power source extension cable etc must be prepared separately at the site 2 The connection cable can be extended up to 32 ft 10m Use a 0 3mm2 AWG 22 or larger wire 3 Expose the extra cable near the connector and securely insulate the exposed section with tape etc CN2 Lead wire Emergency ...

Page 22: ...unction occurs 2 The connection cable can be extended up to 32 ft 10m 3 The relays lamps diodes and extension cables etc must be prepared separately at the site CN2 Lead wire Description of each terminal No 1 Green Common External ground No 2 Black ON OFF No 3 Brown Malfunction normal 1 ON signal and Malfunction signal will both be shown This unit Brown Black Green Max 10m 32 ft Diode 2 Power 1 Su...

Page 23: ... radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try correct the interference by one or more of the folowing measures Reorient or relocate the receiving antenna Incre...

Page 24: ...Please be sure to put the contact address telephone number on this manual before handing it to the customer WT05501X04 Printed in Japan Recycled Paper ...

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