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Mitsubishi Electric G-50A Installation Manual

Air-conditioner network system central controller.
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Mitsubishi Electric Air-conditioner Network System
Central Controller
Model: G-50A
ON/OFF
CENTRAL CONTROLLER
G-50A
Before using the controller, please read this Installation Manual carefully to ensure proper
operation. Keep this manual for future reference.
Installation Manual
Contents
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/output usage method ....................... 7
1. External signal input function .......................... 7
2. External signal output function ........................ 8
3. LAN connection function ................................. 9

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Table of Contents

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   Summary of Contents for Mitsubishi Electric G-50A

  • Page 1: Table Of Contents

    Mitsubishi Electric Air-conditioner Network System Central Controller Model: G-50A Installation Manual Contents 1. Safety precautions to be observed without fail ..1 2. Confirmation of parts ..........2 ON/OFF 3. Outline dimensions ..........2 4. System diagram ............3 5. Installation method ..........4...
  • Page 3: Safety Precautions To Be Observed Without Fail

    This manual describes the installation of the central controller and wiring to the air conditioner. Before using the controller, read the 1 Safety precautions to be observed without fail section carefully to ensure proper installation. 1 Safety precautions to be observed without fail Safety symbols used in this manual The following symbols are used in this manual to indicate the type and severity of potential consequences that may result when given instructions are not followed exactly as stated.
  • Page 4: Confirmation Of Parts

    (DC24V) to the M-NET transmission line. * If connected to an R410-A compatible model of CITY MULTI outdoor unit (except the S series), G-50A can be powered from the outdoor unit. Note, however, that while the power to the connected outdoor unit is turned off, the G-50A cannot perform a schedule operation, collect charge data, or perform energy save control.
  • Page 5: System Diagram

    Group 2 M-NET Central controller Power supply unit (optional) Model: G-50A Model:PAC-SC50KUA Power(DC12V) * Address setting for each M-NET device (The same address cannot be duplicated). * The K transmission converter (PAC-SC25KAA) and OA processing unit (LOSSNAY) are not included in systems shipped to North America (USA &...
  • Page 6: Installation Method

    5 Installation method Unit: mm (in) Center of electric box 1 (1/32) 1. Parts prepared at site 181 (7-1/8) 179 (7-15/32) 1 Prepare an electric box. 30 (1-3/16) 30 (1-3/16) 2 Prepare lock nuts and bushing that match the conduit. 30 (1-3/16) 3 Prepare an M-NET transmission line CVVS(2-wire): Electric box...
  • Page 7: Initial Setting

    5 Remove the controller’s cover and install on to the electric (NOTE) The cover fixing screw is box. packaged with the other enclosed screws. Insert a flat-tip screwdriver and rotate it to remove the cover. Electric box <Installation on to electric box> Installation plate Central controller NOTE...
  • Page 8: Ip Address Setting Method

    Unit When G-50A controls another system controller or when the When G-50A is controlled by another system controller: system contains only G-50A: G-50A is set as the master system G-50A is set as the slave system controller. controller. * The group setting is performed by Master system controller.
  • Page 9: Test Run

    Indoor unit address 01~20 M-NET G-50A * Set G-50A address to “000” When a K transmission converter is con- Group 1 to Group 20 nected. Always set to the master system controller when the address is 20 indoor units (for control) “000”.
  • Page 10: External Signal Output Function

    (3) External input specifications CN2 Lead wire Emergency stop/normal level signal ON/OFF, level signal ON/OFF, prohibit/enable pulse signal No.5 Orange Emergency stop/normal input ON/OFF input ON input No.6 Yellow Not used Not used OFF input No.7 Blue Not used Not used Local remote controller operation prohibit input No.8 Gray Not used...
  • Page 11: Lan Connection Function

    Refer to section 5 Installation method . * When the G-50A cover is opened, the LAN status lamp and LAN changeover switch are accessed. For detailed information, refer to sections 3-2 and 5-9 of the Instruction Book.
  • Page 12 This product is designed and intended for use in the residential, commercial and light -industrial environment. The product at hand is • Low Voltage Directive 73/23/EEC based on the following • Electromagnetic Compatibility Directive 89/ EU regulations: 336/EEC HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN WT03944X02 Printed in Japan Recycled Paper...

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