Contents
Page
Safety Precautions............................................ 2
1. Introduction ............................................... 5
1-1. Parts names and functions .............. 5
1-2. Monitor and operation of the air
conditioners...................................... 6
1-3. About “Group” and “Block” ............... 6
2. Parts List ................................................... 6
3. Specifications............................................ 7
3-1. Product Specifications ..................... 7
3-2. External dimensions......................... 7
3-3. Supplying power to the M-NET
transmission lines ............................ 8
4. System configuration ................................ 9
4-1. Setting M-NET address for
various devices .............................. 10
4-2. M-NET system setting example..... 12
5. Installation............................................... 13
5-1. Field-supplied parts........................ 13
5-2. M-NET transmission line length ..... 14
5-3. Installation...................................... 15
6. Wiring connections.................................. 16
6-1.
Installing and uninstalling the cover ..
16
6-2. Connecting the power cable and
protective earth cable..................... 16
6-3. Connecting the M-NET
transmission line ............................ 17
6-4. Connecting the LAN cable ............. 18
7. Initial settings .......................................... 19
7-1. IP address and network settings.... 20
8. Product features...................................... 21
9. Test run................................................... 23
9-1. Batch operation/Stop (error reset)
switches ......................................... 23
9-2. Service LED display....................... 23
10. External input/output ............................... 24
10-1. External signal input function ......... 24
10-2. External signal output function....... 25
11. Copy to USB memory and read from USB
memory ................................................... 26
11-1. Switch setting................................. 27
11-2. Operational data ............................ 28
12. 7-segment LED ....................................... 30
12-1. 7-segment LED display and switch
settings........................................... 31
13. Error code list.......................................... 32
Air-Conditioner Network System
Installation/Instructions Manual
After reading this manual, pass the manual on to the end
user to retain for future reference.
The users 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
condition system users.
Centralized Controller
GB-50ADA-A
GB-50ADA-J
To ensure safety and proper operation of the
unit, the unit should only be installed by
qualified personnel.
• 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.
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