52
DC Inverter Multi
VRF Service Manual
CONTROL
Serial No. Description
1 Wall
2 Power Supply Box (86)
3 Bottom Base(including power supply module board)
4 Screw
5 Top Cover(including the display board)
After the installation, it is necessary to make the debugging to guarantee the normal communication.
5.5.2 Debugging and Viewing the Port No. and the Indoor Unit Address
Debugging setting: In the event that the unit is initially powered on, the setting for the project changes, or the serial
port is replaced, and then it is available to go to the debugging status by pressing “Mode” and “Thu” simultaneously
for ve seconds, under which page, it is enabled to check automatically and distribute the address of the indoor unit. 10
minutes later, the debugging is nished and the indoor unit which gains the address is under control and the unaddressed
indoor unit is not.
Viewing the serial port and the indoor unit address: It is available to go to the debugging page by pressing “Mode”
and “Thu” simultaneously for five seconds, under which page it is enabled to view the serial port and address of the
corresponding indoor unit
The press on “Conrm/Cancel” can conrm this debugging setting and go to the viewing state of the current indoor
unit; otherwise this setting will not be saved.
See Fig.5.5.7 for the debugging operation. Fig.5.5.7 shows the indoor unit 1 and indoor unit 2, both of which are
connected with the port COM2. The address of one is 01 and the other is 04.
Press “Mode” and “Thu”
simultaneously for five seconds
to go to the debugging page.
Press the code button of the indoor unit
to inquire about its corresponding serial
port and address.
Press “Confirm/Cancel” to make a
confirmation.
Fig.5.5.7 Debugging
5.5.3 Labeling
A label is provided to identify the relationship of the indoor unit No. and the corresponding room name. The user can
write down the indoor unit No. and its corresponding room name on the label which then will be stuck to the inside of the
cover of the smart zone controller so that the user can be clear about the control object.
For instance, when the user has installed the air conditioners in the child room, bedroom and living room, after the
debugging it is available to view the indoor unit No. of each room and get clear about their corresponding relationship.
Room Name Child Room Bedroom Living Room
Indoor Unit Address Port 1,Indoor Unit 04 Port 1, Indoor Unit 05 Port 1,Indoor Unit 06
Indoor Unit No. 1 2 3
After get clear about the relationship of the indoor unit no. and the room, the user can write “Child Room”, “Bedroom”,
“Living Room” on the place “1”, “2” and “3” respectively on the label and then stick the label to the inner side of the smart
zone controller.
See 5.5.8 for the label.