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ELECTRICAL WIRING
Dip Switch Setting
• The dip switch is set to the "On" position if "1" is indicated in the table. The dip switch is set to the "Off" position if "0" is
indicated in the table.
• Dip switches set in the factory to on are marked with red.
Definition principles of code switches:
(A) Definition of SW01:
• SW01_1-4 is used to set indoor address when grouping multiple indoor units connected to single wired controller
YRE16B or YR-E17.
• SW01_5-8 set capacity of the indoor unit (factory set). Must only set when replacing board.
SW01_1
Address of wire
SW01_2
controlled indoor unit
SW01_3
(group address)
SW01_4
SW01_5
Capability of indoor unit
SW01_6
SW01_7
SW01_8
(B) Definition and description of SW03
• SW03_1-8 is used to set indoor unit address on system. Set address only if using central controller YCZ-A004. Leave
default if no central controller is used.
SW03_1
Address of setting
mode
SW03_2
Code-set indoor unit
~
address and centralized
SW03_8
controller address
Note:
• Set the address by code when connecting the centralized controller or gateway or charge system. Address of centralized
controller = communication address +0 or +64.
• SW03_ 2 = OFF, address of centralized controller = communication address +0 = communication address.
• SW03_ 2 = ON, address of centralized controller = communication address +64 (applies when centralized controller is
used and there are more than 64 indoor units)
31-5000476 Rev. 0
[1]
[2]
[3]
[4]
Address of wire controlled indoor unit (group address)
0
0
0
0
0# (wire controlled main unit) (default)
0
0
0
1
1# (wire controlled sub unit)
0
0
1
1
2# (wire controlled sub unit)
0
0
1
1
3# (wire controlled sub unit)
•••
•••
•••
•••
•••• •••
1
1
1
1
15# (wire controlled sub unit)
[5]
[6]
[7]
[8]
Capability of indoor unit
0
0
1
0
9000BTU
0
0
1
1
12000BTU
0
1
1
0
18000BTU
[1]
0
1
[2]
[3]
[4]
[5]
[6]
[7]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
•••
•••
•••
•••
•••
•••
0
1
1
1
1
1
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
1
•••
•••
•••
•••
•••
•••
1
1
1
1
1
1
Address setting mode
Automatic setting (default)
Code-set address
[8]
Address of indoor unit
Address of centralized controller
0
0# (Default)
0# (Default)
1
1#
1#
0
2#
2#
•••
•••
•••
1
63#
63#
0
0#
64#
1
1#
65#
0
2#
66#
•••
•••
•••
1
63#
127#
19
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