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18 31-5000500 Rev. 0
ENGLISH
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.
Note : A wired controller can be connected to sixteen ultrathin air-duct indoor units.
(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.
Note:
• Set the address by code when connecting the centralized controller, gateway or control 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)
SW01_1
SW01_2
SW01_3
SW01_4
Address of wire
controlled indoor unit
(group address)
[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)
SW01_5
SW01_6
SW01_7
SW01_8
Capability of indoor unit [5] [6] [7] [8] Capability of indoor unit
0 0 0 1 7000BTU
0 0 1 0 9000BTU
0 0 1 1 12000BTU
0 1 1 0 18000BTU
0 1 1 1 24000BTU
SW03_1 Address of setting
mode
[0] Automatic address setting or wired controller address setting (default)
1 Code-set address
SW03_2
~
SW03_8
Code-set indoor unit
address and centralized
controller address
[2] [3] [4] [5] [6] [7] [8] Address of indoor unit Address of centralized controller
0 0 0 0 0 0 0 0# (Default) 0# (Default)
00000011# 1#
00000102# 2#
••• ••• ••• ••• ••• ••• ••• ••• •••
0 1 1 1 1 1 1 63# 63#
1 0 0 0 0 0 0 0# 64#
1 0 0 0 0 0 1 1# 65#
1 0 0 0 0 1 0 2# 66#
••• ••• ••• ••• ••• ••• ••• ••• •••
1 1 1 1 1 1 1 63# 127#
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