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Address Setting When Using Central Controller
If one indoor unit is connected to IGU05 addressed as No. 1, and its central address is No. 6, the indoor code displayed on central
controller is 1-6; if one indoor unit is connected to IGU05 addressed as No. 5, and its central address is No. 20, the indoor code
displayed on central controller is 5-20.
Note: when controlling MRV, the YCZ-A004 can control max. 32 IGU05 and max. 256 indoor units. If IGU05 is more than 32 while
indoor quantity is less than 256, another YCZ-A004 is needed because IGU05 exceeds 32; If IGU05 is less than 32 while indoor
quantity is more than 256, another YCZ-A004 is needed because indoor quantity exceeds 256.
When controlling single or multi split
One indoor unit needs one converter YCJ-A002, YCJ-A002 addressing as follows:
YCZ-A004 can control at most 128 indoor units when controlling single or multi split.
SW01
[8]
[7]
[6]
[5]
[4]
0
--
--
--
--
1
--
--
--
--
--
0
0
--
--
--
0
1
--
--
--
1
0
--
--
--
1
1
--
--
--
--
--
0
--
--
--
--
1
--
--
--
--
--
0
--
--
--
--
0
----
--
--
--
--
1
--
--
--
--
1
--
0
0
0
0
--
0
0
0
0
----
--
1
1
1
1
--
1
1
1
1
[3]
[2]
[1]
--
--
--
Single mode
--
--
--
Twin units shifting mode
--
--
--
Shifting time 1—8 hours
--
--
--
Shifting time 2—10 hours
--
--
--
Shifting time 3—12 hours
--
--
--
Shifting time 4—14 hours
Twin units running mode when
--
--
--
Twin units running mode when
--
--
--
Central address in twin shifting
0
0
0
Central address in twin shifting
0
0
1
Central address in twin shifting
1
1
0
Central address in twin shifting
1
1
1
0
0
0
Central address=1
0
0
1
Central address =2
1
1
0
Central address =127
1
1
1
Central address=128
mode=1
mode=2
----
mode=15
mode=16
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