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Daikin D-BACS - Page 48

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2.3 Connection Method 31
Fundamental of DIII-NET
[Bad Example 4]
[Bad Example 5]
[Bad Example 6]
IN/OUT
F1 F2
OUT/OUT
F1 F2
IN/OUT
F1 F2
OUT/OUT
F1 F2
Centralized
Controller
VRV Outdoor unit
VRV Indoor unit
F1 F2
F1 F2
Connect the
centralized controller
to the outdoor-outdoor
connection.
Connecting directly in the middle of indoor F1 or F2
line, without using F1 or F1 terminal, is prohibited.
Connect outdoor units without branch connection.
Indoor-outdoor
connection
Connect indoor units and outdoor units without branch connection.
Outdoor-outdoor
connection
Centralized
Controller
missmatch
VRV Outdoor unit
Refrigeront piping
VRV Indoor unit
IN/OUT
F1 F2
OUT/OUT
F1 F2
IN/OUT
F1 F2
OUT/OUT
F1 F2
F1 F2
F1 F2
Main
System A
2-00
~2-03
2-00 2-01 2-02 2-03
1-00 1-01 1-02 1-03
Sub
NO!
2-00
~2-03
1-00
~1-03
System B
Conflict
IN/OUT
F1 F2
OUT/OUT
F1 F2
IN/OUT
F1 F2
OUT/OUT
F1 F2

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