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Wiring examples
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Name
Code
Possible unit connections
Heat source unit
Main unit
OC
±
Sub unit
OS
±
BC controller
Main unit
BC
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Sub unit
BS
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Indoor unit
Indoor unit controller
IC
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Remote controller
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RC
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Other
Transmission booster unit
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Example of a group operation system with multiple heat source units (Shielding wires and address setting are
necessary.)
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[Fig. 11.3.1] [Fig. 11.3.3] [Fig. 11.3.4] [Fig. 11.3.6] ME Remote Controller (P.16 - 18)
[Fig. 11.3.2] [Fig. 11.3.5] MA Remote Controller (P.16, 18)
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A
Group 1
B
Group 3
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Group 5
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Shielded wire
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Sub remote controller
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System controller
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[Fig. 11.3.3]
[Fig. 11.3.6] Combination of heat source units and transmission booster unit (P.17, 18)
A
Ground
B
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<Wiring Method and Address Settings>
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one heat source unit in the system.
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Unit
Range
Setting Method
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01 to 50
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Indoor units connected to the main BC controller
2
Indoor units connected to BC sub controller 1
3
Indoor units connected to BC sub controller 2
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indoor unit, set the new address to a vacant address within the set range.
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101 to 150
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