Samsung Electronics 8-1
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MCU
8. Key Options
8-1 Outdoor unit option switch settings
Switch Setting Function Remarks
SW51/
SW52
Setting total number of installed indoor unit SW51:
Tens digit, SW52: Units digit
Setting can be done from the main outdoor unit only (sub
unit: setting is nnecessary)
Ex) When 12 indoor units are installed → SW51: 1, SW52: 2
SW53
K6
ON
Enable maximum capacity restriction for cooling
operation
Restrict excessive capacity increase when operating indoor
units with small capacity
OFF
Disable maximum capacity restriction for cooling
operation
-
K7 K8 Selecting outdoor unit address
ON
ON Outdoor unit address: No 1 Main unit
ON OFF Outdoor unit address: No 2 Sub unit 1
OFF ON Outdoor unit address: No 3 Sub unit 2
OFF OFF Outdoor unit address: No 4 Sub unit 3
SW57 Setting total number of connected MCU
Setting can be done from Main unit only.
Ex) When 3 MCUs are installed → SW57: 3,
When 10 MCUs are installed → SW57: A
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AM080ί2606XV666
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