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Setting outdoor unit option switch and key function
Setting outdoor unit option switches: A TYPE
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 unnecessary)
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