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Basic segment display
Step
At initial power input
While setting communication
between indoor and outdoor unit
(Addressing)
After communication setting
(usual occasion)
❋ I/U : Indoor unit
Setting outdoor unit option switch and key function
Setting outdoor unit option switches: A TYPE
Switch
Setting
SW51 /
SW52
On
K6
Off
K7
K8
SW53
On
On
On
Off
Off
On
Off
Off
76
Display content
Checking segment display
Number of connected indoor units
Transmit/Reception address
Function
Setting total number of installed indoor unit
SW51: Tens digit, SW52: Units digit
Enable maximum capacity restriction for cooling
operation
Disable maximum capacity restriction for cooling
operation
Outdoor unit address: No. 1
Outdoor unit address: No. 2
Outdoor unit address: No. 3
Outdoor unit address: No. 4
SEG 1
"8"
SEG 1
"A"
SEG 1
I/U: "A"
MCU: "C"
Setting can be done from the main outdoor unit
only (sub unit: setting is unnecessary)
Ex) When 12 indoor units are installed
SW52: 2
Restrict excessive capacity increase when
operating indoor units with small capacity
Selecting outdoor unit address
Main unit
Sub unit 1
Sub unit 2
Sub unit 3
Display
SEG 2
SEG 3
"8"
"8"
SEG 2
SEG 3
Number of communicated
units
❋ Refer to "View Mode"
"d"
for communication
address
SEG 2
SEG 3
I/U: "0"
Reception address (in
decimal number)
MCU: "1"
Remarks
-
SEG 4
"8"
SEG 4
SEG 4
SW51: 1,
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