Basic Segment Display; Setting Outdoor Unit Option Switch And Key Function - Samsung AM***FXVAF Series Installation Manual

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
❋ If you install HR products, you must match the address between the MCU and the indoor unit.
Switch Setting
Setting total number of installed indoor unit
SW51 /
SW52
SW51: Tens digit, SW52: Units digit
Enable maximum capacity restriction for cooling
On
operation
K6
Disable maximum capacity restriction for cooling
Off
operation
K7 K8
SW53
On On Outdoor unit address: No. 1
On Off Outdoor unit address: No. 2
Off On Outdoor unit address: No. 3
Off Off Outdoor unit address: No. 4
SW57 Setting total number of connected MCU
Display content
Checking segment display
Number of connected indoor units
Transmit/Reception address
Function
Selecting outdoor unit address
Display
SEG 1 SEG 2 SEG 3
"8" "8" "8"
SEG 1 SEG 2 SEG 3
Number of communicated
❋ Refer to "View Mode"
"A" "d"
for communication
address
SEG 1 SEG 2 SEG 3
I/U: "A" I/U: "0"
Reception address (in
decimal number)
MCU: "C" MCU: "1"
Remarks
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
-
Main unit
Sub unit 1
Sub unit 2
Sub unit 3
Setting can be done from Main unit only.
Ex) When 3 MCUs are installed
10 MCUs are installed SW57:A
SEG 4
"8"
SEG 4
units
SEG 4
SW51: 1,
SW57:3, When
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