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2WAY SYSTEM
Address Settings
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2WAY SYSTEM
Address Settings
2. Settings of Indoor Unit Control PCB
SW8
SW5
SW6
CN40
CN22
CN23
CN24
CN27
CN30
CN28
CN34
CN33
SW2
SW4
SW1
SW7
CN67
CN73
LED1
LED2
SW3
Name And Function Of Each Switch On Outdoor Unit Control PC Board
• Mode Select pin
(3P, Black) (CN40)
Changes to the cooling or heating mode. (Main outdoor unit is only usable.)
During normal driv
e
W
hen the cooling side is short-circuit, all indoor units change to cooling mode.
When the heating side is short-circuit, changes to all heating mode.
• Auto Address setting pin
(2P, Black) (CN30)
Short-circuit for 1 second or longer. When opened, the auto address mode starts.
When the short-circuit remains in effect for more than 1 second during auto address, the auto
address is interrupted.
• Test Run pin
(2P, Black) (CN23)
When set to short-circuit, changes to the test run mode.
(The test run mode is automatically cancelled after an hour.)
When short-circuit is cancelled, the test run mode is cancelled.
• RC socket
(3P, Blue) (CN73)
Connects to the outdoor unit maintenance remote control and the content of an alarm message
will be checked.
• Drive pin
(2P, Black) (CN27)
When the pulse signal applied after short-circuit, all indoor units within the same series will be
operated.
• Stop pin
(2P, Black) (CN28)
When the pulse signal applied after short-circuit, all indoor units within the same series will be
stopped.
(When set to short-circuit, the remote control from the indoor unit can not be operated.)
• Vacuum pin
(2P, Black) (CN24)
Used for vacuuming the outdoor unit.
Socket for Snow Area
• Snow socket
(3P, Red) (CN34)
Used for installing the snow sensor.
Silent Socket
• Socket for silent mode
(2P, White) (CN33)
Used for installing the external timer for the silent mode.
2. Settings of Indoor Unit Control PCB
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Содержание U-8ME1E81
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