Symbol Switch Status Function Remark
ENC1
0 Header unit
Outdoor unit address dial switch 1 Follower unit
2 Follower unit
ENC2
0-3
Reserved
ENC4
0~7
Network address setting 0~7 Network address dial switch
ENC3
+S12
0~F
Setting the number of indoor units 0~15
000
0~F
Setting the number of indoor units 16~31
001
0~F
Setting the number of indoor units 32~47
010
0~F
Setting the number of indoor units 48~63
011
1. Instruction on Advanced Operation Mode
Advanced operation mode includes:
• Auto system check
• Forced cooling
• Forced heating
• Refrigerant recycle
• Refrigerant amount check
• Automatic refrigerant charging.
2. How to Set Advanced Mode Codes
1. Press and hold SW4 button for 5 seconds, and the LED will display “_n12”
2. To change the advance mode code (symbol), press SW5 (up) or SW6 (down) to scroll through the symbol list mentioned in
the following table.
3. To set the advance mode code (symbol), press SW3 to confirm.
4. To change the advance mode code (item), press SW5 (up) or SW6 (down) to scroll through the item list mentioned in the
following table.
5. To set the advance mode code (item), and press SW3 to confirm.
6. To exit the advance mode code anytime, press and hold SW3 button for 5 seconds.
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