Installation Manual

BU Module
21
6.7 Instructions for DIP Switch
 2 digits DIP is adopted to assign the address when using multi-BU modules and the address
cannot be repeated in the same unit.
 One outdoor unit can connect to no more than 3 BU modules.
 “ON” side means "ON" and the opposite side represents "OFF". (Note: The black part is lever.)
Table 11
DIP Code
Number
DIP 1 DIP 2
Icon Address
1 OFF OFF
BU 1
2 OFF ON
BU 2
3 ON OFF BU 3
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