Haier AW09EH2VHD, Service Manual

Page: 18 / 70

INDOOR UNIT CONTROLS and COMPONENTS PAGE 18
DIP Switch Settings
The PCB has a set of DIP switches
●
that must be set when
replacing the PCB.
The replacement PCB is shipped with all switches set to the
●
OFF position.
Switch settings:
J5 Selects remote code A or B. Normally set to connection
state for code A operation.
If two indoor units are used in the same area and the user
wishes to control them separately, switch J5 of the second
unit is set to the disconnected state for code B operation.
The wireless remote for the second unit is also set to code B.
J6 Selects room card able or disable. Normally set to
Set to
when used in conjunction with a room card interface utilized
in hotel rooms.
SW-1 and SW-2 Selects EEPROM codes 23, 26, 33 and 35.
Set to identify the tonnage of the unit.
Settings:
9K (23) SW 9K (23) SW 9K (23) SW-1 OFF SW-2 OFF -3 OFF SW-4 OFF -3 OFF SW-4 OFF -3 OFF SW-4 OFF
12K (26) SW-1 OFF SW-2 ON 12K (26) SW-3 OFF SW-4 ON 12K (26) SW-3 OFF SW-4 ON 12K (26) SW-3 OFF SW-4 ON 12K (26) SW-3 OFF SW-4 ON 12K (26) SW-3 OFF SW-4 ON
18K (33) SW-1 ON 18K (33) SW-3 ON 18K (33) SW-3 ON 18K (33) SW-3 ON SW-2 OFF -4 OFF
DIP Switch
connection state.
the disconnected state