Haier AU96NFTAHA Service Manual page 42

b. Heating running function of outdoor unit
Function of setting all the indoor unit groups connected to the heat trial run mode,
with outdoor unit as unit.
(Running sequence)
Press SW04 on the same base plate PCB for over 2
seconds.
Confirm that the remote controller of the indoor unit
group to be run has been set to the heat running
mode (display "H") and confirm that the display on the
7-segment nixie tube of the I/F PCB of the outdoor unit
is "-H".
Resume SW01 on the I/F PCB of the outdoor unit to "0", SW02 to "0".
Switch on the power
Set SW01 on the I/F PCB of outdoor
unit to "0", SW02 to "12"
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Running confirmation.
Finish.