Midea MSY-09HRDN1-QC2, Service Manual

Page: 32 / 44

29
For MSY-09HRDN1-QC8 and MSY-12HRDN1-QC4 and MSY-18HRDN1-QC2
8.7.8 Rating capacity test function.
Set the indoor unit with remote controller as: high fan, 30
℃
in heating mode, then press “ TURBO ”
button on controller 6 times or more within 10 seconds (make sure indoor unit receives these signals),
the machine will turn into rating capacity test mode, the buzzer will make a
“ di ” sound for 2 seconds
continuously. Also, indoor fan will change to rating speed, the frequency of compressor will be fixed
as rating value. Any condition of above is not satisfied, the machine cannot be turned into rating
capacity test mode.
o
of
o
of
o
of
o
of
compress
or
4-way
valve
outdoor
fan
indoor
fan
indoor fan
60s
70s
no longer than 10
30s
F8