Midea MSY-09HRDN1-QC8 Service Manual page 32

For MSY-09HRDN1-QC8 and MSY-12HRDN1-QC4 and MSY-18HRDN1-QC2
compress
or
4-way
valve
outdoor
fan
indoor
fan
indoor fan
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
60s
70s
F8
no longer than 10 30s
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