Toyotomi Kuro MTN A228DV Service Manual page 29

If any one of following items is satisfied, defrosting will finish and the machine will turn to normal
heating
mode.
a) T3 rises to be higher than 12℃.
b) T3 rises to be higher than 8℃ and remains for 80 seconds.
c) The machine has run for 10 minutes in defrosting.
9.7.7 Defrosting action.
compressor
4-way valve
outdoor fan
indoor fan
indoor fan breeze 10s
1) 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 can not be turned into rating
capacity test mode.
2) The machine will quit from the rating capacity test mode if running for 5 hours or changing fan
speed or setting temperature.
9.7.9
1) Elevate current frequency (excluding F8) to a higher grade. If indoor fan is in low speed or
pause caused by defrosting or anti-cold-wind function, frequency of compressor will not be elevated one
grade until these limit has been released.
2) Indoor fan changes to turbo speed and anti-cold-wind function is valid.
on
off
on
off
on
off
on
off
60s
70s
9.7.8 Rating capacity test function.
Turbo function in heating mode. (press the "TURBO" button on remote controller)
F8
no longer than 10 minutes 30s
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