Drying Mode; Heating Mode - Midea MSC-18HRDN1-QC2 Service Manual

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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.
9.5.5
Turbo function(press the "TURBO" button on remote controller)
1)
Elevate current frequency to a higher grade.
2)
Indoor fan turns to turbo speed.
3)
After running for 30 minutes the machine will turn back to previous setting mode.
9.5.6
Indoor fan operation rule.
1)
In cooling mode, indoor fan runs all the time and the speed can be selected as high,
medium, low and auto.
2)
Auto fan in cooling mode acts as follow:
9.5.7
Condenser high temperature protection function(in cooling and drying mode)
If T3>60℃ for 5 seconds, compressor will stop immediately, and the machine will not resume until T3<52℃.

9.6 Drying mode

9.6.1
Indoor fan speed is fixed at breeze grade and can't be changed. The horizontal angle is the same as in cooling
mode.
9.6.2
Room overlow temperature protection
In drying mode, if room temperature is lower than 10℃, compressor will stop and not resume until room
temperature climbs up to 12℃.
9.6.3 Evaporator anti-freezing protection, condenser high temperature protection and outdoor unit frequency limit are
valid, and they are the same as that in cooling mode.
9.6.4
Horizontal louver action is the same as that in cooling mode.

9.7 Heating mode

9.7.1 Indoor fan action:
1)
Anti-cold-wind function.
4.0
3.0
1.5
1.0
high
medium
low
24

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