Light Commercial R410A on-off DM17-01.01.08en
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The louver operates the same as in relevant mode.
If the machine switches mode between heating and cooling, the compressor pauses for a certain period of
time intermittently and then selects a mode based on T1-Ts.
If the setting temperature is modified, the machine selects a new running function.
1.3.5 Dehumidifier Mode
1.3.5.1 Indoor fan speed is fixed at low and cannot be changed
1.3.5.2 All protections are activated and operate the same as they do in cooling mode.
1.3.5.3 The louver operates the same as in cooling mode.
1.3.6 Timer function
1.3.6.1 The timing range is 24 hours.
1.3.6.2 Timer On. The machine turns on automatically at the preset time.
1.3.6.3 Timer Off. The machine turns off automatically at the preset time.
1.3.6.4 Timer On/Off. The machine turns on automatically at the preset On Time, and then turns off
automatically at the preset Off Time.
1.3.6.5 Timer Off/On. The machine turns on automatically at the preset Off Time and then turns off
automatically at the preset On Time.
1.3.6.6 The timer does not change the unit operation mode. If the unit is off now, it does not start up
immediately after the “timer off” function is set. When the setting time is reached, the timer LED switches ioff
and the unit running mode remains unchanged.
1.3.6.7 The timer uses relative time, not clock time.
1.3.7 Sleep function
1.3.7.1 The sleep function is available in cooling, heating, or auto mode.
1.3.7.2. The operational process for sleep mode is as follows:
When cooling, the temperature rises 1
℃ (to not higher than 30℃) every hour. After 2 hours, the
temperature stops rising and the indoor fan is fixed to auto speed.
When heating, the temperature decreases 1
℃ (to not lower than 17℃) every hour. After 2 hours, the
temperature stops decreasing and the indoor fan is fixed at auto speed. Anti-cold wind function takes priority.
1.3.7.3 The operating time for sleep mode is 7 hours, after which, the unit exits this mode and switches off.
1.3.7.4 The timer setting is available in this mode.
1.3.8 Auto-Restart function
The indoor unit has an auto-restart module that allows the unit to restart automatically. The module
automatically stores the current settings (not including the Swing setting) and, in the case of a sudden power
failure, will restore those setting automatically within 3 minutes after power returns.
1.3.9 Drain Pump Control (For Duct and Cassette)
Use the water-level switch to control drain pump.
The system checks the water level every 5 seconds.
----When the A/C operates in cooling (including auto cooling) or forced cooling mode, the pump begins
running immediately and continuously until cooling stops.
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