8.4.8 Sleep mode
8.4.8.1 The sleep function is available in cooling, heating or auto mode.
8.4.8.2. Operation process in sleep mode is as follow.
After pressing ECONOMIC or SLEEP button on controller, the machine will turn into sleep mode.
When cooling, The set temperature rise 1℃ per hour(be lower than 30℃). Two hours later, the set
temperature will maintain as a constant and the fan speed is kept at low speed.
When heating, The set temperature decrease 1℃ per hour(be higher than 17℃). Two hours later, the set
temperature will maintain as a constant and the fan speed is kept at low speed (Anti-cold function takes
precedence over all).
When auto, After an hour running under economic mode ,if it is under cooling mode the set temp will rise 1℃,
if it is under heating mode the set temp will decrease 1℃, if it is under fan-only mode the set temp will be
changeless; the condition will be the same after the air conditioner running under economic mode after 2
hours, and during the next time the set temp do not change.
8.4.8.3 Operation time in sleep mode is 7 hours. After 7 hours the AC quits this mode and the AC will turn off.
8.4.8.4 Timer off and remote controller off signals have the priority compared with sleep function.
8.4.9 Auto-Restart function
The indoor unit is equipped with auto-restart function, which is carried out through an auto-restart module. In
case of a sudden power failure, the module memorizes the setting conditions before the power failure. The
unit will resume the previous operation setting (not including swing function) automatically after 3 minutes
when power returns.
If the memorization condition is forced cooling mode, the unit will run in cooling mode for 30 minutes and
turn to auto mode as 24℃ setting temp.
If AC is off before power off and AC is required to start up now, the compressor will have 1 minute delay
when power on. Other conditions, the compressor will have 3 minutes delay when restarts.
8.4.10 Drain pump control (For A5 Duct & Cassette)
Adopt the water-level switch to control the action of drain pump.
Main action under different condition :( every 5 seconds the system will check the water level one time)
1. When the A/C operates with cooling (including auto cooling) and forced cooling mode or dry mode, the
pump will start running immediately and continuously, till stop cooling or dry or no capacity demand.
2. Once the water level increase and up to the control point, LED will alarm and the drain pump open and
continue checking the water level. If the water level falls down below the control point (drain pump delay
close 1 minute) and operate with the last mode. Otherwise the entire system stop operating (including the
pump) and LED remain alarming after 3 minutes,
8.4.11 Follow me (optional)
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