Sleep Function; Auto-Restart Function - Mars Comfort-Aire Century VCD-SA Series Service Manual

preset time.
• Timer Off. The machine turns off automatically at the
preset time.
• Timer On/Off. The machine turns on automatically at
the preset On Time, and then turns off automatically
at the preset Off Time.
• Timer Off/On. The machine turns off automatically at
the preset Off Time and then turns on automatically at
the preset On Time.
• 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 off and the
unit running mode remains unchanged.
• The timer uses relative time, not clock time
3.9

Sleep Function

• The sleep function is available in cooling, heating, or
auto mode.
• The operational process for sleep mode is as follows:
• When cooling, the temperature rises 1°C (to not
higher than 30°C/86°F) every hour. After 2 hours,
the temperature stops rising and the indoor fan is
fixed at low speed.
• When heating, the temperature decreases 1°C(to
not lower than 16°C/60.8°F) every hour. After 2
hours, the temperature stops decreasing and the
indoor fan is fixed at low speed. Anti-cold wind
function takes priority.
• The operating time for sleep mode is 8 hours, after
which, the unit exits this mode.
• The timer setting is available in this mode.

3.10 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 and in the
case of a sudden power failure, will restore those
setting automatically within 3 minutes after power
returns.
 Product Features 6
Service Manual - VCDxxSA
