Air Conditioning
mode (when compressor is working. L1 lights up with green colour,
when compressor is ready for working
；
L1 blinks with green colour
，
and when the evaporator is thawing frost
；
L1 blinks with red colour.)
By pressing S7, you switch over to ventilation operating mode and the
L1-lamp automatically will turn off.
The controlling of cooling
In cooling operating mode, if the room temperature is higher then the
required room temperature, the system start working. If the room
temperature is 2 degree lower than required room temperature, the
system will stop working. When the cooling system start working, the
fan will run at first. After 5 seconds the compressor start working. When
the cooling system stop working, the compressor stop working first and
after 5 seconds the fan stop running.
In ventilation operating mode, the cooling system can not work.
Thawing frost
There are 2 sensors for thawing frost. In cooling operating mode, when
any temperature of the sensors is lower than 3 degree, the thawing
frost start, until each temperature of the sensors is higher than 7
degree. In thawing frost operating mode, the fans and compressor stop
working. In Ventilation operating mode, the thawing frost can’t start.
Warning
a. In case of too low or too high pressure in the system, L2 blinks and
makes a sound.
In case of too high pressure in the system, L2 blinks with red colour,
and the compressor will stop. The fans automatically will get stopped
after 10 seconds.
In case of too low pressure in the system, L2 blinks with green colour,
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