Blue Star HNHW18CA User Manual page 7

Inverter Technology.
Normal Split ACs have fixed Compressors ( They work
on Fixed RPM, Fixed Frequency i,e, 50Hz ),
Indoor Unit
Inverter Compressors can change their frequency from
low to high. Herein, Ambient Load & Room Load is
accounted for consistently. As the frequency changes,
RPM of the compressor changes. The Compressor/AC
Models: HNHW18CA,
uses its full capacity at start to quickly reach the set
HNHW24CA
temperature. As soon as the AC reaches the set
temperature, it adjusts the capacity to eliminate any
temperature fluctuations & maintain the comfort.
Heatpump, model will provide warm enviroment during
Winter
Inverter units are charged with R410A refrigerant the
new environment friendly refrigerant, which has almost
nil ozone depleting
Important Functions
Anti-freezing function during cooling Mode in the Indoor
Unit: If the unit is running in COOL mode and set
in very low temperature, there will be frost formed
on the heat exchanger, when indoor heat exchanger
temperature goes below 4 deg C , the indoor unit
PCB will stop compressor running and protect the unit.
Defrosting during Heating Mode in the Outdoor Unit:
In case Ambient temperature becomes very low , frost
will form on outdoor unit, that will effect the heating effect.
The auto defrosting function will stop the fan motors of
indoor unit and outdoor unit therby halting the heating
mode of the AC & protecting the AC
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