System control SiE18-201
104 Main Functions
3.26.5 Outdoor Units Motorized Valve Control by Target Discharge Pipe
Temperature
Outline This function adjusts the motorized valve opening in order to set the actual discharge pipe
temperature close to the target discharge pipe temperature obtained from the indoor heat
exchanger temperature and outdoor heat exchanger temperature.
Target discharge temperature = α ° Condensation temperature - β ° evaporating temp. + γ
The correction value for the motorized valve is determined based on the table (fuzzy table) of
deviation of the target discharge temperature and actual discharge temperature and per-unit-
time change amount of discharge temperature, and used for the operation of the motorized
valve.
Target discharge temperature is set
so as to attain target superheated
degree.
This inclination is considered to remain
the same regardless of operating condition.
(M1045)
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