Si18-201 Refrigerant System and Function of Functional Parts of Outdoor Unit
Main Functions 105
EVT : Motorized valve in non-operating room BP unit
In cooling operation, fully closed.
In heating operation, carries out the control equal to Super-multi unit control (entire system
control).
EVH : Bypass motorized valve in BP unit
Opens at specified opening degree when oil collecting operation is conducted in heating
mode.
The EVH opens as well when oil collecting and defrosting operation is conducted in cooling
mode.
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