Outline of Control SiE-05C
220 Functions PLUS Series
4. Outline of Control
4.1 Starting Control
4.1.1 Soft Start
Starts inverter type by low operation frequency in order to prevent refrigerant pump down when the
compressor starts for both cooling and heating.
∗ INV : Inverter, STD : Standard
Herein after we indicate
INV for inverter and STD for standard.
<In Case of Cooling
Only System>
INV outdoor unit Frequency at start 42Hz + OFF
Hot gas bypass ON
Liquid injection ON
STD outdoor unit Hot gas bypass ON
INV outdoor unit Frequency at start 42Hz + OFF
Liquid injection ON
Function unit (BC) Solenoid valveY5, Y6, Y7 ON
SI-05C.BOOK Page 220 Monday, November 6, 2000 4:13 PM
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