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8.4.2 Components of power supply and their purposes and functions
No. Component Purpose and function
1 Power cord Cord having power plug at its distal end
2 Power SW Power SW of the machine
3 Buzzer Buzzer used to alert error audibly
4 DC24V OUT Service connector for manufacture
5 RS-232C Service connector for manufacture
6 BP BACKUP Volume used to set BP flow rate at power failure
(Enabled only when required option is used）
7 Fan Fan used to ventilate power box inside
8 Air filter Filter used to remove dust from air introduced into
Electrical POWER BOX.
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