Capacitor/Fan Cable; Fan Connection (Hp270-2) - Bosch HP270-2 Technical Manual

Capacitor / Fan Cable
PCB
Connector
Fan
(EBM Papst)
AC controlled
Note: Only
HP270-2 and
HP200-250-1
Fan
EC: electronically
controlled
Note:
only HP270-3
High Pressure
Switch connection
(use of multimeter:
continuity or
resistance
measurement)
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Brown
Pict.14 – Fan Connection (HP270-2)
230 V ac between L / N
230 V ac between L / N
Contact Normally Closed
Not OK - ∞ (contact opened)
OK - 0Ω (contact closed)
6-720-821-364 SM HP270 – 250 - 200 2016/12 en
Blue
Brown
Brown
Capacitor 1
Fan
Connector
Black
Capacitor 2
HP 270-2
Controlled by 2 capacitors
Start = 2µF
Speed Control = 6.3 µF
Input Voltage is fix
Variable speed using PWM signal
White: Feedback of speed
Red: Not used
Yellow: PWM Signal
Blue: Ground
Note: Continuity Test
performed at atmospheric
pressure or when
component is stopped