Bosch HP270-2 - Capacitor;Fan Cable; Fan Connection (HP270-2)

Page 17 from 56 6-720-821-364 SM HP270 – 250 - 200 2016/12 en
Capacitor / Fan Cable
Pict.14 – Fan Connection (HP270-2)
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)
PCB
Connector
Capacitor 2
Capacitor 1
Fan
Connector
Brown
Brown
Brown
Black
Blue
Contact Normally Closed
Not OK - ∞ (contact opened)
OK - 0Ω (contact closed)
230 V ac between L / N
Note: Continuity Test
performed at atmospheric
pressure or when
component is stopped
HP 270-2
Controlled by 2 capacitors
Start = 2µF
Speed Control = 6.3 µF
230 V ac between L / N
Input Voltage is fix
Variable speed using PWM signal
White: Feedback of speed
Red: Not used
Yellow: PWM Signal
Blue: Ground