Connection Of The Needle Cooler (Turns On While Machine Is Running) - JUKI LK-1900B Series Engineer's Manual

(6) Connection of the needle cooler (turns ON while machine is running)

Connect the needle cooler solenoid valve to the MAIN board CN36 (8P).
It is originally for BR35 connector. The needle cooler cannot be used with BR35.
1） Wiring diagram
MAIN PWB
CN36
+5V
OPSW
STSW
+24V
CYCLE
ERR
GND
GND
2） Applicable connector
No.
Part No. HK01651008B
Part name Housing
3） Solenoid valve (for cooler)
24 V DC, 1.8 W Surge voltage protection circuit with polarity is equipped as shown in the diagram below.
Ex.) SMC Corporation's SY series, VZ series, etc.
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
1 2
HK016540000
Pin contact
Diode for protection against reverse connection
CN41
Red (+)
Black (–)
– 109 –
Coil