8
(3). The load balance when using 1Φ / 220V motors in 3Φ / 220V power system : 
Please install the power connections as the following diagrams for the load balance. 
 
 
 
 
 
 
 
 
 
 
(4) How to change solenoid supply voltage : (DC: 24 V OR 30 V) 
 When changing the solenoid voltage to 24V or 30V, use the JP1 and JP2 on the power board to do 
 the jumper switch. 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
R 
S 
T 
  Caution (2):  
Turn off the power and wait for 5 min. 
before opening the cover, then make the   
change. 
High voltage inside
30V jumper setting 24V jumper setting   
Power board layout : 
HSV-PS1220X
JP 1
24 V 
30 V
JP 2
JP 1 
24 V 
30 V 
JP 2 
Factory setting 
  Caution  (1):  Before making the switch, check the machine head solenoid specification. 
From the library of: Diamond Needle Corp