10
4 .2 Signal cable connection
1, socket for leakage sensor 2, Power on/off
3, socket for power supply 4,socket
for USB(option) .
4.3 Pretreatment installation
4.3.1 open the side door of the main unit
Opening method is showed below
A
B
C
Step A: unscrew the screw of the side door with a screwdriver.
Step B: pull the handle of the side door with both hands, forced back to pull the a side
door out of 10mm ~ 13mm.
Step C: carry out the side door.
4.3.2 The position of the main components
1
2
3
4
