23
8. MMA INSTALLATION, DEBUGGING AND OPERATION
Attention: Please install and debug according to following steps!
Electrical connection cannot be conducted until distribution box is turned off.
Due to IP21S protection class, this machine should not be operated in the rain.
Please refer to No.7 “connection of distribution box”.
8.1. Installation
8.1.1.
Power cord (cross-sectional area of copper conductor should be 3*4mm
2
or more) should be
connected to junction box as indicated in 7.1.1.
8.1.2.
MMA mode is selected.
8.1.3.
Cable plug with electrode holder should be inserted into
the “-” socket on the front panel and be
tightened.
8.1.4.
Cable plug with earth clamp should be inserted into
the “+”socket on the front panel and be tightened.
8.1.5.
Ground connection is necessary.
8.1.3 and 8.1.4 refer to DCSP connection. Operators can select connection method according to
base metal and electrode application requirement. Generally, DCRP connection is recommended for
basic electrode (cable plug with earth clamp is connected to negative socket), while there is no special
requirement for acid electrode.
8.2. Installation diagram
