TW6900 Setup and Installation
Preparing the Unit for Primary Power
Only qualified personnel should perform this installation.
Turn the input power off at the disconnect switch or fuse box before working on the welder
Do not touch electrically hot parts
Primary Power Cable and Ground Connection
Remove the top cover of the TW6900
Route the primary power cable through the power inlet hole in the top left corner on the
backside of the welder with enough slack to reach the terminal block
Connect the ground wire to the frame of the welder as shown below
Connect the power leads (black, white, red) to the L1, L2, and L3 connectors on the terminal
block, as shown below
Power
Connections
Ground
Connection
9
