Installation of equipment is a very important subject. Transformers are a key component of a resistance welder and must be installed and tested properly.
American Welding Society offers a standard on installation:
“AWS J1.2 Guide to Installation and Maintenance of Resistance Welding Machines”
This blog is not able to discuss individual machine installation and set-up. Consult your equipment supplier or local distributors for assistance.
Reference: American Welding Society