Help with master caster digital temp cont wiring

[NPBullets]

i recently bought a master caster with the digital temperature control. i am a little confused about the wiring. there is a stripped wire running out of the melting pot. where does it connects to?

http://i76.photobucket.com/albums/j19/bnitsche/1041d3a1.jpg

[jsizemore]

http://www.magmaengineering.com/PDF/Master_Pot_Instructions.pdf

Pretty simple schematic.

[NPBullets]

I figured it out and it's working perfectly. thanks for helping out.