O.K. Heres my problem. Previously, I had a 240 volt hot tub with a
50 amp Double pole GFCI. Recently replaced hottub with a 240v sauna. Now, according to the wiring schematic. I need one 240v line hooked up to power the three heating elements.Unfortunately, the power coming off the GFCI seems to be on 110v ( 2 lines 110v each = 220v). This is a four wire hookup ( black, red, white, ground). It seems that I need a 3 wire hookup for the sauna ( black, white, ground). However, no matter how I wire this sauna heater, I seem to be only getting 110v to the elements.
Went to local hardware store and bought a 40 amp 120/240 v SINGLE pole breaker was told that that the breaker should recognize whether the appliance needs either 110v or 240 v and would give accordingly. Unfortunately, when only hooking up, I still only receive 110 v to the heater according to both my multimeter and a simple circuit tester. Out of the 4 wire going to the sauna, I only hooked up black, white, and ground, and just left the red dangling.
Am I missing something here? Is it possible to force 240v out of single wire hookup? If so, how? Thanks.