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251 Mayfield Dr. Smyrna, TN 37617 | P: 615.220.8879 | F: 615.220.8944 | FourWindsSpas.com
USA BREAKER & WIRING DIAGRAM
60 Amp Breaker: This 60 amp GFCI wiring diagram would be for your 3-4 pump swim spas.
50 Amp Breaker: A 50 amp GFCI wiring diagram would be for your 2 pump swim spa. Same
diagram above except using 50 amp circuits.
30 Amp Breaker: If using an 11kw heating system you’ll need to use a 60 amp and a 30 amp
breaker
Electrical Installations Instructions
G.F.C.I. Breaker Concerns
If after you wire your spa and apply power, the GFCI breaker will not stay engaged, the G.F.C.I.
breaker is not wired correctly. Check G.F.C.I breaker wiring chart following this section and
verify that all of your connections are correct. Generally, if the breaker will not stay engaged, it
is a wiring problem on the neutral wire. “Note: The neutral and ground wire cannot touch
anywhere in the line between the G.F.C.I. breaker and the spa. (See wiring diagram). The white
neutral wire from the spa control system must go to the Load Neutral (bottom of the breaker).
50 Amp Service for 1 – 2 Pump Spas & 60 Amp Service for 3 – 4 Pump Spas
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