eac183 Posted November 6, 2022 Report Share Posted November 6, 2022 We moved into a place that has a Hydropool 14FX that is not hooked up. We are going to run a new GFCI; but we are not clear on whether we need to hook up the master heater only or hook up the master and slave heater. Any help is appreciated. Quote Link to comment Share on other sites More sharing options...
In Hot Water Posted November 7, 2022 Report Share Posted November 7, 2022 You will need two GFCI breakers. Each controller needs to be wired up individually That means you will need a 100 amp service panel housing the 2 GFCI breakers. The unit will be heating at an 11 KW. capacity. Pulling roughly 85 amps wide open. Quote Link to comment Share on other sites More sharing options...
cranbiz Posted November 7, 2022 Report Share Posted November 7, 2022 Well, according to the wiring diagrams provided, the OP does not have to wire in 2 GFCI breakers to run the panels. He can do it with 1 100A circuit and a 100A GFCI. He can also opt not to run the slave heater and run just a 50A circuit. Of course, the swim spa will heat much more slowly than if they use both heaters. I believe that 2 50A feeds will provide some redundancy as a failure in the slave panel probably won't take the entire system down. While it will cost more to run 2 50A circuits, it won't be much more than running 1 100A circuit. 2 Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted November 8, 2022 Report Share Posted November 8, 2022 Yep, better off with 2 breakers if using the slave heater. 1 Quote Link to comment Share on other sites More sharing options...
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