Bill R Posted February 26, 2023 Share Posted February 26, 2023 5 hours ago, Gsmentko said: Not how I thought it worked, but seems to be that way Greg - Did you still have the "120V" toggle on/off switch on your control panel on? Still need to send a 12V signal to the relay that will energize the 120V to the HW heater that is supplied by the 120V outlet for the HW heater. Link to comment Share on other sites More sharing options...
Gsmentko Posted February 26, 2023 Share Posted February 26, 2023 Yes, I have to keep the 120 Volt water heater toggle ON for hot water. I thought I lost that when I bypassed the relay on the EMS board. But, I didn't. So, really I still have the exact same functionality for the 120 Volt water heater switch on the control panel. All I lost was the the ability to automatically shed the HWH if I don't have enough Amps. I shouldn't have that problem since I only turn it on while on 50 Amp service. I thought I was going to have to flip the Circuit breaker on/off every time I wanted electric hot water, but I don't. Greg Link to comment Share on other sites More sharing options...
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