"Hi Chris SSR Terminal 4(-) connects to negative of PSU. As previously mentioned, SSR Terminal 3(+) connects via Controller Relay to PSU positive.
For safety connects the 120V ac LIVE wire to the SSR Terminal 1 and SSR Terminal 2 to Heater Element.…"
Steve, In photo of my ssr you'll notice contact screws are numbered 1,2,3,4. According to your hand drawn diagram showing your ssr connections, how do the relate to the 1,2,3,4 connection points on my ssr, meaning what wires…"
"I have almost everything. Element arrives on Monday. Will pick up project box and wire tomorrow. What about the grounding issues with ssr (does it really need to be grounded / mounted on metal? I was thinking of just placing the ssr inside plastic…"
"Hi Chris, 12 gauge wire should be good for the heater. If the wires on the element are exposed, you could create some type of cover so you can get to them later. I think I would wrap with electrical tape and the put a plastic cover over them too. Be…"
Water Pump is large with metal casing. It came pre wired from factory. So are you telling me that since the pump is already grounded that the ground wire from controller box's power cord doesn't need to be grounded to anything?…"
I've been dealing with my sick fish most of the day. Would you or Steve put your stamp of approval on the following element, keeping in mind that I need stainless steel or incoloy for fish.
As I read it, it appears to be…"
"Hi Chris - glad you get sorted.
Just note - 2 of the 3 power supplies you shown is DC 5V - should be fine as the relay works from 3 to 32Vdc. If you look at Steve's drawing - follow the positive (+) terminal from the…"