need help with wiring on SW10DE water heater
I had to replace my water heater and did so with the exact model I had. however, the new unit is missing one wire. the old unit had 4 wires to hook up. the new one has only 3. the orange wire from the...
Forum Discussion
CA Traveler wrote:
I'd guess that the old unit used the orange wire to activate the heater via electronics or relay.
Is the switch 12V or 120? Is the orange wire 12V or 120V?
My last rig had a 12V relay outside the HW heater that was activated by a 12V switch and turned on the 120V.
Yep...according to Suburban the DEL model did use a 12V DC relay to activate the 120V AC to electric element....an the orange wire supplied that 12V DC.
The DE model doesn't use the 12V DC relay...straight 120V AC to element.
