Hello, I am installing a 2 zone switching relay with priority to a two circ pump hot water system. What does priority mean in this case? and more importantly; I currently have a honeywell aquastat which runs the boiler and power venter. Do I power the relay switch and the aquastat separately and remove the circ pumps from the aquastat to the install them to the switching relay?
Thanks for any input.
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I suspect you haven't gotten any responses because nobody can quite figure out exactly what you're trying to do.
If you are using the relay to power pumps, you would normally:
1) disconnect the thermostat wires from the aquastat control
2) run power to your new relays
3) power the pumps off of the high voltage output of the relay
4) connect your thermostat wires to the proper terminal on the relay
5) run wire from the end switch terminals of the relays to the thermostat terminals of your aquastat control
This will start the pumps when the thermostat calls for heat and then fire up your boiler if necessary.
Does that help you at all or are you trying to do something else?