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Aqualink RS8 connections to Hayward heater

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I have an Aqualink RS8 controller with some wires on  a 4 pin connector in top left corner, Green (ground), Pool (Yellow), Spa [Blue], Hot (Red),  and on another line Common [white] .

where do these connect to the  Hayward heater H400FDN 3 wire remote marked (Spa, COM, Pool)
I tried connection Spa to Spa, Common to white, and Pool to Pool, but that did not work.

Should I connect the line with electricity (hot) to the COM ?


Edited by Walter2

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