Description
The controller has four relay outputs, relays one and two are configured for two stage heating and relays three and four are configured for two stage cooling. In addition to the relay outputs, there is a Direct Acting (DA) 0 – 10 vdc signal, a Reverse Acting (RA) 0 – 10 vdc signal, which can be used for economy cycles, modulating heat or cooling valves and control signals to VAVs, etc.
