no y1 signal in heat mode unit set dip switch to hp

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tom adams
Posts: 1
Joined: Wed Jan 07, 2015 6:23 pm

no y1 signal in heat mode unit set dip switch to hp

Post by tom adams »

.EWC BTM plus 3000 rev b with ecobee thermostats unit is not signaling heat pump y1 signal to come on.thermostat is calling for y signal circuit board is redirecting signal to W 1. system is single stage heat pump with electric second stage heat. DIP switch 1 is set for heat pump.
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