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by tom adams
Wed Jan 07, 2015 6:33 pm
Forum: Help and Advice
Topic: no y1 signal in heat mode unit set dip switch to hp
Replies: 0
Views: 9757

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

.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.