Search found 2 matches

by wmcneill
Mon Apr 21, 2014 3:27 pm
Forum: Help and Advice
Topic: Does BMPplus3000 have a "demand on all zones" output?
Replies: 3
Views: 7354

Re: Does BMPplus3000 have a "demand on all zones" output?

[quote="Erik W."]I am not following exactly what you are trying to do, can you please explain in more detail what you are trying to accomplish? I want to decrease fan speed when only one of two zones is calling. Many air handlers with a variable speed fan have a BK/DS/ODD/DHUM terminal that will ...
by wmcneill
Fri Apr 18, 2014 11:14 am
Forum: Help and Advice
Topic: Does BMPplus3000 have a "demand on all zones" output?
Replies: 3
Views: 7354

Does BMPplus3000 have a "demand on all zones" output?

I have a BMPlus3000 controlling a two-zone system. It has two thermostats connected, and is controlling a trane xv95 furnace that has a variable speed air handler and a "BK" input that can be used to influence fan speed. Does the BMPplus 3000 have an +24VAC output that will indicate when both zones ...