Search found 2 matches

by achipoletti
Tue Jan 08, 2013 2:13 pm
Forum: Help and Advice
Topic: MA-ND4 Adjustment
Replies: 2
Views: 11768

Re: MA-ND4 Adjustment

Thanks Patrick...

I also need to make some adjustments to get rid of a whistling sound when only my loft system is activated.
I have a bypass damper installed that returns excess air to my return duct.

But my main dampers must have a gap between the damper and the duct - so I neeed to find a way ...
by achipoletti
Sat Dec 29, 2012 12:32 pm
Forum: Help and Advice
Topic: MA-ND4 Adjustment
Replies: 2
Views: 11768

MA-ND4 Adjustment

I have a single family home with two zones that are controlled by two thermostats and three MA-ND4s.

I normally keep Zone 2 turned off (Upper level) - controlled by one thermostat and one MA-ND4.

Zone 1 contains 17 supply registers - I'll call them Zone 1A and Zone 1B...
One thermostat and two MA ...