Navien New System Normal or Not?

kayzee

Overview...
I have my Navien unit set to: 175º house is in the North East (New York - Long Island)
Zones:

1. (main floor) Living / Kitchen / Dinning / Foyer
   
2. (upstairs) Bedroom Upstairs
   
3. (main floor) back family room
   
4. (main floor) apartment
   

Problem...
Problem is i put zone 3 on to 70 and while its going up (real slow maybe 1º every 45 mins) zone 2 baseboards will be getting warm (not hot like zone 3). Is there any real way without ripping up walls of seeing if something is wrong? would a flow check valve on every zone fix this issue? Is it normal for a Navien Unit to take soo long to heat up a space?

Ironman

I would assume that the circulators have internal flow checks. They should. Maybe one is sticking.

You should not use setback with a mod/con. It has a feature called Out Door Reset (ODR) which adjusts the water temp based on outdoor temp. This saves energy and actually gives increased comfort. Using setback works counter-productive to ODR and should not be used.

EBEBRATT-Ed

Maybe that zone has some air trapped in it

kayzee

Ironman said:

I would assume that the circulators have internal flow checks. They should. Maybe one is sticking. You should not use setback with a mod/con. It has a feature called Out Door Reset (ODR) which adjusts the water temp based on outdoor temp. This saves energy and actually gives increased comfort. Using setback works counter-productive to ODR and should not be used.

sorry I'm not too versed in the plumbing world but... what is a setback with a mod con?

does the closet look right from what you can see in the photo?

Ironman

Setback: setting the temperature on the thermostat back (usually at night) and then back up. Again, don’t do this.

Mod/con: modulating/condensing boiler.

I see nothing wrong with the piping and installation of the boiler, but the installer should have explained to you how the boiler operates and what to expect.