Search: Posts Made By: pendertim
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03-30-17, 05:28 AM
Replies: 14
Views: 2,575
Posted By pendertim

Thanks again for the help. I suspected that...

Thanks again for the help.

I suspected that it should be setup for external fossil fuel kit as the HZ432 would be the equivalent to one but not knowing the implications left it alone.

Just for...
03-28-17, 05:20 AM
Replies: 14
Views: 2,575
Posted By pendertim

Once again, Thanks for the quick response,...

Once again, Thanks for the quick response, Houston204!

The HZ432 is setup for Dual Fuel operation in the configuration menu, sorry
I forgot to mention that.

I hear you about the furnace...
03-27-17, 06:17 PM
Replies: 14
Views: 2,575
Posted By pendertim

I got into the crawl space today and ran through...

I got into the crawl space today and ran through the Zone Controller menus, very simple and pretty much self explanatory, I guess I was making too big a deal out of it.

One thing that makes the...
03-26-17, 06:32 PM
Replies: 14
Views: 2,575
Posted By pendertim

Many Thanks for helping me here!! Looking at...

Many Thanks for helping me here!!

Looking at the menus in the literature for the HZ432, I do not see the "Finish with high stage" option but will look deeper once I get into the HZ432 to program...
03-26-17, 12:13 PM
Replies: 14
Views: 2,575
Posted By pendertim

Hi Houston204, I appreciate the fact you are...

Hi Houston204,

I appreciate the fact you are a service tech and can give real world experience to how things ACTUALLY operate. I also appreciate the time you take to educate folks like me.

So...
03-26-17, 10:52 AM
Replies: 14
Views: 2,575
Posted By pendertim

Thanks, Houston204 So could you help me...

Thanks, Houston204

So could you help me understand how the HZ432 operates? Can you be a little more specific how the logic falls apart?

What can I expect to happen if Zone 2 is on first stage-...
03-26-17, 07:03 AM
Replies: 14
Views: 2,575
Posted By pendertim

Thanks for the speedy reply, Houston204. I...

Thanks for the speedy reply, Houston204.

I there a "theory of operation" out there anywhere that explains the logic of how these zone controllers process inputs? That my help me from overthinking...
03-25-17, 06:23 AM
Replies: 14
Views: 2,575
Posted By pendertim

HZ432 "Percent of Zones" Behavior

On a HZ432 there is an option for configuring stage 2 based on % of zones calling and it seems to be configurable by zone.

My situation is that Zone 2 is quite small and zone 1 is quite large-...
03-11-17, 01:12 PM
Replies: 4
Views: 1,331
Posted By pendertim

Yes, 2 systems would be ideal, however that is...

Yes, 2 systems would be ideal, however that is not in the cards. So I need to make this work with the HVAC sub's help. Ductwork seems like it is pretty decently sized to second floor for 700CFM,...
03-11-17, 11:22 AM
Replies: 4
Views: 1,331
Posted By pendertim

Thanks for the prompt response! Two units...

Thanks for the prompt response!

Two units was my original idea but the builder, a very large company, said they do not support this as their standard practice and the zoned system would work well....
03-11-17, 08:59 AM
Replies: 4
Views: 1,331
Posted By pendertim

Dual Fuel, 2 Stage, 2 Zone System

Hi All,

Sorry for the long winded post, but I felt the more details the clearer the situation.
My daughter is having a new home built in Southern Delaware and I am having the builder install the...
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