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Heat Pump System - Single Stage or 2 Stages? Bob Simon 05-11-2008
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Posted by KJPRO on May 12, 2008, 11:18 pm

>> You and "noon-air" seem to make a lot of unjustified assumptions.
>> Perhaps you and he are usually right but I have to wonder. It looks
>> to me like you're trying to prove that do-it-yourselfers are stealing
>> your livelyhood and I happen to be a convenient target for your
>> unhappiness.
> I made no assumptions, only statements.
>> For your information, over the past two years I paid a qualified
>> installer about $7k to install two new heat pump systems in my house.
>> A week ago when the WR 1F82-261 thermostat he installed died, I
>> re-installed the old mercury switch thermostat. As I mentioned, the
>> system is working now. I enjoy doing small repairs that are within my
>> capabilities and am completely confident that I can install and
>> program a new electronic thermostat.
> $7,000 for 2 systems is really cheap unless you provided the equipment. If
> the installer provided the equipment and t-stats, the stats are still
> under warranty. Call the installer back to make it good under warranty,
> unless he is out of business because he didn't charge enough.


I talked to a guy that got a quote to install a HP system...

Juat a couple hundred more than 2K!!!!!!!
(must be manufactured by K-Mart and sold at Wal-Mart)



Posted by Gary on May 13, 2008, 12:36 am
I thought the same thing & didn't want to say anything but since you
mentioned it the Air Handler he's got isn't a true match with his
condenser. ARUF3030 only matches with the Goodman 13 SEER condenser.
The only way to get 14 SEER is with an ARUF1931 & field install a TXV which
together cost about an extra $175.00. That means the cost should have been
$7,175.00 <g>

Posted by Zyp on May 13, 2008, 10:54 am
Bob Simon wrote:
>> Bob Simon wrote:
>>> I'm looking at programmable thermostats for my heat pump -- Goodman
>>> GSH14030 compressor and ARUF3030 air handler with a 10kW heat kit.
>>> I want to determine how many stages of heating and cooling I have
>>> so I went to the Goodman web site and searched the spec sheets for
>>> the word "stage" but it was not listed this way.
>>> Can someone please tell me if this is a single stage system or
>>> multi-stage? For two stage systems do both the compressor and air
>>> handler need to be two stage or is this determined by only one of
>>> these components?
>> Bob;
>> Your system is a 14 SEER 2.5 Ton Heat Pump. You will need a single
>> stage cool, 2 stage heating thermostat. The second stage for heat
>> is the strip heaters. Look in the instructions that came with the
>> indoor unit. It will show you how to connect your new thermostat to
>> your system. Good luck.
>> And if you find a problem call your local HVAC repair people.
>> They'll help you, but there will be a fee tied to the help. We have
>> bills to pay too.
> Thank you. Is the reason you know that the compressor is a single
> stage because it only has one BTU rating?
> The old thermostat has a single O/B contact whereas the one I'm
> considering buying (White Rogers 1F95-1277) has both an O and a B.
> Currently the orange wire goes to O/B - the changeover relay. If I
> purchase the 1F95-1277, how should I wire O and B?

Geez;

One question at a time. - I know is single stage because it is. A 16 SEER
Goodman is 2 stage, the 14 SEER model is single. The O/B terminal for the
reversing valve on the thermostat you have can be / is programmed through a
menu. The 'cheaper' white rogers thermostat, is not. It is likely your
Goodman is default to Heat, so the reversing valve is active during the call
for cooling, hence 'O' terminal use.

Why don't you just hire a trained professional? If your not sure, it would
be better to hire one now, instead of having them repair failed controls
later.


--
Zyp



Posted by KJPRO on May 11, 2008, 4:00 pm

> I'm looking at programmable thermostats for my heat pump -- Goodman
> GSH14030 compressor and ARUF3030 air handler with a 10kW heat kit.
> I want to determine how many stages of heating and cooling I have so I
> went to the Goodman web site and searched the spec sheets for the word
> "stage" but it was not listed this way.
> Can someone please tell me if this is a single stage system or
> multi-stage? For two stage systems do both the compressor and air
> handler need to be two stage or is this determined by only one of
> these components?


Save yourself time and money and have a competent HVAC tech install a
YTH9421C1002.
As it's obvious that you don't know which one to use, which leads to you NOT
knowing how to hook it up properly. Then there's the programming issue.



Page 5 of 5       << first < 1 2 3
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