Search: Posts Made By: clocert
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11-23-18, 01:18 AM
Replies: 2
Views: 245
Posted By clocert

Thank you for the information, Here is what I...

Thank you for the information, Here is what I really need to know for now. I have worked on the single zone AC for many years (retired 10 years ago), never worked on multi-zone systems. Last month I...
11-21-18, 05:13 PM
Replies: 2
Views: 245
Posted By clocert

Question on single unit central air/Heating system with multi zones

I like to know more about multi zone single unit Central air /Heating system. Can some one suggest a book, or point me to an article somewhere so that I can read and learn all the details. Thanks.
10-09-18, 09:38 AM
Replies: 9
Views: 424
Posted By clocert

Vent pipe--- Gas furnace exhaust pipe, just...

Vent pipe--- Gas furnace exhaust pipe, just wonder in AC mode, if air can be sucked in from a hole of this pipe ? I don't think so, just to make sure.
10-09-18, 09:33 AM
Replies: 9
Views: 424
Posted By clocert

I understand the attic venting issue, but nothing...

I understand the attic venting issue, but nothing else changed except a coil, a section of plenum and 2 sections of air duct. Now even with AC off, no fan, the attic air gets down to the rooms. very...
10-09-18, 08:19 AM
Replies: 9
Views: 424
Posted By clocert

I just found a hole at the furnace vent pipe...

I just found a hole at the furnace vent pipe right outside of the plenum. Can attic air sacked in from here ?
10-09-18, 08:08 AM
Replies: 9
Views: 424
Posted By clocert

What I don't understand is the new section of the...

What I don't understand is the new section of the plenum and the new air duct are all at the cold air side (not return air side), so if those area leaks, it should only blow cold air out, not draw...
10-06-18, 02:11 PM
Replies: 9
Views: 424
Posted By clocert

I knew this problem is AC related. No such...

I knew this problem is AC related. No such problem before a new coil was put in 3 weeks ago, They replaced the coil and also a section of the plenum (some plenum area was rusted out ) and also...
10-06-18, 01:55 PM
Replies: 9
Views: 424
Posted By clocert

AC Plenum and/or air duct leaks

My attic air leaks into the rooms, I checked the plenum (in attic) and duct work many times, but could not find any leaks. All I did was try to feel by hand when AC is on and also visual check all...
06-04-18, 08:27 AM
Replies: 3
Views: 272
Posted By clocert

The model is 24AHA448A-00-300. I assume the board...

The model is 24AHA448A-00-300. I assume the board is Carrier board. The damper problem make sense. I'll double check on that. Thanks.
06-03-18, 11:43 AM
Replies: 3
Views: 272
Posted By clocert

Is it possible to wire a 2 zone system as follow...

Friend of mine bought a house which has a single 4T Carrier 2-zone AC. The house has 2 thermostats, the up-stair one should control up-stair, the down-stair one should control down-stair. The...
05-16-18, 08:31 PM
Replies: 11
Views: 421
Posted By clocert

Check the fuse on the control unit and make sure...

Check the fuse on the control unit and make sure you have 24V on the red and white wire.
05-06-18, 03:42 PM
Replies: 7
Views: 480
Posted By clocert

Whole system install is not a DIY job. Try to...

Whole system install is not a DIY job. Try to shop around and ask as many questions as you can. Current estimates are some where between $5000 and $10000 depends on where you are. Consider one...
05-04-18, 11:19 PM
Replies: 9
Views: 466
Posted By clocert

It is not easy to fix a 'not cool' problem. It...

It is not easy to fix a 'not cool' problem. It can be caused by many different issues. so you may have to call an AC tech to help you.
05-03-18, 10:02 AM
Replies: 19
Views: 1,639
Posted By clocert

I don't really understand what you folks are...

I don't really understand what you folks are talking about. I replaced hundreds of ACs (outside unit) and never heard any kind of permits. Just a condenser replacement. 2 hours work, done. No one...
05-03-18, 09:35 AM
Replies: 35
Views: 955
Posted By clocert

Outside fan problem is common, and it is not hard...

Outside fan problem is common, and it is not hard to fix. $380 should include everything, plus he charged you $70 already.
11-17-17, 02:38 PM
Replies: 8
Views: 472
Posted By clocert

Looks like you need a larger AC unit. ...

Looks like you need a larger AC unit. .
10-26-17, 10:44 PM
Replies: 7
Views: 651
Posted By clocert

Totally nonsense. . these days people(techs and...

Totally nonsense. . these days people(techs and AC firm) are so dishonest. I have seen several cases like this already just the last few weeks.. push, push, push... all they want to do is to sell...
10-19-17, 07:34 AM
Replies: 3
Views: 1,164
Posted By clocert

One more thing to check, if the 240V reaches...

One more thing to check, if the 240V reaches blower terminal, if it does, then replace the blower and make sure you get the correct CAPs.
09-29-17, 07:49 AM
Replies: 5
Views: 505
Posted By clocert

Did you clean or change the filter ?

Did you clean or change the filter ?
09-27-17, 05:37 PM
Replies: 12
Views: 1,553
Posted By clocert

I don't know what else to tell you. it seems all...

I don't know what else to tell you. it seems all of the techs want to sale you a new AC, or at least a new coil (coil + Freon will run you $2000). I can understand they all want to make more money,...
09-25-17, 11:59 AM
Replies: 12
Views: 1,553
Posted By clocert

I am confused. Did you have a water leak or Freon...

I am confused. Did you have a water leak or Freon leak ? If Freon leaks from the coil, yes, you need a new coil. but if only water leaks, then it has nothing to do with the Freon or coil. Whether...
09-23-17, 06:20 PM
Replies: 7
Views: 532
Posted By clocert

New filter should not cause AC problem unless...

New filter should not cause AC problem unless something wrong with the new filter. Put the old filter back or simply run without a filter and see if your AC works. if your AC still does not work,...
09-23-17, 06:05 PM
Replies: 16
Views: 2,008
Posted By clocert

As mentioned, most leak is at the coil, not the...

As mentioned, most leak is at the coil, not the compressor. never heard about 75% full, all nonsense. Since you have ice cold air before the freon leaks out, that indicates your compressor is in good...
09-21-17, 11:44 AM
Replies: 12
Views: 1,553
Posted By clocert

Hard to believe every ACtech wants to sell you a...

Hard to believe every ACtech wants to sell you a new AC. Water leaking is common as mentioned, most of the leaking problem can be fixed easily. So find the problem first and then decide what to do,...
09-08-17, 11:47 AM
Replies: 10
Views: 4,485
Posted By clocert

I suggest you call a couple of other AC techs to...

I suggest you call a couple of other AC techs to price the repairs. Part warranty does not mean cheaper at end.
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