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DIY Home Repair Forum: HVAC 04-19-2012, 10:48 AM
Replies: 4
Views: 707
Posted By thermalmedics
In January the EPA mandated a 45% reduction in...

In January the EPA mandated a 45% reduction in future production of R-22 in line with the scheduled phase-out. Prices immediately doubled nationwide.

Sad to see it happen because I think 22...
DIY Home Repair Forum: HVAC 04-10-2012, 10:08 AM
Replies: 5
Views: 1,459
Posted By thermalmedics
anyone coming across this problem can refer to...

anyone coming across this problem can refer to these videos on low voltage and high voltage troubleshooting at the contactor

you tube vid high voltage

http://www.youtube.com/watch?v=ZArkm-OkF0g...
DIY Home Repair Forum: HVAC 04-04-2012, 03:17 PM
Replies: 4
Views: 422
Posted By thermalmedics
thats right on. the aluminum is the outer shell...

thats right on. the aluminum is the outer shell with copper piping inside where the pressure is. take a look at this a coil in the video here

http://www.youtube.com/watch?v=dkbsuo6w5aI

you...
DIY Home Repair Forum: HVAC 03-30-2012, 10:09 PM
Replies: 5
Views: 3,415
Posted By thermalmedics
that's good advice back in the day we were told...

that's good advice back in the day we were told to hawk those like crazy. I always hated it because it was a way to generate more service calls for the company. Now I just teach people how to check...
DIY Home Repair Forum: HVAC 03-30-2012, 09:56 PM
Replies: 6
Views: 3,181
Posted By thermalmedics
check this

along with that great advice I would rule out the thermostat and low voltage wiring issues.

1. pull the thermostat cover off of the wall. touch red to green wires together. does the blower...
DIY Home Repair Forum: HVAC 03-30-2012, 09:47 PM
Replies: 3
Views: 1,334
Posted By thermalmedics
So the outdoor fan motor will not come on in...

So the outdoor fan motor will not come on in cooling or heating right? kok328's advice is right on.

1. I would pull power to the outdoor unit - you tube vid on how here-

2. with stick or...
DIY Home Repair Forum: HVAC 03-24-2012, 07:45 AM
Replies: 5
Views: 3,415
Posted By thermalmedics
can be frustrating

There are a lot of DIY friendly A/C fixes and there are some that just flat out need a professional. At least you wont ever have that problem again and have to pay through the nose!!

I got into...
DIY Home Repair Forum: HVAC 03-22-2012, 01:26 PM
Replies: 5
Views: 3,415
Posted By thermalmedics
check on the ask me help. gotcha some info

check on the ask me help. gotcha some info
DIY Home Repair Forum: HVAC 03-14-2012, 02:56 PM
Replies: 6
Views: 356
Posted By thermalmedics
try the door trick

this door trick is a useful way (http://phxheatpump.blogspot.com/2012/02/how-do-i-know-i-have-duct-leak-old-door.html) I find to narrow the leak down to a return or supply line. If there are...
DIY Home Repair Forum: HVAC 03-08-2012, 08:22 AM
Replies: 2
Views: 455
Posted By thermalmedics
details

1. do you have a split system (http://www.thermal-medics.com/a-c-image-glossary/)or package unit (http://www.thermal-medics.com/a-c-image-glossary/)on the rooftop (im thinking you referred to a...
DIY Home Repair Forum: HVAC 03-08-2012, 08:07 AM
Replies: 4
Views: 284
Posted By thermalmedics
be sure there is not a leak

If you are just starting to notice the dust and insulation in the home I would definately rule out a duct leak.

Since the unit is new there is a possiblity that a leak developed during...
DIY Home Repair Forum: HVAC 02-29-2012, 09:24 AM
Replies: 8
Views: 1,181
Posted By thermalmedics
would work

The motor will probably work ok for awhile. Just curious why you dont replace it with an actual blower motor?

The two motors are cooled differently via airflow. Blower motors have openings on...
DIY Home Repair Forum: HVAC 02-28-2012, 12:56 PM
Replies: 8
Views: 1,181
Posted By thermalmedics
couldnt be the metal grinding

its not the metal grinding from the squirl cage fan is it? ive heard a lot of godawful and that is definately one you dont forget.

once the blower motor gets up to speed maybe the inner squirl...
DIY Home Repair Forum: HVAC 02-28-2012, 09:51 AM
Replies: 8
Views: 1,181
Posted By thermalmedics
short version

Steve,

sorry, short version not the novel...

remove squirrl cage assembly and it all slides out
DIY Home Repair Forum: HVAC 02-28-2012, 09:31 AM
Replies: 8
Views: 1,181
Posted By thermalmedics
blower motor

After pulling power to the air handler discharge the run capacitor for the blower motor. Just use and insulated screwdriver and touch both terminals WHILE HOLDING INSULATED HANDLE.

TAKE PICS OF...
DIY Home Repair Forum: HVAC 02-26-2012, 09:13 PM
Replies: 13
Views: 3,790
Posted By thermalmedics
Sweeeeeeeeeeeeeeeeeeeeeeet!!!

Score one for the good guy!!!!!!!!!!!!!!!!!!!!!

Nice job dude
DIY Home Repair Forum: HVAC 02-26-2012, 10:08 AM
Replies: 9
Views: 411
Posted By thermalmedics
how bout the leak

So how bout the leak? Did it all blow out at the compressor when the wire set blew out. that is some serious meltage on the compressor housing. I have seen hard start kits hooked up to locked up...
DIY Home Repair Forum: HVAC 02-20-2012, 07:29 AM
Replies: 13
Views: 3,790
Posted By thermalmedics
fun times

This is where things get fun. I have seen a ton of this crap by home warranty companies.....

here are a few questions to ponder aloud with the home warranty co.

1. They 'covered' the unit...
DIY Home Repair Forum: HVAC 02-12-2012, 09:08 PM
Replies: 13
Views: 3,790
Posted By thermalmedics
dyes work

yes there is some dye type stuff you can dump in and look for. If it is leaking that much than it shouldnt take anyone too long to find it out. Dump whats left of the charge and fill it with...
DIY Home Repair Forum: HVAC 02-11-2012, 09:42 AM
Replies: 13
Views: 3,790
Posted By thermalmedics
hot compressor

If the tech ohmed out the compressor when it was hot it would show an open (IP) or internal protection that it has to stop it from burning up. Often like DIY Mike says many compressors are condemed...
DIY Home Repair Forum: HVAC 02-10-2012, 10:12 PM
Replies: 9
Views: 2,149
Posted By thermalmedics
check wiring as well

I have seen a few repeat transformer problems that are caused by stripped wiring or bad connections. Copper wire will heat up and start drawing current and smoke a 24v secondary side of the...
DIY Home Repair Forum: HVAC 02-10-2012, 11:16 AM
Replies: 4
Views: 635
Posted By thermalmedics
blower motor

If you are getting functionality with the other elements of the system. Exhaust motor, T-stat operation etc then I would be looking at the blower motor and run capacitor.

After disconnecting...
DIY Home Repair Forum: HVAC 02-10-2012, 09:58 AM
Replies: 2
Views: 453
Posted By thermalmedics
DIY advice

You mentioned how can we trust them?

I am in Phoenix and have worked as an HVAC service tech doing all of it. I now work as a consumer advocate in the field.

#1 many companies pay service...
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