"Thermostat Replacement " , posted Mon 28 Jul 09:25:

I have a Lenox CB29M Elite Series Heat Pump, trying to change the thermostat to a new LUX TX9000TS Series (www.luxproducts.com/instructionmanuals.htm)for new one.The old thermostat wiring is as fo ... read more

hemaar

"compressor runs now,but no cold " , posted Mon 28 Jul 00:11

Finally get compressor running but appears not compressing any liquid and the suction side is the same temp as the high side (80 degrees). Could I have and expansion valve problem? How do you isolat ... read more

bpaw

"Peerless Boiler - not consistently lighting " , posted Sun 27 Jul 23:20

I have a Peerless Boiler PDE-130 (propane, hot water forced)that will not consitently ignite. When the thermostat calls, the exhaust fan will go on and the glow plug will glow. The boiler will try t ... read more

onexoney

"SYSTEM NOT BLOWING ANY AIR " , posted Sun 27 Jul 20:40

I have a Haier hvac. It is no longer blowing air the outside unit comes on but the fan will not turn. I used a pair of scissors and the fan started to turn but it only lasted about 30 seconds. ... read more

hotinGA

"compressor not working " , posted Sun 27 Jul 14:04

when i turn my a/c on, the outside unit doesn't respond. no noise from the compressor - nothing at all. i've check the wires for continuity, the contactor is fine, and the run capacitor is within its ... read more

bgoodwin

"Compressor works but not the fan " , posted Sun 27 Jul 12:06

HELP! I'm between a rack and a hard place. I'm going on a business trip on Monday morning and right now it's Sunday morning--hence my 911 needs. I have an older HVAC that probably should hav ... read more

delay275

"switching relay " , posted Sun 27 Jul 11:09

i've narrowed my problem down to the capacitor switching relay, but i can't find it on my unit. i've pulled the covers off, and checked the schematic and it should be here somewhere. does anyone know ... read more

bgoodwin

"Wrong Charge on New Compressor? " , posted Sun 27 Jul 10:16

Recently, our A/C broke. A shorted compressor motor in the outside condenser unit was to blame. It is a Goodman CKL42-1A, which uses a Copeland compressor and we engaged an A/C serviceman who does wee ... read more

shayneb

"armstrong furnace blower not working right " , posted Sat 26 Jul 15:58

When it calls for cooling the motor will come on, but then it stops before the temp. is satisfied. and I smell electrical burn smell. Is it the motor getting to hot and shuting itself off? Could it be ... read more

ricktimm

"outside unit not working " , posted Sat 26 Jul 13:46

i have an american standard, allegiance 14 a/c that was installed in 2005. my unit stopped cooling yesterday. the thermostat and inside blower are working, but one outside unit is not. i've thrown the ... read more

bgoodwin

"How do you post AutoCAD drawings " , posted Sat 26 Jul 12:51

Greetings,Can one post AutoCAD drawings to the site?Is there a tutorial somewhere?Duke?Houston? Does photo bucket require a subscription? $$$$? ... read more

dwcaveney

"Upgrade Thermostat " , posted Thu 24 Jul 22:48

Need wiring diagram for an Old Ruud Thermostat (Model #41-20804-16). I am trying to install a new programmable thermostat (Hunter Model #44860). The A/C unit is installed in a garage workshop and th ... read more

FCT202

"High back EMF " , posted Thu 24 Jul 22:40

I have come across two systems in the last week that the capacitor has blown up. But systems the capacitor was replaced recently. Called manufactor to check that proper capacitor was installed. Both s ... read more

SCTechLex

"Replacing BAY28X138 with W-R 1F83-0471 " , posted Thu 24 Jul 19:41

I'm trying to replace a Weathertron (BAY28X138 I think) on a Trane TWE036C140A1 with a White-Rodgers 1F83-0471.The Old Thermostat terminals areX2OGYTRWBThe ... read more

GPaul

"Replacing BAY28X138 with W-R 1F83-0471 " , posted Thu 24 Jul 19:40

I'm trying to replace a Weathertron (BAY28X138 I think) on a Trane TWE036C140A1 with a White-Rodgers 1F83-0471.The Old Thermostat terminals areX2OGYTRWBThe ... read more

GPaul

"Rheem Condenser motor " , posted Thu 24 Jul 18:53

Hi all, I changed the condenser motor on my neighbors unit today. I got one of those A O Smith all in one motors. It was a real pain lining up the holes on the motor. Is that because I didn't use a mo ... read more

theapprentice

"Suction pressure in a vacuum " , posted Thu 24 Jul 18:04

Brand new commercial unit with a correct charge. Evap fans are running. Selenoid valve seems to be opening. Looking at the gauges and the suction pressure is in a vacuum .Head pressure is about normal ... read more

scuba steve

"rheem rgvh heat and ac inside fan won't run " , posted Thu 24 Jul 10:52:

Had a Rheem unit put in 7 or 8 years ago and last night it quit. I cleaned outside coils as the outside line had some ice or lots of frost on it. Went to start it and the motor in the attic makes a hu ... read more

bookneesac

"Bryant No power to thermostat " , posted Thu 24 Jul 09:17

I have a Bryant Model 650A heatpump with Model FV4A Blower with a TSTAT-0-22 Thermidistat. We lost power for about 3 seconds to the house last night. Now I am showing now poer on the Thermidistat. Fur ... read more

beakerbird

"Superheat " , posted Thu 24 Jul 08:12

Just put in a new unit and Im trying to get the pressures right by checking superheat. Its 85 outside, My suc. presure is at 74 giving me a saturated temp. of 44 on my gage. My suc. line temp. near th ... read more

jeff214

"trane compressor wiring schematic " , posted Wed 23 Jul 18:35

Have a 92 trane 1100 series five ton unit that has a starting problem, Replacing contactor, starting and run capaciators. But need wiring diagram to check leads oncontactor. Also had to rep ... read more

bpaw

"Trane Anticipator Reset " , posted Wed 23 Jul 12:00

I would like to replace my manual mercury switch thermostat with a programmable one for my Trane heat pump. The problem is that I can't find a digital programmable model with the "T" terminal. I kno ... read more

sparkoneus

"Canatal a/c " , posted Tue 22 Jul 22:09

I'm working on a Canatal unit (water cooled). I shut down to do maintenance and when i try to restart the unit the compressor 1 cut on high pressure at 350 and operate about 3 seconds before trip on h ... read more

Frostedguy

"Need to know about reversing valve " , posted Tue 22 Jul 17:05

I have a Rheem RPKA043JAZ heat pump and am about to switch out thermostats. I need to know if my Rheem reversing valve energizes during Heat or dur Cool.AM replacing a White Rodgers 1F58 ther ... read more

poolandgolf

"TRANE AC COIL XE-1000 " , posted Tue 22 Jul 10:56

I have a 13 year od trane heat pump XE-1000 that has a leak at the A-coil ( as referenced in my earlier posts). My service co hasnt localized the leak in 3 attempts but assures me its the coil and it ... read more

Fred97

"HEIL HEAT PUMP ACCUMULATOR LEAKING OIL " , posted Tue 22 Jul 08:43

Anyone know what type oil this unit needs to replace?HEIL Mod No CH5024QKA2Thanks in advance. ... read more

Jack268

"strange reply " , posted Mon 21 Jul 23:41

HiI was having these sent to my email. I got this strange one fromZesillefe that is all garbled. I did open my email. Is it a virus or something and will it infect my computer ? Do I need t ... read more

sues

"questions on new system " , posted Mon 21 Jul 23:40

We have installed a new central air conditioning split system and I am full of doubts. Compared to the window units we used to have, we are getting too much humidity for some of us and all our musica ... read more

learnalot

"Heat Pump Problems " , posted Mon 21 Jul 22:53

I came home from work today and found that the indoor temp had climbed to a "cozy" 85 degrees. Today was definitely a design day, 98 degrees. The indoor fan is running continuously so its still recei ... read more

pmcimaglia

"new thermostat " , posted Mon 21 Jul 20:12

I forgot to mark the wires before I disconnected my White Rodgers thermostat so I have no idea where they were attached. I would think that most colors would match the beginning letter, however I hav ... read more

gatormom94

"plugged piston? " , posted Mon 21 Jul 19:55

i am working on a payne condenser probably about five years old. i am only getting about 50lbs on suction side and about 220 on liquid side. Also gettin very high superheat in the thirties after repla ... read more

tmoney512

"old merc thermo convo to new honywel ct8775c " , posted Sat 19 Jul 23:10

i have a coleman central unit and it works great only prob is i think the themostat is faulty the dog will bump the wall and it will kick on, bump it again and it will turn off. i just bought and repl ... read more

trailerpimpin

"Blower motor location " , posted Sat 19 Jul 13:08

I am trying to help out my sister-in-law with her Lennox G24M3/4-100A-2. From what I have learned, her blower motor is going out on the A/C side. Problem, I do not know where to even find the blower ... read more

JamesVan

"Aux Heat is killing us... " , posted Sat 19 Jul 12:05

I live in Northern Virginia (outside DC) and we have a Goodman HVAC for our upstairs.Our Aux Heat kicked on last night and it felt like flames were shooting out of our ducts instead of nice, c ... read more

jvittori

"Thermostat change from Janitrol to Honeywell " , posted Fri 18 Jul 23:49

I am trying to replace my HPT 18-60 Janitrol thermostat with a new Honeywell RTH6300B.Wire Diagram for HPT 18-60:Y = YellowG = GreenR = RedO = OrangeW2 = WhiteE = B ... read more

sachemgroup

"Cross-reference for Essex 8049 " , posted Fri 18 Jul 18:46

I have an old Wesco furnace, model 21.OMC, and the fan relay has gone bad. The relay is an Essex 8049. I need to know what a modern equivalent would be so I can get a replacement. I suspect a Steve ... read more

jthanson

"Honeywell RTH7500 wiring " , posted Fri 18 Jul 13:17:

I have old thermostat wiring as followsW2 - light brownG - PrupleR - RedX - BlueO - OrangeY - YellowHow can I connect to the new Honeywell RTH7500?Thanks ... read more

kkkdalmation

"Looking for part for Tempstar-No longer made " , posted Fri 18 Jul 11:40:

I am looking for a drain pan for my evarporator coil model # EAA3036SA1, the part number for the drain is 1056665. I talked with a couple a/c places and they say they no longer make the part and ther ... read more

gregs007

"trane x-1000 / only heats! - still need help? " , posted Thu 17 Jul 19:54:

Hi. I have a Trane x-1000. The inside air handler fan would not shut off when the cooling cycle was over while set to Automatic. The compressor would cycle off and on correctly, maintaining the correc ... read more

abdon

"central air doesn't work " , posted Thu 17 Jul 00:05

Hi - My a/c stopped working in hot arizona temps over 110c and am just melting away.My a/c stopped working in the morning yesterday. It is carrier central ac 1998. * The inside blower fan ... read more

sues