Anyone an HVAC tech? need help - Ford Powerstroke Diesel Forum

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post #1 of 10 Old 05-22-2009, 04:43 AM Thread Starter
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Anyone an HVAC tech? need help

I have an old York unit, 16 years or so, 2.5 or 3 ton. All electric with heat pump. I will be replacing it this fall, but for now..

nine times out of ten the blower never shuts off. i am aware of the 1 to 2 min flush cycle with heat, but its never done that with AC. this used to just occur with the heat, but now its happening with the AC as well. the blower will run forever unless i shut it off by toggeling the fan switch between Auto and On several times. I have already replaced the thermostat, so doubt thats the issue. any suggestions would be great!

Thanks all!

-Matt

Late 99 (2/99) Black F250, CC LB 4x4 Lariat 214k. All Stock for the moment...

1995 PSD, ext cab, one wheel wonder , 297k miles, 30k on wvo. totaled 5/8/11 RIP This truck is for sale as a parts truck (Jason is about to receive forged rods, and drop kick his PMR's)
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post #2 of 10 Old 05-22-2009, 04:47 AM
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post #3 of 10 Old 05-22-2009, 04:52 AM
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I'm not real familiar with heat pumps, as they don't get used here very often, but I assume it uses a temp sensor/fan cycle switch to end the 'flush' cycle. Is it possible that it is going bad? You can jump the sensor out when you're having issues with the fan shutting off, after jumping it out, the fan should shut off. Do this at your own risk, there will be power at the terminals. I do this stuff for a living, so I'm used to it . This may not even be part of the system, but that's the only way I could see it cycling from heat to cool, being that old.

Or it could be as easy as some bad cork tape around the cap tube from the fan cycle switch


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
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post #4 of 10 Old 05-22-2009, 07:31 AM Thread Starter
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ok thanks guys! ill pm supertech!

-Matt

Late 99 (2/99) Black F250, CC LB 4x4 Lariat 214k. All Stock for the moment...

1995 PSD, ext cab, one wheel wonder , 297k miles, 30k on wvo. totaled 5/8/11 RIP This truck is for sale as a parts truck (Jason is about to receive forged rods, and drop kick his PMR's)
DB high torque starter
DIY 6637
Marinco Mod
DIY Electric fuel w/ wvo conversion

"A clean house is a sign of a mis-lead life."
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post #5 of 10 Old 05-22-2009, 07:33 AM
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I'd like to hear what you find, if you don't mind


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
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post #6 of 10 Old 05-22-2009, 10:25 AM Thread Starter
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will do, if i find anything, id like to fix it but may just deal with it until its replaced...

from what i hear these yorks are crap.

-Matt

Late 99 (2/99) Black F250, CC LB 4x4 Lariat 214k. All Stock for the moment...

1995 PSD, ext cab, one wheel wonder , 297k miles, 30k on wvo. totaled 5/8/11 RIP This truck is for sale as a parts truck (Jason is about to receive forged rods, and drop kick his PMR's)
DB high torque starter
DIY 6637
Marinco Mod
DIY Electric fuel w/ wvo conversion

"A clean house is a sign of a mis-lead life."
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post #7 of 10 Old 05-22-2009, 12:02 PM
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York has been around for a long time. Their package units aren't worth a chit though


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
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post #8 of 10 Old 05-22-2009, 12:12 PM Thread Starter
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Quote:
Originally Posted by 2006PSDSD View Post
York has been around for a long time. Their package units aren't worth a chit though
im sure thats what this was. it was put in with the entire subdivision when it was built.

-Matt

Late 99 (2/99) Black F250, CC LB 4x4 Lariat 214k. All Stock for the moment...

1995 PSD, ext cab, one wheel wonder , 297k miles, 30k on wvo. totaled 5/8/11 RIP This truck is for sale as a parts truck (Jason is about to receive forged rods, and drop kick his PMR's)
DB high torque starter
DIY 6637
Marinco Mod
DIY Electric fuel w/ wvo conversion

"A clean house is a sign of a mis-lead life."
ridiculously_necessary is offline  
post #9 of 10 Old 05-22-2009, 12:16 PM
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By package unit, I mean commercial built units, but they could all be that way. I have inly worked on commercial units though. Didn't have many issues with them out at Coors, but some of the ones I installed at the other job were not as good. Just electrical issues, nothing mechanical


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
2006PSDSD is offline  
post #10 of 10 Old 05-24-2009, 01:44 PM
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to me personally, York is Crap. Hate working on them almost as much as a Lennox!

It sounds like you have a fan relay sticking, or it may actually be something to do with some shorted wires. It would be easier tyo diag if I had some more info. I dont have a computer at the house as my laptop fried itself. So, if you want to you can call me at 828-768-0403. I can try to help ya that way.


Thanks for the Referral Dave!!

Nick
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"The Mistress"
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Custom Tuned by Bill@PHP, Tony Wildman@Total Diesel Performance and Lars@Gearhead



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