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Where do I buy a PTCR for a split AC? #4471357
07/26/17 08:21 PM
07/26/17 08:21 PM
Joined: Jun 2014
Posts: 1,968
IL
Vern_in_IL Offline OP
Vern_in_IL  Offline OP
Joined: Jun 2014
Posts: 1,968
IL
My PTCR in my Nordyne Central Air Conditioner Model NS6QD-036K blew... I think the AC was short cycled during last thunderstorm.


Where do I get one of these? I checked the compressor and it checked good. The cap checks good, the PTCR was overheating and shorted out the low voltage call line from the main indoors unit and blew it's 3 amp fuse. The fuse was blowing when I called for AC, and then I found the blown PTCR in the outdoor unit that melted into the low volt line.. The AC HV line breaker had not thrown.

Last edited by Vern_in_IL; 07/26/17 08:25 PM.
Re: Where do I buy a PTCR for a split AC? [Re: Vern_in_IL] #4471370
07/26/17 08:45 PM
07/26/17 08:45 PM
Joined: Jun 2014
Posts: 1,968
IL
Vern_in_IL Offline OP
Vern_in_IL  Offline OP
Joined: Jun 2014
Posts: 1,968
IL
From what I'm reading I can install what is known as a Hard start kit, install in parallel with the run cap. in the same config. as the PTCR, thoughts?

Last edited by Vern_in_IL; 07/26/17 08:46 PM.
Re: Where do I buy a PTCR for a split AC? [Re: Vern_in_IL] #4471373
07/26/17 08:51 PM
07/26/17 08:51 PM
Joined: Feb 2010
Posts: 4,838
Central Texas
sleddriver Offline
sleddriver  Offline
Joined: Feb 2010
Posts: 4,838
Central Texas
I advise a quality HSK that uses a relay to remove the start capacitor from the ckt once the RPMs are high enough. Installed one on my unit a few decades ago.

Re: PTCR, you may find one locally, however not all distributers will sell OTC. Check WW Grainger also.


1998 Volvo V70 T5 228,880 mi. Original Owner.
M1 10W-30 HM
"It's never a mistake to buy tools, defined broadly. They're not a cost, they're an investment." - J.B. Peterson
Re: Where do I buy a PTCR for a split AC? [Re: sleddriver] #4471692
07/27/17 08:22 AM
07/27/17 08:22 AM
Joined: Apr 2015
Posts: 66
Saint John,IN
Highboy Offline
Highboy  Offline
Joined: Apr 2015
Posts: 66
Saint John,IN


2006 Scion tC PP/Denso
2008 Scion tC MaxLife/Fu
2008 Toyota Highlander Pennzoil Ultra/ Oem filter
2012 Hyundai Sonata Castrol Magnatec 5w30 /Oem filter
Re: Where do I buy a PTCR for a split AC? [Re: Vern_in_IL] #4472927
07/28/17 10:32 AM
07/28/17 10:32 AM
Joined: Mar 2013
Posts: 911
Florida
laserred96gt Offline
laserred96gt  Offline
Joined: Mar 2013
Posts: 911
Florida
What year is that a unit? I don't remember last time I saw a PTCR in a unit,most condenser just have a run cap now days. A hard start would help.


96 Mustang GT: Castrol Edge 5w50
04 E-150, 4.6, 226K, PU 10W30.
11 Camry 2.5, 60K, Castrol Edge 0W20.

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