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heat floor

Floor heat
#1
The control for the floor heat of my 1998 Newell is no longer available on the market. Any suggestions on how to solve issue.                Paktronics. Part # P14A0318440. 7135037.
CD & Natania
1998 M45 Newell Coach
500 Detroit Series 60
2018 RAV4 on a Tow Dolly
#2
What is wrong with it?. I believe there are people who can repair the board..
1993 Newell 45' 8V92,towing an Imperial open trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '13 Grand Cherokee.
#3
If you need your Paktronic unit tested or repaired

 1-336-969-0110.
Guy & Sue
1984 Classic 40' #59
#4
Hello,
Where is your Paktronic unit located on your coach?  Do you have a picture?  Reason I ask is my floor heat trips the AC breaker.  From what I understand I may have a short in the heating element somewhere.  It would be nice if it was just the unit with the issue.

Thanks,
Steve
Steve & Doris Denton
45' Newell #525, Bath & Half
2014 Honda CRV Toad
#5
All,
Back to troubleshooting our electric floor heat.  Found the Paktronic unit.....its the actual Nuheat thermostat unit.  So my problem is this, the floor heat breaker will trip when I turn either thermostat up to command floor heat.  The breaker will stay set as long as I don't ask for any heat on either unit.  Several questions come to mind here;
  • Is the master bath floor heat loop connected to the kitchen floor heat loop in some way?
  • Is there a place to disconnect and ohm out the floor heat loops?
  • In the master bath, is the engine trap door heated with the floor heat system?
  • If so, where would the connection be?
  • Is there a way to test the Paktronic unit?
  • Is it possible that both Paktronic units are in need or rebuilding?
Thank you all in advance for the help.

Steve
Steve & Doris Denton
45' Newell #525, Bath & Half
2014 Honda CRV Toad
#6
I know the answer to one of your questions. The engine access hatch does NOT have connections to the heating loops.

What happens if you ohm the loop at the controller?
Richard and Rhonda Entrekin
99 Newell, 512
Subaru Outback Toad
Inverness, FL (when we're home Cool )
#7
Thanks for the info on the engine hatch as i had suspected there might be a problem there from the last time it was removed. I will check out the loop later today and once the controller is disconnected i will ohm it out as well.
Steve & Doris Denton
45' Newell #525, Bath & Half
2014 Honda CRV Toad
#8
Richard,
Ohmed out the loops with the following results;
  • Front checked out @ 34.5 ohms
  • Back checked out @ 18.5 +-
Without knowing what the spec is supposed be I downloaded the attached mat specification sheet which gave the readings for the different sized mats.  Without knowing the size of the mat you pretty much have no idea what it is supposed to be.

While disconnecting the controller I came across an ohm reading notation written on the inside of the double gang electrical box (pics attached).
  • Front supposed to be 35.5 ohms...the tolerance is +- 10% so that at least checks ok
  • Back supposed to be 66.5 so a reading of 18.5 ohms is out of tolerance.
Then off to checking for a short to grounds
  • Front had a high resistance "fluctuating" ohm reading
  • The back pretty much a solid short to ground.
Doing some research the newer NuHeat T-stats have a built in GFIC.   Could not verify if the Paktronic unit we use has a built in GFIC circuit or not....but most likely it does.  That being the case, older GFIC are prone to failure and could explain the possibility of both Paktronic units being bad given the same age. Just for grins, I swapped the back Paktroic to the front to see if I could get at least the front working with no help.  From a previous house wiring problem I had I know GFIC will trip with a High resistance ground under load.  but will seem to work fine with small loads.

Calling all the dogs back on the porch with this....looks like I have a shorted mat in the back and possibly a mat problem in the front.  Along with suspect Paktronic units/GFIC.  Looks like we will be enjoying cold floors till we remodel:-)

Steve


Attached Files Thumbnail(s)
           

.pdf   nuheat-ds-h60111-mat-en-1805-web.pdf (Size: 345.82 KB / Downloads: 0)
Steve & Doris Denton
45' Newell #525, Bath & Half
2014 Honda CRV Toad


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