NX4510 HST Cab A/C issue

   / NX4510 HST Cab A/C issue
  • Thread Starter
#11  
Cool! :)

I'm not sure why the kit wasn't installed at the factory. Seems like it'd be a factory default.

Winters are not as harsh in South Korea, but the tractor was assembled in the U.S though. I am also thinking of a 12 volt fan plugged into the outlet in the tractor to help with air flow and fogging. Hope you get your hydraulic issue sorted out soon.
 
   / NX4510 HST Cab A/C issue #12  
Threepoint, I have a 2018 model. I'm not sure there was a bad production run, but the kit was called a control assembly "upgrade" by the corporate Kioti tech.

Mine is a 2017 and had to have the kit installed. I had same issue- no heat if you needed to dehumidify in winter.

The kit isn't an add-on, it's a fix. Its a control reroute on the blend and new control panel replacement.
 
   / NX4510 HST Cab A/C issue
  • Thread Starter
#13  
Well, since dealer came and looked at A/C, it hasn't acted up. I think maybe I wasn't keeping the fins clean enough on the condenser. It looked clean, but getting all the crud out from the fins will require a long extension for the air compressor. Have since bought that extension and no problems so far. Waiting for the kit that will allow heat while the A/C is on.
 
   / NX4510 HST Cab A/C issue #14  
Sounds like progress.

What extension wand did you get?
 
   / NX4510 HST Cab A/C issue
  • Thread Starter
#15  
Sounds like progress.

What extension wand did you get?

Got a 36 inch wand from Canadian Tire. Can reach in behind condenser easily and clear out crud with ease. Was blowing at an angle, and wasn't getting it all. Just need to be careful not to bend the fins. My B7800 obviously didn't have A/C and rad was pretty easy to clear out. Couldn't believe (and was embarrassed) by what came out when dealer was there. Told him it was 'clean'.
 
   / NX4510 HST Cab A/C issue
  • Thread Starter
#17  
Thanks Eric. Got a wand similar to that. Makes a big difference getting in behind to clear out dust and debris.
 
   / NX4510 HST Cab A/C issue #18  
Got a wand for the same purpose from Northern Tool. Has three holes I think on one side. Allows me to get in between just about everything and blow it out. It always amazes me how much stuff these tractors suck in!
 
   / NX4510 HST Cab A/C issue #19  
The also have Air Combs available.
 
   / NX4510 HST Cab A/C issue #20  
Got a 36 inch wand from Canadian Tire. Can reach in behind condenser easily and clear out crud with ease. Was blowing at an angle, and wasn't getting it all. Just need to be careful not to bend the fins. My B7800 obviously didn't have A/C and rad was pretty easy to clear out. Couldn't believe (and was embarrassed) by what came out when dealer was there. Told him it was 'clean'.

For anyone searching this issue, just wanted to weigh in, this is almost always the problem. I've had the "hot air" issue in my NX several times, every single time it was too much crud in the fins. Couldn't see it, but when I blew it out.. Well, lots of crud came out and the AC worked fine again. Seems this tractor is relatively sensitive to crud on the AC coil, more so than expected (for me). Just blow it out first, that's likely the problem and it's an easy fix. The compressor will engage and disengage quickly if your fins are plugged, seems to spin up, start to cool, then shut right back down (probably because it's too hot). Anyway, it's an easy fix, so that's good news (except the last time it happened I was 2 miles from the house/air compressor and it was a solid 98 degrees out, nothing like a cab with no AC to give you a nice case of heat stroke).
 

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