Portable Air Con Issue

Que

Que

Que

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Joined
21 May 2020
Posts
7
Hi all,
Newbie to posting on OC, but have always got answers to other quirky queries in my head on OC. Hoping to get an answer to my latest 'mishap' ;) (i'll fill yer in with the whole story, not that we've got anywhere to go :D)...

Here goes:
we have two portable aircons and have always had them close to the window using the original (short) ducting provided. we decided to redecorate and shift the furnishings around and thought why don't we move the units to a more permanent and neater location(I did read/hear somewhere that you're not supposed to use longer extractor pipes, but never got into googling why and at the time didn't think of checking it either)...so we thought what can go wrong :rolleyes: its only a longer pipe (!) we went for it....

...piping looking all neat an tidy now, plugged in the units, they worked fine (me smug with my workmanship, the boss happy)

...it didn't last, day 3 on both units i notice the temp not going down as quick as it used to, checked for any blockages, cleaned the filters, no improvement...sods law the warranty had just expired a month ago on both! We kept them off for a day to let them reset

day 4, both units now non-functional. On one i can hear what sounds like the compressor constantly clicking on and off. On the other the compressor isn't even turning on now.

now that the damage has been done i'm frantically googling, to no avail. But I do come across many people saying your not supposed to extend the length of the piping supplied but no one is saying why they just say take it to an air-con specialist (and none of them are UK based answers).

so my questions are:

1. Was it my extended piping that screwed up the internals?

2. (just for knowledge and to save someone in the future) if so how?

3. I'm guessing not, but can i do a diy part-replacement jobby?

4. Does anyone know of any reputable 'local' air con specialists in and around Birmingham?

Thanks a bunch in advance.
 
When you moved them did you leave then to settle before turning on, the one that's clicking on and off sounds like the overheat cut out on compressor motor because compressor is seized.
Do you have a make and model?
 
Does the unit have a wiring diagram on the side?

Some models may have a HP switch which needs to be manually reset.

As what Mr.Cookie mentions it could be the compressor klixon also it could be a bad starting capacitor.
 
Thanks for the prompt response,
They were both left in the same room but no I didn't wait after plugging everything in, just turned em on.

The one clicking is an amcor kf10000e
The one not doing anything, not even blowing air from the exhaust is a blyss wap-12ea26

I can't see any wiring diagrams on the outside, guessing they're inside, which means I'll have to open them without breaking any clips etc... Will post back with the diagram when I've opened them.

In the meanwhile are the model numbers any help?
 
If the back pressure is too great, I.e. by extending the hose further than recommended then you create two conditions, the unit can't exhaust the heat from the compressor effectively causing it to overheat, secondly the unit keeps working because the room temperature isn't dropping, overworking the compressor.

So in all likelihood the compressor is shot.
 
norm said:
If the back pressure is too great, I.e. by extending the hose further than recommended then you create two conditions, the unit can't exhaust the heat from the compressor effectively causing it to overheat, secondly the unit keeps working because the room temperature isn't dropping, overworking the compressor.

So in all likelihood the compressor is shot.
Click to expand...
Oh bugger, is there any continuity test I can do once I've got the thing open?

I'm hoping it's just a blown relay or summit :(. I'll get them opened up as soon as I can and will post the wiring diagram (if any)

Thanks
 
If it's a standard compressor you can remove the starting device and measure continuity of start and run windings, only three pins and any pair should give a read. It is very rare for a compressor to go open circuit though in my experience. (I'm only domestic refrigeration r600a and not f gas, although I used to do 134a).
 
I had one of mine with a very long pipe all last summer, no issues. It was strange as my parents gave it to me not working, left it for a few months over the winter, turning it on with just the fan, and it started working, then lasted all summer (not as good as my others but definitely cold air coming out of it).

Try leaving it for a few days, I remember I did place it on its side for a few minutes, then the other side, then left it for a week or so the right way up as it was something I did to get a motorhome fridge working again, so that may be worth a go before you take it apart??
 
@Mr.Cookie who am I to argue with a pro, I won't be going down that route but will get a wiring diagram pic of each

@TBirdUK Will try that on its side trick, as for not using them, they've been dead for almost a month now, just my lazy ass is asking Now
 
A lot of these portable units dont seem to last very long. We've got one that will only turn the compressor on now if the unit is set to the right program when switched on from the mains. If it's set to just fan mode and then you switch it to air con mode while on it won't do it.

I thought it had properly died last year but leaving it unplugged overnight got it working again, dont hold out much hope for this summer :o
 
just had a quick look through the user manuals, did you tip the one that's not working working over at all, user manual says for not starting it could be condense tank full.
I'm assuming it has some sort of float switch which could be stuck in full position but i'd also think it's tank full warning would be on, just something to check.
 
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