Air Conditioning Unit Maintenance & Re gassing

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cbranscombe
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Air Conditioning Unit Maintenance & Re gassing

Post by cbranscombe »

Hi
One of my Samsung A/C units has started to blow out warm air not cold. I think it needs re gassing and probably a service. Can anyone recommend someone in Hua Hin who is competent, reasonable and can speak English?
Thanks,
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crazy88
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Post by crazy88 »

We have started using central air next to the vets on the klong road where the traffic lights are .We have been pleased so far .Mainly new installations but they serviced one at my place including a burnt out motor part for 2500 baht plus emptying my fridge of soft drinks at my invitation .Not sure on the English level but they certainly seem to be efficient enough to grasp problems .Mai lom yen,lom LAWN !!! with a smile will point them in the right direction if accompanied with some hand gestures .

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Post by Nereus »

http://hhbd.net/hua-hin-property-land.htm

Nut Air Service Ltd. 089 259 7692

Speaks fluent English. :cheers:
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Post by PeteC »

We've started getting ours cleaned every six months. Inside and outside includes vacuum of interior unit guts and filter clean, outside unit the cover is removed and a light pressure washing is done on the fins and other external parts. They also top up the gas and test all. Takes about 30 minutes a unit and costs 400 baht per unit over here in Rayong. Since the last cleaning we've seen a difference in performance and noise. Don't know about the electric bill yet. However, I think this routine will avoid total breakdowns and find small problems before they become large. Pete :cheers:
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Post by lomuamart »

Like you, Pete, we get our one unit serviced every six months for 500 Baht. The serviceman always make a point of showing us how dirty it is inside. The unit runs much cooler afterwards but I never see much difference in the electricity prices. Then again, it would only be a matter of a few hundred Baht.
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Post by miked »

to clean the filters is such an easy job why not do it yourself.? should be done every 6 months.
re gas is different but this should only need doing every 3- 5 years.
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Post by lomuamart »

miked wrote:to clean the filters is such an easy job why not do it yourself.? should be done every 6 months.
re gas is different but this should only need doing every 3- 5 years.
miked
I probably didn't explain it properly. The technician takes the outside unit apart - nut and bolts and all. I'm certainly not going to mess about with that.
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Post by miked »

about six bolts. takes no time.
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Post by lomuamart »

OK. I'm pretty sure that if I tried it something would go wrong. So 500 Baht every 6 months or so dosn't go amiss.
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Post by Rob W »

When you rent a place in Singapore it is always in the lease to get the aircon serviced at least 3 times in a 1 year lease most companies doo a 4 visit package over a year. One of the first signs of it needing doing is black fugus on the coils on the internal unit this is mold and not nice to have in the room, also the aircon may start to spit water out this is the drain line being blocked with gunk.
Definatly worth getting a company to service it unless you can get hold of the chemicals to clean it yourself ( nasty stuff , it etched into our granite worktops)
The filters should be cleaned offten anyway and are a DIY job.

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Post by PeteC »

Actually, the easy to reach filters on the inside of the internal unit cover are supposed to be cleaned every two weeks, per Trane and Daikin. We do that part ourselves about every month. Pete :cheers:
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Post by cbranscombe »

Hi thanks for the responses,

I clean my filters every month and don't find this an erroneous or difficult task. I am looking for some assistance with a local Hua Hin A/C engineer who can maintain & repair. Are there any others apart from crazy88 and Nereus' recommendations?

Thanks
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Post by Nereus »

lomuamart wrote:OK. I'm pretty sure that if I tried it something would go wrong. So 500 Baht every 6 months or so dosn't go amiss.
Quite right Lomu. Like other electrical equipment, if you do not know what you are doing, don`t mess with it.

In a past life I used to service air cons, and install them for that matter. There is no hard and fast rule about how often that they should be serviced. It depends on the running hours, and more so on the environment that they are working in. In very dusty and polluted "Bangkok" conditions they will obviously need more regular servicing. Vacuuming the evaporator coil (room half of the system) does not really remove the build up of crud as it tends to stick to the tubes and fins. It really requires a chemical detergent type cleaner to remove it. Most filters that are supplied with new air cons are pretty much a compromise, and if you have really bad conditions they should be replaced with some after market foam type of material.

All modern domestic type split air cons have a hermetically sealed compressor, and should never lose the gas charge. If they do it will be caused by a poor connection somewhere and needs to be repaired and leak tested before re-charging. There are other components in the system, such as capacitors, starting relays, the expansion valve, a filter / drier, etc., that can all give trouble regardless of how often a system is serviced. The air moving fan inside the room unit really needs to be completely removed, again depending on conditions and usage, to clean it properly. Worn bearings in this part will cause excessive noise eventually.

This is a bit like the swimming pool debate. "Just throw a bag of salt in every 6 months". To get the best use out of either of them, you need to know what you are doing, and if you have a contractor doing it for you, then you also need to keep a close watch on them, and have some idea about the subject to avoid being ripped off. :cheers:
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Post by norm »

I take being retired very seriously, I don't do anything unless it sounds like fun or is something I want to do.

Gave up the challenges of fixing things myself when I moved to Thailand. The wife feels the same way, although she does dishes on most Sundays, the housekeepers day off.

But she is younger than me so it seems only fair. :cheers: :cheers:
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Post by hhfarang »

I'm with you Norm. The most work I do on the average day is to climb the stairs to go to bed at night. If I could get someone to carry me up those, I probably would! :D

I'm on a retirement visa and it says I can't do any work... I take that to mean work around the house too... :D :D
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