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Thread: Daikin split compressor noise
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12-01-2010, 03:11 AM #1
Daikin split compressor noise
What sound is the compressor suppose to make when it is operating?
Is it a high pitched whine sound? like "eeeeeeeeeeeeeeeee"
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12-01-2010, 08:08 AM #2
Re: Daikin split compressor noise
Hahaha......i have one that goes......boom de boom de boom de boom!
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12-01-2010, 11:50 AM #3
Re: Daikin split compressor noise
I take it this is an inverter type.
how old ?
gas type?
etc
as long as it dont go zzzzzzzzzzzzzzzz think you will be ok
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12-01-2010, 10:01 PM #4
Re: Daikin split compressor noise
It's a few days old, Daikin FTXS80H H series 8kw. It uses R410A. Having another listen it makes a sssssssssssss hissing sound I can hear from 3 floors down where I check my mail. After about 5 hours the sound stops, which I take it means it has cooled the lounge room down to the set point temperature.
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12-01-2010, 11:49 PM #5
Re: Daikin split compressor noise
Hi CTN, im guessing its quit warm were you are at the moment?
Sounds normal to me my friend.
If it is hot there, then leave it on over night at a reduced temp so it doesnt have to work so hard.
regardsLast edited by croc1774; 12-01-2010 at 11:51 PM.
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13-01-2010, 12:04 AM #6
Re: Daikin split compressor noise
At my parent's place, there's 2 splits and they are no where near as loud, you have to listen closely to hear it.
The temp's here are ok, last night was about 27deg when I tested it.
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13-01-2010, 12:39 AM #7
Re: Daikin split compressor noise
if i stand correct outdoor unit should be a max of 68 (dba)
Did you install it or did you get a contractor in ?
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13-01-2010, 12:49 AM #8
Re: Daikin split compressor noise
A contractor installed it.
From the spec sheet from Daikin's website.
Outdoor Sound LevelCool (dBA)54/51Heat (dBA)54/51EPA Sound Power LevelOutdoor (dBA)68
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13-01-2010, 10:42 AM #9
Re: Daikin split compressor noise
Its normal,,,,,its a Daikin.
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14-01-2010, 05:31 AM #10
Re: Daikin split compressor noise
It sounds like it's coming from the fan.
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14-01-2010, 12:14 PM #11
Re: Daikin split compressor noise
Try turning off (power )to outdoor unt and rotate fan by hand to see if catching on something. Pls turn off power first.
Best thing i think you can do is ask contractor back to investigate. If its a new system should be under warranty, apart from labour!Last edited by croc1774; 14-01-2010 at 12:34 PM.
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14-01-2010, 06:46 PM #12
Re: Daikin split compressor noise
I had a look at an ftxs71 inverter condensing unit the other day, with a sound similar to what you described, turned out to be coming from the main pcb - still works ok just noisy. Apparentley has been noisy for months.
Andy
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19-01-2010, 02:59 AM #13
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19-01-2010, 01:09 PM #14
Re: Daikin split compressor noise
turn it it off and get contractor back to take alook.
it shouldnt be that loud.
regards croc
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19-01-2010, 10:04 PM #15
Re: Daikin split compressor noise
yep, more than 15m
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20-01-2010, 12:55 AM #16
Re: Daikin split compressor noise
The whistling sound could well be the PWM switching of the inverters or the mains harmonic filters. Usually this noise level is low and only audible if near the unit. If it is loud then (WITH due respect and care of the DC voltages present) try to find which part is the impertinent noise maker: the compressor, the inductor, or parts of the filters... Then decide what to do! High frequency noise can usually be dampened more easily than low frequencies. Try a used compressor jacket or similar with due care to not touch components, or allow condensation drips to occur on PCBs (a circuit killer).
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21-01-2010, 12:58 AM #17
Re: Daikin split compressor noise
Turns out it was the fan, had it replaced and the noise is gone.
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21-01-2010, 10:05 AM #18
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