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19-11-2013, 07:47 PM #1
line or neutral to capacitor ????????????
hi
this is my first thread here
as u know in most classic air conditioner split unit (non inverter)
the indoor unit PCB is control the outdoor by disconnecting or connecting the line (L)
of the comprssor and fan motor etc
while the neutral (N) is connected directly to the capacitor
as example
but in very liitle types
the line (L) is connected directly to the capacitor while the (N) is controlled from the indoor unit PCB
so which method of wiring is best
and what are their advantage and disadvantage
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19-11-2013, 07:58 PM #2
Re: line or neutral to capacitor ????????????
as long as your capacitor is accross your start/run winding it doesnt matter- in the uk we switch lives , never switch neutrals, in america they switch neutrals, but ive seen your video of power and the state of that frazzled pot- so i see anything goes
what countries manufactured them units the wiring diagram came from?
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19-11-2013, 08:02 PM #3
Re: line or neutral to capacitor ????????????
the first diagram is from LG split unit made in turkey
the second is made in jordan by Haier
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19-11-2013, 08:15 PM #4
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Re: line or neutral to capacitor ????????????
It doesn’t matter since, for example, here in Croatia, and many other countries you can turn power plug at 180° and doing so you change what is line and what is neutral.
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19-11-2013, 08:26 PM #5
Re: line or neutral to capacitor ????????????
i know that
as example
u can insert the plug of any electric device such as TV radio etc as u want
i know its not matter
but why the diagram of the second split unit is reversed of the fisrt one ???????
it was able to make the diagram simlar to the first diagram
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19-11-2013, 08:34 PM #6
Re: line or neutral to capacitor ????????????
As Install Monkey says, it doesn't matter if you put the capacitor in circuit in the Live or Neutral, both ways will work.
Some Countries switch the Live (the UK) and some Countries switch the Neutral(such as the USA).
What you are looking at is 2 different ways of wiring adopted by different Countries.
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19-11-2013, 08:36 PM #7
Re: line or neutral to capacitor ????????????
ring lg and haier's technical dept
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19-11-2013, 08:42 PM #8
Re: line or neutral to capacitor ????????????
ok
thank u all
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24-11-2013, 01:36 AM #9
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24-11-2013, 02:39 AM #10
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Re: line or neutral to capacitor ????????????
Therefore, here, you first check what is on switch, line or neutral. If it is neutral, then your first move is to turn your plug for 180° and than you proceed with testing.
Last edited by nike123; 24-11-2013 at 02:41 AM.
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24-11-2013, 07:17 AM #11
Re: line or neutral to capacitor ????????????
you need to test and prove system is dead prior to working on it- also lock out isolators
the issue is different countries have different wiring standards- some kit has fuses on the live, neutral - some switch the neutral through an isolator
then you open up a trane unit- more black wires u can shake a stick at- 2 phases permanantly feed fan motors (blower is their terminology) then they use an open contactor with 24v coils and u might be luck to find 3 fuses- usually on the control ciruit
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24-11-2013, 09:21 AM #12
Re: line or neutral to capacitor ????????????
Just a quick point in the US Black is the live (hot) wire, Neutral is White, I am sure you know this but just to clear up confusion, it is in all probability best when working on equipment built with different standards wise to ignore the cable colours (colors) and work with the wiring diagram, (if you can find it!!)
Location, United Kingdom