3-67 Samsung Electronics
3) Checking of oil circulating system
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Oil separator capillary tube or lter of block
- If lter or capillary tube of oil separator lower column is blocked by alien substance etc.., can become cause of compressor break-
down because oil is not collected.
- Can doubt that is blocked if oil separator capillary tube temperature is low after refrigerant outlet temperature of compressor, in
driving, rises.
(
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Compressor 2 individual occasion oil separator capillary tubes each other cross.)
- Conrm that is blocked in stationary state through nitrogen pressurization availability.
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Breakdown of Accum Oil Return Valve (ARV)
- Damage can become cause of compressor breakdown because oil is not collected if lter of valve front/piping etc.. is blocked
with ARV is closed.
- Power connector of ARV conrms that was linked right.
- Extract connector in vacuum mode or conrm whether when insert, action sound of valve happens.
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When CCH is badness, can become cause of compressor breakdown by oil foaming.
AM072/096/120/192HXWA
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