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Structure - Hitachi RPI-0.8FSG1 Service Manual

Inverter-driven multi-split system heat pump air conditioners
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MAIN PARTS

3.4.3 Structure

The compressor has the structure for oil supply from the outer oil separator. (8 to 20HP)
The inside of the oil separator is at high pressure, and the surface temperature of the oil separator is as
high (60C
o
to 110C
o
) as the compressor.
Suction
G Compressor Type
RAS-5FSG and 5FS3: Inverter Compressor x 1
RAS-8FSG, 10FSG, 8FS3, 10FS3, 8FXG, 10FXG, 8FX3 and 10FX3:
Inverter Compressor x 1 and Constant Speed Compressor x 1
RAS-16FSG and 16FS3: Inverter Compressor x 1 and Constant Speed Compressor x 2
RAS-20FSG, 24FSG1, 30FSG1, 20FS3, 24FS5 and 30FS5:
Inverter Compressor x 1 and Constant Speed Compressor x 3
Seen from the front side of the unit, the one compressor at the left is the inverter compressor and other
compressor(s) is(are) constant speed type.
3-18
Suction Pipe
Fixed Scroll
Frame
Motor
Oil Supply
Oil Pipe
Suction
Discharge
Pipe
Discharge

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