Daikin EWWQC13AJYNN/A [48/72] Compressor

Daikin EWWQ600AJYNN [48/72] Compressor
D -808 C – 08/01 A – EN Pag. 48/72
Compressor
The single-screw compressor is of the semi-hermetic type with an asyncronous three-phase, two-pole motor which is
directly splined on the main shaft. The suction gas from the evaporator cools the electric motor before entering the
suction ports. There are temperature sensors inside the electric motor which are completely covered by the coil winding
and constantly monitor motor temperature. Should the coil winding temperature become very high (120°C), a special
external device connected to the sensors and to the electronic controller will deactivate the corresponding compressor.
There are only two moving rotating parts and there are no other parts in the compressor with an eccentric and/or
alternating movement.
The basic components are therefore only the main rotor and the satellites that carry out the compression process,
meshing perfectly together.
Compression sealing is done thanks to a suitably shaped special composite material that is interposed between the main
screw and the satellite. The main shaft on which the main rotor is splined is supported by 2 ball bearings. The system
made up in this way is both statically and dynamically balanced before assembly.
Fig. 23 - Picture of Fr4100 compressor
Fig. 24 – Picture of Fr3200 compressor
In the Fr3200 and Fr4100 series compressor, access to internal parts is allowed by two covers positioned sidewise.

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