Emerson Copeland Stream Digital 4MFD-13X Application Manuallines page 9

Semi-hermetic compressors
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Figure 3: Digital modulation components
Loaded
1.
Gas enters the compressor
2.
passes through the body
3.
into the valve plate
4.
Compressed gas
5.
exits the compressor
Figure 4: Gas flow
Loaded – Valve de-energized (100% capacity)
2
2
5
1 = Solenoid valve
Figure 5: Cutaway view of the Digital cylinder head loaded and unloaded
6
Bolts / studs
Solenoid valve
Solenoid valve gasket
Cylinder head
1
4
3
2 = Cylinder head
Unloaded
1.
Gas enters the compressor
2.
passes through the body
3.
Unloader mechanism blocks gas
before entering the valve plate
Unloaded – Valve energized (0% capacity)
3 = Valve plate
4 & 5 = Unloading piston
C6.3.2/0416-0716/E

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