![](/images/new-backgrounds/1314701/31470153x1.webp)
period two
Compressor Capacity Control
notes
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YDSRU | Figure 30 |
In response to an increasing load, the controller sends a signal to close the solenoid valve. This closes the port that allows the pressurized refrigerant vapor to travel to the top of the unloader valve. A controlled leakage rate around the unloader valve relieves the pressure, allowing the valve to open and refrigerant vapor to once again flow to the cylinder to be compressed.
Another type of cylinder unloader uses either pressure or
20 |
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