Compressor Control With Vission20/20™ Micro-Controller (No Slide Operation) - Emerson VILTER VSS Installation, Operation And Service Manual

Section 4 • Operation
Compressor Control with
Vission20/20™ Micro-controller (No
Slide Operation)
The Vission20/20™ panel can provide
a single screw compressor without slides as long as
Analog Output Board #10 is present and selected in the
Configuration screen, see FIgure 4-11.
The "No Slide" operation will become active once the
correct type of compressor and model has been chosen,
see Figure 4-12.
The user must select either VSG/VSH or VSM from the
Compressor combo box in page 2 of the Configuration
Menu, and then the Model from the next box.
The choice of this type of compressor will cause the re-
frigerant combo box to be grayed out.
Figure 4-11. Vission 20/20
Configuration Screen - I/O
Configuration (Page 8)
VSS/VSR/VSM/VSH/VSSH Compressor • Installation, Operation and Service Manual • Emerson • 35391S
Once the compressor has been selected, the Vission
20/20™ panel touchscreen will show an indicator of VFD
speed percentage, and buttons to increase and decrease
it.
For more information on VFD capacity control, please
control for
check the Vission20/20™ manual (35391SC).
Software programming credentials shall only be
made available by the supplier. The user will only
have access to operational features established by the
supplier. Failure to comply may result in serious injury
WARNING
or death.
FIgure 4-12. Compressor
and Model Setup with
Vission 20/20
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