C6.1.10/0118-0318/E
17
For proper commissioning of the Digital unit the following diagram must be considered:
Figure 12: Digital operation
NOTE: When the digital valve on the compressor is discharged, the compressor is loaded.
NOTE: At start-up, the valve is energized for C20/Sut start-up time, ie, interval time with the
digital valve energized before regulation starts. It ranges from 0 to 10 seconds.
2.15 Reset to factory settings
– Emerson "Hot Key"
2.15.1 How to save factory settings or user settings
There is no way to reset the XCM25D controller to factory settings other than with additional
equipment. Emerson recommends using the Emerson "Hot Key" (not part of the standard delivery)
to save the factory settings at initial power up. The same hot key can also be used to save user
settings.
Thanks to a special programming software (Emerson Wizmate) and corresponding hardware
(Emerson Prog-Tool), the user can:
▪
preprogram hot keys
▪
copy hot keys
▪
change parameter levels
▪
compare parameter lists
For further information please visit our website at
Application Engineering representative.
2.15.2 Emerson "Hot Key" for ZXDI units with XCM25D controller
The Emerson "Hot Key"
DK00000300
can be used for uploading and downloading of parameter
lists. Copeland ident number 3226456.
Figure 13: Emerson "Hot Key"
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