Operation description for HMI 7-inch touch screen
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Selection for running mode
Operator
ON-OFF selection
Operator
Power-down memory
Operator
Clear cumulative running time
Maintenance
EXV refrigeration initial steps
Maintenance
EXV heating/heat recovery initial steps
Maintenance
EXV refrigeration minimum steps
Maintenance
EXV heating/heat recovery minimum steps
Maintenance
Oil warm-up time
Operator
Superheat degree for refrigeration target
Maintenance
Superheat degree for heating target
Maintenance
Minimum downtime of compressor
Maintenance
Operation time limit
Maintenance
Configuration for hot gas bypass valve
Maintenance
EXV adjustment cycle
Maintenance
EXV hold time
Maintenance
Operating time for waterway three-way valve
Maintenance
Figure 18. System’s configuration interface
For all configuration items, they are mainly the following types: option type, ON or OFF type and digital filling
type, and the followings are the examples of their typical operations.
Option type:
For the modification content of the configuration item in this type, it can only be selected from the contents listed in
the pop-up dialog box. The following are the examples:
Click the item of “HMI mode command”, and then the Options Dialog Box will pop up, as shown in the following
figure.
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz