Chapter 4 Description on How to Operate the Controller
4.1 Description of Functions of the Controller Keys
There are 8 keys on the controller panel with thin film structure. The
keys have the same functions and operation style as general
human-machine interface does. The menu is presented in tree-like
structure. The functions are described as follows:
Key Name Function Description
I
Run
1) When the screw compressor is in the
stop/standby status and in local control mode,
you can let the screw compressor start to run
by pressing the key if the controller displays the
default interface.
2) In some interfaces, the key is defined as
“Confirm” function (prompted on the screen).
O
Stop
When the screw compressor is in the run status and
the controller displays the default interface, you can
stop the screw compressor by pressing the key.
ESC
PRG
ESC/PRG
1) Under the default interface, enter the main
menu by pressing the key to browse and edit
the parameters of screw compressor and
inverter.
2) On the menu or parameters editing interface,
press the key to go back or cancel the
operation.
SET
Set
1) If the screen has editable register parameters
and editing is allowed, you can enter the
editing status by pressing the key.
2) In parameter editing status, give up editing the
current parameter and enter the editing status
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