IOMM Starter 53
Changing Parameters
The starter’s setpoint parameters are factory-set and subsequently reviewed during
commissioning by the McQuay startup technician. They should not be changed unless
authorized by McQuay.
The programming procedure is explained below and the following table shows the range of
values and defaults.
Menu Buttons
General:
The Micro II starter controller has a display/keypad (see Figure 12) that allows the user to set
the starter parameters using a plain English interface. The functions of the display buttons are
as follows.
Press to enter the menu system.
Press to abandon changes made to a parameter (before pressing the
Enter key).
Press to exit a sub-menu.
Press to exit the menu system.
Press to enter a menu.
Press to enter a sub-menu.
Press to change the parameter displayed.
Press to store the new value entered.
Select the menu to enter.
Select the sub-menu to enter.
Scroll between parameters when in a specific menu or sub-menu.
Increase a parameter value.
Press to view the meters when the main display is shown.
Select the menu to enter.
Select the sub-menu to enter.
Scroll between parameters when in a specific menu or sub-menu.
Decrease a parameter value.
Press to view the meters when the main display is shown.
Press to start the motor when the starter is connected for local display
control.
Press to activate the BIST (Built-In Self test)
If 2-wire control is used or the Start button is disabled, this button is
inoperative.
Press to stop the motor when the starter is connected for local display
control.
If 2-wire control is used or the Stop button is disabled, this button is
inoperative.
MENU
ENTER
START
STOP
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