ABB ACH550-UH User Manual page 40

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For detailed hardware description, see the Appendix.
Note: The current parameter value appears below the highlighted parameter.
Note: To view the default parameter value, press the UP/DOWN buttons
simultaneously.
Note: The most typical and necessary parameters to change are parameter groups
99 Start-up data, 10 Start/Stop/Dir, 11 Reference Select, 20 Limits, 21 Start/Stop, 22
Accel/Decel, 26 Motor Control and 30 Fault Functions.
Note: To restore the default factory settings, select the application macro HVAC
Default.
Control panel
Select the Parameters mode with the UP/
DOWN buttons, and select ENTER to
select the Parameters Mode.
Select the appropriate parameter group
with the UP/DOWN buttons and select
SEL.
Select the appropriate parameter in a
group with the UP/DOWN buttons. Select
EDIT to change the parameter.
Press the UP/DOWN buttons to change
the parameter value.
Select SAVE to store the modified value
or select CANCEL to leave the set mode.
• Any modifications not saved are
cancelled.
• Each individual parameter setting is
valid immediately after pressing SAVE.
Select EXIT to return to the listing of
parameter groups, and again to return to
the main menu.
ACH550-UH User's Manual