ACH550-UH User’s Manual 25
Start-Up
Modes
The HVAC control panel has several different modes for configuring, operating and
diagnosing the drive. The modes are:
• Standard display mode – Shows drive status information and operates the
drive.
• Parameters mode – Edits parameter values individually.
• Start-up assistant mode – Guides the start-up and configuration.
• Changed parameters mode – Shows changed parameters.
• Drive parameter backup mode – Stores or uploads the parameters.
• Clock set mode – Sets the time and date for the drive.
• I/O settings mode –Checks and edits the I/O settings.
Standard Display Mode
Use the standard display mode to read information on the drive’s status and to
operate the drive. To reach the standard display mode, press EXIT until the LCD
display shows status information as described below.
Status Information
Top. The top line of the LCD display shows the basic status information of the drive.
•HAND – Indicates that the drive control is local, that is, from the control panel.
•AUTO – Indicates that the drive control is remote, such as the basic I/O (X1) or
fieldbus.
• – Indicates the drive and motor rotation status as follows:
• Upper right – shows the active reference.
Middle. Using parameter group 34, the middle of the LCD
display can be configured to display:
• One to three parameter values – The default display shows
parameters 0103 (OUTPUT FREQ) in percentages, 0104
(CURRENT) in amperes and 0120 (AI1) in milliamperes.
• A bar meter rather than one of the parameter values.
Bottom. The bottom of the LCD display shows:
• Lower corners – show the functions currently assigned to
the two soft keys.
• Lower middle – displays the current time (if configured to show the time).
Control panel display Significance
Rotating arrow (clockwise or
counterclockwise)
• Drive is running and at setpoint
• Shaft direction is forward or reverse
Rotating arrow blinking Drive is running but not at setpoint
Stationary arrow Drive is stopped
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