Vfd Configuration; Start-Up With Assistant; Start-Up By Changing Parameters Individually - Carrier 39LA-25 Installation, Start-Up And Service Instructions Manual

VFD Configuration

The VFD keypad is shown in Fig. 26. The function of SOFT
KEYS 1 and 2 change depending on what is displayed on the
screen. The function of SOFT KEY 1 matches the word in the
lower left-hand box on the display screen. The function of SOFT
KEY 2 matches the word in the lower right-hand box on the dis-
play screen. If the box is empty, then the SOFT KEY does not
have a function on that specific screen. The UP and DOWN keys
are used to navigate through the menus. The OFF key is used to
turn off the VFD. The AUTO key is used to change control of the
drive to automatic control. The HAND key is used to change con-
trol of the drive to local (hand held) control. The HELP button is
used to access the help screens.
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Fig. 26 — VFD Keypad (P/N ACH-CP-H)
J1 – DIP Switches for Analog Inputs
The switch is one of two types:
AI1: (in Voltage Position)
AI2: (in Current Position)
Original
Examples:
BOTH SWITCHES IN
VOLTAGE POSITION
BOTH SWITCHES IN
CURRENT POSITION
Fig. 25 — Setting AI Switch to Voltage Position
Illustration of available switch
positions; not default settings
Alternate

START-UP WITH ASSISTANT

The initial start-up has been performed at the factory. To start up
the VFD with the Start-Up Assistant, perform the following
procedure:
1. Select MENU (SOFT KEY 2). The Main menu will be dis-
played.
2. Use the UP or DOWN keys to highlight ASSISTANTS on
the display screen and press ENTER (SOFT KEY 2).
3. Use the UP or DOWN keys to highlight Commission Drive
and press SEL (SOFT KEY 2).
4. The Start-Up Assistant will display the parameters that need
to be configured. Select the desired values and press SAVE
(SOFT KEY 2) after every change. The process will continue
until all the parameters are set.
START-UP BY CHANGING PARAMETERS INDIVIDU-
ALLY
Initial start-up is performed at the factory. To start up the VFD by
changing individual parameters, perform the following procedure:
1. Select MENU (SOFT KEY 2). The Main menu will be dis-
played.
2. Use the UP or DOWN keys to highlight PARAMETERS on
the display screen and press ENTER (SOFT KEY 2).
3. Use the UP and DOWN keys to highlight the desired parame-
ter group and press SEL (SOFT KEY 2).
4. Use the UP or DOWN keys to highlight the desired parame-
ter and press EDIT (SOFT KEY 2).
26
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