Setup
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311596A
Setup
Ground the VFD
The equipment must be grounded. Grounding reduces
the risk of static and electric shock by providing an
escape wire for the electrical current due to static build
up or in the event of a short circuit. Ground the variable
frequency drive through a proper connection to a power
source. Refer to the Control Techniques manuals for
grounding instructions.
Navigating the Keypad
The Unidrive SP User Guide has a detailed explanation
of the Keypad operation and contains navigation proce-
dures. The following is an example and is not intended
to explain in detail the complete operation of the Key-
pad. It is strongly recommended that the installer refer to
the Unidrive SP User Guide (provided on a CD) for
detailed instructions.
Calibration of lower size is chosen as an example to
explain the operation of the Keypad display. Graco
default setting for the lower size is 2000cc. In the follow-
ing example, we will change the lower size to 1500cc.
Each parameter consists of a menu number and sub-
menu number. Lower size calibration value is located in
Pr 20.03: 20 refers to Menu 20; 03 refers to Submenu
03.
1.
Navigate to Pr 20.03:
a.
Pressing the Left and Right arrow keys will allow
you to navigate between menus 0 and 22.
b.
Pressing the Up and Down arrow keys will allow
you to navigate within the submenus.
c.
Press the Left or Right arrow keys until you
reach menu 20 (Number 20.00 should be flash-
ing on a screen).
d.
Press the Up or Down arrow keys until you
reach submenu 3 (Number 20.03 should be
flashing on a screen)
2.
Alter the value of Pr 20.03:
a.
Press the (M) key once. This will cause the cur-
sor to move to the bottom row of the display and
the least significant digit of the number 2000
(most right digit) should be flashing.
b.
Press the Left arrow key to navigate to the third
digit from the right 2000. This will cause the digit
to start flashing.
c.
Press the Up arrow key to scroll to number 5.
This should cause number 2500 to display on a
screen with number 5 still flashing.
d.
Press the Left arrow key to navigate to the next
digit on the left. This will cause number ‘2’ to
start flashing (2500).
e.
Press the Down arrow key to change the num-
ber 2 to number 1. Number 1500 should be dis-
played on a screen with number 1 flashing.
f.
Press the (M) key once to move cursor from the
bottom row to the top row. This will cause num-
ber 20.03 on the top row to flash.
g.
This completes the procedure of changing a
parameter value. In this case you have changed
Pr 20.03 from 2000 to 1500 (number 1500 will
show on lower row of display).
While number 20.03 is flashing on the upper row of
the screen, number 2000 is displayed on the lower
row of the screen, representing lower size of
2000cc.
F
IG
. 4: Variable Frequency Drive Keypad
M
V
Joypad
