Installation manual

ROBERTS GORDON
®
ULTRAVAC™ CONTROLLER INSTALLATION MANUAL
26
SECTION 6: VARIABLE FREQUENCY DRIVE
PROGRAMMING
6.1 VFD Parameter Settings For Use With
ROBERTS GORDON
®
ULTRAVAC™
The VFD parameters come with factory default set-
tings. The following parameter settings must be
changed for ROBERTS GORDON
®
ULTRAVAC™.
Settings can only be altered when the pump motor is
stopped.
Verify that there is power to the VFD (LCD display
will be on) and power to the 24 V power switch on the
relay board of the ROBERTS GORDON
®
ULTRA-
VAC™ controller is off.
6.1.1
To enter the PROGRAM mode and access the
parameters, press the Mode button. This will activate
the PASSWORD prompt (if the password has not
been disabled).
Display reads "00"
Upper right decimal point blinks
6.1.2
Use the arrow buttons to scroll to the password value
(the factory set password is 225)
Press Mode to enter password
Once the correct password value is entered, the dis-
play will read "P01", which indicates that the
PROGRAM mode has been accessed at the begin-
ning of the parameter menu
(P01 is the first parameter)
.
NOTE: If the display flashes "Er", the password was
incorrect, and the process to enter the password
must be repeated.
6.1.3 Use the arrow buttons to scroll to the desired
parameter number. For new parameter settings See
Page 26, Section 6.2.
6.1.4 Once the desired parameter number is found:
Press Mode to display present parameter setting
(example setting is 20.0).
Upper right decimal point blinks.
Use arrow buttons to change setting
Press Mode to store new setting and exit the
program mode.
6.1.5 To change another parameter, press the
Mode key again to re-enter the PROGRAM mode
(the parameter menu will be accessed at the
parameter that was last viewed or changed
before exiting).
If the Mode key is pressed within two minutes of exit-
ing the PROGRAM mode, the password is not
required to access the parameters. After two min-
utes, the password must be entered in order to
access the parameters again.
6.2 Altering VFD Parameters
Using the procedure described in Section 6.1.1
through Section 6.1.5, alter the following parameters:
00
225
P01
Parameter
Number
Parameter
Name
Factory
Default
New
Setting
P16 Units Ending 02 01
P44 Password 225 Any #
000-999
P03 Start Method 01 05
200