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of
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12.
ANNEXE A – AIR BALANCING – VFD ATV 320
Figure 9: Pressure regulator
1
The
ESC
key is used for menu navigation (backward) and parameters adjustment (cancel)
2
The
Jog dial
is used for menu navigation (up or down) and parameters adjustment (increase/decrease
value or element choice).
3
The
ENT
key (push on the Jog dial) is used for menu navigation (forward) and parameters adjustment
(validate)
A
REF mode selected (rEF-)
B
MON mode selected (MOn-)
C
CONF mode selected (COnF)
12.1.
Two speed VFD
When the unit is running: the display should show the current frequency of the drive.
1.
Push on the jog dial (3). The screen should display
rEF-
.
2.
Turn the jog dial up to
COnF-
(configuration) then push the jog dial.
3.
Turn the jog dial up to
FULL
then push the jog dial.
4.
Turn the jog dial up to
SET-
(settings) then push the jog dial.
5.
Turn the jog dial up to
LSP
(minimum speed
,
equivalent to first speed.) then
push the jog dial.
a.
Turn the jog dial to a minimum speed frequency (25Hz default).
b.
Press the jog knob for 2 seconds to confirm the value.
6.
If
LSP
has been set to a value below 25Hz otherwise, you can skip this step.
a.
Turn the jog dial up to
Ftd
(frequency threshold) then push the jog dial.
b.
Change settings with the same frequency value found for the
LSP
(
Low Speed
Hz) by turning the
jog wheel.