Nova-Tech LMI Series HH Metering Pump User Manual
Page 24
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11.3 Pressure Level Control
The maximum pressure rating of your pump can be adjusted to
reduce pulsation shock in your discharge line. The pumps have a 6-
point pressure control scale. The minimum setting is 0 and the
maximum is 5. To access the pressure setting, press the
I
N
T
T
MODE
E
X
(Mode) key and
(Up) key at the same time and hold for two (2)
seconds. The current pressure setting
MIN
may be altered
using the
(Up) or
(Down) keys.
The pressure may be changed with the pump ON or OFF and in
either Internal or External mode.
11.4 Keypad Lock
The pump has two (2) lock modes to prevent casual tampering. The
small "LOC" de-activates all key functions except
START
STOP
(Start/
Stop) and Prime. To activate this "LOC" mode, press the
I
N
T
T
MODE
E
X
(Mode) key and
(Down) key at the same time and hold for two
(2) seconds. The LCD will read
for five (5) seconds and
then return to the previous display. This display
re-
appears when any key except the
START
STOP
(Start/Stop) key is pressed.
The large "LOC" disables all keypad entries, including Start/Stop.
Activate this by pressing the Mode, Down, and Up keys at the same
time and holding for two (2) seconds. The LCD will read
for five (5) seconds and then return to the previous display. This
display
re-appears whenever any key is pressed.
To de-activate either lock mode, press the
I
N
T
T
MODE
E
X
(Mode) key and
(Down) key at the same time, and hold for two (2) seconds. The
or
will disappear.