Nova-Tech LMI Series HH Metering Pump User Manual

Page 24

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

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

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

MODE

E
X

(Mode) key and

(Down) key at the same time, and hold for two (2) seconds. The

will disappear.