Nova-Tech LMI Roytronic Excel Series AD Metering Pump User Manual

Page 18

OPERATION

4.2 Start-up

and

Adjustment

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4.2.1 Start-Up/Priming for FastPrime™ Heads (LE-XXXNX)

Read this entire section completely before proceeding.

When all precautionary steps have been taken, the pump is mounted, and the tubing is
securely attached, you may now start priming the pump.

1. Plug in or switch the pump on.

2. While the pump is running, set the Speed Adjustment Knob and the Stroke Adjust-

ment Knob at 100%.

3. Turn The FastPrime

™

knob 1 to 2 turns counter-clockwise

4. The suction tubing should begin to fill with solution from the tank.

5. A small amount of solution will begin to discharge out the return line of the FastPrime

™

valve. Once this happens, turn the knob clockwise

3 until hand tight and SHUT THE

PUMP OFF.

6. The pump is now primed.

7. Proceed to output adjustment, Section 4.3.

4.2.2 Start-Up/Priming for Pump Supplied with 4-FV (LE-XXXSX or LE-XXXHX)

Read this entire section completely before proceeding.

When all precautionary steps have been taken, the pump is mounted, and the tubing is
securely attached, you may now start priming the pump.

1. Plug in or switch the pump on.

2. While the pump is running, set the Speed Adjustment Knob and the Stroke Adjust-

ment Knob at 100%.

3. Open the relief side (black knob) of the 4-FV by turning to the stop (about 1/8 turn).

4. The suction tubing should begin to fill with solution from the tank.

5. A small amount of solution will begin to discharge out the return line of the 4-FV.

Once this happens, return the knob to the 12:00 position and SHUT THE PUMP OFF.

6. The pump is now primed.

7. Proceed to output adjustment, Section 4.3.

If the pump does

not self-prime,

remove the 4-FV

on the discharge

side of the pump

head. Remove

the check valve

and pour water

or solution into

the port until the

head is ﬁlled.

Replace valve,

then follow start

up/priming steps.