Operation; Inserting Tubing; For Optimum Tubing Life; Pump Controls - Barnant Company manostat VARISTALTIC SIMON Serie Manual De Operación

Use only MANOSTAT precision tubing with MANOSTAT pumps to ensure optimum performance. Use of other
tubing may void applicable warranties.

INSERTING TUBING

WARNINGS: Tubing breakage may result in fluid being sprayed from pump. Use appropriate measures to
protect operator and equipment.
Turn pump off before removing or installing tubing. Fingers or loose clothing could be caught
in the pump mechanism.
1. Make sure that the power switch is turned OFF.
2. Remove the two thumb nuts, and then remove the clear plastic cover from the pump head.
3. For Tubing Links: Attach input and output ends of the transfer tubing to the connectors of the tubing link. Insert the
tubing link so that the tie wraps or the flanges of the link are as close as possible to the outside of the pump head.
Manually rotate the roller assembly and guide the tubing between the rollers and the pump head wall.
For Tubing: Insert tubing between the rollers and the pump head housing in the center of the channel (i.e., midway
between the clear plastic pump head cover and the pump head housing bottom). This ensures that the rollers
depress the entire width of the tubing as they turn. Manually rotate the roller assembly and guide the tubing between
the rollers and the pump head wall. When using tubing (not links), there should be a small but visible gap between
the tubing and the pump head housing for about 1/3 to 1/2 of the contact surface at any time. Pull gently on the input
and output sides of the tubing to create a gap between the tubing and the curved pump head housing wall.
4. Replace the clear plastic cover over the pump head, being sure to tighten down the thumb nuts to prevent the tubing
from moving during operation.
The clear plastic pump head cover is reversible on Simon and Vera models, with different size tubing retainers on each
face. If the tubing is smaller than 3/16 in. ID, place the cover so that the larger tubing retainers hold the tubing. If the
tubing is 3/16 in. ID (Size 25) or larger, reverse the cover.
On Preston models, adjust the two screws on the retainer clamp to hold the tubing in place after attaching the clear
plastic cover to the pump head. If the tubing is smaller than 3/16 in. ID (Size 25) and a tubing link is not used, do one of
the following to prevent the tubing from creeping in the pump head:
•
Cover the tubing at the clamping points with a small section of a larger tubing to increase the grip.
•
Use a tubing connector on the input of the pump head.

FOR OPTIMUM TUBING LIFE

Periodically move the tubing so that a different segment is in the pump head, or change the tubing link. This will avoid
excessive tubing wear at any specific point. Always move the worn tubing to the suction side of the pump.

PUMP CONTROLS

CAUTION: When changing flow direction, allow the pump to come to a complete stop before starting
again. Failure to do so could cause permanent damage to the motor.
1. Make sure the flow speed control is set to the minimum setting.
2. Turn the power switch ON. Increase the flow speed setting to start the pump action. The higher the number
selected, the faster the speed of the pump.
3. VARISTALTIC pumps are self-priming. To begin pumping, select a flow direction with the flow direction switch, insert
the intake and output tubing into a reservoir, and turn the unit ON. Prime the tubing for at least 5 minutes. If accurate
flow control is important, allow the pump to prime for approximately 20 minutes for more stable flow conditions.

OPERATION

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