DANGER: Remove power from the pump before any
cleaning operation is started.
WARNINGS: Remove power from the pump before attempting
any maintenance.
A contactor or other device that routinely disconnects and
reapplies the AC line to the drive to start and stop the motor
can cause drive hardware damage. The drive is designed to
use control input signals that will start and stop the motor.
WARNINGS: Tubing breakage may result in fluid being sprayed
from pump. Use appropriate measures to protect operator and
equipment.
Turn Pump System off before removing or installing tubing.
Fingers or loose clothing could get caught in drive mechanism.
Pump Heads not equipped with OHS (open head sensor) will not
actuate the OHS feature. If Non-OHS Pump Heads are used, the
shorting plug must be installed and locked into the OHS socket
on the front of the drive for drive to operate.
CAUTIONS: 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.
Replace the fuse only with one of the same type and rating. The
fuse rating and type are stated on the rear panel.
Do not contaminate the lubricant in the container, on the shaft or
on the seal with foreign material.
Failure to observe this precaution may result in damage to the-
seal and premature failure of the seal.
No foreign matter should be allowed under the gasketon the back
of the front plate or under the heads of the screws.
Failure to observe this precaution may result in leakage during-
washdown of the drive.
CAUTION: To avoid electrical shock, the power cord
protective grounding conductor must be connected to ground.
Not for operation in wet locations as defined by EN61010-1.
If the product is not used in a manner specified in the
instructions, the protection provided by the equipment may
be impaired.
Masterflex
Preface
Safety Precautions
SAFETY
PRECAUTIONS
L/S Precision Variable-Speed Drives Operating Manual
iii
