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2.2.5.2 Handling
The power units, floor mounted, can be transported by
lift trucks with the forks completely under the base of
the packing case.
All power units have two detachable
lifting brackets at the top for lifting by crane.
2.2.5.3
Storage
If the equipment is not to be installed immediately,
it should be stored in a clean, dry location.
Precau-
tions should be taken to prevent moisture from accumula-
ting in the equipment.
The entrance of moisture, dust or
dirt during storage or installation is detrimental to the
equipment insulation.
2.3
EQUIPMENt FUNCtIONAL DESCRIPtION
2.3.1 Function of Controls and Indicators
table 2-1 will give a listing of all the controls, indicators and
adjustments with a brief functional descriPtion.
This table is
cross-referenced to the illustrations of the equipment.
2.3.2 Location of Controls, Indicators and Assemblies
Figure 2-1 through 2-3 provide pictures and illustrations of the
equipment assemblies, controls and indicators with a cross-refer-
ence number to identify the item in table 2-1.
2.3.3
Theory of Operation
To best understand the theory of operation of the Vt-700 Duplex
General Purpose AC Variable Torque Drive System, it is necessary
to state what the electrical system is required to do.
a.
Maintain a required pr.essure or level.
b.
Start, stop and control motor to maintain the desired
pressure or liquid level.
c.
Provide automatic or manual operation.
d.
Insure operator safety.
e.
Provide visual status of normal operation.
f.
Provide emergency override operation.
2-2
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