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Operating at the recommended water level will ensure that the unit basin contains sufficient water volume to prevent air
entrainment in the circulating pump during system start-up and provides sufficient excess basin capacity to accept the
total system pull-down volume.
Optional Electric Water Level Control Package
As an option, an electric water level control package is available in lieu of the mechanical make-up assembly. The package
consists of a probe-type liquid level control assembly and a slow-closing solenoid valve. Stainless steel electrodes, factory-set
at predetermined lengths, extend from an electrode holder into the basin. For more information, refer to the Electric Water
Level Control Operation & Maintenance Manual available at BaltimoreAircoil.com.
•
Clean the stainless-steel electrodes periodically to prevent accumulations of scale, corrosion, sludge, or biological growth,
which could interfere with the electrical circuit.
•
The water level is maintained at the recommended operating level regardless of the system thermal load. Therefore, it is
not recommended that the operating level be adjusted.
•
During the start-up of units equipped with the electric water level control package, bypass the control unit in order to fill
the unit to the overflow connection.
Vertex™ Evaporative Condenser Operation & Maintenance Manual – Component Maintenance Procedures
Page | 28
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