Baltimore Aircoil Company VT1 Operating And Maintenance Instructions Manual page 7

Open cooling towers
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Do not cover units with PVC eliminators or fill with a plastic tarpaulin. Temperature increase due
AUTHORIZED PERSONNEL
The operation, maintenance and repair of this equipment should be undertaken only by personnel authorized
and qualified to do so. All such personnel should be thoroughly familiar with the equipment, the associated
systems and controls and the procedures set forth in this and other relevant manuals. Proper care, personal
protective equipment, procedures and tools must be used in handling, lifting, installing, operating, maintaining
and repairing this equipment to prevent personal injury and/or property damage. Personnel must use personal
protective equipment where necessary (gloves, ear plugs, etc...)
MECHANICAL SAFETY
Mechanical safety of the equipment is in accordance with the requirements of the EU machinery directive.
Depending upon site conditions it also may be necessary to install items such as bottom screens, ladders,
safety cages, stairways, access platforms, handrails and toe boards for the safety and convenience of the
authorized service and maintenance personnel.
At no time this equipment should be operated without all fan screens, access panels and access doors in
place/closed and properly secured.
When the equipment is operated with a variable fan speed control device, steps must be taken to avoid
operating at or near to the fan's «critical speed».
For more information consult your local BAC representative.
ELECTRICAL SAFETY
All electrical components associated with this equipment should be installed with a lockable disconnect switch
located within sight of the equipment.
In the event of multiple components, these can be installed after a single disconnect switch but multiple switches
or a combination thereof are also allowed.
No service work should be performed on or near electrical components unless adequate safety measures are
taken. These include, but are not limited to the following:
Isolate the component electrically
Lock the isolation switch in order to prevent unintentional restart
Measure that no electrical voltage is present anymore
If parts of the installation remain energized, make sure to properly demarcate these in order to avoid
confusion
Fan motor terminals and connections may have residual voltage after unit shut-down. Wait five minutes after
disconnecting the voltage at all poles before opening the fan motor terminal box.
LOCATION
All cooling equipment should be located as far away as possible from occupied areas, open windows or air
intakes to buildings.
2 General information
2 General information
CAUTION
to sun radiation could deform the fill or eliminators.
W W W . B A L T I M O R E A I R C O I L . E U
7

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