BIRD BA-300 Series, Руководство по эксплуатации, Страница: 15 / 22

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Chapter 4 Operating Instructions
All Bird Blower Assemblies are equipped with a control switch and a indicator light. No initial adjustments are
required.
BA – 300 Controls
On the Bird BA – 300, the switch is labeled “ON/OFF”. When the switch is set to ON, the indicator light will turn on
and the fans will run continuously. When set to OFF, the indicator light will turn off and the fans will not run.
BA – 310 Controls
On the Bird BA – 310, the switch is labeled “MANUAL/AUTOMATIC”. When the switch is set to MANUAL, the fans will
run continuously. When set to AUTOMATIC, the fans will be turned on when the coolant reaches a preset
temperature. The indicator light will turn on whenever the unit is connected to ac power.
Normal Operation

Turn the blower on. Check that the indicator light is on.

Set the Bird BA – 310 to MANUAL momentarily to check that the fans are working properly.

Apply RF power.
Operation Under Abnormal Conditions
If the indicator light turns off or the fans stop unexpectedly, immediately turn off the RF power or reduce it by at
least 75% (half of the load’s original power rating). Refer to
"Troubleshooting" on page 8
to correct the problem.
The load can be subjected to higher power levels for short intervals; refer to the load manual for details.
Shutdown

Turn off RF power at the source.

Wait approximately 15 minutes, or for the BA–310 fans to stop running. This will allow the load to cool
without causing heat stress.

Turn off the blower.
CAUTION
The Bird BA–300/310 Blower Assembly will derate a load’s specified power by 50%
when installed and not running. If the indicator light should turn off, immediately
reduce RF power by at least 75%.
WARNING
Never attempt to connect or disconnect RF equipment from the transmission line
while RF power is being applied.
Leaking RF energy is a potential health hazard.