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Konus Burners, Primary, and Vat Pumps

PSF1 - PSF2 - PSF3 Suction Filters

These filters will remove the contamination from the oil prior to being
directed to the primary pumps. These strainers should be changed
or cleaned on a regular basis. If the strainer were to become
contaminated then cavitation of the pump can occur.

PT1 - PT2 Pressure Transducers

These transducers are used to convert the air pressure in the Konus
burners into a proportional signal.

VBV Manual Valve

This 2-inch ball valve is located on the top of the level tank. The valve
should be open when necessary to vent the volatile gases out of the
hot oil system. Please refer to the “ Procedure to Vent Volatile Gases
Off the Hot Oil System” text located in the miscellaneous section of
this manual for the operation of this valve. VDP Vat Drain Pump

This pump is located near the log ponds. The pump can be used
when necessary to drain the oil out of the heat exchanger and
corresponding line back to the drain tank.

VP1 - VP2 Vat Pumps

These 1100 GPM, centrifugal type pumps are used to supply thermal
oil to the HE heat exchanger located in the ponds. Some or all of the
volume that flows out of the heat exchanger will return back to the
operating pump’s suction through the No. 2WV directional valve.
The excess oil will flow through the No. 3WV valve then back into the
Konus burner.

Troubleshooting Thermal Oil Systems Page 13