40
SYSTEM PRECHECK PROCEDURES
Check Wiring
Before starting the system, carry out the following precheck procedures to familiarize yourself with the controls and
confirm correct operation.
1. Refer to the wiring diagrams in Chapter 2 and check all wiring connections to the panel.
2. With the PUMP CONTROL and BLOWER CONTROL switches in the OFF position, turn the PUMP POWER,
BLOWER POWER and CONTROL POWER switches to ON.
3. Press the SYSTEM TEST button. All the panel indicators should be illuminated briefly as the microprocessor goes
through its self-test routine.
4. Briefly turn the PUMP CONTROL switch to HAND. The pump should start and the PUMP RUNNING indicator
should be illuminated.
5. Return the PUMP CONTROL switch to OFF and completely submerge the probe in a bucket of water.
6. Turn the PUMP CONTROL switch to AUTO. The pump should start and both PUMP RUNNING and AUTO
indicators should be illuminated. The HIGH PUMP STATUS indicator should also be illuminated.
7. Stop the pump by lifting the probe out of the bucket.
8. Once it has been established that the probe will shut off the pump, disconnect the pump by turning the PUMP
POWER switch to the OFF position. Since all indicators will continue to function normally as long as the
CONTROL POWER switch is ON, disconnecting the pump will permit further testing of the probe without the risk
of damaging the pump by running it dry.
9. Completely submerge the probe in water. The HIGH probe indicator will be illuminated as will the PUMP
RUNNING indicator. Slowly withdraw the probe from the bucket. The PUMP RUNNING indicator will remain
illuminated until the HI/LO float drops to the LO sensor. When this happens, the LOW probe indicator will be
illuminated and the PUMP RUNNING indicator will turn off.
10. Raise and lower the probe in the bucket so that the HI and LO sensors on the probe alternately switch the PUMP
RUNNING indicator on and off. This sequence simulates normal ON/OFF cycling.
11. With the PUMP CONTROL switch still in the AUTO position, check the OVERRIDE function as follows. Remove
the probe from the bucket. Obtain a thin piece of wire and insert it through the probe shell to hold the OVERRIDE
float in the DOWN position. Turn the probe upside down in air. After a time delay of 4-7 seconds, the PUMP
RUNNING indicator should go out. Reset the OVERRIDE function by turning the PUMP CONTROL switch to OFF
and then back to AUTO.
12. Test the PROBE FAULT feature by disconnecting the TB2 plug from its board connector while the PUMP
RUNNING indicator is illuminated. The PUMP RUNNING indicator should go out and the SYSTEM FAULT
indicator will blink six times.
Use similar procedures to test the sump level probe or knockout drum high level switch.
Once precheck procedures have been completed, the ORS SITEPRO™ 2000 control panel is ready for operation.
If the SYSTEM FAULT indicator comes on after the SYSTEM TEST button has
been pushed, the self-test routine has detected a fault in the panel electronics.
Document the problem as instructed in Chapter 6, and call Geotech for assistance.
If your panel is running a feed pump, the pump intake should be positioned at
least 5’ (1.5 m) below the level of drawdown. This will minimize intake of
contaminated water. To prevent false OVERRIDE signals, suspend the probe at
least 3’ (1 m) above the pump intake.
Содержание ORS SITEPRO 2000
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