Start-up, Divert control unit start-up, Divert control system trimming – K-Patents DD-01 User Manual

Page 13: 4 start-up

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4. START-UP

For refractometer start-up consult the separate Refractometer PR-01-S(-EX/FM) Manual and the Mounting
and start-up check list.

4.1. DIVERT CONTROL UNIT START-UP

1.

Check the wiring and supply voltage.
Note: Before the power is switched on, the DIVERT output relay is in DIVERT position.

2.

Switch the power on for both Indicating transmitters.
The control system is now in the DIVERT mode, and the red DIVERT light is on.

3.

Press the LIGHT TEST button. All eleven lights should switch on.

4.

The upper right corner of the Indicating transmitter displays should now state a or b respectively. If
not, see Section 5.2.

If the message is "Removed from divert control" the refractometer is ready to "Restore to
divert control", softkey B.

If the message is "Solids warning" or "Solids alarm" then "Restore" provokes an alarm.
Press the ALARM RESET button.

For any other message, see Section 6.3.

5.

Observe that the VALVE STATUS lights follow the position of the valve.

Now the Divert Control System is set for normal monitoring operation.

6.

Check that the prism wash is working. Press the "Start prism wash", softkey A.

7.

When the SAFE % SOLIDS has turned on and also the other conditions for safe boiler operation are
satisfied, the DIVERT can be turned off using the RESET button.

4.2. DIVERT CONTROL SYSTEM TRIMMING

During the trimming of a new system, it is recommended to keep the key in the OVERRIDE position.

When the key is in the OVERRIDE position, the DIVERT action has to be initiated manually using the
EMERGENCY DIVERT button. This should be done when the green SAFE %SOLIDS light turns off.

The trim procedures are described in Chapter 5, the measurement calibration in Section 5.1 and the prism
wash in Section 5.6.

The key should be turned to the AUTOMATIC position only after it has been decided that sufficient experi-
ence has been gained.

INSTRUCTION MANUAL FOR DD-01

DOCUMENT/REVISION: IMD 1/5

Effective: June 20, 2005

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