K-Patents DD-01 - Manual (Page 6)

5
2.5. MASTER DIVERT CONTROL UNIT
Figure 2.50 Operator’s panel and functions of the master divert control unit in the field with LED
indications.
1. Black liquor SOLIDS WARNING (at
60%), Black liquor SOLIDS ALARM (be-
low 58%), Refractometer reading more than
2% absolute difference, and Refractometer
malfunction).
2. Each refractometer A and B has an
OPERATING green light, A refractometer
will influence the divert decision only when
the green OPERATING light is on. A mal-
functioning refractometer is automatically
taken out of operation.
3. One green indicator light SAFE%
SOLIDS, based on the two refractometers
and the divert decision rules.
4. A red OVERRIDE warning light is on
always if the override switch is switched on.
5. One red DIVERT light that will be
switched on when the SAFE% SOLIDS
goes off. The DIVERT light indicates divert
status of the divert relay.
6. Two indicator lights for the divert valve
status. TO BY-PASS/TO BURNER from
microswitches on the valve. For intermedi-
ate valve positions both lights are off.
7. A lockable Override/Automatic divert
switch
8. A DIVERT RESET push-button.
9. An EMERGENCY DIVERT push-button.
10. A light test button switches all 11 lights
on.
11. An alarm reset button resets the alarm
lights.
INSTRUCTION MANUAL FOR DD-01 DOCUMENT/REVISION: IMD 1/5
Effective: June 20, 2005