ABB SCK - Page 209

OI/SCK
-EN Rev. E Operating instruction SCK Gas Sampling System 209
Step
Procedure
3
Switch off the cooling-water pump -M51 at the motor breaker -
F37
(1)
.
Note: You can also switch off the cooling-water pump at circuit
breaker -F36 (2) .
4
Wait about 5 minutes.
5
On the top of the heat exchanger: Unscrew cap and slowly open
vent cock (red) so that air can escape.
6
Close drain valve on heat exchanger again as soon as only cool-
ing water comes out.
7
Switch cooling-water pump -M51 on again at motor breaker -
F37
(1)
or at circuit breaker -F36
(2)
for approx. 20 s.
8
Wait 5 minutes and vent again.
9
Repeat steps 7 and 8 until no more air comes out of the cool-
ing-water circuit.
10
Check pressure of cooling water in the controller and top up if
necessary (target cooling water pressure in cooled state: 1-1.5
bar (1000-1500 hPa)).
11
Switch cooling-water pump -M51 on again at motor breaker -
F37 (1) or at circuit breaker -F36 (2) for approx. 20 s.
12
Close control cabinet again.
13
Turn service switch back to OFF position and insert probe
again using the controller.
WARNING! Probe moves into the kiln. Do not stand in the area
of travel of the probe or probe carriage until the probe is
completely inserted into the kiln and the warning lamps go
out.