User's Manual for CM6G - Yokogawa

8-28.2 Stopping Operations8.2.1 Long Timer Stoppinga) Close V-1. In case of the standard pressure for steel mill use, close V-4. If the pump is attached,switch the pump off at first.b) When the gas supply suspended and the burner extinguished, the lamp “MEAS” of the caloriedetector is lit off and the lamp “ALARM” on.c) Set the switch of the calorie detector “SAFE EV” to “RELEASE”.d) In the case of the town gas use, close V-6 and open V-7, V-8. In case of the steel mill use, closeV-4 and open V-5, V-8. By such operation the sample gas in the gas line is blown off by the air.e) After continuing the blow for 3 to 5 min., turn off the “POWER” switch of the calorie detector andif the density meter is attached, cut the power supply switch inside the density meter.f) Turn off all switches of the switch box.g) Lastly, close V-14 and stop the air supply.8.2.2 Short Time StoppingSame as mentioned above, suspend the supply of sample gas only.If this state is to be held, the warm up time is not necessary for the restarting operation.IM 11R02A01-02E