
17
Power Supply and Sample Gas Activation
WARNING
Before activating the power supply check once again that the operating
voltage setting (see rating plate) matches the line voltage.
The needle valve must never be closed completely.
The sample gas must not be switched on until the cooler's lead time has
finished.
Power Supply and Sample Gas Activation
Version without Peltier Cooler
1
Activate the power supply.
2
The sample gas feed unit is ready for operation without delay.
3
The sample gas must not be switched on until the upstream cooler unit's lead
time has finished.
4
Set the sample gas flow using the needle valve (max. 70 l/h).
Version with Peltier Cooler
1
Activate the power supply.
2
The condensate pump starts to run.
3
The lead time is approx. 10 minutes.
The flow alarm and the cooler temperature alarm are present during the lead
time. The condensate alarm may also be present.
4
The lead time is finished and the sample gas feed unit is ready for operation
when the sample gas outlet temperature of the Peltier cooler is within the
factory-set limit values ("K1" LED on the temperature controller lights up
yellow). The sample gas pump starts to run if the "Pump" push-button is
pressed (lights up green).
The sample gas pump can be switched off with the "Pump" push-button.
5
The sample gas may be switched on.
6
Set the sample gas flow using the needle valve (max. 70 l/h).
C
H A P T E R
4
Sample Gas Feed Unit Start-Up
Summary of Contents for SCC-S
Page 1: ...SCC S Sample gas feed unit Operator s Manual 42 23 59 EN Rev 1 ...
Page 35: ...35 Circuit Diagrams SCC S Sample Gas Feed Unit without Peltier Cooler ...
Page 36: ...36 SCC S Sample Gas Feed Unit with Peltier Cooler ...
Page 37: ...37 SCC S Sample Gas Feed Unit 24 VDC Power Supply and Solenoid Valves ...
Page 39: ......