Controller Status | Illuminate to reflect current status. The Power LED |
Lights | indicates power is on; the Heater LED indicates |
| temperature set point has been obtained; the Valves |
| LED indicates the solenoid valves open; and the |
| Fault LED indicates a drop in pressure or excessive |
| temperature (see Chapter 7, “Troubleshooting” for |
| details). |
Initial Startup
Vacuum Test
With the 1/8" Valco cap on the black PFA transfer line still in place and the air supply to the ozone generator off, set the internal air regulator to 0 psi (fully counterclockwise), and power on the SCD or NCD by plugging the power cord into the house power supply. The SCD and NCD will power up in STANDBY mode, with the pump and the ozone generator OFF. For this test, the desired mode is power ON, vacuum pump ON, ozone generator OFF, display range in the low sensitivity mode and PRESSURE signal displayed. Press the following controls in the order shown in order to start the vacuum pump and to view the reaction cell pressure.
Press until green ON LED is lit
Press until red LED is lit
Press to display reaction cell pressure in torr
After the pressure has stabilized (~5 minutes), record the pressure below. Typical pressure in the reaction cell should be
Operation and Maintenance Manual | 67 |