Siemens Maxum II Manual page 5

Figure 2-13 Proportional Valve.......................................................................................................................28
Figure 2-14 Automatic Purge Control Unit (APU) shown in Airless/Airbath model.........................................29
Figure 2-15 Location and Close-Up of Maintenance Switch (MAA, Set for Normal Operation).....................30
Figure 2-16 MMO APU Maintenance Switch..................................................................................................30
Figure 2-17 Covered Purge Exhaust Diffuser.................................................................................................31
Figure 2-18 Signal Disconnect Relays............................................................................................................32
Figure 2-19 Purge Disable Jumper on PECM or PECM-DC (Shown with Alarm Disabled)...........................33
Figure 3-1 Pressure Switch for Purge Control Module.................................................................................36
Figure 3-2 Timing Coil for Pressure Switch..................................................................................................37
Figure 3-3 Programmed Temperature Air Bath Oven (with Deflector).........................................................38
Figure 3-4 Airless Oven................................................................................................................................39
Figure 3-5 Location of Temperature Probes and Heaters on Airless Oven..................................................40
Figure 3-6 Heat Retainer Plug for Airless Oven...........................................................................................40
Figure 3-7 Typical Modular Oven Configuration...........................................................................................42
Figure 3-8 Heater and RTD Tubes for the Modular Oven............................................................................43
Figure 4-1 Siemens Liquid Injection Valve...................................................................................................45
Figure 4-2 Siemens Liquid Injection Valve (Installed)...................................................................................46
Figure 4-3 Heater for Siemens Liquid Injection Valve..................................................................................46
Figure 4-4 Explosion Proof/Flameproof Thermal Conductivity Detector.......................................................49
Figure 4-5 Thermal Conductivity Detector Beads on Modular Oven Application Module (Intrinsically
Safe TCD)...................................................................................................................................50
Figure 4-6 Flame Ionization Detector (without Insulation and Cover)...........................................................51
Figure 4-7 Flame Photometric Detector (without Insulation and Cover).......................................................51
Figure 4-8 Air Treater...................................................................................................................................52
Figure 4-9 Purged Methanator......................................................................................................................54
Figure 4-10 Explosion Proof Methanator........................................................................................................55
Figure 5-1 Maintenance Panels - Color Touchscreen (left) and legacy HMI (right)......................................57
Figure 5-2 Color Touchscreen Display.........................................................................................................59
Explosion Protection Safety Standards
Manual, August 2017, A5E02220442001 Rev 8
Table of contents
5