Hach APA 6000 Maintenance And Troubleshooting Manual page 22

Figure 10 Plumbing diagram - Ammonia and
ammonia/monochloramine analyzers
1 Mixing chamber 7 Colorimeter drain
2 Rotary valve 8 Mixing chamber drain
3 Reaction coil 9 Cleaner
4 Colorimeter 10 Auxiliary valve
5 Holding coil 11 Standard 2
6 Pump (autburette) 12 Standard 1
22 English
Figure 11 Plumbing diagram - Low range hardness analyzer
1 Mixing chamber
2 Rotary valve
13 Reagent 1
3 Colorimeter
14 Reagent 2
4 Holding coil
15 Reagent 3
5 Pump (autoburette)
16 Waste
17 Sample 2
18 Sample 1
6 Colorimeter drain 11 Auxiliary valve
7 Mixing chamber drain 12 Reagent 2
8 Cleaner 13 Reagent 1
9 Standard 2 14 Sample 2
10 Standard 1 15 Sample 1