Figure 2-36. Drain Valves (During Operation)
b. Vent Valves. Open all five vent valves as listed below. Three are on the control panel, one is behind
the panel and one is to the right of the top R.O. vessel.
1. VENT CARTRIDGE FILTER
2. VENT PULSE DAMPENER
3. VENT MULTIMEDIA FILTER
4. VENT VESSELS (BEHIND PANEL)
5. VENT PRODUCT WATER (see fig. 2-41)
The fifth vent valve, the VENT PRODUCT WATER
valve, is located on top of product water manifold.
Figure 2-37. Vent Valves