2-2 ROWPU CONTROLS AND INDICATORS - cont.
Drain Valves. Refer to figure 2-10. Seven drain valves are located at front of ROWPU below the
R.O. tubes. These valves are used to draw samples at various stages of purification and to drain
water from unit before moving. Turn valve handle to the right (towards back of unit) to close
valve, turn valve handle to the left to open valve.
Figure 2-10. Drain Valves.
Change 2 2-17