Clean/flush outlet valve V5 (1) - closed.
Media filter inlet valve V16 (2) - open.
Backwash inlet valve V15 (3) - closed.
Backwash outlet valve V17 (4) - closed.
Media filter outlet valve V35 (5) - open.
Media filter flush valve V36 (6) - open.
System Clean Valve Positions.
Clean/flush tank outlet valve V5 (1) - open.
All other automatic valves - closed.
Shutdown. When the ROWPU is shut down and drained, open all manually operated automatic valves to allow complete
Manual Operation of Automatic Valves for Model ROWPU-1. If an air operated valve fails to cycle as expected, the valve can
be manually controlled until the cause of the failure is determined and repair has been made. All the automatic valves in the
ROWPU can be hand operated when necessary. This paragraph gives the instructions for manually operating the valves and
tells how the valves should be set for various modes.
Identify failed automatic valves.
Blue lights indicate which valves are open.
Figure 2-76.1. Setting of Automatic Valves for Manual Operation.
(Model ROWPU-1 only)
Change 12 2-158.1