Figure 2-45. Product Flow Valve
Control Box Switches.
Check switches in the control box assemblies. If you find any switch in the START or RUN position, set
it to STOP or OFF.
Figure 2-46. Control Box Switches
The switches marked START are spring loaded. Upon release they return to the middle
(RUN) position. The ones marked JOG, RESET, and START BACKWASH return to the
normal position when released.
An indicator lamp is associated with each switch except for the EMERGENCY STOP button. Check the
setting of the EMERGENCY STOP button. Pull button until it remains out when released. This is the normal operating
Element cleaning switch. Check that the ELEMENT CLEANING switch is in the OFF position. It should be
off at all times except while cleaning R.O. elements (para. 2-29).