2 - 9 . OPERATING PROCEDURES .
Apply Electrical Power.
Twist and unlock seven fasteners (figure 2-52) on junction box cover.
Open junction box cover.
Push circuit breakers CB-1 thru CB-9 (45 to 53, figure 2-5) to on position (up).
Ensure that EMERGENCY STOP button (5, figure 2-5) on control box (9) is pulled out.
Push PANEL LIGHT switch (8) to TEST INDICATOR LIGHTS position. Check all lamps and
adjust dimmer knobs ( 10) as required.
R.O. PUMP LOW PRESSURE lamp on control box comes on as soon as power
is applied to the ROWPU.
Push EMERGENCY STOP button (5) whenever the following conditions exist:
Operating personnel could be injured or the equipment could be damaged if operation of
the ROWPU is allowed to continue.
R.O. PUMP HIGH PRESSURE lamp (2) comes on, but R.O. Pump does not automatically stop.
R.O. PUMP LOW PRESSURE lamp (1) comes on, but R.O. Pump does not automatically stop.
High pressure relief valve opens.
Rupture disc opens (ruptures) (Models WPES-10, WPES-20 and WPES-30 only).
Some other serious trouble (malfunction) indicated by noise, vibration, large water leaks, etc.
If low or high pressure switches shut down the ROWPU automatically, they can only be
reset with the R.O. PUMP RESET switch. After emergency shutdown, distribution of
potable water can still be made by pulling out the EMERGENCY STOP button and
running the distribution pump as required.
Start Raw Water Pump No. 1. Refer to figure 2-53.
Locate the lamp (3) and switch (7) for RAW WATER PUMP No. 1 on control box (9).
Set RAW WATER PUMP No. 1 switch (7) upward to START.
Hold switch (7) up until RAW WATER PUMP NO. 1 lamp (3) comes on.
Release RAW WATER PUMP No. 1 switch (7). Switch will return to RUN.
Change 2 2-85