18
WFS 1545 Operations Manual
With the power on and the E-Stop button pulled out the blue Control Power indicating light
will illuminate when the Reset push button is depressed. The pumps and chillers can now be
started.
v.
Pump 1 Start / Stop Push Buttons
These buttons start and stop the Internal Recirculating Pump
vi.
Pump 2 Start / Stop Push Buttons
These buttons start and stop the Process Water Pump
vii.
Chiller On / Off Push Buttons
These buttons start and stop the Chiller
CAUTION:
To avoid ice damage do not run the chiller for more than 30 seconds without the Recirculating
Pump running.
viii.
Indicating Lights
These illuminate when the corresponding pump or chiller is running.
ix.
Beacon (Optional)
This illuminates when there is an alarm fault. As a reminder, it will also flash for 3 seconds
once every minute if Alarm Override is active. See Section XXX ALARMS
g.
OPTIONAL INSTRUMENTATION AND ALARMS
A variety of sensors and displays can be added to monitor process conditions and provide
additional protection for pumps and equipment. This equipment may initiate alarms if process
conditions exceed or fail to reach preset limits; a condition referred to as “out of window”. See
Section 4.h ALARMS.
i.
Water Temperature
This panel meter (PM-1) displays the water temperature that is going out to the process.
The sensor is installed just before the Process Supply Ball Valve. The panel meter is set to
trigger an alarm in the water temperature exceeds 80
o
F and may indicate a fault with the
chiller.