Functions - Lincoln Electric PRISM CENTRAL SYSTEM 2 Operator's Manual

PRISM CENTRAL SYSTEM 2
®
The Prism ® 2 is controlled by PLC with the following functions:
Start/Stop Fan feature activated by push button on
front.
Remote Start/Stop Fan feature activated by an external switch
or remote control.
following cases:
)
Filter bank online cleaning activated once the differential
b)
Once a level is reached, the system will wait for the fan to
hearing air blasts cycling to each filter, the Power On
Indicator will flash as a visual indication that the unit is
cleaning. The default pulse time is 250ms. After the
Online cleaning is activated with the Delta P pressure drop
settings. Default level is 1000Pa with a range of
100Pa-2500Pa. When the fan is running, and the Delta P
level
The Delta P Alarm default is set at 1500Pa. When the alarm is
active, the red Alarm light will blink on the main control
Electric.
The PLC will trigger an Alarm in case of:
Fan faults with a solid red alarm. After the cause has
been resolved, this alarm can be reset by pushing the
reset fan alarm button.
c) Low compressed air pressure is indicated with a quick
flash (short on/long off). This alarm is deactivated when
the pressure raises above the set point (default 5 Bar or
72psi).
DESCRIPTION
cabinet
FUNCTIONS OF THE PRISM
FILTER UNIT:
Manual start/stop ventilator
Remote start/stop of unit along with a "running" signal
available that the remote Robotic Welding Cell can monitor.
Adjustable airflow setting on PLC screen (1000 - 2000
cfm).
7) Alarm signal for:
a. Faulted fan
c. Low compressed air pressure
8) Reset Alarm
OPERATION
- ventilator operation is activated with the
Start/Stop Fan push button or with the remote Start/Stop.
NOTE: remote input takes precedence in operation. If the remote
signal starts the unit, pushing the Start/Stop Fan button on the
control panel will not stop the fans. The remote signal has to be
removed (opened) This will allow the Start/Stop Fan button to
operate normally again.
- Reset Alarm push button is used to reset the
alarm if the fan faults. Pressing this button for 5 seconds will
start manual cleaning process.
should open control cabinets under power.
Ventilation Fan Speed and Operation
airflow is preset in the controls (default 2000 cfm). Internal
pressure monitoring allows the controls to provide a varying
voltage signal to the EC fan that maintains constant airflow over
the life of the filters.
A solid red alarm light indicates a problem was detected by the
fan's electronics. If the cause of the alarm is resolved, the alarm
can be cleared by pushing the fan reset alarm button. If the alarm
remains, fan service is required.
OPERATION
® CENTRAL SYSTEM 2
- Ventilator fan