B-2
OPERATION
PRISM® SUSPEND 4000
CONTROL
FIGURE B.1
A. Power On / Filter Cleaning (Light)
B.
Alarm (Light)
C. Auto Run Mode (Light)
D. Test
(Switch)
E. Fan Start/Stop (Lighted Switch)
F.
Main Switch - Input Power
Functions
A. POWER / FILTER CLEANING
Light (white):
indicates the unit
has
power, is online, and available for operation. Blinking light
indicates that filter
cleaning is in progress.
B.
ALARM
Light (red): indicates one of
four
potential issues with
the unit.
1.
A solid red light indicates an EC motor drive fault.
2.
A flashing red light (2 seconds on; 2 seconds off),
indicates the filter pressure is above the maximum
DP
alarm set point and the filters should be
changed.
3.
A flashing red light (0.1 seconds on; 2 seconds off)
indicates insufficient supply of compressed air to
unit and filters will not clean properly during a
cleaning
cycle.
4.
A flashing red light (2 seconds on; 0.1 seconds off)
indicates an air intake damper malfunction.
C.
AUTO RUN MODE
Light (green): A solid green light indicates
unit's auto run mode is active and unit will start and stop
based
on the programmed schedule.
D.
TEST
Switch: When a damper alarm fault is indicated, one
press of this push button will trigger a damper test. If
damper
test passes, the fault is cleared. Review the
Troubleshooting
Section for further information on this
feature. Pressing this
button for more than
4
seconds will
trigger a manual cleaning.
E.
FAN START/STOP
Lighted Switch (green): With white
power
light on and fan off, pressing this button will start fan
and turn
on the green light. If filter cleaning is in process
(indicated by flashing white light), pressing of this button is
ignored. Pressing this button while unit is in Auto Run Mode
will manually start/stop the fan, but auto mode will take over
at
the next scheduled start/stop time.
NOTE - Reference control panel label for wiring specifications.
NOTE - Land power ground wire should be longer than all
other wires
A
B
C
D
E
F
