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B-6
DOWNFLEX 400-MS/A (Only)
CONTROL PANEL
The control panel is equipped with the following con-
trols. (See Figure B.3):
A. Main disconnect switch
B. Magnehelic Gauge
C. ON/OFF Button
D. OFFLINE MANUAL CLEANING
E. Alarm Lamp
FIGURE B.3 – CONTROL PANEL
ON / OFF
RESET ALARM / MANUAL CLEANING
REENCLENCHEMENT ALARME / DECOLMATAGE MANUEL
APAGAR ALARMA / LIMPIEZA MANUAL
B
PLASMA CUTTING:
548131
– standard work grid: NO plasma cutting
– plasma cutting work grid: max. 50 A
OTHER APPLICATIONS:
– READ THE MANUAL
A
OPERATION
1. Turn on the main switch (A). See Figure B.3.
Without movement
With movement
sensor and
welding
cable sensor:
• Push the ON/OFF
• Start welding /
button (C) to
grinding.
switch on the fan.
The fan will start
• Start welding /
and stop auto-
grinding.
matically.
• After finishing
welding / grinding,
push the ON /
OFF button (C) to
switch off the fan.
OPERATION
With welding
sensor:
cable sensor:
(for welding
only):
• Apply the clamp
of the welding
cable sensor to
the ground
cable of the
welding
machine.
• Start welding.
The fan will start
and stop auto-
matically.
DOWNFLEX 200/400
AUTOMATIC OFFLINE FILTER CLEANING
Each time the downdraft table is switched off, the filter
cartridges are automatically cleaned by a full cleaning
cycle. This procedure takes approximately 2 minutes,
during which each filter cartridge is cleaned by 10
compressed air blasts.
MANUAL FILTER CLEANING
If desired, the filter cleaning system can be activated
manually (offline cleaning only).
1. Push the ON/OFF button (C) to switch off the fan.
See Figure B.3.
2. Press and hold for 5 seconds the OFFLINE MANU
AL CLEANING button (D) to activate the
filter cleaning system. See Figure B.3.
C
This procedure takes approximately 2 minutes, during
which each filter cartridge is cleaned by 10 com-
pressed air blasts.
D
ALARM LAMP
E
The alarm lamp will flash two different signals:
•
2 Seconds on - 2 seconds off: clogged filter
•
Continuously on - compressed air supply not
available
When the differential pressure across the filter car-
tridges reaches 0.22 psi (1500 Pa) for more than 2
hours continuously, the alarm lamp will flash (2 sec-
onds on - 2 seconds off). In this case push the
ON/OFF button (C) to switch off the fan and initiate
the automatic offline filter cleaning cycle.
See Figure B.3.
B-6
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