Lincoln Electric IM10109 CIRCULATOR - Manual (Page 20)

B-4 OPERATION B-4
CIRCULATOR
The throw can be adjusted by the potentiometer FAN
SPEED 0-100%. The fan speed ranges between
30Hz and 50Hz. The maximum throw is 130 ft. (40m)
at an air velocity of 1 to 1.6 ft/s (0.3 to 0.5m/s).
It is recommended to not over-dimension the capaci-
ty, but to strive for a proper air circulation at the low-
est possible fan speed.
• Adjust the nozzles to the best position. See Figure
B.2.
• Regulate the correct throw by adjusting the poten-
tiometer. If necessary, regulate the air volume con-
trol per nozzle. See Figure B.3.
MANUAL OPERATION
To control the system manually, proceed as follows.
1. Press MAN (manual). See Figure B.1.
2. After finishing the job, press AUTO (automatic).
See Figure B.1.
OUTLET NOZZLES
To optimize system performance of the CIRCULA-
TOR, position nozzles and air flow as follows:
• Direct the nozzles at the welding fume layer without
obstruction.
• Direct the nozzles to the section of the facility where
the highest concentration of welding fume occurs.
• Set the correct throw by regulating the airflow.
(Throw = Distance that pressurized air travels)
The airflow volume can be regulated by adjusting as
follows.
1. Fan speed is automatically regulated
2. Outlet nozzle damper (nozzles are adjustable)
See Figure B.2 and B.3 for more guidelines to
achieve a proper air circulation.
• Do NOT turn off the main switch.
• Make sure power supply and com-
pressed air are available after working
hours.
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ATTENTION
Throw Airflow/Nozzle Total Airflow Fan Speed Frequency
43 ft.
(13.1m)
393 CFM
(667 m 3 /h)
2353 CFM
(3997 m 3 /h)
1200 RPM 20Hz
130 ft.
(40m)
885 CFM
(1500 m 3 /h)
5300 CFM
(9000 m 3 /h)
3000 RPM 50Hz