Welder User Manual

Only qualified personnel should install, use or service
this equipment.
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Disconnect input power to the extraction system
before installing this equipment.
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INSTALLING THE SENSOR
The K1670-1 Auto Start/Stop Arc Sensor can be
installed with a:
K1669-1 Lamp Kit for a K1653-1 Mobiflex 200-M
OR
K1669-2 Lamp Kit for Wall-Mounted Systems.
OR
K1706-1 Lamp Kit for all other Mobiflex Units
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Remove the switch box (Fig. 1A) by squeezing togeth-
er the front and back. Pull the control board (Fig. 1D)
off the bottom of the switch (Fig. 1B). Disconnect the
lamp cable (Fig. 1C) from the control board using a
small screwdriver.
A-2
INSTALLATION
AUTOMATIC START/STOP ARC SENSOR
A-2
Read this entire installation section before you
start installation.
SAFETY PRECAUTIONS
Do not attempt to use this equipment until you have
thoroughly read all installation, operating and mainte-
nance information supplied with your equipment. They
include important safety precautions and detailed
operating and maintenance instructions.
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts such
as internal wiring.
• Turn the input power off at the fuse box
before working on this equipment.
• Have a qualified person install and ser-
vice this equipment.
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MOVING PARTS can injure.
• Do not operate without extraction arm
installed.
• Keep away from moving parts.
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GENERAL DESCRIPTION
The K1670-1 Automatic Start/Stop Arc Sensor can be
used with the Lamp Kit to automatically switch on the
connected extraction fan when it detects the arc flash,
and off (after a 20 second delay) after the arc stops.
If installed on a Mobiflex 200-M system with a
K1669-1 Lamp Kit, the Sensor will control the opera-
tion of the Mobiflex 200-M extraction fan.
If installed on a wall-mounted system including
SF2400 Fan with a K1669-2 Lamp Kit, the Sensor will
control the operation of the SF2400 Fan.
For information on installation with a Lamp Kit, refer to
the appropriate Lamp Kit manual.
For information on installation of a complete wall-
mounted system, refer to the SF2400 Fan manual.
For information on installation of a complete mobile
system, refer to the Mobiflex 200-M manual.
WARNING
WARNING
WH
BN
GN IMS LAMP
W
H
B
N
G
N
BK
B
K
A
D
B
C
Fig. 1