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INSTALLATION
A-2
A-2
gENErAL DESCrIPTION
The DH-10 is a modular line of 42VAC input dual head 4-roll wire
feeders. A single control with dual procedure presettability of wire feed
speed (in IPM or M/min) and arc voltage for each head is used with a
single DC welding power source.
The DH-10 models have controls providing keypad or remote selec-
tability of wire drive head, and either of two procedures preset
independently for each head.
The units offer 4 independently selectable gun trigger modes for each
head procedure; cold feed, 2 step and 4-step trigger and spot weld
mode.
Also, 4 selectable, presettable timers for each head procedure; preflow,
postflow, burnback and spot weld time.
Arc starting can be optimized for each head procedure with 5 selectable
wire feed acceleration rates, and independent control of slower run-in
procedure.
A gas purge key is provided, as well as cold feed forward and reverse
keys with independently adjustable forward feed speed setting.
All of these features are selected with a tactile-feel keypad, and are set
independently for each head using one of two rotating knob encoders,
setting levels are displayed on one of two digital LED displays.
The DH Wire Drive assemblies include two heavy duty heads with
externally changeable gear ratio and 4 driven roll drives housed together
in a single combination mounting and connection box. Gun adapters
are available to permit use with a variety of standard welding guns.
This equipment is for industrial use only and it is not intended for
use in residential locations where the electrical power is provided by
the public low-voltage supply system. There can be potential diffi-
culties in residential locations due to conducted as well as radiated
radio-frequency disturbances. The EMC or RF classification of this
equipment is Class A.
Dh-10
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