ITW Dynatec
D15/D25/D45 V6 DC L ASU Manual #20-63
Description Page 2-1
Revised 10/14
Chapter 2
DESCRIPTION AND SPECIFICATIONS
Description
The D15/D25/D45 Series adhesive supply units (ASUs) are computer-controlled hot-melt supply
units designed on metric standards. Their “all-icon” control panels, with choice of display lan-
guages, are internationally o perator friendly.
Available in three hopper sizes and with a choice of dual or single gear pumps, the D15/D25/D45
ASUs use a microprocessor temperature control to closely control the temperature of hot-melt adhe-
sive for up to four hoses and four heads. Temperature setpoints are operator-selected for up to 15
zones and the system automatically provides warnings and alarms for operator errors and system
malfunctions.
The Dynamelt system provides accurate, proportionate temperature control for the hopper, hoses
and applicators. Sequential heating delays may be programmed for turn-on of the hoses and heads.
A “standby” temperature may be programmed so that the temperature zones can be maintained at a
lower temperature when the ASU is not i n active use, enabling rapid return to normal operation. A
seven-day scheduler and adhesive level sensor are standard features.
With these flexible temperature programming features, t he D15/D25/D45 system i ncreases adhesive
life by eliminating prolonged high adhesive temperatures. It reduces energy consumption and brings
the system up to normal operating temperatures in the shortest possible time.
The temperature control can interlock the parent machine with preselected adhesive temperatures so
that production automatically begins when adhesive temperatures are correct for the application. All
system temperature values can easily and quickly be programmed.
Digital readout of system conditions is provided. Optional external audible signals or lights which
alert the operator to alarm conditions may be wired in. A security code can restrict access to system
programming and parameters. The CPU monitors the electronic circuitry and provides alarms for
error conditions.
A choice of single or dual gear pumps, from 0.15 to 10 cc/ rev is available to assure a smooth and
precise adhesive flow. The pumps may be driven by a single or dual drive.
The D15/D25/D45’s teflon-coated hopper accepts adhesive in all popular forms, including pellets,
slugs and blocks. The ASU can accommodate air-actuated automatic applicators ( heads), electric
applicators, hand-held applicators and/or special applicators. Options available include a color
touch screen HMI, pressure gauge or transducer, drop-in grid, level control, digital RPM readout
(on touch screen models only) and casters.
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