SYSTEM DESCRIPTION
IMS Whisper® Loaders packages are complete self-contained material-loading systems with an
integral motor/fan (vacuum pump) providing efficient and economical operation with minimal
maintenance and downtime. Whisper® Loaders are shipped ready-to-run with minimal set-up. They
are pre-wired to plug into a grounded 120VAC/Ø1/20Amp receptacle (240VAC/Ø1/60Hz optional)
and designed to automatically convey material from a local source (typically located within 10 feet)
up-and-over to a machine material hopper, extruder, ‘Day’ bin or similar type of receiving vessel.
Standard packages include: Vacuum-Loader, Aluminum Pick-up Lance (sized to match line size of
the Loader's inlet), 10-ft length of clear PVC Flexible Hose (sized to match) with a pair of Hose
Clamps and Control Panel. The Whisper® Loaders is designed to automatically and efficiently
maintain material levels in a receiving device, drawing material from the source – at a timed rate
–set at the Control Panel. As an option Whisper® Loaders can be supplied with a Vibra-Pulse™
filter-cleaning system to automatically clean the filter following each conveying cycle.
IMS Whisper® Loaders operate on a batch principle. The duration of the conveying (run-time) and
dump cycle (dump-time) is determined by the controller settings. The Control Panel is equipped with
a PLC-type Controller module with adjustable (programmable) timer functions to control all timer-
related Loader functions. Under special circumstances or for conveying distances greater than 10
feet, adjustments to the factory settings may be necessary. Refer to the PLC sections for further
details.
The Whisper® Loader’s conveying-cycle frequency is "on demand" and will continue to cycle
(convey material) whenever the level in the receiving vessel falls below the point of the Loader’s
Dump Valve Flap, thus allowing it to close. Once the Dump Valve swings open the Proximity Switch
no longer senses the presence of the Valve’s Arm and in-turn signals the controller to stop the
Convey Cycle.
Numerous Whisper® Loaders options are available beyond the Standard base model; from Filtration
media (defined by the material being conveyed), receiving capacities, Proportional Conveying (from
two material sources), Loader-construction (food-grade or other requirements). Standard Whisper®
Loaders have a PLC Control Panel which can be configured for various types of functions including
auxiliary equipment controls.
Please Note: As of August 2006, due to ever-changing technologies and depleted resources, the
PCB (board) controller has been phased-out of current production. Customers who wish to retro-fit
existing 070 Control Panels to a new PLC controller – may contact IMS Customer Service
Department or a local representative for details.
© Copyright 2007 IMS Company. All rights reserved. An ISO 9001:2000 Registered Quality Company
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