RS COMPACT FREEZE TUNNEL, Руководство по эксплуатации и обслуживанию

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OPERATION & MAINTENANCE MANUAL
CompactFreezer
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attached to the modules are anchored to the inner steel plates through the use of threaded rivet type
fasteners.
The fiberglass parts are high strength hand lay ‐ up molded fiberglass parts, coated with a food grade gel
coat. All joints in the fiberglass are on the outside surfaces where they are not subject to temperature
shocks or expansion and contraction. The doors are insulated with foam
‐ in ‐ place closed cell
polyurethane foam for high insulating value and high structural strength. The module is insulated with
staggered layers of preformed polyurethane foam to allow for minor expansion and contraction. There
are no direct metal heat conduction paths to the outside of the freezer. The door gaskets are
preformed spun polyester strips. If they are damaged, the individual gasket sections can be replaced
easily.
All exposed internal metal parts are stainless steel. The fan blades are stainless steel. All exposed plastic
parts are of materials approved by inspection agencies for use as food contact surfaces. The upper and
lower doors open on each side of the freezer to fully expose the inside for ease of cleaning.
3.4. CONVEYOR(S) / BELT(S)
The conveyor belt is an all stainless steel ¾” pitch Ashworth (or equivalent) omni grid style with side
drive links. The conveyor mesh overlay is selected to be suitable for the product to be cooled or frozen.
The conveyor drive gear reducer(s) is driven by a AC motor with the speed controller potentiometer
mounted on the freezer control panel. The horsepower of the drive motor (1/3 or greater) depends on
the width and length of the freezer.
The standard conveyor belt speed range is 5 to 22 ft per minute. Other speed ranges are provided as
required. If the conveyor needs to operate at extremely low speeds, a change in gear ratio may be
required. DC motor speed should be greater than 500 rpm to prevent the motor from overheating.
3.5. CIRCULATING FANS
The 1/2HP 1200 rpm motors (3 module) also stop almost instantly by using electric dynamic braking.
Whenever any upper door is raised, the safety limit switch will shut all circulating fan motors off, as well
as cryogen injection in the freezer.