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701 S Ridge Avenue, Troy, OH 45374
1-888-4HOBART • www.hobartcorp.com
VENTLESS
FRONT LOADING DISHWASHER
F-40273 – Ventless Front Loading Dishwasher Page 7 of 8
The microcomputer-based control system is built into
the AM Select Ventless dishwasher. It is available in
standard electrical specications of 208-240/60/1,
208-240/60/3, 480/60/3 and is equipped with a
reduced voltage pilot circuit transformer.
Water hardness must be controlled to 3 grains of
hardness or less for best results.
CONSTRUCTION: Drawn tank, tank shelf and feet
constructed of 16 gauge stainless steel. Wash cham-
ber and front trim panel above motor compartment
are polished, satin nish. Frame is 12 gauge stainless
steel, chamber is 18 gauge, and removable trim pan-
els are 20 gauge.
CHAMBER: Stainless steel chamber with large
20
3
⁄4" W x 27" H opening will accommodate 18" x 26"
sheet pans or a 60-quart mixing bowl.
CHAMBER LIFT: Chamber coupled by stainless steel
handle, spring counterbalanced. Chamber guided for
ease of operation and long life.
WASH PUMP: With stainless steel pump and impeller,
integral with motor assures alignment and quiet oper-
ation. Pump shaft seal with stainless steel parts and
a carbon ceramic sealing interface. Easily removable
impeller housing permits ease of inspection. Capacity
160 GPM. Pump is completely self-draining.
WASH PUMP MOTOR: Built for Hobart, 2 H.P., with
inherent thermal protection, grease-packed ball bear-
ings, splash-proof design, ventilated. Single-phase
is capacitor-start, induction-run type. Three-phase is
squirrel-cage, induction type.
RINSE PUMP: Powered by a
1
⁄15 H.P. single phase
motor, the rinse pump is made of high strength engi-
neered composite material.
BLOWER: The condenser blower is an all stainless
steel forward curved centrifugal wheel powered by
a
1
⁄20 H.P. TEFC single phase motor for nearly silent
operation.
CONDENSER COIL: The condensing system using a
tube and n coil constructed of copper and corrosion
resistant aluminum.
MICROCOMPUTER CONTROL SYSTEM: Hobart
microcomputer controls, assembled within water-
resistant enclosure, provide built-in performance and
reliability.
The microcomputer control, relays and contactors
are housed behind a stainless steel enclosure, hinged
to provide easy access for servicing. The line volt-
age electrical components are completely wired
with 105°C, 600V thermoplastic insulated wire with
stranded conductors. Electrical components are
wired with type ST cord. Line disconnect switch NOT
furnished.
CYCLE OPERATION: The microcomputer-timing
program is started by closing the doors, which actu-
ates the door cycle switch. The cycle light turns ON.
The microcomputer energizes the wash pump motor
contactor during the wash portion of the program.
After the wash, a dwell permits the upper wash mani-
fold to drain. At the end of the dwell, the nal rinse
pump is energized. After the nal rinse pump turns off,
Sani-Dwell permits sanitization to continue. The Rinse
display remains on during this period. The Blower and
Cold Water Valve turn on for 30 seconds to condense
the vapor laden air inside of the chamber. The display
shows a count down time (in seconds) during this
operation. After the 30 seconds is complete the
Cycle Light turns OFF, completing the program. If the
microcomputer is interrupted during a cycle by the
door-cycle switch, the microcomputer is reset to the
beginning of the program. 40 racks per hour – 87 sec-
onds: 38 Second Wash, 2 Second Dwell, 10 Second
Rinse, 7 Second Sani-Dwell. 30 Second Condensing.
Other programs can be pre-selected by your Hobart
service technician.
Manual wash cycle selector also provides selection of
2-, 4- or 6-minute wash cycles plus condense time for
heavier washing applications.
WASH: Hobart revolving stainless steel wash arms
with unrestricted openings above and below provide
thorough distribution of water jets to all dishware
surfaces. Arms are easily removable for cleaning and
are interchangeable. Stainless steel tubing manifold
connects upper and lower spray system.
RINSE: Rotating rinse arms, both upper and lower,
feature 14 rinse nozzles. The stainless steel upper and
lower rinse arms are easily removable without tools for
inspection and are interchangeable. The motor driven
rinse pump gives constant rinse pressure regardless
of water service supply pressure. Easy open brass line
strainer furnished.
HOT FILL: Microcomputer controlled ll is supplied
from the hot water service connection. It enters the
machine through an air gap system which protects
the potable water supply from contamination. Ratio
ll method is used giving the correct ll at any owing
water pressure.