Cooking & Holding Oven
Electric Manual Control
Model:
AS-250
• INSTALLATION
• OPERATION
• MAINTENANCE
W164 N9221 Water Street • P.O. Box 450 • Menomonee Falls, Wisconsin 53052-0450 USA
PHONE: 262.251.3800 • 800.558.8744 usa/caNada
FAX: 262.251.7067 • 800.329.8744 u.s.a. onlY
MN-28860 • 01/11
p r i n t e d i n u .s .a .
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DELIVERY
UNPACKING
1. Carefully remove the
appliance from the
carton or crate.
This Alto-Shaam appliance has been
thoroughly tested and inspected to ensure only
the highest quality unit is provided. Upon
receipt, check for any possible shipping damage
and report it at once to the delivering carrier.
See Transportation Damage and Claims section
located in this manual.
®
®
NOTE: Do not discard the
carton and other
packaging material
until you have
This appliance, complete with unattached
items and accessories, may have been delivered
in one or more packages. Check to ensure that all
standard items and options have been received
with each model as ordered.
inspected the unit
for hidden damage
and tested it for
proper operation.
2. Read all instructions in this manual carefully
Save all the information and instructions
packed with the appliance. Complete and return
the warranty card to the factory as soon as
possible to ensure prompt service in the event of a
warranty parts and labor claim.
before initiating the installation of this appliance.
DO NOT DISCARD THIS MANUAL.
This manual is considered to be part of the
appliance and is to be provided to the owner
or manager of the business or to the person
responsible for training operators. Additional
manuals are available from the Alto-Shaam
Tech Team Service Department.
This manual must be read and understood
by all people using or installing the equipment
model. Contact the Alto-Shaam Tech Team Service
Department if you have any questions concerning
installation, operation, or maintenance.
3. Remove all protective plastic film, packaging
materials, and accessories from the appliance
before connecting electrical power. Store any
accessories in a convenient place for future use.
NOTE: All claims for warranty must include the
full model number and serial number of
the unit.
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pg. 1
SAFETY PROCEDURES
AND PRECAUTIONS
Knowledge of proper procedures is essential to the
safe operation of electrically and/or gas energized
equipment. In accordance with generally accepted
product safety labeling guidelines for potential
hazards, the following signal words and symbols
may be used throughout this manual.
1. This appliance is intended to cook, hold
or process foods for the purpose of human
consumption. No other use for this appliance is
authorized or recommended.
2. This appliance is intended for use in commercial
establishments where all operators are
familiar with the purpose, limitations, and
associated hazards of this appliance. Operating
instructions and warnings must be read and
understood by all operators and users.
DANGER
Used to indicate the presence of
a hazard that WILL cause severe
personal injury, death, or substantial
property damage if the warning
included with this symbol is ignored.
3. Any troubleshooting guides, component views,
and parts lists included in this manual are for
general reference only and are intended for use
by qualified technical personnel.
WARNING
4. This manual should be considered a permanent
part of this appliance. This manual and all
supplied instructions, diagrams, schematics,
parts lists, notices, and labels must remain with
the appliance if the item is sold or moved to
another location.
Used to indicate the presence of
a hazard that CAN cause personal
injury, possible death, or major
property damage if the warning
included with this symbol is ignored.
CAUTION
NOTE
Used to indicate the presence of a
hazard that can or will cause minor or
moderate personal injury or property
damage if the warning included with
this symbol is ignored.
For equipment delivered for use
in any location regulated by the
following directive:
DO NOT DISPOSE OF ELECTRICAL
OR ELECTRONIC EQUIPMENT WITH
OTHER MUNICIPAL WASTE.
CAUTION
Used to indicate the presence of a hazard that
can or will cause minor personal injury, property
damage, or a potential unsafe practice if the
warning included with this symbol is ignored.
NOTE: Used to notify personnel of
installation, operation, or
maintenance information that is
important but not hazard related.
pg. 2
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INSTALLATION
DANGER
ALTERATION, ADJUSTMENT,
SERVICE, OR MAINTENANCE COULD
RESULT IN SEVERE INJURY, DEATH,
OR CAUSE PROPERTY DAMAGE.
CAUTION
METAL PARTS OF THIS EQUIPMENT
BECOME EXTREMELY HOT WHEN
IN OPERATION. TO AVOID BURNS,
ALWAYS USE HAND PROTECTION
WHEN OPERATING THIS APPLIANCE.
IMPROPER INSTALLATION,
READ THE INSTALLATION,
OPERATING AND MAINTENANCE
INSTRUCTIONS THOROUGHLY
BEFORE INSTALLING OR SERVICING
THIS EQUIPMENT.
DANGER
DO NOT store or use gasoline or other
flammable vapors or liquids in the
vicinity of this or any other appliance.
CAUTION
TO PREVENT PERSONAL INJURY,
USE CAUTION WHEN MOVING OR
LEVELING THIS APPLIANCE.
SITE INSTALLATION
Emissions testing conducted by Underwriters
Laboratories, Inc.® was found to be in compliance
with the applicable requirements of NFPA96:
2004 Edition, Par. 4.1.1.2. U.L emissions
sampling of grease laden vapor resulted in a total
of 0.55 milligrams per cubic meter with no visible
smoke and is considered representative of all
oven models in the line. Based on these results,
hood installation and/or outside venting should
not be a requirement in most areas. Verify local
codes for locations where more restrictive codes
are applicable.
The Alto-Shaam cook
®
and hold oven must be
installed in a location
that will permit the
oven to function
for its intended
purpose and to allow
adequate clearance
for ventilation,
proper cleaning, and
maintenance access.
1. The oven must be installed on a stable and
level surface.
2. DO NOT install this appliance in any area
where it may be affected by any adverse
conditions such as steam, grease, dripping
water, high temperatures, or any other severely
adverse conditions.
MINIMUM CLEARANCE
REQUIREMENTS
18” (457mm) minimum clearance at the back from
heat producing equipment. To protect the electronic
control, maintain sufficient side clearance to prevent
the control area from reaching any temperature at or
above 140°F (60°C). The oven must not be installed
in any area where it may be affected by steam,
grease, dripping water, extreme temperatures, or
any other severely adverse conditions.
3. DO NOT store or use any flammable liquids or
allow flammable vapors in the vicinity of this
oven or any other appliance.
4. This appliance must be kept free and clear of
any combustible materials.
5. This appliance must be kept free and clear
of any obstructions blocking access for
maintenance or service.
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pg. 3
INSTALLATION
SITE INSTALLATION
5-1/2" (140mm)
OPTIONS & ACCESSORIES
Carving Holder, Prime Rib
Shelf, Stainless Steel Wire
Stacking Hardware
hl-2635
SH-2786
4928
Electrical
Connection
7" (178mm)
from top
WEIGHT
net
86 lb (39 kg)
100 lb (45 kg)
ship
carton
36” x 20” x 21”
dimensions:
(914mm x 508mm x 533mm)
doMestic shipMeNts oNly
33-9/16" (853mm)
INSTALLATION AND START-UP
LEVELING
A number of adjustments are associated with
initial installation and start-up. It is important
that these adjustments be conducted by a qualified
service technician. Installation and start-up
adjustments are the responsibility of the dealer
or user. These adjustments include but are not
limited to thermostat calibration, door adjustment,
leveling, electrical hook-up and installation of
optional casters or legs.
Level the oven
from side-
to-side and
front-to-back with the use of a
spirit level. For ovens installed with casters, it is
important that the installation surface be level due
to the probability of frequent oven repositioning.
We recommend checking the level of the oven
periodically to make certain the floor has not
shifted nor the oven moved.
CAUTION
NOTE: Failure to properly level this oven can
cause improper function and will result
in the uneven baking with products
consisting of semi-liquid batter.
TO PREVENT PERSONAL INJURY,
USE CAUTION WHEN MOVING OR
LEVELING THIS APPLIANCE.
pg. 4
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INSTALLATION
SITE INSTALLATION
LEG INSTALLATION INSTRUCTIONS
Bottom View
ቢ
ቢ
ባ
ባ
ባ
ባ
Item
Description
Legs
Part No.
11547
Qty
1
2
2
4
Nylon Screws
SC-2464
1. Attach legs a to bottom of unit using four (4) nylon screws b .
WARNING
Failure to properly install the
legs can cause unit to tip when
the door is opened resulting in
possible equipment damage or
personal injury.
AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 5
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INSTALLATION
ELECTRICAL CONNECTION
The appliance must be installed by a qualified service
technician. The oven must be properly grounded in
accordance with the National Electrical Code and
applicable local codes.
CAUTION
THIS SECTION IS PROVIDED FOR THE ASSISTANCE
OF QUALIFIED SERVICE TECHNICIANS ONLY AND
IS NOT INTENDED FOR USE BY UNTRAINED OR
UNAUTHORIZED SERVICE PERSONNEL.
Plug the unit into a properly grounded receptacle
ONLY, positioning the unit so that the plug is easily
accessible in case of an emergency. Arcing will occur
when connecting or disconnecting the unit unless all
controls are in the “off” position.
DANGER
ENSURE POWER SOURCE
Proper receptacle or outlet configuration or
permanent wiring for this unit must be installed by
a licensed electrician in accordance with applicable
local electrical codes.
MATCHES VOLTAGE STAMPED
ON APPLIANCE NAMEPLATE.
230V:
To prevent an electrical shock hazard between the
appliance and other appliances or metal parts in
close vicinity, an equalization-bonding stud is
provided. An equalization bonding lead must be
connected to this stud and the other appliances /
metal parts to provide sufficient protection against
potential difference. The terminal is marked with
the following symbol.
DANGER
To avoid electrical shock, this
appliance MUST be adequately
grounded in accordance with local
electrical codes or, in the absence of
local codes, with the current edition
of the National Electrical Code ANSI/
NFPA No. 70. In Canada, all electrical
connections are to be made in
accordance with CSA C22.1, Canadian
Electrical Code Part 1 or local codes.
NOTE: 230V appliances must be connected to an
electrical circuit that is protected by an
external GFCI outlet.
ELECTRICAL
voltage
phase
cycle/hz
amps
kW
125
1
60
10.4
1.3
NeMa 5-15p
15a, 125V plug
230
1
50/60
5.5
1.2
CEE 7/7
220-230V Plug
pg. 6
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OPERATING INSTRUCTIONS
USER SAFETY INFORMATION
The Alto-Shaam cook and hold oven is intended
for use in commercial establishments by qualified
operating personnel where all operators are
familiar with the purpose, limitations, and
associated hazards of this appliance. Operating
instructions and warnings must be read and
understood by all operators and users.
CAUTION
METAL PARTS OF THIS EQUIPMENT
BECOME EXTREMELY HOT WHEN
IN OPERATION. TO AVOID BURNS,
ALWAYS USE HAND PROTECTION
WHEN OPERATING THIS APPLIANCE.
START-UP OPERATION
BEFORE INITIAL USE:
Interior oven surfaces must be heated to remove
surface oils and the accompanying odor produced
during the first use of the oven.
DANGER
AT NO TIME SHOULD THE INTERIOR
OR EXTERIOR BE STEAM CLEANED,
HOSED DOWN, OR FLOODED WITH
WATER OR LIQUID SOLUTION OF
ANY KIND. DO NOT USE WATER JET
TO CLEAN.
1. Wipe all wire shelves, side racks and the full oven
interior with a clean, damp cloth. Install the oven
side racks, oven shelves, and external drip tray.
Shelves are installed with the curved edge toward
the back of the oven. Insert the drip pan on the
interior bottom surface of the oven.
SEVERE DAMAGE OR
ELECTRICAL HAZARD
COULD RESULT.
2. • Close the oven doors
WARRANTY BECOMES VOID IF
APPLIANCE IS FLOODED
• Press and release control oN/off key.
• Press the COOK key.
• Press the up and down arrows to set the cooking
temperature to 300°F (149°C).
DANGER
3. • Press the TIME key.
DISCONNECT UNIT FROM
POWER SOURCE BEFORE
CLEANING OR SERVICING.
• Press the up and down arrows to set the
cooking time to approximately 2 hours.
• Allow the oven to cycle for approximately
2 hours or until no odor is detected.
AUDIBLE SIGNALS
OVEN BEEPING indicates a response, mode changes, and error conditions.
One brief beep - response to a key being pressed.
Two brief beeps - informative beep that indicates that something has been changed, such
as the user entering a volume change, entering a temperature scale
change, etc.
Three brief beeps - indicates the oven is done preheating, the probe has exceeded
set-point in cold smoking, the door has been open too long, or the
control is unlocked.
Four brief beeps - indicates an error. Refer to the Trouble Shooting section of this manual.
Beeper Volume Selection - With the control in the off mode, press and hold the down arrow Key until the
display shows one of the 4 volume levels (0 being off or the lowest, and 3 being the highest). After each
change, the button must be released and the display must clear before the procedure can be repeated to
select a different volume level. Turn the unit on and then off again to store the desired set point.
AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 7
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OPERATING INSTRUCTIONS
CONTROL FEATURES
COOK INDICATOR
Illuminates when oven is cooking.
PRE-HEAT INDICATOR
Illuminates until the oven
is preheated.
READY INDICATOR
Illuminates when the oven has
finished preheating.
LOCK INDICATOR
When illuminated, this symbol
indicates settings used in the
cooking sequence are locked and
cannot be changed.
UP/DOWN ARROWS
Used to increase or decrease set
time, including cooking, holding
and probe temperature settings.
DIGITAL DISPLAY
Indicates appropriate time or
temperature and displays control in
°F or °C mode.
MINUTES INDICATOR
Illuminates when minutes are
displayed on the Digital Display.
COOK BUTTON
Used for setting COOK
temperature or recalling and
checking previously set
cooking temperature.
HOLD BUTTON
Used for setting HOLD temperature
or recalling and checking previously
set holding temperature.
TIME BUTTON
PROBE BUTTON
Used for setting probe cut-off
temperature or recalling and
checking previously set probe
cut-off temperature.
Used for setting cooking time or
recalling and checking previously
set time. (3 digits - Minimum)
PRESETS PROGRAM KEYS
Provides memory storage and
operation of operator set cooking
programs for specific products.
START BUTTON
After all required settings have
been entered, START begins the
cooking-holding sequence.
PRESET LOCK
Enables locking abilities.
PROGRAM MENU
IDENTIFICATION
CARD SLOT
PRE-SET PROGRAM
CANCEL BUTTON
Used to erase a program from
memory storage.
POWER ON BUTTON
Used to start control set-up
sequence from the reset mode.
pg. 8
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OPERATING INSTRUCTIONS
OPERATING FEATURES & FUNCTIONS
Probe Usage:
To stop an operation at any time — Press and hold
the start Key until the control beeps for two seconds,
indicating the operation has been cancelled. The oven
will remain in a power-on state.
When the oven probe remains inserted in the probe
bracket, the LED temperature display will indicate the
ambient air temperature inside the oven. To use the
probe for cooking remove it from the bracket and wipe
the full length of the metal probe with a disposable
alcohol pad to clean and sanitize before using.
To turn oven control panel off — Press and hold the
oN/off Key until the oven beeps. The ON/Off indicator
light will go out.
Only the tip of the probe senses the internal product
temperature; therefore, it is important the tip be placed
correctly in the product for internal temperature accuracy.
Push the probe tip halfway into the product, positioning
the tip at the center of the food mass. When inserting
the probe into solid foods such as meat roast or poultry
breasts, push the probe in from a straight downward
position or in from the side to the center position. If
placing into a semi-liquid or liquid product, the probe
cable must be secured to keep the probe positioned
properly. Do not let the probe tip touch the edges,
bottom or side of a container. Tape the probe cable to the
lip or edge of the container.
Door open indicator — Display will flash “door” and
a triple beep will alert the user. Press ON/Off key to
acknowledge error and disable triple beep.
Arrow Keys:
Cook, Hold and Probe Temperature set points can be
adjusted by 1° when pressing the arrow Keys. To adjust
in steps of 10°, press and hold the temperature Key and
arrow Key at the same time.
The Time setting is adjusted in increments of 1 minute by
pressing the arrow Keys. To make adjustment in steps of
10 minutes, press and hold the time Key and arrow Key at
the same time.
Green and Amber Indicators:
Green
Each program key includes a green
light which indicates a requirement
for additional programming by the
operator or the current operational
state of the oven.
NOTE: When cooking by probe, insert the probe
into the raw product after the oven has been
preheated.
Amber
WAIT ONE FULL MINUTE to allow the probe
temperature to decrease to the internal temperature
of the product. Press the start button to begin
the cooking process after this probe temperature
adjustment period. A false probe reading of the
internal product temperature will cause the oven to
default to a holding temperature.
The cook, tiMe, probe, and hold keys include an amber
indicator light to identify the information being displayed.
Power Fail Detect:
If the power were to fail for any reason while heating, the
control will retain, in memory, the programmed operating
conditions. When power is restored, the control will
resume operating from the point where it was interrupted
and the ON/Off indicator light will flash, indicating that
such an event did occur. The operator can acknowledge
the power failure by pressing the ON/Off key. Pressing
the key will display the amount of time that the power
has been off. The control will stop counting the amount
of time the power has been off when it has been off for
more than 24 hours.
Probe Calibration:
1. To verify product probe calibration, place the
probe in a warm glass of water along with a
quality independent digital thermometer and
press the probe key for two (2) seconds to
display the probes actual temperature. Compare
readings.
NOTE: If such an event has occurred, it is strongly
recommended that you ensure the food is safe for
consumption according to local health regulations.
2. If calibration is required, press the probe key
for eight (8) seconds until the unit beeps twice
and the probe offset is displayed. Adjust the
probe offset to match the difference between the
independent probe temperature and the control
probe temperature by pressing the up or down
arrows to increase or decrease the offset.
Display High/Low Probe Temperatures:
To observe the recorded maximum or minimum probe
temperature when cooking by probe, press the following
keys while the probe remains in the product:
Highest Temperature: Press probe Key and up arrow
3. Repeat steps 1 and 2 to verify the probe
Key at same time.
calibration as necessary.
Lowest Temperature: Press probe Key and down arrow
Key at same time.
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pg. 9
OPERATING INSTRUCTIONS
Cook/Hold Instructions
Press and release control On/Off key. The oven will beep for one second and power to the unit
will be indicated by an illuminated green indicator light located in the upper left corner of the
ON/Off key. The oven will begin operating in the hold mode. The amber Hold indicator will be
illuminated and the last set hold temperature will be displayed.
To set Cook temperature — Press cook Key. Oven preheat indicator will illuminate and the last
set cooking temperature is displayed. To change the cook temperature, press the up or down
arrow Keys.
If cooking by time — press the time Key. The green time indicator will illuminate and the last set
cooking time will be displayed. To change the set time, press the up or down arrow Key. The
display will alternate between the set temperature and the elapsed time.
If cooking by probe — press the probe Key. The green probe indicator will illuminate and the last
set internal product temperature will be displayed. To change the set temperature, press the up
or down arrow Key. The display will alternate between the set temperature, the elapsed time,
and the probe temperature.
To set Hold temperature — Press the hold Key. The green cook indicator light will remain
illuminated. To change the hold temperature, press the up or down arrow Key. The display will
alternate between the set hold temperature and the amount of time the product has been in the
hold mode. Oven will remain in the hold mode until the oN/off key is pressed.
Press Start key to begin cooking cycle.
To Cook/Hold using Preset Menu Keys
Press Desired PreSet Key (A through F). preset Keys with stored cooking programs will have
green indicator illuminated. The oven will automatically enter preheat mode. Oven will beep
periodically when it has reached a preheat ready state, and both the Ready and Start indicator
lights will flash. To program a preset menu key, see Programming a Preset in this manual.
Press Start key to begin cooking cycle.
CAUTION
TO MAINTAIN SAFE TEMPERATURE
LEVELS, COLD FOOD FOR
RETHERMALIZATION OR REHEATING
MUST NEVER BE ADDED TO THE OVEN
WHILE HOT FOODS ARE BEING HELD.
pg. 10
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OPERATING INSTRUCTIONS
Programming a Preset
Select the product to be programmed and begin programming with the oven control power Off.
Press and release control On/Off key. The oven will beep for one second and power to the unit
will be indicated by an illuminated green indicator light located in the upper left corner of the
ON/Off key. The oven will begin operating in the hold mode. The amber Hold indicator will be
illuminated and the last set hold temperature will be displayed.
To set Cook temperature — Press cook Key. Oven preheat indicator will illuminate and the last
set cooking temperature is displayed. To change the cook temperature, press the up or down
arrow Keys.
If cooking by time — press the time Key. The green time indicator will illuminate and the last set
cooking time will be displayed. To change the set time, press the up or down arrow Key. The
display will alternate between the set temperature and the elapsed time.
If cooking by probe — press the probe Key. The green probe indicator will illuminate and the last
set internal product temperature will be displayed. To change the set temperature, press the up
or down arrow Key. The display will alternate between the set temperature, the elapsed time,
and the probe temperature.
To set Hold temperature — Press the hold Key. The green cook indicator light will remain
illuminated. To change the hold temperature, press the up or down arrow Key. The display will
alternate between the set hold temperature and the amount of time the product has been in the
hold mode. Oven will remain in the hold mode until the oN/off key is pressed.
Select a letter code for the product programmed by the previous steps. Press and hold the selected
preset key for two seconds. When the preset has been saved, you will hear a one second beep and the
preset light will illuminate.
Note: Only one preset can be programmed at a time. If programming an additional preset is
desired, the unit must be started and stopped either by cycling the power to the cavity or by
pressing the Start/Stop key. The last preset Key used will be the oven cooking run sequence
for the next product to be programmed. Settings can be manually changed for the next
product and an alternate pre-programmed letter key selected.
Erasing a Preset
To erase a program, the oven must be in either the power-up hold mode or in the preheat mode. The oven
cannot be running a preset Menu program.
When the oven is in the power-up hold mode or in the preheat mode, press and hold the caNcel Key and
then the appropriate letter preset Key to be erased for two seconds. When the preset has been erased the
oven will beep for one second.
IMPORTANT - After programming a specific product into memory in a programmable
preset key, it is very important to make a written permanent record of the product and the
program letter assigned. Menu card (PE-23384) is provided for this purpose.
AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 11
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OPERATING INSTRUCTIONS
HOLDING TEMPERATURE RANGE
General Holding Guideline
MEAT
BEEF ROAST — Rare
FAHRENHEIT
CELSIUS
Chefs, cooks and other specialized food service
personnel employ varied methods of cooking. Proper
holding temperatures for a specific food product
must be based on the moisture content of the
product, product density, volume, and proper serving
temperatures. Safe holding temperatures must also
be correlated with palatability in determining the
length of holding time for a specific product.
130°F
54°C
BEEF ROAST — Med/Well Done
BEEF BRISKET
CORN BEEF
155°F
68°C
160° — 175°F
160° — 175°F
160° — 175°F
130°F
71° — 79°C
71° — 79°C
71° — 79°C
54°C
PASTRAMI
PRIME RIB — Rare
STEAKS — Broiled/Fried
RIBS — Beef or Pork
VEAL
140° — 160°F
160°F
60° — 71°C
71°C
Halo Heat maintains the maximum amount of
product moisture content without the addition of
water, water vapor, or steam. Maintaining maximum
natural product moisture preserves the natural
flavor of the product and provides a more genuine
taste. In addition to product moisture retention, the
gentle properties of Halo Heat maintain a consistent
temperature throughout the cabinet without
the necessity of a heat distribution fan, thereby
preventing further moisture loss due to evaporation
or dehydration.
160° — 175°F
160° — 175°F
160° — 175°F
160° — 175°F
71° — 79°C
71° — 79°C
71° — 79°C
71° — 79°C
HAM
PORK
LAMB
POULTRY
CHICKEN — Fried/Baked
DUCK
160° — 175°F
160° — 175°F
160° — 175°F
160° — 175°F
71° — 79°C
71° — 79°C
71° — 79°C
71° — 79°C
TURKEY
GENERAL
FISH/SEAFOOD
FISH — Baked/Fried
LOBSTER
160° — 175°F
160° — 175°F
160° — 175°F
71° — 79°C
71° — 79°C
71° — 79°C
When product is removed from a high temperature
cooking environment for immediate transfer into
equipment with the lower temperature required
for hot food holding, condensation can form on the
outside of the product and on the inside of plastic
containers used in self-service applications. Allowing
the product to release the initial steam and heat
produced by high temperature cooking can alleviate
this condition. To preserve the safety and quality of
freshly cooked foods, however, a maximum of 1 to 2
minutes must be the only time period allowed for the
initial heat to be released from the product.
SHRIMP — Fried
BAKED GOODS
BREADS/ROLLS
120° — 140°F
49° — 60°C
MISCELLANEOUS
CASSEROLES
DOUGH — Proofing
EGGS —Fried
FROZEN ENTREES
HORS D'OEUVRES
PASTA
160° — 175°F
80° — 100°F
150° — 160°F
160° — 175°F
160° — 180°F
160° — 180°F
160° — 180°F
180°F
71° — 79°C
27° — 38°C
66° — 71°C
71° — 79°C
71° — 82°C
71° — 82°C
71° — 82°C
82°C
PIZZA
POTATOES
Most Halo Heat Holding Equipment is provided
with a thermostat control between 60° and 200°F
(16° to 93°C). If the unit is equipped with vents, close
the vents for moist holding and open the vents for
crisp holding.
PLATED MEALS
SAUCES
140° — 165°F
140° — 200°F
140° — 200°F
160° — 175°F
60°— 74°C
60° — 93°C
60° — 93°C
71° — 79°C
SOUP
VEGETABLES
THE HOLDING TEMPERATURES LISTED ARE SUGGESTED GUIDELINES ONLY. ALL
FOOD HOLDING SHOULD BE BASED ON INTERNAL PRODUCT TEMPERATURES.
ALWAYS FOLLOW LOCAL HEALTH (HYGIENE) REGULATIONS FOR ALL INTERNAL
TEMPERATURE REQUIREMENTS.
pg. 12
AS-250 inStAllAtion/operAtion/Service mAnuAl
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CARE AND CLEANING
CLEANING AND PREVENTIVE MAINTENANCE
PROTECTING STAINLESS STEEL SURFACES
CLEANING AGENTS
It is important to guard against corrosion
in the care of stainless steel
Use non-abrasive cleaning products designed for
use on stainless steel surfaces. Cleaning agents
must be chloride-free compounds and must not
contain quaternary salts. Never use hydrochloric
acid (muriatic acid) on stainless steel surfaces.
Always use the proper cleaning agent at the
manufacturer's recommended strength.
surfaces. Harsh, corrosive,
or inappropriate chemicals
can completely destroy the
protective surface layer
of stainless steel. Abrasive
pads, steel wool, or metal implements will abrade
surfaces causing damage to this protective coating
and will eventually result in areas of corrosion.
Even water, particularly hard water that contains
high to moderate concentrations of chloride, will
cause oxidation and pitting that result in rust
and corrosion. In addition, many acidic foods
spilled and left to remain on metal surfaces are
contributing factors that will corrode surfaces.
Contact your local cleaning supplier for
product recommendations.
CLEANING MATERIALS
The cleaning function can usually be accomplished
with the proper cleaning agent and a soft, clean
cloth. When more aggressive methods must be
employed, use a non-abrasive scouring pad on
difficult areas and make certain to scrub with the
visible grain of surface metal to avoid surface
scratches. Never use wire brushes, metal scouring
pads, or scrapers to remove food residue.
Proper cleaning agents, materials, and
methods are vital to maintaining the appearance
and life of this appliance. Spilled foods should be
removed and the area wiped as soon as possible
but at the very least, a minimum of once a day.
Always thoroughly rinse surfaces after using a
cleaning agent and wipe standing water as quickly
as possible after rinsing.
CAUTION
TO PROTECT STAINLESS STEEL
SURFACES, COMPLETELY AVOID
THE USE OF ABRASIVE CLEANING
COMPOUNDS, CHLORIDE BASED
CLEANERS, OR CLEANERS
CONTAINING QUATERNARY SALTS.
NEVER USE HYDROCHLORIC ACID
(MURIATIC ACID) ON STAINLESS
STEEL. NEVER USE WIRE
BRUSHES, METAL SCOURING
PADS OR SCRAPERS.
AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 13
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CARE AND CLEANING
EQUIPMENT CARE
11. To help maintain the protective film coating on
polished stainless steel, clean the exterior of the
cabinet with a cleaner recommended for stainless
steel surfaces. Spray the cleaning agent on a clean
cloth and wipe with the grain of the stainless steel.
Under normal circumstances, this
oven should provide you with long
and trouble free service. There is no
preventative maintenance required,
however, the following Equipment
Care Guide will maximize the potential life and trouble
free operation of this oven.
12. Clean any glass with a window cleaner.
Always follow appropriate state or local health
(hygiene) regulations regarding all applicable cleaning
and sanitation requirements for equipment.
The cleanliness and appearance of this equipment will
contribute considerably to operating efficiency and
savory, appetizing food. Good equipment that is kept
clean works better and lasts longer.
CLEAN THE DOOR VENTS
Door vents need to be inspected and cleaned
as required.
CLEAN DAILY
CLEAN THE PROBES DAILY
1. Disconnect unit from power
source, and let cool.
Remove all food soil from probes.
Wipe entire probe and cable
2. Remove all detachable items
assembly with warm detergent
such as wire shelves, side racks,
solution and a clean cloth.
and drip pans. Clean these
Remove detergent by wiping each
items separately.
probe and cable with clean rinse
3. Wipe the interior metal surfaces
of the oven with a paper towel
water and a cloth. Wipe probes and probe brackets
with disposable alcohol pad or sanitizing solution
recommended for food contact surfaces. Allow probe
and cable to air dry in probe holding bracket.
to remove loose food debris.
4. Clean the interior metal surfaces of the cabinet
with a damp clean cloth or sponge and any good
commercial detergent.
NOTE: Avoid the use of abrasive cleaning compounds,
chloride based cleaners, or cleaners containing
quaternary salts. Never use hydrochloric acid
(muriatic acid) on stainless steel.
CHECK THE COOLING FAN IN THE OVEN
CONTROL AREA
While the oven is warm, check that the cooling fan in
the oven control area is functioning. The fan is located
at the back of the unit, toward the top.
5. Spray heavily soiled areas with a water soluble
degreaser and let stand for 10 minutes, then
remove soil with a plastic scouring pad.
6. Wipe control panel, door vents, door handles, and
door gaskets thoroughly since these areas harbor
food debris.
CHECK OVERALL CONDITION OF
OVEN ONCE A MONTH
Check the oven once a month for physical damage and
loose screws. Correct any problems before they begin
to interfere with the operation of the oven.
7. Rinse surfaces by wiping with sponge and clean
warm water.
8. Remove excess water with sponge and wipe dry
with a clean cloth or air dry. Leave doors open
until interior is completely dry. Replace side racks
and shelves.
9. Wipe door gaskets and control panel dry with a
clean, soft cloth.
10. Interior can be wiped with a sanitizing solution
after cleaning and rinsing. This solution must
be approved for use on stainless steel food
contact surfaces.
DANGER
AT NO TIME SHOULD THE INTERIOR
OR EXTERIOR BE STEAM CLEANED,
HOSED DOWN, OR FLOODED WITH
WATER OR LIQUID SOLUTION OF
ANY KIND. DO NOT USE WATER JET
TO CLEAN.
SEVERE DAMAGE OR
ELECTRICAL HAZARD
COULD RESULT.
WARRANTY BECOMES VOID IF
APPLIANCE IS FLOODED
DANGER
DISCONNECT UNIT FROM
POWER SOURCE BEFORE
CLEANING OR SERVICING.
DO NOT USE OVEN IF CONTROLS ARE NOT
PROPERLY FUNCTIONING
Refer to the Trouble Shooting Guide located in this
manual or call an authorized service technician.
pg. 14
AS-250 inStAllAtion/operAtion/Service mAnuAl
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SANITATION
Food flavor and aroma are usually so closely
The most accurate method of measuring safe
temperatures of both hot and cold foods is
by internal product temperature. A quality
thermometer is an effective tool for this purpose,
and should be routinely used on all products that
require holding at a specific temperature.
related that it is difficult, if not impossible,
to separate them. There is also an important,
inseparable relationship between cleanliness
and food flavor. Cleanliness, top operating
efficiency, and appearance of equipment contribute
considerably to savory, appetizing foods.
Good equipment that is kept clean, works
better and lasts longer.
A comprehensive sanitation program should
focus on the training of staff in basic sanitation
procedures. This includes personal hygiene,
proper handling of raw foods, cooking to a safe
internal product temperature, and the routine
monitoring of internal temperatures from receiving
through service.
Most food imparts its own particular aroma
and many foods also absorb existing odors.
Unfortunately, during this absorption there is
no distinction between GOOD and BAD odors.
The majority of objectionable flavors and odors
troubling food service operations are caused by
bacteria growth. Sourness, rancidity, mustiness,
stale or other OFF flavors are usually the result of
germ activity.
Most food-borne illnesses can be prevented
through proper temperature control and a
comprehensive program of sanitation. Both these
factors are important to build quality service as
the foundation of customer satisfaction. Safe food
handling practices to prevent food-borne illness is
of critical importance to the health and safety of
your customers.
The easiest way to insure full, natural food flavor
is through comprehensive cleanliness. This means
good control of both visible soil (dirt) and invisible
soil (germs). A thorough approach to sanitation
will provide essential cleanliness. It will assure
an attractive appearance of equipment, along with
maximum efficiency and utility. More importantly,
a good sanitation program provides one of the key
elements in the prevention of food-borne illnesses.
HACCP, an acronym for Hazard Analysis (at)
Critical Control Points, is a quality control program
of operating procedures to assure food integrity,
quality, and safety. Taking steps necessary to
augment food safety practices is both cost effective
and relatively simple. While HACCP guidelines
go far beyond the scope of this manual, additional
information is available by contacting:
A controlled holding environment for prepared
foods is just one of the important factors involved
in the prevention of food-borne illnesses.
Temperature monitoring and control during
receiving, storage, preparation, and the service of
foods are of equal importance.
CENTER FOR FOOD SAFETY AND APPLIED
NUTRITION FOOD AND DRUG ADMINISTRATION
1-888-SAFEFOOD
INTERNAL FOOD PRODUCT TEMPERATURES
HOT FOODS
40° TO 140°F
70° TO 120°F
140° TO 165°F
DANGER ZONE
CRITICAL ZONE
SAFE ZONE
(4° TO 60°C)
(21° TO 49°C)
(60° TO 74°C)
COLD FOODS
ABOVE 40°F
36° TO 40°F
DANGER ZONE
SAFE ZONE
(ABOVE 4°C)
(2° TO 4°C)
FROZEN FOODS
ABOVE 32°F
0° TO 32°F
DANGER ZONE
CRITICAL ZONE
SAFE ZONE
(ABOVE 0°C)
(-18° TO 0°C)
0°F or below
(-18°C or below)
AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 15
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SERVICE
TROUBLE SHOOTING
Error
Code Description
Possible Cause
Cavity air sensor reading < 5°F. Verify sensor integrity.
See sensor test instructions below.
E-10 Cavity air sensor shorted
E-11 Cavity air sensor open
Cavity air sensor reading > 517°F. Verify sensor integrity.
See sensor test instructions below.
Product probe is shorted
E-20
Product probe reading < 5°F. Verify sensor integrity.
See sensor test instructions below.
Oven will cook in time only
Product probe is open
E-21
Product Probe reading > 517°F. Verify sensor integrity.
See sensor test instructions below.
Oven will cook in time only
E-30 Under temperature
Unit has not reached set-point for more than 90 minutes.
Unit has been higher than 25°F above the maximum cavity set-point for
more than 2 minutes. Note: Holding Cabinets with this error code are
more than 145°F higher than the maximum set-point.
E-31 Over temperature
E-50 Temp. measurement error
E-51 Temp. measurement error
E-60 Real time clock error
E-61 Real time clock error
Contact factory.
Contact factory.
Data set to factory default. Ensure that date and time are correct if applicable.
Contact factory.
Voltage below 90 VAC on a 125 VAC unit, or below 190 VAC on a
208-240 VAC unit. Correct voltage.
E-78 Voltage low
E-79 Voltage high
E-80 EEPROM Error
Voltage over 130 VAC on a 125 VAC unit, or over 250 VAC on a
208-240 VAC unit. Correct voltage.
Ensure that all temperatures and times are properly set.
Contact factory if problem persists.
E-81 EEPROM Error
E-82 EEPROM Error
E-83 EEPROM Error
E-85 EEPROM Error
Contact factory.
Contact factory.
Contact factory.
All timers, if previously on, are now off. Possible bad EEPROM.
Stored HACCP memory corrupted. HACCP Address reset to 1. Possible bad
EEPROM. Contact factory if problem persists.
E-86 EEPROM Error
E-87 EEPROM Error
E-88 EEPROM Error
E-90 Button stuck
E-dS Datakey error
Stored offsets corrupted. Offsets reset to 0. Control may need a recalibration.
Possible bad EEPROM. Contact factory if problem persists.
All timer set-points are reset to 1 minute. Timers, if previously on, are now
off. Possible bad EEPROM.
A button has been held down for >60 seconds. Adjust control. Error will
reset when the problem has been resolved.
Datakey digital signature incompatible. Cycle power, and install compatible
Datakey if error persists.
E-dT Datakey error
Datakey incompatible with control. Install compatible Datakey.
Install Datakey and cycle power to control to clear error.
E-dU Datakey unplugged
Note: If in doubt, always cycle the power to the control and contact factory if the problem persists.
To test probe and air sensor:
Test probe and air sensor by placing sensor in ice water bath and using an ohmmeter set on the ohm scale. The
reading should be 100 ohms resistance. If it is more than 2 ohms higher or lower, sensor needs to be replaced.
pg. 16
AS-250 inStAllAtion/operAtion/Service mAnuAl
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SERVICE
TROUBLE SHOOTING INTERNAL ELECTRICAL COMPONENTS
A. No power. Display will not light.
1. Verify that power is available at the outlet or junction box.
2. Verify that the circuit breaker switch on the back of the unit is turned on.
3. Verify that the power cord is not open. Check continuity with a VOM meter.
4. If none of the above steps help, call a qualified service technician or refer to the Service Manual for
this particular oven.
B. Display is lit and unit calls for heat, but unit is not heating;
Error Code E-30
Check to verify that the high limit switch located at the rear of the unit top has not been
tripped. If it has been tripped, reset by pressing in the hit limit reset button at the rear
of the oven.
After resetting, the cause of the high limit trip must be corrected. If the high limit switch
will not reset, the high limit switch is defective and must be replaced. This is a safety
device and must not be jumped out or removed from the circuit.
C. To test air sensor:
Test air sensor by placing sensor in ice water bath and using an ohmmeter set on the ohm scale.
The reading should be 100 ohms resistance. If it is more than 2 ohms higher or lower, sensor needs to
be replaced.
D. To test probe sensor:
Test food probe by placing in ice water bath and using an ohmmeter set on the ohm scale. The reading
should be 100 ohms resistance.
DANGER
CAUTION
THIS SECTION IS PROVIDED FOR THE ASSISTANCE
OF QUALIFIED SERVICE TECHNICIANS ONLY AND
IS NOT INTENDED FOR USE BY UNTRAINED OR
UNAUTHORIZED SERVICE PERSONNEL.
DISCONNECT UNIT FROM
POWER SOURCE BEFORE
CLEANING OR SERVICING.
This section is provided for the assistance of qualified technicians only and is not intended for use by
®
untrained or unauthorized service personnel. If your Alto-Shaam unit is not operating properly, check the
®
following before calling your Authorized Alto-Shaam Service Agent:
* Check the power flow to the unit. Plug in outlet? Circuit breaker switch at back of unit turned on?
®
Do not attempt to repair or service the Cook and Hold unit beyond this point. Contact Alto-Shaam
for the nearest authorized service agent. Repairs made by any other service agents without prior
authorization by Alto-Shaam® will void the warranty on the unit.
AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 17
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SERVICE
AS-250 - EXTERIOR SERVICE VIEW
pg. 18
AS-250 inStAllAtion/operAtion/Service mAnuAl
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SERVICE
SERVICE VIEW - PARTS LIST
MODEL > AS-250
ITEM
DESCRIPTION
PART NO. QTY ITEM
DESCRIPTION
PART NO. QTY
1
2
TOP
1820
SC-2425
SC-2425
—
1
5
SENSOR SUPPORT BRACKET
MOUNTING SCREWS
SENSOR GUARD
BK-2758
SC-2064
GD-2751
5081
1
1
1
1
2
1
1
1
6
6
1
4
2
1
2
1
1
2
4
—
1
1
1
—
1
1
TOP MOUNTING SCREWS
TUBE ASSB. MTG. SCREWS
N/A
3
3
4
—
—
1
20
PROBE ASSEMBLY
MOUNTING SCREWS
PROBE CABLE HOLDER
DOOR, RIGHT-HAND
HINGE SET (1 Pair of 2 Hinges)
HINGE TO DOOR MTG. SCREWS
HINGE TO UNIT MTG. SCREWS
DOOR HANDLE
5
N/A
—
SC-2254
HL-2771
5542
6
CONTROL ASSEMBLY
CASING ASSEMBLY
INSULATION BOTTOM
INSULATION CORNER
INSULATION
5003880
4812
7
1
21
22
8
1827
1
HG-2014
SC-2072
SC-2073
HD-2566
SC-2073
SC-2162
GS-2398
SR-2781
SH-2786
PN-2122
11547
9
1837
2
10
IN-2381
IN-22364
—
1
INSULATION
.5
—
1
23
11
12
13
14
CABLE CONNECTION HARDWARE
HEATING CABLE: Length 70’ (21336mm)
POWER SWITCH
DOOR HANDLE MTG. SCREWS
DOOR CATCH MTG. SCREWS
DOOR GASKET: Length 6.1’ (1859mm)
SIDE RACK
4878
SW-3563
FA-3599
FA-3568
GD-2396
SC-2661
TT-3562
SC-2459
TT-3859
CD-3232
CD-3922
11324
1
24
25
26
27
28
FAN (125V)
1
FAN (230V)
1
SHELF
FAN GUARD
1
PAN
FAN GUARD MTG. SCREWS
FAN BI-METAL THERMOSTAT
MOUNTING SCREWS
THERMOSTAT, MANUAL RESET
CORD SET, 125V, 9’
CORD SET, 230V, 9’
SENSOR PLATE
4
LEGS
15
16
1
LEG MOUNTING SCREWS
N/A
SC-2464
—
2
29
30
31
32
33
34
35
2
RELAY (not Shown)
RL-33829
BK-33546
BA-33554
—
1
T-BLOCK (not Shown)
POWER SUPPLY BOARD (not Shown)
N/A
1
17
18
19
1
SENSOR PLATE MOUNTING SCREWS
OVEN SENSOR (not Shown)
MOUNTING SCREWS
SC-2459
SN-3560
SC-2472
4
BEEPER (not Shown)
CONTROL PANEL OVERLAY
BP-3567
PE-26344
1
2
CABLE HEATING KIT #4878
DANGER
DESCRIPTION
PART NO. QTY
DISCONNECT UNIT FROM
POWER SOURCE BEFORE
CLEANING OR SERVICING.
CABLE HEATING ELEMENT
RING CONNECTOR
INSULATION CORNER
SHOULDER BUSHING
CUP BUSHING
CB-3045
CR-3226
IN-3488
BU-3105
BU-3106
ST-2439
NU-2215
SL-3063
85 FT
4
1 FT
4
4
4
8
4
STUD
DANGER
HEX NUT
LOCK-OUT OR POST
BREAKER PANEL UNTIL
SERVICE WORK HAS
BEEN COMPLETED.
INSULATING SLEEVE
ELECTRICAL TAPE
TA-3540 1 ROLL
AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 19
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pg. 20
AS-250 inStAllAtion/operAtion/Service mAnuAl
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AS-250 inStAllAtion/operAtion/Service mAnuAl
pg. 21
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TRANSPORTATION DAMAGE and CLAIMS
All Alto-Shaam equipment is sold F.O.B. shipping point, and when accepted by the carrier, such shipments
become the property of the consignee.
Should damage occur in shipment, it is a matter between the carrier and the consignee. In such cases,
the carrier is assumed to be responsible for the safe delivery of the merchandise, unless negligence can be
established on the part of the shipper.
1. Make an immediate inspection while the equipment is still in the truck or immediately after it is moved to the receiving area.
Do not wait until after the material is moved to a storage area.
2. Do not sign a delivery receipt or a freight bill until you have made a proper count and inspection of all merchandise received.
3. Note all damage to packages directly on the carrier’s delivery receipt.
4. Make certain the driver signs this receipt. If he refuses to sign, make a notation of this refusal on the receipt.
5. If the driver refuses to allow inspection, write the following on the delivery receipt:
Driver refuses to allow inspection of containers for visible damage.
6. Telephone the carrier’s office immediately upon finding damage, and request an inspection. Mail a written confirmation of the
time, date, and the person called.
7. Save any packages and packing material for further inspection by the carrier.
8. Promptly file a written claim with the carrier and attach copies of all supporting paperwork.
We will continue our policy of assisting our customers in collecting claims which have been properly filed and actively pursued.
We cannot, however, file any damage claims for you, assume the responsibility of any claims, or accept deductions in payment
for such claims.
LIMITED WARRANTY
Alto-Shaam, Inc. warrants to the original purchaser only that any original part that is found to be defective in material or workmanship will, at
Alto-Shaam's option, subject to provisions hereinafter stated, be replaced with a new or rebuilt part.
The parts warranty period is as follows:
For the refrigeration compressor on Alto-Shaam Quickchillers™, five (5) years from the date of installation.
For the heating element on Halo Heat® cook/hold ovens, as long as the original purchaser owns the oven.
For all other parts, one (1) year from the date of installation or fifteen (15) months from the shipping date, whichever occurs first.
The labor warranty period is one (1) year from the date of installation or fifteen (15) months from the shipping date, whichever occurs first.
Alto-Shaam will bear normal labor charges performed during standard business hours, excluding overtime, holiday rates or any
additional fees.
To be valid, a warranty claim must be asserted during the applicable warranty period. This warranty is not transferable.
THIS WARRANTY DOES NOT APPLY TO:
1. Calibration.
2. Replacement of light bulbs, door gaskets, and/or the replacement of glass due to damage of any kind.
3. Equipment damage caused by accident, shipping, improper installation or alteration.
4. Equipment used under conditions of abuse, misuse, carelessness or abnormal conditions, including but not limited to, equipment
subjected to harsh or inappropriate chemicals, including but not limited to, compounds containing chloride or quaternary salts, poor water
quality, or equipment with missing or altered serial numbers.
5. Damage incurred as a direct result of poor water quality, inadequate maintenance of steam generators and/or surfaces affected by water
quality. Water quality and required maintenance of steam generating equipment is the responsibility of the owner/operator.
6. Damage caused by use of any cleaning agent other than Alto-Shaam's Combitherm® Cleaner, including but not limited to damage due to
chlorine or other harmful chemicals. Use of Alto-Shaam's Combitherm® Cleaner on Combitherm® ovens is highly recommended.
7. Any losses or damage resulting from malfunction, including loss of product or consequential or incidental damages of any kind.
8. Equipment modified in any manner from original model, substitution of parts other than factory authorized parts, removal of any parts
including legs, or addition of any parts.
This warranty is exclusive and is in lieu of all other warranties, express or implied, including the implied warranties of merchantability and
fitness for a particular purpose. In no event shall Alto-Shaam be liable for loss of use, loss of revenue or profit, or loss of product, or for any
indirect, special, incidental, or consequential damages. No person except an officer of Alto-Shaam, Inc. is authorized to modify this warranty
or to incur on behalf of Alto-Shaam any other obligation or liability in connection with Alto-Shaam equipment.
Effective 09/10
RECORD THE MODEL AND SERIAL NUMBER OF THE APPLIANCE FOR EASY REFERENCE.
ALWAYS REFER TO BOTH MODEL AND SERIAL NUMBER IN ANY CONTACT WITH ALTO-SHAAM REGARDING THIS APPLIANCE.
Model: ______________________________________________ Date Installed: ______________________________________________________
Voltage: ______________________________________________ Purchased From: ___________________________________________
Serial Number: _____________________________________________________________________________________________________________
●
●
●
W164 N9221 Water Street P.O. Box 450 Menomonee Falls, Wisconsin 53052-0450 U.S.A.
PHONE: 262.251.3800 • 800.558-8744 USA/CANADA FAX: 262.251.7067 • 800.329.8744 U.S.A. ONLY
PRINTED IN U.S.A.
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