Holding Cabinets Electric Models: 12•20W 12•20MW 20•20W 20•20MW 20•20MW • Installation • Operation • Maintenance 20•20W 12•20MW 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 . www.alto-shaam.com printed in u.s.a.
Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Safety Procedures and Precautions. . . . . . . . . . . . . . . . . . 2 Installation Installation Requirements . . . . . . . . . . . . . . Clearance Requirements. . . . . . . . . . . . . . .
DELIVEry UNPAcKINg 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. This appliance, complete with unattached items and accessories, may have been delivered in one or more packages.
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. 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.
installation SITE INSTALLATION 1. T his appliance, complete with unattached items and accessories, may be delivered in one or more packages. Check to insure that all items ordered have been received. DANgEr ImPrOPer InStaLLatIOn, aLteratIOn, aDJuStment, SerVICe, Or maIntenanCe COuLD reSuLt In SeVere InJury, Death, Or CauSe PrOPerty DamaGe. 2. T his appliance is designed for the purpose of maintaining hot food at a temperature for safe consumption.
installation ELECTRICAL CONNECTION 1. An identification tag is permanently mounted on the cabinet. 2. Plug the unit into a properly grounded receptacle ONLY. Arcing will occur when connecting or disconnecting the unit unless all controls are in the “OFF” position. 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.
installation 35" (888mm) (with bumper) 39-1/4" (996mm) Max. Load Capacity 288 lbs. (132 kg) 41-7/8" (1064mm) (with bumper) 41-1/2" (1053mm) (without bumper) 67-1/4" (1707mm) (without bumper) Do not operate this holding cabinet without its appropriate Roll-in Cart. 67-11/16" (1718mm) (with bumper) 12•20W, MW Volume Max.
installation Options & Accessories Model 20•20 Combimate™ Warmers DESCRIPTION PART No. Preheat Sealing Strip Model 20•20 Roll-in Pan Cart Do not operate this holding cabinet without its appropriate Roll-in Cart. 20•20W, MW 5007925 UN-27970 Model 20•20 Roll-in Plate Cart 2-11/16" (69mm) spacing UN-27971 3-1/2" (89mm) spacing UN-28311 compatible with combitherm model and QC-100 quickchiller 20•20 Max. Load Capacity 480 lbs.
OPERATING INSTRUCTIONS USER SAFETY INFORMATION 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. 1. M ake sure the unit is connected to the appropriate power source. 2. U se hand protection when handling hot items. 3. P reheat the unit for 30 minutes before use. 4.
OPERATING INSTRUCTIONS CONTROL SET-UP CONTROL OPERATION on/off Key Press the on/off key once and the power indicator light will illuminate. Press and hold the on/off key until the LED display turns off (at least three seconds) and power indicator light goes out. up/down Arrow Key The up and down arrow keys are used for a variety of settings when selecting the holding temperature. If an arrow key is pressed and released the display will show the current set temperature for two seconds.
OPERATING INSTRUCTIONS General Holding Guideline 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.
cLEANINg AND PrEVENTIVE MAINTENANcE PrOTEcTINg STAINLESS STEEL SUrFAcES It is important to guard against corrosion in the care of stainless steel surfaces. Harsh, corrosive, cLEANINg AgENTS Use non-abrasive cleaning products designed for use on stainless steel surfaces. Cleaning agents must be chloride-free compounds and must not or inappropriate chemicals can completely destroy the contain quaternary salts. Never use hydrochloric acid (muriatic acid) on stainless steel surfaces.
c a r e and c leanin g DANgEr The cleanliness and appearance of this unit will contribute considerably to operating efficiency and savory, appetizing food. Good equipment that is kept clean works better and lasts longer. DIScONNEcT UNIT FrOM pOWER SOURCE BEFORE cLEANINg Or SErVIcINg. 6. lean control panel, door vents, door handles, and C door gaskets thoroughly since these areas harbor food debris. 1. Disconnect appliance from power source, and let cool. 7.
sanitation Food flavor and aroma are usually so closely 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. Most food imparts its own particular aroma and many foods also absorb existing odors.
S e r vi c e ELECTRONIC CONTROL ACCURACY SPECIAL FEATURES The electronic control is a precise instrument and is designed to offer trouble-free service. If you suspect the temperature inside the warming cabinet does not match the temperature indicated on the digital display, after stabilizing, follow the instructions listed below. HEAT RECOVERY 1. C heck to make certain the unit voltage matches the power source.
S e r vi c e troubles h ooting Error code Description Possible cause E-30 Cavity air sensor reading < 5°F. Verify sensor integrity. See sensor test instructions below. Cavity air sensor reading > 517°F. Verify sensor integrity. cavity air sensor open See sensor test instructions below. Product probe is shorted Product probe reading < 5°F. Verify sensor integrity. Oven will cook in time only See sensor test instructions below. Product probe is open Product Probe reading > 517°F. Verify sensor integrity.
SERVICE model > ITEM DESCR I PT I O N 1 2 • 2 0 MW A N D 1 2 • 2 0 MW PART No. QTY ITEM D E S CRI P T I O N PART No.
1 2 • 2 0 M W and 1 2 • 2 0 W ser v ice 23 43 39 26 4 38 32 2 42 50 25 48 30 16 28 7 18 8 3 15 10 1 21 40 47 43 24 5 3 20 32 35 29 18 46 17 11 19 14 6 45 33 46 44 49 13 12 22 41 P art numb ers a nd d rawings ar e s ubjec t t o c hange w i t h o u t n o t i c e .
S e r vi c e model > ITEM DESCR I PT I O N 1* GUARD SENSOR 2 3 2 0 • 2 0 MW A N D 2 0 • 2 0 MW PART No. QTY ITEM D E S CRI P T I O N 1493 1 25* SENSOR MOUNTING BLOCK HI-LIMIT PROTECTION COVER 1003936 1 26* INNER TUBE BACK PANEL 1005552 1 27 4 INNER TOP SUPPORT PANEL 1005911 4 5 RH OUTER TOP PANEL 1005914 LH OUTER TOP PANEL 1006476 6 TOP DOOR TRIM 7 8 9* PART No.
2 0 • 2 0 M W and 2 0 • 2 0 W ser v ice 42 48 24 2 34 27 5 33 37 29 18 11 16 22 38 6 10 3 12 8 35 13 30 38 39 4 31 11 7 17 38 14 19 20 49 36 40 53 45 23 15 P art numb ers a nd d rawings ar e s ubjec t t o c hange w i t h o u t n o t i c e .
1 2 • 2 0 M W and 1 2 • 2 0 W ser v ice 2 3 3 2 4 1 3 C 4 12•20MW PAN CART DESCR I PT I O N 1 PART No. QTY 1 Trolley Base 5006095 1 7 2 Trolley Rack7 Assembly 5007289 1 3 Trolley Handle Mount 5006099 1 1007306 1 4 4 PLACES Drip Tray Collector 8 7 6 5 20•20MW PAN CART D E S CRI P T I O N PART No.
1 2 • 2 0 M W/2 0 • 2 0MW Operati on & C are Manual • 20
1 2 • 2 0 M W/2 0 • 2 0MW Operati on & C are Manual • 21
TRANSPORTATION DAMAGE and CLAIMS 1. 2. 3. 4. 5. 6. 7. 8. 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.
