Alto-Shaam HSM-24/3S/T User manual

alto-shaam.com
Operator’s Manual
Heated Shelf Merchandiser
HSM-24/3S/T
HSM-24/5S/T
HSM-36/2S/T
HSM-36/3S/T
HSM-36/5S/T
HSM-48/5S/T
MN-47789-EN
REV.02
12/22
EN
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Heated Shelf Merchandiser ▪ Op e rator’s Manual ▪ MN-47789 ▪ Rev 1 ▪ 12/22
2
Manufacturer’s Information
Copyright © Copyright 12/22 by Alto-Shaam, Inc.
All rights reserved.
This manual or any portion thereof may not be reproduced or used in any
manner whatsoever without the express written permission of Alto-Shaam, Inc.
Trademarks All trademarks referenced in this documentation are the property of their
respective owners.
Manufacturer Alto-Shaam, Inc.
P.O. Box 450
W164 N9221 Water Street
Menomonee Falls, WI 53052
Original instructions The content in this manual is written in American English.

FOREWORD
Heated Shelf Merchandiser ▪ Op e rator’s Manual ▪ M N- 4778 9 ▪ Rev 1 ▪ 12/ 2 2
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FOREWORD
Enjoy your Alto-Shaam® Heated Shelf
Merchandiser!
Halo Heat®
Technology
Alto-Shaam heated shelf merchandisers utilize precise and one-of-a-kind Halo
Heat® technology to keep food at the highest quality, heating it from both the
top and bottom.
Keep hot-and-ready meals in a display attractive to customers with this
customizable merchandiser. Make the appliance your own with LED-lighted
shelves, customized branding, backlit interchangeable graphics, pricing rails,
and window sides. Display a variety of grab and go products such as rotisserie
chickens, sandwiches, and pizza on the merchandiser’s evenly-heated shelves.
Extend Your Manufacturer’s Warranty
Register Register your Alto-Shaam appliance online. Registering your appliance ensures
prompt service in the event of a warranty claim.
Your personal information will not be shared with any other company.
alto-shaam.com/warranty
Alto-Shaam 24/7 Emergency Repair Service
Call Call 800-558-8744 to reach our 24-hour emergency service call center for
immediate access to local authorized service agencies outside standard business
hours. The emergency service access is provided exclusively for Alto-Shaam
equipment and is available throughout the United States through Alto-Shaam’s
toll free number.
Availability Emergency service access is available seven days a week, including holidays.

FOREWORD
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TABLE OF CONTENTS
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TABLE OF CONTENTS
Manufacturer’s Information . . . . . . . . . . . . . . . . . . . . . . . . 2
Foreword 3
Enjoy your Alto-Shaam® Heated Shelf Merchandiser! . . . . . . . . . 3
Extend Your Manufacturer’s Warranty . . . . . . . . . . . . . . . . . . 3
Alto-Shaam 24/7 Emergency Repair Service . . . . . . . . . . . . . . . 3
Table of Contents 5
Safety 7
The Meaning of Signal Words . . . . . . . . . . . . . . . . . . . . . . . 7
Appliance Description and Intended Use. . . . . . . . . . . . . . . . . 8
Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Labels 13
Label Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installation 17
Dimension Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
How to Receive the Appliance . . . . . . . . . . . . . . . . . . . . . . . 23
How to Unpack the Merchandiser. . . . . . . . . . . . . . . . . . . . . 24
How to Install the Merchandiser . . . . . . . . . . . . . . . . . . . . . 26
How to Install the Merchandiser (Without Cord or Plug) . . . . . . . . 31
How to Install the Skirt on a Floor Model Merchandiser . . . . . . . . 37
How to Add a Display Base to an Existing Countertop Merchandiser. 38
How to Install the Optional Shelf Insert for Magnetic Signage Panels 42
Operation 43
Shelf Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
How to Turn On and Turn Off the Merchandiser . . . . . . . . . . . . 44
How to Prepare the Merchandiser for First Use . . . . . . . . . . . . . 45
How to Operate the Merchandiser . . . . . . . . . . . . . . . . . . . . 46
Maintenance 49
How to Clean the Merchandiser . . . . . . . . . . . . . . . . . . . . . . 49
Warranty 51
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Declaration of Conformity 53

TABLE OF CONTENTS
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SAFETY
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SAFETY
The Meaning of Signal Words
This manual contains signal words where needed. These signal words must be
obeyed to reduce the risk of death, personal injury, or equipment damage. The
meaning of these signal words is explained below.
DANGER
Danger indicates a hazardous situation which, if not avoided,
will result in serious injury or death.
WARNING
Warning indicates a hazardous situation which, if not avoided,
could result in serious injury or death.
CAUTION
Caution indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
NOTICE
Notice indicates a situation which, if not avoided, could result
in property damage.
NOTE: Note indicates additional information that is important to a
concept or procedure.

SAFETY
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Appliance Description and Intended Use
Halo Heat
Technology®
Alto-Shaam Halo Heat® provides precise all-around warming, allowing for food
to be kept for longer hold times at the highest quality. This gentle heat
surrounds the food evenly in the merchandiser via a low-density thermal cable—
eliminating the need for fans, added humidity, or hot components.
Nomenclature HSM-24/3S/T means Heated Shelf Merchandiser, 24-inch width, three-shelf, and
top heat.
Configurations Heated Shelf Merchandisers are available in configurations based on the width
of the appliance and the number of shelves.
The 24-inch units are available in 3- and 5-shelf configurations.
The 36-inch units are available in 2-, 3-, and 5-shelf configurations.
The 48-inch units are available in a 5-shelf configuration.
Intended use Heated Shelf Merchandisers are intended to hold food only. Any other use is
prohibited. This appliance is intended to be used for commercial applications, for
example in kitchens of restaurants, canteens, hospitals and in commercial
enterprises such as bakeries, butcheries, etc., but not for continuous mass
production of food.
Residual risks This merchandiser is manufactured using ISO-certified processes. The
merchandiser is designed with maximum safety in mind; however, there are
residual risks to operators of this merchandiser. Residual risks include exposure
to heat and exposure to hot food products.
Possible misuse Misuse of this merchandiser includes loading the merchandiser with anything
other than a food product. Misuse also includes holding any food product that
contains alcohol or other flammable substance.
Environmental
conditions
Before use the appliance must acclimate to room temperature in the
environment it is installed: 24 hours is recommended.
Ambient temperature range: 60°F to 110°F (16°C to 43°C).
Relative humidity range: less than 95% non-condensation.
Atmospheric pressure range: 15 to 31 in. mercury (50kPa to 106kPa).

SAFETY
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Safety Precautions
Before you begin Read and understand all instructions in this manual.
Electrical precautions Obey these electrical precautions when using the appliance:
▪Connect the appliance to a properly grounded outlet. Do not use the appliance if
it is not properly grounded. Consult an electrician if there is any doubt that the
outlet used is properly grounded.
▪Keep the cord away from hot surfaces.
▪Do not attempt to service the appliance or its cord and plug.
▪Do not operate the appliance if it has a damaged cord or plug.
▪Do not immerse the cord or plug in water.
▪Do not let the cord hang over the edge of a table or counter.
▪Do not use an extension cord.
Usage precautions Obey these usage precautions when using the appliance:
▪Only use this appliance for its intended use of holding hot food.
▪Do not cover or block any of the openings of this appliance.
▪Do not cover shelves or any other part of this appliance with metal foil.
▪Do not use this appliance near water such as a sink, in a wet location, near a
swimming pool, or similar locations.
▪For units with casters: Unplug unit and allow to cool before moving to a new
location.
Maintenance
precautions
Obey these maintenance precautions when maintaining the appliance:
▪Obey precautions in the manual, on tags, and on labels attached to or shipped
with the appliance.
▪Only clean the appliance when it is disconnected from the power source.
▪Do not store the appliance outdoors.
▪Do not clean the appliance with metal scouring pads.
▪Do not use corrosive chemicals when cleaning the appliance.
▪Do not use a hose, water jet, or steam cleaner to clean the appliance.
▪Do not use the appliance for storage.
Continued on next page

SAFETY
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Continued from previous page
Operator training All personnel using the appliance must have proper operator training. Before
using the appliance:
▪Read and understand the operating instructions contained in all the
documentation delivered with the appliance.
▪Know the location and proper use of all controls.
▪Keep this manual and all supplied instructions, diagrams, schematics, parts lists,
notices, and labels with the appliance if the appliance is sold or moved to another
location.
▪Contact Alto-Shaam for additional training if needed.
Operator
qualifications
Only trained personnel with the following operator qualifications are permitted
to use the appliance:
▪Have received proper instruction on how to use the appliance.
▪Have demonstrated their ability with commercial kitchens and commercial
appliances.
The appliance must not be used by:
▪Persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given
supervision concerning use of the appliance by person responsible for their
safety.
▪People impaired by drugs or alcohol.
▪Children should be supervised to ensure that they do not play with the appliance.
▪Children shall neither clean nor maintain the appliance.
Condition of
appliance
Only use the appliance when:
▪All controls operate correctly.
▪The appliance is installed correctly.
▪The appliance is clean.
▪The appliance labels are legible.
Servicing the
appliance
▪Only trained personnel are permitted to service or repair the appliance. Repairs
that are not performed by an authorized service partner or trained technician will
void the warranty and relieve Alto-Shaam of all liability.
▪To prevent serious injury, death or property damage, have the appliance
inspected and serviced at least every twelve (12) months by an authorized service
partner or trained technician.
▪Contact Alto-Shaam for the authorized service partner in your area.
Continued on next page

SAFETY
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Continued from previous page
Personal Protective
Equipment (PPE)
Wear the following Personal Protective Equipment (PPE) while cleaning the
appliance:
▪Protective gloves
▪Protective clothing
▪Eye protection
▪Face protection
Use of restraining
devices
A restraining device (tether) must be installed to any appliance that is hard-wired
and mounted on casters. The tether must:
▪Be secured to the building’s structure.
▪Limit the movement of the appliance so that no stress is transmitted to the
electrical conduit.
A connection point for the tether is located on the back of the appliance.
A tether is not supplied by nor available from the manufacturer.

SAFETY
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LABELS
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LABELS
Label Locations
e
f
ho
k
d
c
a
m
g
HDC-PHD-015312
n
ij
b

LABELS
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1
WARNING
Electric shock hazard
To reduce the risk of electric shock, do not remove
or open the cover. No user-serviceable parts inside.
Refer servicing to qualified personnel. Qualified
personnel: Disconnect power before servicing.
2
Note: This label is only used on UL-certified appliances
that have 150V to ground wiring.
Use ________ AWG for supply connections.
Use only copper wires suitable for temperature less
than or equal to 90°C.
Do not connect to a circuit operating at more than
150 VAC to ground.
For use on individual branch circuits only.
3
WARNING
Electric shock hazard
Appliances with permanent electrical connection
that are mounted on casters must be secured to
building structure. Read installation instructions.
4
Every Alto-Shaam product is precision calibrated
prior to release from the factory to ensure accurate
temperature control.
LA-38950
WARNING/ADVERTENCIA/AVERTISSEMENT
Electric Shock Hazard
To reduce the risk of electric shock, do not remove or
open cover. No user-serviceable parts inside.
Refer servicing to qualified personnel.
Qualified personnel: Disconnect power before servicing.
Danger de décharge électrique
Pour réduire le risque de décharge électrique, ne par
ouvrir ni retirer le capot. Ne contient pas de pièces
réparables par l’utilisateur. Confier les réparations à du
personnel qualifié.
Personnel qualifié : Sectionnez l’alimentation avant
toute intervention.
Peligro de descarga eléctrica
Para reducir el riesgo de descarga eléctrica, no retire ni
abra la cubierta. No hay piezas en el interior a la que se
les pueda realizar mantenimiento. Derive el mantenimiento
a personal calificado.
Personal calificado: Desconecte la energía antes de
realizar mantenimiento.
Use ______AWG for supply connecons.
Use only copper wires suitable for temperatures ≥ 90°C.
For use on individual branch circuits only.
Do not connect to a circuit operang at
more than 150 VAC to ground.
Use AWG ______ para las conexiones de suministro.
Use solo cables de cobre aptos para temperaturas mayores que 90 °C.
Para su uso en circuitos derivados individuales solamente.
No conecte a un circuito que funcione a más de 150 V CA a erra.
Uliser du calibre ______AWG pour les raccordements électriques.
Uliser exclusivement des conducteurs en cuivre qui conviennent à des
températures ≥ 90 °C.
Uliser exclusivement sur des circuits de dérivaon propres.
Ne pas raccorder à un circuit fonconnant sous plus de
150 VCA par rapport à la terre.
LA-38852
90°C
AWG
LA-39148

LABELS
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5
WARNING
Hot surface
6
Made in U.S.A.
7
Security seal
8
For use on individual branch circuit only.
9
WARNING
Fire hazard
Use a UL Listed grounding type plug rated 120
Volts, 30 Amperes, 1 Phase, 3 wire for single phase
units. Plug to be selected and installed only by
qualified service personnel.
*For use on units with cords, no plugs.
10
WARNING
Fire hazard
Use a UL Listed grounding type plug rated 240
Volts, 20 Amperes, 1 Phase, 3 wire for single phase
units. Plug to be selected and installed only by
qualified service personnel.
*For use on units with cords, no plugs.
LA-46331
Security Seal Security Seal Security Seal Security Seal Security Seal Security Seal Security Seal Security Seal
WARNING
Fire Hazard
Use a UL Listed grounding type plug rated 120 Volts,
30 Amperes, 1 Phase, 3 wire for single phase units.
Plug to be selected and installed only by qualified
service personnel.
ADVERTENCIA/AVERTISSEMENT
Peligro de incendio
Risque d'incendie
Utilisez une prise homologuée UL conforme pour 120 Volts,
30 Ampères, monophasé, 3 fils pour les appareils
monophasés. Les prises ne doivent être selectionnées et
installées que par du personnel de service qualifié.
Utilice un enchufe con toma de tierra de los que se
incluyen en las listas de la UL de 120 voltios, 30 amperios,
monofásico de 3 hilos para unidades monofásicas.
La elección e instalación del enchufe la realizará
exclusivamente personal cualificado del servico.
120V, 30A
LA-46542
WARNING
Fire Hazard
Use a UL Listed grounding type plug rated 240 Volts,
20 Amperes, 1 Phase, 3 wire for single phase units.
Plug to be selected and installed only by qualified
service personnel.
ADVERTENCIA/AVERTISSEMENT
Peligro de incendio
Risque d'incendie
Utilisez une prise homologuée UL conforme pour 240 Volts,
20 Ampères, monophasé, 3 fils pour les appareils
monophasés. Les prises ne doivent être selectionnées et
installées que par du personnel de service qualifié.
Utilice un enchufe con toma de tierra de los que se
incluyen en las listas de la UL de 240 voltios, 20 amperios,
monofásico de 3 hilos para unidades monofásicas.
La elección e instalación del enchufe la realizará
exclusivamente personal cualificado del servico.
240V, 20A
LA-46546

LABELS
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11
WARNING
Fire hazard
This appliance is only for use with factor-supplied
legs, casters, or base.
12
Consult instructions for operation and use.
13
Use a flat-head screwdriver or coin to unlock.
14
WARNING
Fire hazard
For use only on noncombustible surfaces.
Maintain the correct clearances to combustibles.
15
Equipotential terminal
LA-39336
This appliance is only for use with factory-supplied legs,
casters, or base.
Este aparato solo se puede usar con patas, ruedas o base
proporcionadas por la fábrica.
Ce appareil est destiné à être utilisé uniquement avec les
pieds, les roulettes ou le socle fournis par le fabricant.
LA-39335
WARNING/ADVERTENCIA/AVERTISSEMENT
Fire Hazard
Peligro de incendio
Risque d'incendie
L
A
-
3
9
3
4
3
LA-47467
WARNING/ADVERTENCIA/AVERTISSEMENT
Combustibles Non-combustibles
Top/tope/haut 0” (0mm)
0” (0mm) 0” (0mm)
0” (0mm)
4” (102mm)
0” (0mm)
0” (0mm)
4” (102mm)
Left/izquierda/gauche
Right/derecho/droite
Rear/posterior/arrière
Fire Hazard
For use only on noncombustible surfaces.
Maintain the correct clearances to combustibles.
Peligro de incendio
Risque d'incendie
Utilisation sur des surfaces non combustibles seulement.
Maintenir des dégagements corrects par rapport aux matières combustibles.
Solo para uso en superficies no combustibles.
Mantenga las distancias correctas de elementos combustibles.
LA-47466
102 mm
0 mm 0 mm 0 mm
LA-36443-E

INSTALLATION
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INSTALLATION
Dimension Drawings
HSM-24/3S/T
ab
a
b
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Ǝ
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ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
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ƎPP
ƎPP ƎPP
ƎPP
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ƎPP
ƎPP
ƎPP
ƎPP
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ƎPP

INSTALLATION
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HSM-24/5S/T
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPP
ƎPPƎPP ƎPP
ƎPP
ƎPP
55-9/16" (1412mm)
48" (1219mm)
7-5/8" (193mm)
34-7/8" (887mm)
20-11/16" (525mm)
ab
a
b

INSTALLATION
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HSM-36/2S/T
5-3/8"
137mm
ELECTRICAL
4" 101mm ELECTRICAL
2-1/2" 64mm
35-7/8"
910mm
2-7/8" 73mm
REAR DOOR HEIGHT
9-3/16"
233mm
20-9/16" 522mm
51-3/16"
1300mm
9-15/16"
252mm
36" 914mm
26-1/16"
662mm
27-1/16"
688mm
4-1/8"
104mm
35" 889mm REACH-IN
18-11/16" 475mm
3-9/16" 91mm
27-1/4" 692mm
8°
9-13/16"
249mm
10-3/8"
263mm
20-1/2"
521mm
TYP
20-1/4"
514mm
60° MAX
20° MAX
FRONT AND REAR DOOR OPTION
FRONT DOOR OPTION
41-11/16" 1059mm
36" 914mm
4-1/8"
104mm
2" 50mm
32" 813mm
18-9/16"
472mm
DOOR HEIGHT
9-7/8"
250mm
42-9/16"
1081mm
15-5/16"
389mm
33-5/16" 846mm
19-5/8"
498mm

INSTALLATION
Hea te d Sh elf Mer c handise r ▪ Op e ra to r ’ s Ma n ual ▪ M N- 4 778 9 ▪ Rev 1 ▪ 12/ 2 2
20
HSM-36/3S/T
90.0° 90.0°
130.0° 130.0°
100.3° 100.3°
CORD WRAP & ELECTRICAL
CONNECTIONS
WITH REAR DOORS
(PASS THRU)
WITHOUT FRONT DOORS
(REACH-IN OR PASS THRU)
20-3/4"
(527mm) 7-5/8"
(193mm)
9-15/16"
(252mm)
15-5/16"
(389mm)
51-3/16" (1300mm)
33-9/16"(852mm)
1-3/16" (31mm)
11-3/16" (285mm)
18"
(457mm)
(133mm)
(158mm)
6-1/4"
5-1/4"
4" (101mm)
27-1/4"
(692mm)
25-7/8"
(658mm)
45-3/4"(1163mm)
3-5/8"(91mm)
1-3/8"(35mm)
18-11/16"
(475mm)
3-15/16"
(100mm)
9-5/8"
(245mm)
6-9/16" (167mm)
7-1/8"(180mm)
6-1/4" (159mm)
2"(50mm)
32" (813mm)
35-13/16" (910mm)
35-1/4"(895mm)