BKI SM Series User manual

Series: SM & 2TSM
Service Manual
Countertop
Warmer Series

SS-OM-065.01 Revised 04/15/19
Sandwich Merchandiser
MODELS SM-2624, SM-3824, SM-5024, SM-6224,
2TSM-2624, 2TSM-3824, 2TSM-5024, 2TSM-6224
Installation & Operation Manual
Serial Numbers 122562 and Higher

BKI LIMITED WARRANTY
2812 Grandview Dr. • Simpsonville, SC 29680 • USA
[phone] • Toll Free: [phone] • Fax: [phone]
WHAT IS COVERED This warranty covers defects in material and workmanship under normal use, and applies
only to the original purchaser providing that:
9 The equipment has not been accidentally or intentionally damaged, altered or misused;
9 The equipment is properly installed, adjusted, operated and maintained in accordance
with national and local codes, and in accordance with the installation and operating
instructions provided with this product.
9 The serial number rating plate affixed to the equipment has not been defaced or removed.
WHO IS COVERED This warranty is extended to the original purchaser and applies only to equipment
purchased for use in the U.S.A.
COVERAGE PERIOD 9 Warranty claims must be received in writing by BKI within one (1) year from
date of installation or within one (1) year and three (3) months from data of
shipment from the factory, whichever comes first.
9 COB Models: One (1) Year limited parts and labor.
9 COM Models: Two (2) Year limited parts and labor. COM convection ovens also have a
two (2) year door warranty.
9 CO1 Models: Two (2) Year limited parts and labor. Five (5) Year limited door
warranty.
9 BevLes Products: Two (2) Year limited parts and labor.
9 Warranty period begins the date of dealer invoice to customer or ninety (90) days
after shipment date from BKI, whichever comes first.
WARRANTY COVERAGE This warranty covers on-site labor, parts and reasonable travel time and travel
e xpenses of the authorized service representative up to (100) miles round trip and (2)
hours travel time and performed during regular, weekday business hours.
EXCEPTIONS Any exceptions must be pre-approved in advance and in writing by BKI. The extended
door warranty on convection ovens years 3 through 5 is a parts only warranty and does not
include labor, travel, mileage or any other charges.
EXCLUSIONS 9 Negligence or acts of God,
9 Thermostat calibrations after (30) days from equipment installation date,
9 Air and g as adjustments,
9 Light bulbs,
9 Glass doors and door adjustments,
9 Fuses,
9 Adjustments to burner flames and cleaning of pilot burners,
9 Tightening of screws or fasteners,
9 Failures caused by erratic voltages or gas suppliers,
9 Unauthorized repair by anyone other than a BKI F actory Authorized Service Center,
9 Damage in shipment,
9 Alteration, misuse or improper installation,
9 Thermostats and safety valves with broken capillary tubes,
9 Freight – other than normal UPS charges,
9 Ordinary wear and tear,
9 Failure to follow installation and/or operating instructions,
9 Events beyond control of the company.
INSTALLATION Leveling, as well as proper installation and check out of all new equipment - per
appropriate installation and use materials – is t he responsibility of the dealer or
installer, not the manufacturer.
REPLACEMENT PARTS BKI genuine Factory OEM parts receive a (90) day materials warranty effective from the
date of installation by a BKI F actory Authorized Service Center.

Sandwich Merchandiser Table of Contents
1
Table of Contents
Table of Contents .................................................................................................................................................... 1!
Introduction .............................................................................................................................................................. 2!
Safety Precautions ................................................................................................................................................ 2!
Safety Signs and Messages ............................................................................................................................. 2!
Safe Work Practices ......................................................................................................................................... 2!
Safety Labels .................................................................................................................................................... 4!
Installation ................................................................................................................................................................ 5!
Instructions for Shipping Damage ......................................................................................................................... 6!
Electrical Information ............................................................................................................................................. 6!
Important Installation Instructions ......................................................................................................................... 6!
Operation .................................................................................................................................................................. 7!
Models SM-2624, SM-3824, SM-5024, SM-6224, 2TSM-2624, 2TSM-3824, 2TSM-5024, 2TSM-6224 .............. 7!
Controls and Indicators (for each level) ............................................................................................................ 7!
Unit Startup and Preheating ............................................................................................................................. 8!
Unit Shutdown .................................................................................................................................................. 8!
Temperature Adjustment ....................................................................................................................................... 8!
Operational Guidelines .......................................................................................................................................... 8!
Maintenance ............................................................................................................................................................. 9!
Scheduled Maintenance ........................................................................................................................................ 9!
Troubleshooting .................................................................................................................................................. 10!
Repair .................................................................................................................................................................. 10!
Lamp Replacement ......................................................................................................................................... 10!
Notes....................................................................................................................................................................... 11!

Sandwich Merchandiser Introduction
2
Introduction
Congratulations! You have chosen a Sandwich Merchandiser that will give you many years of fine service from
the original manufacturer, BKI.
The BKI name and trademark on this unit assures you of the finest in design and engineering — that it has been
built with care and dedication — using the best materials available. Attention to the operating instructions
regarding proper installation, operation, and maintenance will result in long lasting dependability to insure the
highest profitable return on your investment.
PLEASE READ THIS ENTIRE MANUAL BEFORE OPERATING THE UNIT. If you have
any questions, please contact your BKI Distributor. If they are unable to answer your
questions, contact the BKI Technical Service Department, toll free: 1-800-927-6887.
Outside the U.S., call 1-864-963-3471.
Safety Precautions
Always follow recommended safety precautions listed in this manual. Below is the safety alert symbol. When you
see this symbol on your equipment, be alert to the potential for personal injury or property damage.
Safety Signs and Messages
The following Safety signs and messages are placed in this manual to provide instructions and identify specific
areas where potential hazards exist and special precautions should be taken. Know and understand the meaning
of these instructions, signs, and messages. Damage to the equipment, death or serious injury to you or other
persons may result if these messages are not followed.
This message indicates an imminently hazardous situation that, if not avoided, will result
in death or serious injury.
This message indicates a potentially hazardous situation, which, if not avoided, could
result in death or serious injury.
This message indicates a potentially hazardous situation, which, if not avoided, may
result in minor or moderate injury. It may also be used to alert against unsafe practices.
This message is used when special information, instructions or identification are required
relating to procedures, equipment, tools, capacities and other special data.
Safe Work Practices
Beware of High Voltage
This equipment uses high voltage. Serious injury can occur if you or any untrained
or unauthorized person installs, services, or repairs this equipment. Always Use an
Authorized Service agent to Service Your Equipment.

Sandwich Merchandiser Introduction
3
Keep this manual with the Equipment
This manual is an important part of your equipment. Always keep it near for easy
access. If you need to replace this manual, contact:
BKI
Technical Services Department
2812 Grandview Drive
Simpsonville, S.C. 29681
Or call toll free: 1-800-927-6887
Outside the U.S., call 864-963-3471
Protect Children
Keep children away from this equipment. Children may not understand that this
equipment is dangerous for them and others.
NEVER allow children to play near or operate your equipment.
Keep Safety Labels Clean and in Good Condition
Do not remove or cover any safety labels on your equipment. Keep all safety labels
clean and in good condition. Replace any damaged or missing safety labels. Refer
to the Safety Labels section for illustration and location of safety labels on this unit.
If you need a new safety label, obtain the number of the specific label illustrated on
page 4, then contact:
BKI
Technical Services Department
2812 Grandview Drive
Simpsonville, S.C. 29681
Or call toll free: 1-800-927-6887
Outside the U.S., call 864-963-3471
Be Prepared for Emergencies
Be prepared for fires, injuries, or other emergencies.
Keep a first aid kit and a fire extinguisher near the equipment. You must use a 40-
pound Type BC fire extinguisher and keep it within 25 feet of your equipment.
Keep emergency numbers for doctors, ambulance services, hospitals, and the fire
department near your telephone.
Know your responsibilities as an Employer
• Make certain your employees know how to operate the equipment.
• Make certain your employees are aware of the safety precautions on the
equipment and in this manual.
• Make certain that you have thoroughly trained your employees about operating
the equipment safely.
• Make certain the equipment is in proper working condition. If you make
unauthorized modifications to the equipment, you will reduce the function and
safety of the equipment.
California Residents Only. This product can expose you to chemicals
including chromium, and lead which are known to the State of California to
cause cancer and birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.

Sandwich Merchandiser Introduction
4
Safety Labels
Models SM-2624, SM-3824, SM-5024, SM-6224
N0202
N0645

Sandwich Merchandiser Installation
5
Model 2TSM-2624, 2TSM-3824, 2TSM-5024, 2TSM-6224
N0202
N0645

Sandwich Merchandiser Installation
6
Installation
Serious injury, equipment damage or death could result if attempting to install this unit
yourself. Ensure that an authorized BKI service agent installs the unit.
Instructions for Shipping Damage
You are responsible for filing all freight claims with the delivering truck line. Inspect all cartons and crates for
damage when they arrive. If there is damage noted to shipping crates or cartons, or, if a shortage is found, note
this on the bill of lading (all copies) before signing.
If damage is detected when the equipment is uncrated, immediately call the delivering truck line and follow up the
call with a written report indicating concealed damage to your equipment. Ask for an immediate inspection of your
concealed damage item. Crating material MUST be retained to show the inspector from the truck line.
Electrical Information
Electrocution, equipment failure or property damage could result if an unlicensed
electrician performs the electrical installation. Ensure that a licensed electrician perform
the electrical installation in accordance with local codes, or in the absence of local codes,
with the National Electrical Code, ANSI NFPA 70-20XX.
This unit, when installed by an authorized BKI service agent, must be wired for use in accordance with all
applicable local, state, and federal codes. For specific electrical requirements and connections refer to the wiring
diagram attached to the unit or provided in the Service Manual.
Important Installation Instructions
LEVELING THE UNIT: Your SM should be level for best operating results. The unit may
be leveled by placing shims under the base. The shims must be made of metal or other
non-combustible material. If you have any questions, please contact your BKI
Distributor. If they are unable to answer your questions, contact the BKI Technical
Service Department, toll free: 1-800-927-6887. Outside the U.S., call 1-864-963-3471.
COUNTERTOP INSTALLATIONS: To conform to NSF Standard 4, countertop models
are designed to be sealed to the supporting surface using an NSF approved Silicone
sealant. BKI recommends Dow Corning RTV # 732 Multi-purpose Sealant. If you have
any questions, please contact your BKI Distributor. If they are unable to answer your
questions, contact the BKI Technical Service Department, toll free: 1-800-927-6887.
Outside the U.S., call 1-864-963-3471.
This unit is designed for pre-packaged foods only. If you have any questions, please
contact your BKI Distributor. If they are unable to answer your questions, contact the BKI
Technical Service Department, toll free: 1-800-927-6887. Outside the U.S., call 1-864-
963-3471.

Sandwich Merchandiser Operation
7
Operation
Models SM-2624, SM-3824, SM-5024, SM-6224, 2TSM-2624, 2TSM-3824,
2TSM-5024, 2TSM-6224
Controls and Indicators (for each level)
Thermostat for
Top Heat
Thermostat for
Bottom Heat

Sandwich Merchandiser Operation
8
Item #
Description
Function
1
TOP HEAT temperature
control
Controls the temperature of the ceramic heaters.
2
TOP HEAT pilot light
Cycles on and off to indicate when the ceramic heaters turn on and off.
3
BOTTOM HEAT
temperature control
Controls the temperature of the heating element.
4
BOTTOM HEAT pilot light
Cycles on and off to indicate when the heating element turns on and
off.
5
LIGHTS ON/OFF Switch
Controls power to the lights.
Unit Startup and Preheating
1. Connect the plug of the power cord into a receptacle that matches the power rating specified on the rating
tag.
2. Place the TOP HEAT and BOTTOM HEAT temperature control knobs to the number 4 position. The pilot
lights will cycle on and off to maintain proper sandwich warmer temperature.
3. Place the Sandwich Warmer LIGHTS ON/OFF switch to the ON (1) position. The switch should illuminate
green.
4. Allow the equipment to preheat for 30 minutes before loading it with product.
Unit Shutdown
1. Turn both temperature controls to OFF position and place LIGHTS switch to OFF position.
2. Allow the equipment to cool to room temperature.
Temperature Adjustment
After loading the unit with product, it may be necessary to adjust the temperature control knobs in order to
maintain the proper internal temperature for the product on display. The temperature control knobs should be set
to the lowest possible number that will maintain the proper product temperature.
Operational Guidelines
• Foods should be a minimum of 160° F. before being placed in the warmer.
• Foods loaded in first should be served first as much as is practical.
• Check Federal and State Health and Sanitation Regulations for internal temperature required for holding
cooked foods for sale. Maintaining these temperatures often tends to continue to cook certain products.
Therefore, smaller amounts of bulk foods should be displayed at non-peak periods and the warmer
refilled as needed.
This equipment is designed to hold foods for a short period of time only.

Sandwich Merchandiser Maintenance
9
Maintenance
Failure to comply with the maintenance below could result in a serious accident.
Electrocution, equipment failure or property damage could result if an unlicensed
electrician performs electrical repair. Ensure that a licensed electrician performs electrical
repair.
Scheduled Maintenance
This unit should be cleaned at the end of each working day. Use the following procedure:
Failure to remove power from this unit may cause severe electrical shock. This unit may
have more than one disconnect switch.
Never use abrasive cleaners that may damage the finish.
Never steam clean the interior.
Avoid getting excess water in the interior of the unit.
Do not leave this unit on and unattended after business hours.
1. Remove all food from the unit.
2. Remove power from the unit by following the shutdown procedures in the Operation section.
3. Allow the equipment to cool to room temperature.
4. Remove the heat shield on the operator and/or customer side.
5. Remove the rack(s) or divider bars and clean with a mild soap and water solution.
6. Sponge the inside and outside of the unit with a mild soap and water solution, being sure to clean all
areas. Avoid getting water in the interior of the unit.
7. Wipe the parts and unit dry with a soft, clean cloth.
8. Reinstall the heat shield and place the rack(s) or divider bars back in the unit.

Sandwich Merchandiser Maintenance
10
Troubleshooting
Problem
Cause
Possible Solution
Unit will not turn on.
Power cords not
connected or circuit
breaker supplying power
to the unit has tripped.
Make sure power cords are connected and circuit
breaker is on. If problem persists, contact a
licensed electrician.
Product is not holding its
temperature
Product temperature is
too low when loaded.
Or
Faulty component in
heating circuit
Make sure product is above 160° F when loaded.
Contact an authorized BKI service agent for
corrective action.
Unit is not heating
No power to unit
Or
Faulty component in top
or bottom heating circuit.
Make sure power cords are connected and circuit
breaker is on. If problem persists, contact licensed
electrician.
Contact an authorized BKI service agent for
corrective action.
Repair
Before replacing any parts, make sure the power has been turned off and the unit has
cooled down.
Lamp Replacement
Only use PTFE-coated lamp to prevent glass contamination.
1. Remove power from the unit by following the shutdown procedures in the Operation section.
2. Allow the equipment to cool to room temperature.
3. Remove lamp guard.
4. Carefully remove the faulty lamp.
5. Replace with the new lamp and reattach the lamp guard.

Sandwich Merchandiser Notes
11
Notes

SS-OM-065.01 Revised 04/15/19
2812 Grandview Drive, Simpsonville, S.C. 29681, USA
http://www.bkideas.com
Made and printed in the U.S.A

REVISION HISTORY
REVISION
DATE
REVISED BY
DESCRIPTION
01
04/15/19
JDS
LCO 19-002 - Initial Release-
Supersedes all previous releases