Carter Hoffmann TB-916 Owner’s Manual

TACO BELL HOLDING CABINET

MODEL: TB-916

OWNER / OPERATOR’S MANUAL

Warranty, warranty exclusions and limitations……....2

Shipping Damage and Claim Procedure……………...2
Introduction………………………………………….. 3
Owner Information…………………………………... 3
Specifications ………………………………………. 4
Operating Features and Controls ……………….…... 5
Precautions and General Information …………….… 6
Agency Listing Information ………………………... 6
Installation ……………………………………….…. 7
Operation …………………………………….…… 8
Cleaning ………………………………….………. 9
Troubleshooting Suggestions ………….…………. 10
Programming Instructions ………..………………… 11
Wiring Diagram ……………..……………………. 12
Replacement Parts List…...………………………….. 13
Contact Information…….…………………………… 14

TABLE OF CONTENTS

CARTER-HOFFMANN

A Division of Carrier Commercial Refrigeration

1551 McCORMICK AVENUE

MUNDELEIN, IL 60060 U.S.A.

PHONE: [phone]

FAX: [phone]

EMERGENCY SERVICE: 800-421-3744

EMAIL: [e-mail]

Part Number: 18400-3093 M435 091202cps, rev:081004,122603JJO

CARTER-HOFFMANN WARRANTY

Carter-Hoffmann warrants to the initial purchaser
of its standard Carter Line Products that Carter­Hoffmann will, at its option, repair or replace,
during the warranty period set forth below, any
part of such products made necessary due to a
defect in material or workmanship which is present
when the product leaves its factory and which
manifests itself during the warranty period under
normal use and service.

This warranty applies only to original equipment
owned and possessed by the initial purchaser
and the warranty period begins on the date of
original shipment from the Carter-Hoffmann
factory and extends as follows: to electrical and
refrigeration components for one year; to
electrical and refrigeration labor for 120 days; to
refrigeration compressor unit for 1 year (limited
to replacement of the unit only-not to include

and to all other component parts and labor for 12
months. Repair or replacement under this warranty
will be performed, unless otherwise authorized in
writing by Carter-Hoffmann, at its factory. All parts or
components to be repaired or replaced under this
warranty are to be shipped prepaid to Carter­Hoffmann, with reimbursement credit for such part or
component to be given if found by Carter-Hoffmann
to be defective.

Carter-Hoffmann neither makes nor assumes
and does not authorize any other person to
make or assume any obligation or liability in
connection with its products other than that
covered in this warranty. This warranty applies
only within the continental United States and
Canada. In Alaska and Hawaii, this warranty
applies only to and is limited to the supply of
replacement parts.

the labor for removal, repair or replacement),

WARRANTY EXCLUSIONS AND LIMITATIONS

ANY IMPLIED WARRANTY OF MERCHANT­ABILITY OR FITNESS FOR A PARTICULAR
PURPOSE IS HEREBY SPECIFICALLY
DISCLAIMED BY CARTER-HOFFMANN. There
are no warranties, express or implied, which
extend beyond the description on the face
thereof.

This warranty does not cover and
Carter-Hoffmann shall not under any
circumstances be liable for any incidental,

consequential or other damages (such as injury
to persons or property, loss of time,
inconvenience, loss of use, loss of business or
profits, or other matters not specifically covered)
arising in connection with the use of, inability to
use, or failure of these products.

Note: Due to our continuous process of product
improvement and innovation, all listed
specifications are subject to change.

SHIPPING DAMAGE CLAIM PROCEDURE

NOTE: For your protection, please note that

equipment in this shipment was carefully inspected
and packaged by skilled personnel before leaving the
factory. Upon acceptance of this shipment, the
transportation company assumes full responsibility
for its safe delivery.

IF SHIPMENT ARRIVES DAMAGED:

1. VISIBLE LOSS OR DAMAGE: Be certain that
any visible loss or damage is noted on the freight
bill or express receipt, and that the note of loss
or damage is signed by the delivery person.

2. FILE CLAIM FOR DAMAGE IMMEDIATELY:

Regardless of the extent of the damage.

2

3. CONCEALED LOSS OR DAMAGE: if damage
is unnoticed until the merchandise is unpacked,
notify the transportation company or carrier
immediately, and file “CONCEALED DAMAGE”
claim with them. This should be done within
fifteen (15) days from the date the delivery was
made to you. Be sure to retain the container for
inspection.

Carter-Hoffmann cannot assume liability for damage
or loss incurred in transit. We will, however, at your
request, supply you with the necessary documents to
support your claim.

INTRODUCTION

Thank You for purchasing this Carter-Hoffmann appliance. Proper installation, professional operation and con­sistent maintenance of this appliance will ensure that it gives you the very best performance together with a
reliable, long lasting and economical life. This manual contains information needed to properly install, operate
and maintain this appliance

This product is the result of extensive research and field testing. The materials used were selected provides
optimum performance, maximum durability and an attractive appearance. At Carter-Hoffmann, every single
unit is thoroughly inspected and functionally tested prior to shipment.

This Carter-Hoffmann holding cabinet provides the best environment for food products by digitally regulating
the air temperature. This model uses only hot air (no moisture) which is circulated through heating distribution
ducts located on panels at each side of the unit.

This manual provides the installation, safety and operating instructions for your cabinet. We
recommend all installation, operating and safety instructions appearing in this manual be read
prior to installation or operation of your unit.

DANGER

CAUTION

Safety instructions that appear in this manual after a warning symbol and the words

WARNING or CAUTION printed in boldface are very important.

WARNING means there is the possibility of serious injury or death to yourself or others.
CAUTION means there is the possibility of minor or moderate injury.
CAUTION without the symbol signifies the possibility of equipment or property damage only.

WARNING

IMPORTANT OWNER INFORMATION

Please take the time to record the model number and serial number, the identification decal
is normally located on the lower right hand side of the unit. Also be sure to record your
voltage and purchase date of your piece of Carter-Hoffmann equipment in the spaces below.

It is extremely helpful to have this information available when calling Carter-Hoffmann for
service or assistance.

Cabinet Model #:____________________________________

Cabinet Serial #: ____________________________________

Heater Head Model #:____________________________________

Heater Head Serial #:____________________________________

Voltage: ______________________________________

Wattage: ___________________________

Phase: ________________________________________

Date of Installation: _______________________________

Invoice / Sales Order #:_______________

3

SPECIFICATIONS

ELECTRICAL: PLUG: WEIGHT:

120 Volts AC Empty cabinet shipping weight
60 Hz is approximately # 450 lbs
Single Phase
2000 Watts

16.7 Amps

4

FEATURES and OPERATING CONTROLS

5

PRECAUTIONS and GENERAL INFORMATION

WARNING: Electric Shock Hazard

All servicing requiring access to non-insulated components must be performed by qualified
service personnel. Do not open any access panels which require the use of tools. Failure to
heed this warning can result in electrical shock. Disconnect this appliance from electrical

power before performing any maintenance or servicing.

WARNING: Injury Hazard
All installation procedures must be performed by qualified personnel with full knowledge of all
applicable electrical codes. Failure could result in property damage and personal injury.

WARNING Electric Shock Hazard

Appliance must be plugged into a properly grounded receptacle to prevent possible shock
hazard. Electrical shock will cause death or serious Injury.

This appliance is intended for use in commercial
establishments, where all operators are familiar with
the appliance use, limitations and associated hazards.
Operating instructions and warnings must be read and
understood by all operators and users.

This appliance is intended for use to hold pre-cooked foods
for human consumption. No other use is recommended or
authorized by the manufacturer or its agents.

Cleanliness of this appliance is essential to good sanitation.
Read and follow all included cleaning instructions and
schedules to ensure the safety of the food product.

DO NOT submerge this the heating unit in water. Do not
splash or pour water on, in or over any controls, control panel
or wiring.

Interior surfaces of this appliance can be hot to the touch and
may cause burns.

Do not operate this appliance if the control panel is damaged.
Do not operate this appliance if the keypad section of the
control panel is torn or broken. Call your Authorized Carter­Hoffmann Service Agent for service.

All included trouble shooting guides, component views and
parts lists are included for general reference, and are
intended for use by qualified service personnel.

WARNING:
Burn Hazard

Interior surfaces of the appliance
may be HOT to the touch, and can
cause serious burns.

CAUTION: Equipment
Electrical Damage

DO NOT plug in or energize this
appliance until all Installation
Instructions are read and followed.
Damage to the appliance will
occur if these instructions are not
followed.

This manual is considered to be a
permanent part of this

appliance. This manual must
remain with the appliance if it is
sold or moved to another location.

AGENCY LISTING INFORMATION

Listings with and are pending.

6

INSTALLATION

NOTE: DO NOT discard

the carton or other packing
materials until you have
inspected the appliance for
hidden damage and tested it for
proper operation.

Refer to SHIPPING DAMAGE
CLAIM PROCEDURE on PAGE 3
of this manual.

WARNING:

Risk of

Installation procedures must
be performed by a qualified
technician with full knowledge of
all applicable electrical codes.
Failure can result in personal
injury and property damage.

personal injury

CAUTION:

Electrical Shock
Hazard

The ground prong of the power
cord is part of a system designed
to protect you from electric shock
in the event of internal damage.
DO NOT cut off the large round
ground prong or twist a blade to fit
an existing receptacle.

IMPORTANT:

Power cord is 10' long. Contact a
licensed electrician to install an
appropriate 20 amp electrical
circuit with NEMA 5-20R
receptacle if one is not available
within 10 feet. DO NOT use an
extension cord.

IMPORTANT:

Damage due to being connected
to the wrong voltage or phase is
NOT covered by warranty.

Unpack the holding and heating units. Ensure that all packing
materials and protective plastic has been removed from the
unit. Inspect all components for completeness and condition.

Appliance should be thoroughly cleaned before use. See
CLEANING INSTRUCTIONS, page 9.

LEVELING THE UNIT

Set the holding unit in its operating location and level. Set up
the appliance only on a firm, level, non-combustible surface.
Verify local codes for requirements. Concrete, tile, terrazzo
or metal surfaces are recommended. Metal over combustible
material may not meet code for non-combustible surfaces.

A spirit level should be placed on the top of the unit as a
guide when making level adjustments. Level the unit from
left to right and front to back by turning the adjustable feet.
Be sure all four feet touch the floor to prevent tipping.

ASSEMBLY

Set the heating unit on top of the holding unit with the control
panel facing forward. Verify that the blower fan turns freely.

Verify that the main power switch is OFF, then plug the
heating unit into a properly grounded NEMA 5-20R electrical
receptacle.

Install tray slides. Pay particular attention that slides are level
front-to-rear, and that opposite pairs will allow the trays to be
installed level side-to-side. Adjustment increment is 3/4".

7

NORMAL OPERATION

NORMAL OPERATION

When the power switch is turned on, the blower fan will start
and the air heater will energize. The heating element will be
energized until the cabinet reaches the AIR TEMPERATURE
SETPOINT. The display will read the actual cabinet
temperature. The controller air temperature is factory set at
165ºF and the low temperature alarm at 120ºF.

The HEAT ON light will glow when the air temperature in the
cabinet is below the air temperature setpoint.

The controller display will flash (alternately LO and the cabinet
air temperature) until the cabinet air temperature is above the
LOW ALARM SETPOINT,

TIMER

The TIMER allows the appliance blower fan and heater
system to turn on and off automatically.

Lift the TIMER ACCESS DOOR. Lift the TRIPPERS on the
timer dial for the desired ON times. Each raised tripper will
hold the unit ON for 30 minutes.

Turn the TIMER WHEEL until the indicator arrow points to the
current time.

Turning the TIMER BYPASS SWITCH ON turns the blower
fan and heater system ON, regardless of the timer position.

NOTE:
The air temperature setpoint
is factory set at 165ºF.

If a change in setpoint or
temperature range is required,
refer to: PROGRAMMINGON
page 11.

NOTE:
The low temperature alarm
is factory set at 120ºF.

If a change in alarm tempera­ture or alarm range is required,
refer to: PROGRAMMING,
page 11.

NOTE:
This is a 24 hour timer. Use care to en­sure that the proper meridian (AM or PM)
is used to set the current time.

In the example:3

TIME is 8:00 AM

ON occurs at 5:30 AM
OFF occurs at 6:00 PM

8

CLEANING

CAUTION:

ELECTRIC SHOCK
HAZARD

Unplug the unit from electric
power before performing cleaning
or maintenance procedures.

CAUTION:

BURN HAZARD

Allow the unit to cool before
performing maintenance or
cleaning or procedures.

CAUTION:

ELECTRIC SHOCK
HAZARD

DO NOT spray or splash water on
the built-in heater, control panel,
timer or wiring.

Turn the main power switch OFF and allow the unit to cool
before cleaning. DO NOT spray or splash water on the built­in heater, control panel, timer or wiring.

1. Racks or shelves are easily removed without tools for
cleaning, Simply lift up and pull out. The tray racks may
be hand washed or run through an automatic washer.

2. To clean stainless steel surfaces use only cleansers,
detergents, degreasers, or sanitizers that are certified to
be "chloride-free" and "phosphate-free," and cleansers,
degreasers, or sanitizers only in the recommended
concentrations. DO NOT exceed recommended
concentrations or mixing ratios. After cleaning and
sanitizing, rinse all exposed surfaces thoroughly with
large amounts of clean, clear water. Wipe off any
standing liquid or residue from all surfaces, corners and
rear edges.

IMPORTANT:

Cleansers, detergents, degreasers, sanitizers or bleaching
agents that contain chlorides or phosphates will cause
permanent damage to stainless steel products. This damage
appears as pits, eruptions, voids, small holes, cracks, severe
discolorations or dulling of the metal finish. Water with a high
chlorine content can also damage stainless steel. If unsure
of your water quality, we recommend you have it tested.
THIS DAMAGE IS PERMANENT, COSTLY TO REPAIR,
AND IS NOT COVERED BY WARRANTY.

IMPORTANT:

DO NOT use steel wool pads. The ferrous metal in the pad
will cause rusting.

RECOMMENDED "TIPS" FOR CLEANING STAINLESS STEEL

PURPOSE FREQUENCY CLEANING

AGENT

Routine
Cleaning

Smear and
Fingerprints

Stubborn
Spots and
Stains

Hard Water
Spots

Daily Soap, ammonia,

detergent and
water

As Needed Stainless steel

cleaner, similar
products

Daily, or
As Needed

Daily, or
As Needed

Any chloride­free or phos­phate-free
cleanser

Vinegar Swab with cloth. Rinse with clear water, wipe dry.

METHOD OF APPLICATION

Swab with cloth. Rinse with clear water, wipe dry.

Rub with cloth as directed on package. Rub in
direction of grain of stainless steel. Do not use on
vinyl trim or control panel.

Apply with damp sponge or cloth. Rub in direction
of grain. Rinse thoroughly. Do not use on vinyl trim
or control panel.

9

TROUBLESHOOTING SUGGESTIONS

PROBLEM PROBABLE CAUSE POSSIBLE REMEDY

No power to unit
(Display does not light, cooling fan
and blower do not run)

Display does not light, cooling fan
and blower running

Timer not working Timer bypass turned on Turn bypass off

Unit does not heat Cabinet temp above setpoint

Not plugged in or circuit breaker off
or tripped

Main switch off or damaged Check main power switch, re-

Timer off Reset timer or turn bypass on

Damaged power cord Replace cord

Hi-limit safety tripped Allow unit to cool, hi-limit will reset

Damaged 24V transformer Replace transformer

Damaged controller Replace controller

Timer or timer trippers not set Pull trippers out for "on", push in for

(setpoint too low)

Damaged wiring Repair wiring

Damaged relay Replace relay

Damaged controller Replace controller

Plug into receptacle.
Reset circuit breaker

place if damaged

automatically

"off. Set timer to current time.

Change setpoint

Damaged heating element Replace element

Unit overheats Setpoint too high Change setpoint

Temp probe damaged Replace probe

Damaged controller Replace controller

Controller intermittent Dirty or damaged cooling fan Clean or replace fan

Damaged controller Replace controller

Blower fan not running Blower fan jammed Un-jam fan

Damaged fan motor Replace motor

Cooling fan not running Cooling fan dirty or damaged Clean or replace fan

Unit does not hold temperature

Damaged door gasket Replace gasket

Door not latched properly Replace defective latch, adjust door

Temp probe damaged Replace probe

Damaged controller Replace controller

10

PROGRAMMING INSTRUCTIONS

NOTE:
The air temperature setpoint is
factory set at 165ºF.

If a change in setpoint is required,
refer to: CHANGE TEMPERATURE
SETPOINTS

NOTE:
The low temperature alarm is
factory set at 145ºF.

If a change in alarm setpoint is re­quired, refer to: CHANGE ALARM
SETPOINTS

TO CHANGE TEMPERATURE SETPOINTS

Turn the power switch on. Press and hold the Temp Set
button. While holding the temperature set button, press the Up
Arrow or Down Arrow button until the desired air temperature
is displayed. The display will advance in 1ºF increments.

TO CHANGE TEMPERATURE RANGE

Turn the power switch off. Press and hold the Up Arrow and
Down Arrow buttons, While holding the buttons turn the

cabinet power back on. The display will read Ser F. To
change the range, press and release the Temp Set button.
This will activate the temperature range mode. Press the Temp
Set button. The display will read Rlo, To change the
temperature lower, press the Down Arrow button until desired
temperature range is displayed. (Minimum setting 150ºF)
Press the Temp Set button again, The display will read Rhi.
To change the temperature higher, press the up arrow button
until the desired temperature range is displayed. (Maximum
190ºF.)

When changes are complete, turn off the power switch to store
and save the changes.

TO CHANGE ALARM SETPOINTS

Turn the power switch on. Press and hold the alarm reset
button. While holding the alarm reset button, press the Up
Arrow or Down Arrow button until the desired alarm
temperature is displayed. The display will advance in 1ºF
increments.

TO CHANGE ALARM RANGE

Turn the power switch off. Press and hold the Up Arrow and
Down Arrow buttons. While holding the buttons turn the power

switch back on. The display will read Ser F To change the
range, press and release the Alarm Reset button. This will
activate the alarm range mode. The display will read Alo. To
change the alarm range lower, press the Down Arrow until
desired range is displayed. (Minimum setting 110ºF.)

To change the alarm range higher, press the Alarm Reset
button, The display will read Ali. Press the Up Arrow button
until the desired range is displayed. (Maximum setting 150ºF.)

When changes are complete, turn off the power switch to store
and save the changes.

11

WIRING DIAGRAM

18616-0223

12

Spare Parts List

Spare parts must be ordered

NOTE:

through the local Authorized
Service and Parts Distributor.

Please contact our factory for
pricing, lead times and
contact information.

PART

NUMBER

16001-4093 SHELF ASSY, TB916

16006-0018 DOOR ASY, TB916 RIGHT HINGED

16006-0040 DOOR ASY, TB916 LEFT HINGED

17020-2168 CABINET GASKET NON-MAGNETIC

18302-0050 LATCH MAG & CHRM OFFSET

18302-0054 STRIKE RETHERM #R25-X002

18302-0086 MEDIUM SNAP-IN MAGNET

18302-0294 24 HOUR TIMER 120V 20AMP

18304-0044 SELF CLOSING HINGE W/STOPS

18309-0066 6" ADJ. LEG S.S. 1 5/8"OD NP9

18312-0244 TB916 HOLDING CABINET OVERLAY

18312-0253 ON/OFF LABEL, TB916

18400-3093 EQUIPMENT MANUAL, TB916

18600-0046 HI-LIMIT SWITCH AUTO

18602-0031 SWITCH BOOT

18602-0083 TOGGLE SWITCH 30A 120V

18603-5014 3/8 FAN BLADE

18607-0009 TERMINAL BLOCK (6) VDE

18612-0335 HEATING ELEMENT 2000 WATTS

18614-0266 FAN GUARD #SC120-W3

18614-0291 MOTOR 208/240V 50/60HZ

18614-0314 MUFFIN FAN 115V

18614-0316 CORD SET X 40" #4C552

18616-0135 TRANSFORMER

18616-0198 PROBE 3/16 X 1.5 X 18.5

18616-0207 CONTRLLER W/GREEN LED

18616-0223 RELAY SPST-NO

I1000-1699 WIRING DIAGRAM, TB916

TB916H000A TB916 HEATER ASSEMBLY, 120V

TB916

DESCRIPTION

TB916N1

DUTCH DOOR

120V/2000W/
20AMP/60HZ
TB9160000B

TB916N2
DUTCH DOOR
LEFT HINGED

120V/2000W/
20AMP/60HZ
TB9160001B

X

X X X

X X X
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X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
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X X X
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X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X

X

TB916N3

DUTCH DOOR

W/ WINDOW

9 SHELVES
MENU BRKT
TB9160002B

X

13

Manufactured for:

Carter-Hoffmann

A Division of Carrier Commercial Refrigeration

1551 McCormick Ave.

Mundelein, Illinois, 60060 USA

Phone: [phone]

Toll Free (USA and Canada): 800-323-9793

Fax: [phone]

After Hours Emergency: 800-421-3744

Normal business hours are 8:30 am - 5:00 pm, C.S.T., Monday-Friday

Service E-mail: [e-mail]

Sales and Marketing E-mail: [e-mail]

Company Website: www.carter-hoffmann.com

To obtain Warranty Service, call Carter-Hoffmann direct

14