Wells MOD-127TDWA Service Manual
MOD100E
WELLS MANUFACTURING
265 Hobson Street, Smithville, Tennessee 37166
telephone: 314-678-6314
fax: 314-781-2714
www.wells-mfg.com
OWNERS MANUAL
BUILT-IN
SINGLE WELL
MODULAR
WARMERS
with
THERMOSTAT & DIGITAL
ELECTRONIC CONTROL
MODELS
MOD100T, TD, TDWA
MOD100E, ED, HE
MOD100HT, HTD
MOD127TD, TDWA
011C
Includes
INSTALLATION
USE & CARE
EXPLODED VIEW
PARTS LIST
WIRING DIAGRAM
MOD100T
IMPORTANT: DO NOT DISCARD THIS MANUAL
This manual is considered to be part of the appliance and is to be given to the OWNER or
MANAGER of the restaurant, or to the person responsible for TRAINING OPERATORS of
this appliance. Additional manuals are available from your WELLS DEALER.
THIS MANUAL MUST BE READ AND UNDERSTOOD BY ALL PERSONS USING OR
INSTALLING THIS APPLIANCE. Contact your WELLS DEALER if you have any
questions concerning installation, operation or maintenance of this equipment.
2M-308017 Rev. C
03/18
LIMITED EQUIPMENT WARRANTY
Wells Manufacturing warranties new products to be free from defects
in material and/or workmanship for a period of one [1] year from the
date of original installation, except as noted below. Defects that occur
as a result of normal use, within the time period and limitations defined
in this warranty, will at Wells’ discretion have the parts replaced or
repaired by Wells or a Wells-authorized service agency.
THIS WARRANTY IS SUBJECT TO ALL LISTED CONDITIONS.
Repairs performed under this warranty are to be performed by a Wellsauthorized service agency. Wells will not be responsible for charges
incurred or service performed by non-authorized repair agencies.
In all cases, the nearest Wells-authorized service agency must be used.
Wells will be responsible for normal labor charges incurred in the repair
or replacement of a warrantied product within 50 miles (80.5 km) of
an authorized service agency. Time and expense charges for anything
beyond that distance will be the responsibility of the owner. All labor
will need to be performed during regular service hours. Any overtime
premium will be charged to the owner. For all shipments outside the
U.S.A. and Canada, please see the International Warranty for specific
details.
It is the responsibility of the owner to inspect and report any shipping
damage claims, hidden or otherwise, promptly following delivery.
No mileage or travel charges will be honored on any equipment that is
deemed portable. In general, equipment with a cord and plug weighing
less than 50 lb. (22.7 kg) is considered portable and should be taken or
shipped to the closest authorized service agency, transportation prepaid .
CO NTAC T
Should you require any assistance regarding the operation or
maintenance of any Wells equipment; write, phone, fax or email
our service department. In all correspondence mention the
model number and the serial number of your unit, as well as
the voltage or type of gas you are using.
Business hours are 8:00 a.m. to 4:30 p.m. Central Standard Time
Telephone 314.678.6314
Fax 314.781.2714
Email customerservice@star-mfg.com
www.wells-mfg.com
RANTY EXCLUSIONS
WAR
THE FOLLOWING WILL NOT BE COVERED UNDER WARRANTY.
• Any product which has not been installed, cleaned, maintained, or
used in accordance with the directions published in the appropriate
installation sheet and/or owner’s manual as well as national and local
codes, including incorrect gas or electrical connection. Wells is not liable
for any unit which has been mishandled, abused, misapplied, subjected
to chlorides, harsh chemicals, or caustic cleaners, damaged from
exposure to hard water, modified by unauthorized personnel, damaged
by flood, fire, or other acts of nature [or God], or which have an altered
or missing serial number.
• Installation, labor, and job checkouts, calibration of heat controls,
air and gas burner/bypass/pilot adjustments, gas or electrical
system checks, voltage and phase conversions, cleaning
of equipment, or seasoning of griddle surface.
• Replacement of fuses or resetting of circuit breakers, safety
controls, or reset buttons.
• Replacement of broken or damaged glass components, quartz heating
elements, and light bulbs.
• Labor charges for all removable parts in gas charbroilers and
hotplates, including but not limited to burners, grates, and
radiants.
• Any labor charges incurred by delays, waiting time, or operating
restrictions that hinder a service technician’s ability to perform service.
• Parts that fail or are damaged due to normal wear or labor for
replacement of Items that can easily be replaced during a daily
cleaning routine. such as but not limited to silicone belts, PTFE nonstick sheets, knobs, control labels, bulbs, fuses, quartz heating
elements, baskets, racks, and grease drawers.
• Components that should be replaced when damaged or worn, but have
been field-repaired instead [eg. field-welded fry pots].
• Any loss of business or profits.
ADDITIONAL WARRANTIES
Specialty/chain specific versions may also have additional and/or
extended warranties.
PRODUCTS PARTS LABOR
universal ventless hoods 2 years 1 year
canopy hoods 2 years 1 year
“Cook’n Hold” equipment [HW10,
HWSMP, LLSC7, LLSC7WA, LLSC11,
2 years 1 year
an d LLSC 1 1WA]
cast iron grates, burners, and burner
shields
original Wells parts sold to repair
Wells equipment
1 year
90 days
Service First 1 year
The fore going warrant y is in lieu of any and a ll other warranti es expresse d or implied and c onstitutes the e ntire warranty. 2M-Z22393 • Rev A • 02.2018
TABLE OF CONTENTS
WARRANTY
FEATURES & OPERATING CONTROLS 2
PRECAUTIONS & GENERAL INFORMATION 3
AGENCY LISTING INFORMATION 3
INSTALLATION 4
OPERATION 6
MAINTENANCE INSTRUCTIONS 7
CLEANING INSTRUCTIONS 8
TROUBLESHOOTING SUGGESTIONS 10
EXPLODED VIEW & PARTS LIST 12-16
WIRING DIAGRAM 17
PARTS & SERVICE 20
CUSTOMER SERVICE DATA 21
INTRODUCTION
Thank You for purchasing this Wells Manufacturing appliance.
Proper installation, professional operation and consistent maintenance of this appliance will ensure that it
gives you the very best performance and a long, economical service life.
This manual contains the information needed to properly install this appliance, and to use and care for the
appliance in a manner which will ensure its optimum performance.
SPECIFICATIONS
2M-308017-011C Built-In Single Well Modular Warmer w/T-Stat Control
MODEL VOLTS AMPS WATTS
MOD100T,
MOD100TD
MOD127TD
120 VAC 1ø 13.8A 1600W
240 VAC 1ø 6.9A 1600W
208 VAC 1ø 6.0A 1240W
240 VAC 1ø 6.9A 1600W
1
POWER SUPPLY
CORD
NOT SUPPLIED208 VAC 1ø 6.0A 1240W
NOT SUPPLIED
FEATURES & OPERATING CONTROLS
A. THERMOSTAT
INDICATOR
LIGHT
TEMPERATURE
CONTROL
KNOB
WELLSLOKS
IL2468
1. On thermostatically controlled warmers, power is applied to the
heating element according to the control knob position and the
actual temperature at the temperature sensing thermobulb.
2. The desired temperature is controlled by rotating the temperature
control knob. The knob has a numeric scale, where higher
numbers correspond to higher temperature.
3. On warmers equipped with an indicator light, the light will glow
when the thermostat is calling for heat (i.e. the element is
energized).
4. The TEMPERATURE CONTROL KNOB will rotate approximately
300º, and will reach a “stop” at both ends.
The OFF position is marked.
NOTE: The dial position is an indication of the temperature setting.
Actual temperature will vary depending upon the type of product
and food consistency.
B. MOUNTING
1. MOD-series built-in warmers may are equipped with wellsloks,
uniquely designed turnout tabs which help secure the warmer top
ange to the countertop.
2. See the Installation Instructions, supplied with the particular
appliance, for details.
IL2469
C. DRAINS
1. Sufx “D” units (e.g. MOD-300TD) have drains for each pan,
with each pan having an individual drain valve.
2M-308017-011C Built-In Single Well Modular Warmer w/T-Stat Control
2
PRECAUTIONS AND GENERAL INFORMATION
This appliance is intended for use in commercial establishments only.
This appliance is intended to hold pre-heated food for human
consumption. No other use is recommended or authorized by the
manufacturer or its agents.
Operators of this appliance must be familiar with the appliance use,
limitations and associated restrictions. Operating instructions must be
read and understood by all persons using or installing this appliance.
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.
Disconnect this appliance from electrical power before performing any
maintenance or servicing.
This appliance is not jet stream approved. Do not direct water jet or
steam jet at this appliance, or at any control panel or wiring.
Do not splash or pour water on, in or over any controls, control panel or
wiring.
Exposed 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. Call
your Authorized Wells Service Agent for service.
The technical content of this manual, including any wiring diagrams,
schematics, parts breakdown illustrations and/or adjustment
procedures, is intended for use by qualied technical personnel.
Any procedure which requires the use of tools must be performed by a
qualied technician.
This manual is considered to be a permanent part of the appliance.
This manual and all supplied instructions, diagrams, schematics,
parts breakdown illustrations, notices and labels must remain with the
appliance if it is sold or moved to another location.
This appliance is made in the USA. Unless otherwise noted, this
appliance has American sizes on all hardware.
WARNING:
SHOCK HAZARD
All servicing requiring
access to non-insulated
electrical components must
be performed by a factory
authorized technician.
DO NOT open any access
panel which requires the use
of tools. Failure to follow this
warning can result in severe
electrical shock.
CAUTION:
RISK OF
DAMAGE
DO NOT connect or energize
this appliance until all
installation instructions are
read and followed. Damage
to the appliance may result
if these instructions are not
followed.
CAUTION:
HOT SURFACE
Exposed surfaces can be hot
to the touch and may cause
burns.
AGENCY LISTING INFORMATION
Refer to the product nameplate for the specic appliance for agency
listings. In general:
2M-308017-011C Built-In Single Well Modular Warmer w/T-Stat Control
This appliance conforms to NSF Standard 4 for sanitation only if
installed in accordance with the supplied Installation Instructions.
UL Listed warmers are
U Listed under UL File E6070.
3
STD 4
E6070
UL Listed Warmers
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
the inside front cover of this
manual.
WARNING:
RISK OF INJURY
Installation procedures must
be performed by a qualied
technician with full knowledge
of all applicable electrical and
plumbing codes. Failure can
result in personal injury and
property damage.
CAUTION
FIRE HAZARD
Avoid storing ammable or
combustible materials in, on
or near the appliance.
IMPORTANT: For warmers
installed in plastic counter
tops, the counter material
must be protected from the
heat of the warmer in order to
prevent discoloration and/or
deterioration. Wellsloks are
not suitable for this purpose.
The installer should contact
the manufacturer or distributor
of the countertop material for
specic instructions.
IMPORTANT: Wellslok
Extension Kits must be used
ONLY with UL Listed warmers
approved for installation in
wood counter tops. Refer to
the Installation Instructions
provided with the warmer.
UNPACKING & INSPECTION
Carefully remove the appliance from the carton. Remove all protective
plastic lm, packing materials and accessories from the Appliance
before connecting electrical power or otherwise performing any
installation procedure.
Carefully read all instructions in this manual and the Installation
Instruction Sheet packed with the appliance before starting any
installation.
Read and understand all labels and diagrams attached to the
appliance.
Carefully account for all components and accessories before discarding
packing materials. Store all accessories in a convenient place for later
use.
INSTALLATION NOTES
1. Installation and start up of built-in warmers MUST be performed
by an authorized installation company.
2. It is the responsibility of the installer to verify that this warmer
installation is in compliance with the specications listed in this
manual and on the specication sheet provided.
3. It is the RESPONSIBILITY OF THE INSTALLER to check with the
authority having jurisdiction, in order to verify that this warmer
installation is in compliance with local code requirements.
4. Water supply and drain installation must meet all applicable local,
state and federal plumbing codes and ordinances.
5. Refer to Installation Instructions included with the warmer for
Underwriters Laboratories conditions of acceptability, electrical
requirements and other installation concerns.
BUILT-IN WARMERS
1. This is a GENERAL GUIDE. For specic cutout dimensions
and other installation details, refer to the Installation Instructions
supplied with the warmer.
2. Cutout dimensions for warmer units and control panels are listed
on the Installation Instructions provided with the warmer.
NOTE: Verify the dimensions are correct for the installation before
making the cutout.
2M-308017-011C Built-In Single Well Modular Warmer w/T-Stat Control
4
INSTALLATION
3. For “top-mounted” warmers (i.e. warmers mounted from above
the counter top):
a. Verify that provided sealants are applied to the underside
of the warmer top ange prior to setting the unit into the cutout.
b. After installation, verify that the tabs on the Wellsloks are turned
out to lock the warmer into the counter
c. Apply a thin bead of food-grade silicone sealant around the ange
to seal it to the counter.
d. Wellslok extension kits are available for installing warmers in
counter tops where the standard Wellslok would not normally
reach. The extension kit will adapt to counter tops up to 1¾” thick.
ELECTRICAL INSTALLATION
1. Refer to the product nameplate. Verify the electrical service
power. Voltage and phase must match the nameplate
specications. Wiring the warmer to the wrong voltage can
severely damage the unit or cause noticeably decreased
performance.
2. Available electrical service amperage must meet or exceed the
specications listed on the specication sheet provided with the
warmer.
3. Warmer and control unit must be connected to an appropriate
building ground. Ground connection will be marked “GND” or
” “ .
NOTE: Wire gauge, insulation type and temperature rating , as
well as type, size and construction of conduit, must meet or exceed
applicable specications of local codes and of the National
Electrical Code.
PLUMBING INSTALLATION
For use in the State of Massachusetts, this appliance must be
installed in compliance with Massachusetts Fuel Gas and
Plumbing Code CMR 248.
1. IMPORTANT: All plumbing installations must be performed by
a qualied plumber.
2. For units equipped with a DRAIN LINE: Some jurisdictions may
require an approved air gap or other back-ow prevention device
in the drain. It is the responsibility of the plumber to determine
2M-308017-011C Built-In Single Well Modular Warmer w/T-Stat Control
such requirement, to provide and properly install the required
device.
NOTE: Damage caused
by leaks due to improper
installation is NOT covered by
warranty.
CAUTION:
SHOCK HAZARD
The ground lug of this
appliance must be connected
to a suitable building ground.
IMPORTANT:
Contact a licensed electrician
to install and connect electrical
power to the appliance.
IMPORTANT:
Damage due to being
connected to the wrong
voltage or phase is NOT
covered by warranty.
IMPORTANT: Electrical
installation other than as
specied on the specication
sheet will void the UL listing,
and may void the warranty.
NOTE: Plumb connections
must be made in compliance
with all Federal, State and
Local Plumbing Codes and
Ordinances.
5
OPERATION
CAUTION:
HOT SURFACE
Exposed surfaces can be hot
to the touch and may cause
burns.
CAUTION:
SHOCK HAZARD
DO NOT splash or pour water
onto control panel or wiring.
Always use an inset.
DO NOT place food directly
into the warmer.
Always pour hot water into the
warmer before it is preheated.
DO NOT pour water into a
dry, heated warmer. This may
damage the unit.
DO NOT put ice into a
warmer pan. This will cause
condensation on the inside of
the warmer. Damage caused
by condensation is NOT
covered by warranty.
Stir thick food items frequently
to keep food heated uniformly.
WET OR DRY OPERATION for WARMERS
1. Carefully read the description of the warmer operation on the
specication sheet.
2. a. Most warmers are designed for WET OR DRY operation.
b. Warmers may be used wet, or may be used dry. However
warmers may NOT be used wet-to-dry or dry-to-wet unless they
have been allowed to cool to room temperature between the
change in wet or dry operation.
c. Wells Manufacturing recommends operating WET for consistent
food heating.
d. If your wet-operation warmer is allowed to run dry, turn it OFF and
allow to cool to room temperature before adding water.
3. If the warmer is to be used for WET operation, add approximately
1” of hot tap water before turning the warmer ON. Use of hot water
will allow a faster preheat.
a. Check the water level frequently and add hot water as necessary
to prevent the warmer from running dry. Do not add water to the
warmer if it has run dry.
b. If your wet-operation warmer is allowed to run dry, turn it
OFF and allow to cool to room temperature before adding water.
4. Damage caused by allowing a wet-operation warmer to run dry,
is NOT covered by warranty. Damage caused by adding water
to a dry warmer when hot is NOT covered by warranty.
PRE-HEATING THE WARMER
1. Place desired pan(s) or inset(s) with appropriate adapter top on
warmer.
a. Insets are available as accessories in 2½ qt., 4qt., 7 qt., and 11 qt.
sizes with lids and adapter tops.
b. For dry operation, a 6” deep pan or inset is recommended.
2. Turn temperature control to HI or highest temperature setting.
3. Allow warmer to preheat for approximately 30 minutes, then set
the control for the desired temperature. Be sure to keep the warmer
covered during preheat and operation.
Keep insets covered to
maintain food quality and
temperature.
2M-308017-011C Built-In Single Well Modular Warmer w/T-Stat Control
6
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