Wells HTI-400AF Service Manual

WELLS MANUFACTURING

265 Hobson St., Smithville, TN 37166

telephone: [phone]

fax: [phone]

www.wells-mfg.com

OPERATION MANUAL

BUILT-IN

BAIN MARIE

STYLE

HEATED

022

Model HTI-3060AF

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.

TANKS

MODELS
HTI300AF
HTI400AF
HTI500AF

HTI3060AF

Includes

INSTALLATION

USE & CARE

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-305829 Rev. G

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 [phone]

Fax [phone]

Email [e-mail]

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 xi
SPECIFICATIONS 1
FEATURES & OPERATING CONTROLS 2
PRECAUTIONS & GENERAL INFORMATION 4

AGENCY LISTING INFORMATION 5

INSTALLATION 6
OPERATION 8
CLEANING INSTRUCTIONS 9
MAINTENANCE INSTRUCTIONS 11
TROUBLESHOOTING SUGGESTIONS 12
PARTS & SERVICE 13
CUSTOMER SERVICE DATA 13

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.

ELECTRICAL SPECIFICATIONS

MODEL VOLTS WATTS

HTI300AF

HTI400AF

HTI500AF

HTI3060AF

Units are shipped from the factory wired 3ø, and are eld convertible to 1ø.

Field wiring for 3ø must be at least 10 ga. copper.

Field wiring for 208 volt 1ø must be at least 8 ga. copper.

022 2M-305829 OpManual for HTI Bain Marie Warmers

Field wiring for 240 volt 1ø must be at least 6 ga. copper

Field wiring for all units must suitable for at least 90ºC.

208 6000 24.9 14.4 14.4 28.8

240 8000 28.8 16.7 16.7 33.3

208 9000 25.0 25.0 25.0 43.3

240 12000 28.9 28.9 28.9 50.0

208 9000 25.0 25.0 25.0 43.3

240 12000 28.9 28.9 28.9 50.0

208 9000 25.0 25.0 25.0 43.3

240 12000 28.9 28.9 28.9 50.0

AMPS PER LEG 3ø

L1 L2 L3

AMPS 1ø

1

FEATURES & OPERATING CONTROLS

PERFORATED

ELEMENT COVER

HEATING
ELEMENT

DRAIN

SCREEN

DRAIN

ELECTRICAL

SUPPLY INLET

DRAIN
VALVE

AUTOFILL
BACKFLOW
PREVENTER

WATER LEVEL
PROBES
(inside pan)

TEMPERATURE READOUT

TEMPERATURE READOUT

CONTROL
PANEL

WATER SUPPLY
CONNECTION

AUTOFILL TUBE
CONNECTION

022 2M-305829 OpManual for HTI Bain Marie Warmers

INDICATOR LIGHT

INDICATOR LIGHT

ON/OFF TOGGLE SWITCH

ON/OFF TOGGLE SWITCH

2

NAME PLATE

NAME PLATE

IL2084

FEATURES & OPERATING CONTROLS (continued)

A. CONTROLS

The ON/OFF toggle switch controls power to the warmer.

The INDICATOR LIGHT will glow when the ON/OFF switch is
turned ON.

The TEMPERATURE READOUT displays the current
temperature of the water bath. Temperature of the water bath is
pre-set at 190ºF (88ºC). Actual temperature of the food product
will vary depending upon type of product, food consistency and
other such variables.

The HEATING ELEMENT is energized when:

a. The water bath is below the set temperature; and,

b. The lower water level probe senses water.

Heating elements are protected from contact with food containers
by perforated element covers.

B. AUTOFILL

Water is automatically fed into the tank when:

a. The ON/OFF toggle switch is turned ON ; and,

b. The upper water level probe does not sense water.

C. WELLSLOKS

Built-in heated tanks are equipped with WELLSLOKS, uniquely
designed turnout tabs which help secure the tank ange to the

counter top.

(See Installation Instructions, supplied with the appliance, for
details.)

NOTE:

Heating elements must be
completely covered with water
at all times during operation.

Water supply must be properly
connected to the warmer and turned
ON. before operating the unit.

Drain valve must remain fully closed
during operation.

Perforated element covers must be
properly installed at all times during
operation.

D. DRAIN VALVE

Built-in heated tanks are equipped with a 1” NPT drain and
1/4-turn valve. Valve lever “down” is open; “up” is closed. Valve

must be closed for operation.

A drain screen is provided to help prevent drain clogs. The drain
screen should be in place at all times during operation.

E. NAME PLATE

Manufacturer information, as well as model, serial number and
electrical requirements are listed on the NAME PLATE.

022 2M-305829 OpManual for HTI Bain Marie Warmers

3

PRECAUTIONS AND GENERAL INFORMATION

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.

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 qualied technical personnel.

Any procedure which requires the use of tools must be performed by a

qualied 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.

022 2M-305829 OpManual for HTI Bain Marie Warmers

4

AGENCY LISTING INFORMATION

This appliance conforms to NSF Standard 4 for sanitation only if
installed in accordance with the supplied Installation Instructions and
maintained according to the instructions in this manual.

STD 4

This appliance is

This appliance is V Listed under UL File E6070 for 208V and 240V .

U Listed under UL File E6070 for 208V and 240V

E6070

E6070

022 2M-305829 OpManual for HTI Bain Marie Warmers

5

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 qualied
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

specic 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 form 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.

COMPONENTS

WARMER w/ CONTROL PANEL
PERFORATED ELEMENT COVERS

2 ea. HTI-300AF
3 ea for all others)

1” NPT VALVE

PREPARATION

Refer to the Installation Instruction Sheet for cutout dimensions
and required clearances. Maintain required clearances between the
appliance and adjacent combustible surfaces.

INSTALLATION

1. This is a GENERAL GUIDE. For specic cutout dimensions and

other installation details, refer to the Installation Instructions
supplied with the warmer.

2. Cutout dimensions for tank units and control panels are listed on

the Installation Instructions provided with the warmer.

3. For “top-mounted” installation:

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.

e. For heated tanks installed in plastic (e.g. Corian®) 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 specic installation instructions.

022 2M-305829 OpManual for HTI Bain Marie Warmers

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