Wells OC1 Installation Manual

WELLS BLOOMFIELD, LLC

10 Sunnen Dr., St. Louis, MO 63143

telephone: [phone]

fax: [phone]

www.wells-mfg.com

273

OWNERS MANUAL

HALF-SIZE

CONVECTION

OVEN

MODELS

OC1

OC1

Includes

INSTALLATION

USE & CARE

EXPLODED VIEW

PARTS LIST

WIRING DIAGRAM

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.

p/n 2M-Z14729 Rev. - M273 110519

LIMITED WARRANTY STATEMENT

Unless otherwise specied, all commercial cooking

equipment manufactured by WELLS BLOOMFIELD, LLC is

warranted against defects in materials and workmanship

for a period of one year from the date of original installation
or 18 months from the date of shipment from our factory,

whichever comes rst, and is for the benet of the original

purchaser only.
THIS WARRANTY IS THE COMPLETE AND ONLY

WARRANTY, EXPRESSED OR IMPLIED IN LAW OR IN
FACT, INCLUDING BUT NOT LIMITED TO, WARRANTIES
OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE, AND/OR FOR DIRECT,INDIRECT
OR CONSEQUENTIAL DAMAGES INCONNECTION WITH
WELLS BLOOMFIELD PRODUCTS. This warranty is void
if it is determined that, upon inspection by an authorized

service agency, the equipment has been modied, misused,

misapplied, improperly installed, or damaged in transit or

by re, ood or act of God. It also does not apply if the serial

nameplate has been removed, or if service is performed
by unauthorized personnel. The prices charged by Wells

Bloomeld for its products are based upon the limitations in

this warranty. Seller’s obligation under this warranty is limited

to the repair of defects without charge by a Wells Bloomeld

factory authorized service agency or one of its sub-service
agencies. This service will be provided on customer’s
premises for non-portable models. Portable models (a device

with a cord and plug) must be taken or shipped to the closest

authorized service agency, transportation charges prepaid,
for service. In addition to restrictions contained in this

warranty, specic limitations are shown in the Service Policy
and Procedure Guide. Wells Bloomeld authorized service

agencies are located in principal cities. This warranty is valid
in the United States and Canada and void elsewhere. Please

consult your classied telephone directory, your foodservice

equipment dealer or contact:

Wells Bloomeld, LLC

10 Sunnen Dr., St. Louis MO 63143 USA

phone [phone] or fax [phone]

for information and other details concerning warranty.

SERVICE POLICY AND PROCEDURE GUIDE and ADDITIONAL WARRANTY EXCLUSIONS

1. Resetting of safety thermostats, circuit breakers, over

load protectors, and/or fuse replacements are not

covered by this warranty unless warranted conditions

are the cause.

2. All problems due to operation at voltages or phase

other than specied on equipment nameplates are not

covered by this warranty. Conversion to correct voltage
and/or phase must be the customer’s responsibility.

3. All problems due to electrical connections not made
in accordance with electrical code requirements
and wiring diagrams supplied with the equipment are
not covered by this warranty.

4. Replacement of items subject to normal wear, to

include such items as knobs, light bulbs; and, normal

maintenance functions including adjustments of

thermostats, adjustment of micro switches and
replacement of fuses and indicating lights are not
covered by warranty.

5. Damage to electrical cords and/or plug due to exposure

to excessive heat are not covered by this warranty.

6. Full use, care, and maintenance instructions supplied
with each machine. Noted maintenance and

preventative maintenance items, such as servicing and

cleaning schedules, are customer responsibility. Those

miscellaneous adjustments noted are customer

responsibility. Proper attention to preventative

maintenance and scheduled maintenance procedures

will prolong the life of the appliance.

7. Travel mileage is limited to sixty (60) miles from an
Authorized Service Agency or one of its sub-service
agencies.

8. All labor shall be performed during regular working

hours. Overtime premium will be charged to the buyer.

9. All genuine Wells replacement parts are warranted
for ninety (90) days from date of purchase on non­warranty equipment. This parts warranty is limited only
to replacement of the defective part(s). Any use of
non-genuine Wells parts completely voids any

warranty.

10. Installation, labor, and job check-outs are not

considered warranty and are thus not covered by this

warranty.

11. Charges incurred by delays, waiting time or operating
restrictions that hinder the service technician’s ability to
perform service are not covered by warranty. This
includes institutional and correctional facilities.

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.

3. CONCEALED LOSS OR DAMAGE: if damage is

unnoticed until the merchandise is unpacked, notify the

transportation company or carrier immediately, and le

“CONCEALED DAMAGE” claim with them. This

should be done within fteen (15) days from the date

the delivery was made to you. Be sure to retain the
container for inspection.

Wells Bloomeld 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.

M273 p/n 2M-Z14729 Owners Manual OC1 Half-Size Convection Ovens

xi

TABLE OF CONTENTS

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

INSTALLATION 5
AGENCY APPROVAL INFORMATION 5

OPERATION 8
COOKING SUGGESTIONS 10
CLEANING INSTRUCTIONS 11
TROUBLESHOOTING SUGGESTIONS 13
PREVENTATIVE MAINTENANCE 14
EXPLODED VIEW & PARTS LIST 16
WIRING DIAGRAM 21

PARTS & SERVICE 25
CUSTOMER SERVICE DATA 25

INTRODUCTION

Thank You for purchasing this Wells Bloomeld 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

MODEL VOLTS

OC1

M273 p/n 2M-Z14729 Owners Manual OC1 Half-Size Convection Ovens

208 1ø 5000 NONE 5000 24
240 1ø 5600 NONE 5600 24

HEIGHT WIDTH DEPTH

30-1/4” (768mm)
plus 6” (152mm)

legs or casters

OVEN HOTPLATES TOTAL L1 L2 L3

SPECIFICATIONS

WATTS AMPS PE R LEG 3ø

DIMENSIONS

30-1/4”

(768mm)

26-1/4” (641mm)

plus 1-13/16”

(46mm) handle

DOOR

SWING

21” (635mm)

radius

REQUIRED CLEARANCES

Bottom 6” (152mm)

AMPS

Front 21” (533mm)

Top n/a

Back 3” (76mm)

Sides 3” (76mm)

1ø

POWER
SUPPLY

CORD

NEMA 6-30P

1

FEATURES & OPERATING CONTROLS

START
TIMER

PGM

1

PGM

4

PGM

5

CANCEL

PGM3PGM

2

ACTUAL

TEMP.

POWER ON

ON

FAN

OFF

HIGH

LOW

HEAT ON

PREP TOP
(OPTIONAL)

OVEN DOOR

LATCH

RIGHT SIDE
ACCESS PANEL

CONTROL

PANEL

POWER
INDICATOR

HEAT
INDICATOR

ON-OFF-FAN
SWITCH

FAN HIGH-LOW
SWITCH

DIGITAL
DISPLAY

TEMP SET
DIAL

TIME SET
DIAL

PROGRAM
KEYS

FUSES

RACK SUPPORTS

FAN
BAFFLE

OVEN
RACK

HEATING
ELEMENTS

BLOWER
FAN

VIEWING
WINDOW

ADJUSTABLE

LEGS

POWER
CORD

RIGHT

SIDE

FRONT

INSIDE

OVEN

IL2253

Fig. 1 Features & Operating Controls

M273 p/n 2M-Z14729 Owners Manual OC1 Half-Size Convection Ovens

2

FEATURES & OPERATING CONTROLS (continued)

IL2254

FEATURES & OPERATING CONTROLS

OVEN POWER SWITCH (ON-OFF-FAN):

1. ON position (with door closed). POWER ON indicator will glow,
blower fan will come on and unit will start to heat.

NOTE: In the ON position, if the door is opened, blower fan is
turned off and heating elements are de-energized.

2. FAN position. Blower fan will run (regardless of door position).
Heating elements are not energized.

SUGGESTION: For faster cool-down, prop door open and place

power switch in FAN position.

3.

OFF position shuts off power and blower fan.

OVEN FAN SPEED SWITCH (HIGH-LOW):

1. HIGH for normal operation.

2. LOW for foods sensitive to air currents.

3. OFF position shuts off blower fan

TIME ADJUSTMENT KNOB:

Used to program menu times

TEMP ADJUSTMENT KNOB

Used to program menu temperatures

page 9.)

DIGITAL DISPLAY

1. Displays set temperature or set time.

2. Displays temperature inside oven when ACTUAL TEMP key is

pressed.

3.

Displays set time and temperature of individual menu items when the

associated PGM key is pressed

4.

Displays time and temperature settings in programming mode.

(See PROGRAM COOK MODE, page 9.)

(See PROGRAM COOK MODE,

CAUTION:

HOT SURFACE

Exposed surfaces can be hot
to the touch and may cause
burns.

START TIMER KEY

Begins a cook cycle.

PROGRAM KEYS

Five different pre-set time/temperature combinations for preparing
different menu items.

CANCEL KEY

1. Press at any time to cancel a cook cycle.

2. Press at the end of a cook cycle to silence the audible alarm.

OVEN RACKS:

1. Five oven racks are provided with the oven.

2. Racks may be inserted into any available slot in the rack supports.

3. Always cook on a rack for proper convection air circulation.

4. Racks are designed to hold half-size (13” x 18”) bun pans.

M273 p/n 2M-Z14729 Owners Manual OC1 Half-Size Convection Ovens

3

Fig. 2 Control Panel

PRECAUTIONS AND GENERAL INFORMATION

WARNING:

ELECTRIC
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 will 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 prepare 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.

DO NOT submerge this appliance in water. 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. Do not wash oor around

this appliance with water or steam jet.
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. Do not

operate this appliance if the keypad section of the control panel is torn
or broken. 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.

AGENCY LISTING INFORMATION

This appliance conforms to NSF Standard 4 for sanitation only if

STD 4

E6070

installed in accordance with the supplied Installation Instructions and
maintained according to the instructions in this manual.

This appliance is Listed under UL File E6070.

M273 p/n 2M-Z14729 Owners Manual OC1 Half-Size Convection Ovens

4

INSTALLATION

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 including the Installation
Section 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

5 ea.

OVEN RACKS

2 ea. RACK SUPPORTS
1 ea. FAN BAFFLE
1 ea. VENT DUCT ASSEMBLY

ACCESSORIES

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.

1 ea.

LITERATURE PACKAGE

OPTIONAL ACCESSORIES

5F-22882 Stacking and Venting Kit

SERVICE TECHNICIAN INSTALLATION NOTES

1. Installation and start up should be performed by an authorized
installation company. Installer must record installation particulars
on the CUSTOMER SERVICE DATA form at the end of this
manual.

2. Verify that this equipment installation is in compliance with the

specications listed in this manual and with local code

requirements.

IMPORTANT:

It is the RESPONSIBILITY

OF THE INSTALLER to check

with the AUTHORITY

HAVING
jURISDICTION, in order to
verify compliance with local
codes and ordinances for
THIS SPECIFIC EQUIPMENT
INSTALLATION.

M273 p/n 2M-Z14729 Owners Manual OC1 Half-Size Convection Ovens

5

INSTALLATION (continued)

BACK OF
OVEN

BISCUIT ADAPTER

PROTEIN VENT

IL2255

WARNING:

ELECTRIC
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.

NOTE: Oven is shipped with

biscuit baking adapter plate

attached to rear panel.
If oven is used exclusively for

bread products (bread, pies,
etc.), DO NOT remove adapter.

If oven is used for proteins,
remove adapter and install
external vent. Protein requires
additional venting to decrease

release of cooking vapors when

opening the door.

EQUIPMENT SET-UP

1. IF CONVECTION OVEN IS TO BE USED FOR PROTEINS,

INSTALL EXTERNAL DUCT

a. Remove two screws at each end of adapter plate on back of

oven.

b. Loosen two screws at bottom of adapter plate.

Remove adapter plate.

c. Slide bottom ange of vent duct over the two loosened screws.

d. Install four and tighten screws at ends of vent duct, then

tighten bottom screws.

2. CURB or COUNTER MOUNTING

a. Setup the appliance only on a rm, 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.

b. Appliance is approved for installation with zero clearance at

bottom.

c. Recommend at least 3” clearance on sides and back to allow

adequate air ow.

3.

INSTALLING LEGS

a. Install adjustable legs, one on each corner of the appliance, in

the holes provided.

b. Set up the appliance only on a rm, 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.

c. LEVELING: Verify that the appliance sits rmly on ALL FOUR

LEGS. With a spirit level, check that the appliance is level
front-to-back and side-to-side.

Fig. 3 Vent Duct Installation

4. INSTALLING OPTIONAL CASTERS

a. Install casters, one on each corner of the appliance, in the

holes provided. Locking casters must be installed on the

FRONT of the appliance.

b. Set up the appliance only on a rm, 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.

c. LEVELING: Verify that the appliance sits rmly on all four casters

when in its normal operational position. With a spirit level, check
that the appliance is level front-to-back and side-to-side.

6

M273 p/n 2M-Z14729 Owners Manual OC1 Half-Size Convection Ovens