Place this chapter in the OVEN section of the equipment manual.
WELLS MANUFACTURING
10 Sunnen Dr., St. Louis, MO 63143
telephone: 314-678-6314
fax: 314-781-2714
www.wellsbloomfield.com
903
OWNERS MANUAL
VENTED
CONVECTION OVEN
MODEL
M4200-4
Includes
Installation
Use & Care
Programming
Exploded View
Parts List
Wiring Diagram
M4200 Convection Oven
This instruction is for the exclusive use of licensees
and employees of McDonalds Systems, Inc.
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-Z19624 Rev. B
M903
150731
INTRODUCTION
IMPORTANT: Use only factory
authorized service parts.
For factory authorized service,
or to order factory authorized
replacement parts, contact your
Wells authorized service agency,
or call:
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 that
will ensure its optimum performance.
Wells Manufacturing
10 Sunnen Dr.,
St. Louis MO 63143 USA
Service Dept.
phone: (877) 242-0270
fax:
(314) 781-2714
M903 2M-Z19624 Owners Manual M4200-4
xi
TABLE OF CONTENTS
GENERAL
OPERATION
AGENCY LISTING INFORMATION
WARRANTY
PRECAUTIONS & GENERAL INFORMATION
SPECIFICATIONS
INSTALLATION
FEATURES & OPERATING CONTROLS
OVEN FEATURES
SMART CONTROLLER
OPERATION
QUICK-GLANCE OPERATING GUIDE
DAILY SET-UP
COOK CYCLE OPERATION
1
2
3
4
5
8
10
12
13
14
PROGRAMMING
IMPORTANT:
Programming to be performed by Qualified Personnel ONLY!
ENTER PROGRAMMING MODE
CHANGE PROGRAMMED SETTINGS
INSTALL OPERATING SYSTEMS SOFTWARE
TRANSFER MENUS FROM CARD TO OVEN
TRANSFER MENUS FROM OVEN TO CARD
DEFAULT SETTINGS
PROGRAMMING
MAINTENANCE
M903 2M-Z19624 Owners Manual M4200-4
SERVICE
15
16
18
19
19
20
CLEANING INSTRUCTIONS
TROUBLESHOOTING SUGGESTIONS
PREVENTATIVE MAINTENANCE
TEMPERATURE CALIBRATION
HINGE ADJUSTMENT
21
23
24
25
EXPLODED VIEW and PARTS LIST
WIRING DIAGRAM M4200-4, 1 PHASE
M4200-4, 3 PHASE
M4200-4, 380/415
PARTS & SERVICE
CUSTOMER SERVICE DATA FORM
26
30
31
32
33
33
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.
M4200 (domestic) ovens are
for 208V and 240V.
and
M4200EU (European) ovens comply with
listed under UL File E6070
standards
for 380-415V 3NAC
1
STD 4
E6070
E6070
LIMITED WARRANTY STATEMENT
The M4200 Convection Oven manufactured by WELLS for sale
to McDonald's, Inc. is warranted against defects in materials
and workmanship for a period of three years parts & one
year labor from the date of installation (as indicated by the
installation punch-tag on the equipment), and is for the benefit of
the original purchaser:
All other equipment manufactured by WELLS for sale to
McDonald's, Inc. is warranted against defects in materials
and workmanship for a period of one year from the date of
installation (as indicated by the installation punch-tag on the
equipment), and is for the benefit of the original purchaser:
The prices charged by Wells 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 Authorized Service Agency or one of its subagencies. 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 services.
In addition to restrictions contained in this warranty, specific
limitations are shown below (Additional Warranty
Exclusions). Authorized Service Agencies are located in
principal cities.
This warranty is valid in the United States & Canada and
void elsewhere. Please consult your classified telephone
directory or your food service equipment dealer; or, for information and other details concerning warranty, write to:
THE FOREGOING OBLIGATION IS EXPRESSLY GIVEN
IN LIEU OF ANY OTHER WARRANTIES, EXPRESSED OR
IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE, WHICH ARE HEREBY EXCLUDED.
WELLS SHALL NOT BE LIABLE FOR INDIRECT, INCIDENTAL
OR CONSEQUENTIAL DAMAGES OR LOSSES FROM ANY
CAUSE WHATSOEVER.
Wells Manufacturing
10 Sunnen Dr., St. Louis MO 63143 USA
phone (314) 678-6314 or fax (314) 781-2714
for information and other details concerning warranty.
This warranty is void if it is determined that upon inspection
by an Authorized Service Agency that the equipment has
been modified, misused, misapplied, improperly installed, or
damaged in transit or by fire, flood or act of God.
It also does not apply if the serial nameplate has been
removed or unauthorized service personnel perform service.
SERVICE POLICY AND PROCEDURE GUIDE and ADDITIONAL WARRANTY EXCLUSIONS
1.
2.
3.
5.
6.
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 fifty (50) 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 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.
Wells 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.
2
M903 2M-Z19624 Owners Manual M4200-4
4.
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.
All problems due to operation at voltages or phase
other than specified on equipment nameplates are
not covered by this warranty.
Conversion to correct voltage and/or phase must be
the customer’s responsibility.
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.
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.
Damage to electrical cords and/or plug due to exposure
to excessive heat are not covered by this warranty.
Full use, care, and maintenance instructions supplied
with each machine. Noted maintenance and
preventative maintenance items, such as servicing and
PRECAUTIONS AND GENERAL INFORMATION
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 floor 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 qualified technical personnel.
M903 2M-Z19624 Owners Manual M4200-4
Any procedure which requires the use of tools must be performed by a
qualified 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.
3
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 will result if
these instructions are not
followed.
CAUTION:
HOT SURFACE
Exposed surfaces can be hot
to the touch and may cause
burns.
SPECIFICATIONS
20”
508 mm
OVEN CAVITY
Wide: 14-3/8” (365 mm)
Deep: 21” (533 mm)
High: 20” (508 mm)
MAX
DOOR SWING
30 1/8”
765.2 mm
2 5/8”
67 mm
25 1/4”
641 mm
2”
51 mm
Cord
Hanger
25 1/8”
638 mm
Power
Supply
Cord
OVEN GUIDE HOLDER
SPOTWELDED TO THE
OVEN DOOR
6 3/16”
157 mm
Voltage 208V M4200‐4 240V 380‐415V ELECTRICAL SPECIFICATION kW Amps Phase Hz L1 Total 1 Ph. 1 Ph 3 Ph 1 Ph 3 Ph 3NAC 60 60 60 60 50/60 7.5 8.75 8.4 8.75 8.75 L2 L3 N 38 21.0 21.0 21.0 37 21.0 21.0 21.0 11.7 11.7 11.7 1.0 Note: The unit is shipped from the factory wired for the voltage and phase on the nameplate,
It is not approved for field conversion.
4
M903 2M-Z19624 Owners Manual M4200-4
Model IL2956a
INSTALLATION
UNPACKING & INSPECTION
Carefully remove the appliance from the carton. Remove all
protective plastic film, packing materials and accessories from the
Appliance before connecting electrical power or otherwise performing
any installation procedure.
Carefully read all instructions in this manual 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
3 ea.
2 ea.
1 ea.
OVEN RACKS
RACK SUPPORTS
FAN BAFFLE
LITERATURE PACKAGE
OPTIONAL ACCESSORIES
21330
21445
23035
21342
Caster Set
Prep Top Kit
Venting Duct Assembly Kit (single oven)
Stacking kit for double ovens
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 on page 33 of this
manual.
M903 2M-Z19624 Owners Manual M4200-4
WARNING:
RISK OF
INJURY
Installation procedures must
be performed by a qualified
technician with full knowledge
of all applicable electrical and
plumbing codes. Failure can
result in personal injury and
property damage.
ACCESSORIES
1 ea.
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.
2. Verify that this equipment installation is in compliance with the
specifications listed in this manual and with local code
requirements.
5
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.
INSTALLATION (continued)
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.
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,
install optional external vent
kit # WS-505504. Protein
requires additional venting to
decrease release of cooking
vapors when opening the door.
2. CURB or COUNTER MOUNTING
a. Setup 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.
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 flow.
3. INSTALLING OPTIONAL CASTERS (NOTE: casters are not
provided and must be purchased separately:
kits WS-21372 & WS-21373.)
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 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.
c. LEVELING: Verify that the appliance sits firmly on all four
casters when in its normal operational position. With a level,
check that the appliance is level front-to-back and side-to-side.
4. INSTALLING OPTIONAL LEGS (NOTE: Legs are not provided
and must be purchased separately: (Kit: WS-22829, set of 2)
a. Install adjustable legs, one on each corner of the appliance, in
the holes provided.
b. 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.
c. LEVELING: Verify that the appliance sits firmly ON ALL FOUR
LEGS. With a spirit level, check that the appliance is level
front-to-back and side-to-side.
5. OTHER OPTIONAL KITS
a. Kit 5F-21445 Prep Top allows the top of the M4200 to be used
as an NSF 4-compliant work surface.
b. Kit WS-21342 Oven Stacking Kit allows M4200 units to be
stacked 2-high.
c. Kit WS-505504 - Convert to protein oven.
6
M903 2M-Z19624 Owners Manual M4200-4
Vent Duct Installation
EQUIPMENT SET-UP
1. IF CONVECTION OVEN IS TO BE USED FOR PROTEINS,
INSTALL EXTERNAL DUCT
a. Remove 2 screws at each end of adapter plate on back of
oven.
b. Loosen 2 screws at bottom of adapter plate. Remove
adapter plate.
c. Slide bottom flange of vent duct over the two loosened screws.
d. Install four and tighten screws at ends of vent duct, then
tighten bottom screws.
INSTALLATION (continued)
DANGER: SHOCK HAZARD
ELECTRICAL CONNECTIONS MUST BE MADE BY A
LICENSED ELECTRICIAN
Electrical shock will cause death or serious injury.
Refer to the nameplate on the front of the appliance.
• Verify the ELECTRICAL SERVICE POWER.
•
CAUTION:
Voltage and phase must match the nameplate specifications, and electrical
service amps must meet or exceed the specifications listed on page 1.
M4200 (domestic) field wiring must be no less than 10 AWG 4 conductor solid
copper wire, rated for at least 90ºC.
NOTE: Wire gauge, insulation type and temperature rating , as well as type,
size and construction of conduit, must meet or exceed applicable specifications
of local codes and of the National Electrical Code.
This appliance is equipped with a Hubbell L430P9 plug, which must be
plugged into a matching Hubbell L430R9 receptacle. The ground lug of the
receptacle must be connected to a suitable building ground.
M4200-EU (European) field wiring must have a minimum cross-sectional area of
1.5mm2.
IMPORTANT: An approved all pole power disconnect switch,
With at least 3 mm contact gap, must be supplied and installed in the fixed wiring in an accessible location (close proximity to the appliance) by a licensed
electrician.
!
NOTE: Strain relief supplied loose is for metal conduit connection.
For flexible power cords an approved strain relief fitting must be supplied by others.
M903 2M-Z19624 Owners Manual M4200-4
EU INSTALLATION INSTRUCTIONS:
1.
Using a screwdriver, remove terminal access panel located behind front
door marked: NOTICE - REMOVE THIS PANEL FOR TERMINAL BLOCK
2.
Knock out the appropriate hole plug located on enclosure panel and
connect conduit strain relief.
3.
Thread supply leads through strain relief
• Connect supply power lines to terminals marked: L1, L2, L3
•
•
Connect the neutral line terminal marked: N
Connect green-with-yellow-stripe lead to ground lug marked
4.
Secure all connections and reinstall terminal access cover.
5.
“Equal Potential” grounding screw is located at rear of frame,
marked
Remove screw and secure an appropriate grounding wire with
terminal.
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:
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
PROGRAMMING NOTE:
This oven is pre-programmed
from the factory and normally
does not require programming
adjustments.
EU Connections
SUPPLY LINE 3
L3
SUPPLY LINE 2
L2
SUPPLY LINE 1
L1
NEUTRAL
N
GROUND
IL2357
7
FEATURES & OPERATING CONTROLS
M4200 CONVECTION OVEN FEATURES
M903 2M-Z19624 Owners Manual M4200-4
8
M903 2M-Z19624 Owners Manual M4200-4
FEATURES & OPERATING CONTROLS (continued)
ITEM
DESCRIPTION FUNCTION
A. OPTIONAL PREP TOP
Allows top of oven to be used as a work surface
B. OVEN TOP
Covers and protects top insulation
C. OVEN DOOR
Covers and provides access to oven cavity
D1. DOOR HANDLE
D2. DOOR STRIKER & LATCH
Safe hand hold to open or close oven.
Striker and door- mounted latch hold oven door closed
E. ACCESS PANEL
Covers and provides access to fan motor and electric
connections and controls
F1. COOLING FAN INLET
F2. COOLING LOUVERS
Provides air circulation for cooling. DO NOT spray or pour
water into cooling fan inlet or louvers
G. POWER CORD
(not provided on EU models)
Supplies power from receptacle to oven
H. CORD HANGER
Provides storage for cord when moving oven
I.
EXTERNAL CAVITY VENT
Cooking fumes are vented here
J.
OPTIONAL FRONT CASTERS
Allow oven to be easily moved; locking to stabilize oven
when in position
K. OPTIONAL REAR CASTERS
Allow oven to be easily moved.
L. POWER FUSES
Protect electrical circuits from overload
M. DATA PLATE
Provides manufacturer, model and serial number information.
Also, provides electrical specifications and requirements
N. POWER PLUG
(not provided on EU models)
Plugs into power receptacle
P. CARD READER
Reads menu card
Q. MENU CARD
Contains default information; used to reprogram smart
controller with default settings in the event of program errors
R. ON/OFF SWITCH
Energizes appliance
S. SMART CONTROLLER
Controls cooking times and temperatures; selectable
pre-programmed settings.
DO NOT spray or pour water into controller
T. BEEPER
Audible indicator for alarms, end-of-cycle, etc.
U. RACK SUPPORTS
Hold cooking racks
V. PRODUCT RACK
Holds product to be cooked
W. HEATING ELEMENTS
Provide cooking heat when energized
X. FAN
Circulates heated air during cooking
Y. FAN BAFFLE
Covers fan, also provides mounting for right rack support
9
FEATURES & OPERATING CONTROLS (continued)
SMART CONTROLLER
HEAT ON
COOLING
TIMER
BAGELS
PIES
COOKIES
McGRIDDLES
MUFFINS
PASTRY
BITES
BUNDTS
SCR
BISCUIT
MOZZ
STICKS
IL2953
10
M903 2M-Z19624 Owners Manual M4200-4
BISCUITS
FEATURES & OPERATING CONTROLS (continued)
BUTTON
DESCRIPTION / FUNCTION
VIEW
TEMP
View current temperature & setpoint temperature by pressing and holding 3 seconds.
When baking multiple products can view time remaining. In program mode arrow
indicates cursor will move to the right when entering data.
PROG
Press and hold for 5 seconds to enter into program mode. After entry pressing
PROG button can access the following areas. When asked for password, enter 9793.
1) Temp Cal - - Not password protected. Used for calibrating temperature
2) View menu - - Not password protected. In this mode can view each product setting by
pressing the appropriate button. Cannot edit or change settings in this mode.
3) Edit menu - - Password protected (Authorized Personnel Only). In this mode can
view and change settings, names, alarms, etc. in buttons 1 – 0
4) Service menu - - Password protected (Authorized Personnel Only).
Contains the following information
a) Unit ID #
f) Rise Time
10:00
b) Scale ºF
g) Detect Current YES
c) Temp CompYES
h) Time (clock, real time)
d) Energy Saver NO
e) Default Menu
5) Transfer menu - - Password protected (Authorized Personnel Only).
Contains the following functions;
a) Read Menu Card
Controller will read information from the card
b) Write Menu Card
Controller will transfer information to the card
c) Restore Menu
Restores default menu settings (Use Menu Card)
d) Restore Systems
Restore default operating systems settings (Use System
Card)
6) Systems info - - Not password protected. Contains the following information used to
determine system versions and updates.
a) Model #
b) Bios Version
c) O/S Version (operating systems)
d) Default Menu
M903 2M-Z19624 Owners Manual M4200-4
NOTE: Program button is used as the enter key for accepting data and / or moving to the next function.
START
Actuates the timing cycle for baking. In programming mode used to exit and save
Buttons 0 – 9
Used to select stored menu items. In programming mode also used to enter alpha
sequences to change or enter product names.
Buttons 2 & 8
Select menu items. Also used in the programming mode for scrolling up or down
numerically for temperature calibration, and changing no to yes or vice versa.
UTILITY
1) Contains cool down function.
2) Used to switch between dayparts by holding UTILITY button for 3 seconds then
pressing PROG.
3) In program mode arrow function is used to move cursor to the left
CANCEL
1) Used to cancel alarms.
2) In program mode used to exit out without saving.
3) Used to cancel a bake cycle. Press VIEW to display desired bake cycle, then press
CANCEL to cancel that bake cycle.
IMPORTANT PROGRAMMING NOTE: This oven is pre-programmed from the factory and does not
require programming adjustments under normal circumstances.
11
QUICK-GLANCE OPERATING GUIDE
START-UP AND NORMAL OPERATION
ACTION
DISPLAY WILL READ
1
Verify the oven is plugged into proper outlet.
2
Turn power switch to “ON” position.
WELLS / BLOOMFIELD <for 3 seconds>
Oven will begin to heat up to a pre-set temperature of 375ºF.
BISCUITS TOO COOL
3
Button 1 is the default menu item. Oven temperature status is
displayed for the current menu item selected. The fan speed is
set for the first bake stage of the current menu item.
NOTE: Controller display will read “TOO COOL” until oven
reaches pre-set temperature of 375ºF.
During initial heat up, oven will not operate until “OVEN READY”
is displayed. When “OVEN READY” is displayed, have product
ready to put into oven
4
Open door, position product on proper shelf and close door.
BISCUITS READY
5
Press correct product button.
Press “START” button. EXAMPLE:
BISCUITS 3:00
6
At end of a cook cycle audible alarm will sound.
Alarm will automatically shut off when door is opened or
CANCEL button is pushed.
BISCUITS REMOVE
7
Remove product and close door
BISCUITS READY
8
Repeat numbers 4, 5, 6 and 7 for additional cook cycles. Be
sure correct menu option is selected and displayed. Always
push “START” button to begin cook cycle.
Repeat numbers 4, 5, 6 and 7 for additional cook cycles.
Be sure correct menu option is selected and displayed.
Always push “START” button to begin cook cycle.
SHUT-DOWN PROCEDURE
ACTION
DISPLAY WILL READ
1
When last product is done for the day open door of oven and let
it remain open.
2
Press “UTILITY” button.
FAST COOL MODE
3
Press “START” button. Fan will start
COOL DOWN
4
Allow cool-down process for a minimum time of 3 – 5 minutes.
5
Press power switch to “OFF” position. Interior of oven can then
be safely cleaned.
12
M903 2M-Z19624 Owners Manual M4200-4
NOTE: Up to three menus can be executed for single stage baking with the same bake temperature and fan speed. Multiple
menu execution is not supported with DAYPART #2 menus or
multi stage baking.
OPERATION
CAUTION:
DAILY SET-UP PROCEDURES
HOT SURFACE
1. Make sure the power cord is plugged into the appropriate
power supply receptacle.
2. Place the ON/OFF switch in the ON position. A double "beep" will
sound, display will read WELLS BLOOMFIELD for 3 seconds,
then display oven status:
a. Display will read BISCUITS TOO COOL and the heat light
will glow during warm-up.
b. Display will read BISCUITS READY and the heat light will go
out when oven temperature reaches the setpoint.
c. Heat light will cycle as heating elements cycle to maintain
desired temperature.
3. To view actual and setpoint temperature, press and hold TEMP key
for 5 seconds (example: TEMP 340F SET 375F).
WELLS / BLOOMIELD
HEAT ON
M903 2M-Z19624 Owners Manual M4200-4
COOLING
TIMER
BISCUITS
BAGELS
PIES
COOKIES
McGRIDDLES
MUFFINS
PASTRY
BITES
BUNDTS
SCR
BISCUIT
MOZZ
STICKS
IL2954
13
Exposed surfaces can be hot
to the touch and may cause
burns.
Oven door will be hot to the
touch during operation. Use
the provided handle to open
and close oven door.
NOTE: A "beep" will sound
each time a key is pressed.
OPERATION (continued)
CAUTION:
COOK CYCLE OPERATION
HOT SURFACE
1. Slide racks of product into oven as appropriate. Shelf positions
required for quality baked products are:
Exposed surfaces can be hot
to the touch and may cause
burns.
Oven door will be hot to the
touch during operation. Use
the provided handle to open
and close oven door.
Product and trays will be hot
after baking. Use appropriate
oven mitt to remove product
or trays.
CAUTION:
CUT HAZARD
Fan will be running during
cool-down. Avoid reaching
into the oven while oven is in
cool-down mode.
Fan blades are sharp and can
cause lacerations.
NOTE: Convection fan will
be running at all times the
power switch is ON and the
oven door is closed.
NOTE: Menu items are
subject to change at the
discretion of McDonalds
Management.
NO. OF PANS
OF PRODUCT
1
2
3
RACK POSITION
UTILIZED
5
2&8
2, 5 & 8
2. Press the appropriate menu key.
Press button ONCE for any full tray of
product (1, 2, 3).
Press button TWICE for any partial tray of
product (1/2, 1/4, …).
Display will show selected menu item and
associated time (example: BISCUITS 03:00). Within 5 seconds,
press START key to begin cooking. Start indicator light will glow
and display time will begin cook timer.
a. If START is not pressed within 5 seconds, controller returns
to OVEN READY.
b. Display shows product and time remaining on cook timer.
To display multiple cook cycles, press VIEW button repeatedly.
Partial tray readout is <BISCUITS PAR>
c. Typical menu items
for full trays
for partial trays
1. BISCUITS
BISCUITS
PAR
2. BAGELS
BAGELS
PAR
3. PIES
PIES
PAR
4. COOKIES
COOKIES
PAR
5. McGRIDDLES
McGRIDDLES PAR
6. MUFFINS
MUFFINS
PAR
Note: Load compensation is disabled when partial tray is selected.
4. At end of cook cycle, a continuous tone will sound and display will
advise to remove product (example: BISCUITS REMOVE).
IMPORTANT: Use oven mitt to remove product. Open oven door
or press CANCEL to silence tone. When door is closed, oven will
return to ready mode for the current menu item..
5. Cooling Timer is currently enabled for baking pies, muffins, pastry
bites and bundt cakes.
IMPORTANT: Product and trays will be hot after baking.
Wear appropriate oven mitt to handle hot product or trays.
a. At end of baking cycle cooling indicator light will glow.
Remove trays. Products are to remain on trays.
b. Close oven door. Oven timer will automatically sound after
time expires.
c. Do not box product until cooling time has expired.
14
M903 2M-Z19624 Owners Manual M4200-4
3. If necessary to interrupt cook cycle:
a. Timer pauses if door is opened during cook cycle. Timer will
resume countdown when door is closed.
NOTE: Opening oven door during baking is not recommended.
b. Press and hold CANCEL key for 5 seconds to cancel countdown
and return to ready mode.
PROGRAMMING INSTRUCTIONS
IMPORTANT: This oven is pre-programmed from the factory and does not require
programming adjustments under normal circumstances. Any programming
changes must be performed by qualified persons only.
ENTER PROGRAM MODE
NOTE: Oven must be turned ON. No cooling timer or bake cycle can be active.
Special Button Functions: Scroll through the options by pressing the PROG button: # 2 and
#8 allows scrolling up or down; and, changes from yes or no
DISPLAY WILL
READ
ACTION
1
To enter programming mode, press and hold PROG
TEMP CAL
button for 5 seconds
NO
This option allows temperature calibration
2
3
4
Press PROG button
VIEW MENU ITEM
This option allow viewing programmed values of menu items
Press PROG button
EDIT MENU
This option allows changing programmed values of menu items
Press PROG button
SERVICE MENU
TRANSFER MENU
SYSTEM INFO
M903 2M-Z19624 Owners Manual M4200-4
NO
NO
This option allows viewing of controller model number, BIOS program number and
version, operating system (O/S) number and version, and default menus
To EXIT PROGRAM MODE:
Press CANCEL button two (2) times. Controller will
OVEN READY
revert to RUN mode
1
2
3
4
5
6
7
8
9
0
NO
This option allows history upload, read menu card, write menu card
and restore defaults
Press PROG button
6
NO
This option allows changes to temperature scale and to set real-time clock
Press PROG button
5
NO
Button Designations
BISCUITS
BAGELS
PIES
COOKIES
McGRIDDLES
MUFFINS
PASTRY BITES
BUNDTS
SCRATCH BISCUITS
MOZZARELLA STICKS
15
PROGRAMMING INSTRUCTIONS (continued)
IMPORTANT: This oven is pre-programmed from the factory and does not require
programming adjustments under normal circumstances. Any programming
changes must be performed by qualified persons only.
CHANGE SETTINGS for name, cooking time, cooking temperature and cooling time
NOTE: Cannot go into edit or view program mode when cooling timer s activated or when in a bake cycle.
ACTION
DISPLAY WILL READ
1
Enter programming mode, press and hold PROG button for 5 seconds CAL TEMP
NO
2
Press PROG button until EDIT menu is reached
EDIT MENU ITEM
NO
3
Press #2 or #8 button to select YES
EDIT MENU
YES
Press PROG button
PASSWORD
0000
PASSWORD
9793
4
Type in 9793
Press PROG button
5
SELECT DAYPART
#1
NOTE: Two menu items can be programmed for each button. Up to three DAYPART #1 single stage recipe
menus with the same bake temperature and fan speed can be executed simultaneously. Multi stage baking
and DAYPART #2 menus do not support multiple menu execution. To switch from DAYPART #1 to DAYPART
#2 menus hold down the UTILITY button and press the PROG button.
6
Press PROG button
SEL->
7
Press desired menu button. Display will ready menu item selected
BISCUITS
Press PROG button. Display will read menu name with flashing cursor. BISCUITS
CHANGING THE NAME
8
NOTE: When programming in a new name, flashing cursor indicates letter to be changed. Using the alpha
designations on the keypad enter in the first letter. Cursor will automatically move to the next letter. Continue
in this manner until the name of the menu item is completely entered. To change letters use the arrow in the
VIEW /TEMP temp button to move the cursor to the right, or the arrow in the UTILITY button to move the
cursor to the left.
Press PROG button
YES
CANCEL
A/M MANUAL
If enable YES button can be used during normal operation
If enable NO button has no function during normal operation
Press PROG button
f CANCEL MANUAL, the audible alarm will sound until the door is opened or CANCEL is pressed.
10
If CANCEL AUTO, the audible alarm will time out.
Press PROG button and enter number of baking stages NUMBER OF STAGES 1-3.
Up to three bake stages can be programmed for each menu recipe. Each stage
will have a bake time, temperature, fan speed and time compensation table.
11
Press PROG button and enter cook time
COOK TIME
00:00
12
Press PROG button. Enter desired temperature
COOK TEMP
000
Press PROG button
FAN SPEED
HI
12A
Three fan speed settings are available. HI, LOW and LOW/HT. HI provides the fastest heat transfer. LOW
reduces heat transfer. LOW/HT provides air circulation only during the heating cycle to maintain even oven
temperatures while protecting delicate food products adversely affect by air currents.
16
M903 2M-Z19624 Owners Manual M4200-4
9
ENABLE
PROGRAMMING INSTRUCTIONS (continued)
IMPORTANT: This oven is pre-programmed from the factory and does not require
programming adjustments under normal circumstances. Any programming
changes must be performed by qualified persons only.
ACTION
DISPLAY WILL READ
IMPORTANT: DO NOT CHANGE FACTOR VALUES OR TIME VALUES FOR EXISTING MENU ITMES
13
Press PROG button. Display will read
Press PROG button repeatedly to cycle through factor values
and factor times (1 - 5).
14
FACTOR 1 VALUE
00000
FACTOR 1 TIME
00000
COOLING TIMER
NO
Enter time, temperature, fan speed, factor values and factor times for each bake stage.
Display will read <COOLING TIMER>
15
Press button #2 or #8 to enable or disable cooling timer
COOLING TIMER
16
Press PROG button
COOLING TIMER
17
Set desired cooling time (0 - 60 minutes) Press button #2 to increase time or button #8 to decrease time
18
19
20
Yes
10:00
Press PROG button. Beep will sound to indicate new information
is saved. (This is the end of this programming cycle. In no other UPDATING MENU ITEM
menu items are to be programmed, go on to #19. If other menu
items are to be programmed, press PROG to return to #6)
SELECT DAYPART
#1
Press START button
EDIT MENU ITEM
NO
Press START button
OVEN READY
Programming the controller is now complete
M903 2M-Z19624 Owners Manual M4200-4
NOTE: ENTER PROGRAMMING and VIEW PROGRAMMING are disabled during cook cycle and while cooling
timer is activated.
17
PROGRAMMING INSTRUCTIONS (continued)
IMPORTANT: This oven is pre-programmed from the factory and does not require
programming adjustments under normal circumstances. Any programming
changes must be performed by qualified persons only.
PROCEDURE TO INSTALL O/S SYSTEM INTO CONTROLLER
ACTION
DISPLAY WILL READ
APPROX. TIME
1. Oven switch must be in the “OFF” position
2. Insert menu Runware Card into card reader slot
with chip facing down. Push in until resistance is
met, then another 1/8”
3. Press “UTILITY” and “CANCEL” button at the
same time. Hold these buttons.
4. Turn oven switch to “ON” position
5. Release “UTILITY” and “CANCEL” button
at the same time.
6. Display will read the following for
approximate time:
Rotating Bar indicates controller
is accepting information
LOADING O/S
TESTING CARD
LOADING O/S
LOADING DEFAULT MENU
WELLS BLOOMFIELD
INCORRECT CARD
Oven Will Start
Remove card
1 second
28 seconds
56 seconds
1 second
1 second
(BEEP)
7. Audible alarm will sound and oven will start.
Remove card from slot and return to protective
packaging.
M903 2M-Z19624 Owners Manual M4200-4
8. Oven will say “TOO COOL”, and start to heat up.
Install operating system is now complete
18
PROGRAMMING INSTRUCTIONS (continued)
IMPORTANT: Programming changes to be performed by qualified persons only.
TRANSFER MENUS FROM MENU CARD TO CONTROLLER
Loading new settings to Controller from Menu Card to Oven using Smart Card Reader
NOTE: Oven must be in turned ON. No cooling timer or bake cycle can be active.
ACTION
DISPLAY WILL READ
1. Insert menu card into card reader slot
Insert menu card with chip facing down.
Push in until resistance is met, then another 1/8”
TESTING CARD (approx. 30 sec.)
PASSWORD
0000
2. Refer to page 22 for password
READ MENU CARD
NO
3. Press #2 button.
READ MENU CARD
YES
4. Press PROG button.
TESTING CARD (approx. 30 sec.)
READING CARD
A rotating bar indicates the controller is
reading and downloading the information from
the menu card. When finished, audible alarm
will sound.
5. Remove card from slot and return to protective packaging.
6. Press START button.
TOO COOL
TRANSFERRING MENUS FROM CONTROLLER TO MENU CARD
Saving new menu settings from Oven to Menu Card using Smart Card Reader
M903 2M-Z19624 Owners Manual M4200-4
NOTE: Oven must be in turned ON. No cooling timer or bake cycle can be active.
ACTION
DISPLAY WILL READ
1. Insert menu card into card reader slot
Insert menu card with chip facing down.
Push in until resistance is met, then another 1/8”
TESTING CARD (approx. 30 sec.)
PASSWORD
0000
2. Enter password # 9793
READ MENU CARD
NO
3. Press PROG button.
WRITE MENU CARD
NO
4. Press # 2 button.
WRITE MENU CARD
YES
5. Press PROG button.
A rotating bar indicates the controller is
writing the information from the oven to
the menu card, and the information is being
accepted. When finished, audible alarm
will sound.
WRITING CARD
6. Remove card from slot and return to protective packaging.
7. Press START button.
TOO COOL
19
PROGRAMMING INSTRUCTIONS (continued)
RECOMMENDED OVEN SETTINGS AS OF MARCH 1, 2015
IMPORTANT: Programming changes to be performed by qualified persons only.
BUTTON #
PRODUCT
"DISPLAYED
NAME"
BISCUITS
BUTTON
BASE TIME
1
3
McDonald's PRODUCT FACTORY DEFAULT SETTINGS
ENABLE
BUTTON
BASE TIME
2
3
YES
BUTTON
3
ENABLE
ENABLE
ENABLE
2
BUTTON
BASE TIME
5
6
CANCEL
BAKE STAGES COOK TIME
1
3:00
CANCEL
BAKE STAGES COOK TIME
1
10:00
CANCEL
BAKE STAGES COOK TIME
BASE TIME
6
47
YES
BASE TIME
7
8
ENABLE
BUTTON
BASE TIME
8
11
1
CANCEL
YES
BUTTON
9
ENABLE
2:00
BAKE STAGES COOK TIME
1
CANCEL
YES
BUTTON
BASE TIME
0
4:00
MINUTES
NO
N/A
COOK TEMP
FAN SPEED COOLING TIMER COOLING TIME
375 F / 190 C
HIGH
YES
10:00
COOK TEMP
FAN SPEED COOLING TIMER COOLING TIME
375 F / 190 C
HIGH
NO
N/A
COOK TEMP
FAN SPEED COOLING TIMER COOLING TIME
6:00
375 F / 190 C
HIGH
NO
N/A
BAKE STAGES COOK TIME
COOK TEMP
380 F /193 C
FAN SPEED COOLING TIMER COOLING TIME
LOW
3
20:00
305 F /152 C
LOW/HTR
26:30
320 F / 160 C
LOW
YES
20:00
MANUAL
ENABLE
CANCEL
BAKE STAGES COOK TIME
COOK TEMP
FAN SPEED COOLING TIMER COOLING TIME
A/M
YES
1
8:00
375 F / 190 C
HIGH
YES
30:00
MANUAL
ENABLE
CANCEL
BAKE STAGES COOK TIME
COOK TEMP
FAN SPEED COOLING TIMER COOLING TIME
A/M
YES
1
11:00
375 F / 190 C
HIGH
YES
10:00
MANUAL
ENABLE
CANCEL
BAKE STAGES COOK TIME
COOK TEMP
FAN SPEED COOLING TIMER COOLING TIME
A/M
YES
MINUTES
MOZZ STICKS
HIGH
A/M
BASE TIME
12
375 F / 190 C
MANUAL
MINUTES
SCR BISCUIT
FAN SPEED COOLING TIMER COOLING TIME
A/M
MINUTES
BUNDTS
COOK TEMP
1
12:00
375 F / 190 C
HIGH
NO
N/A
MANUAL
ENABLE
CANCEL
BAKE STAGES COOK TIME
COOK TEMP
FAN SPEED COOLING TIMER COOLING TIME
A/M
YES
1
4:00
375 F / 190 C
HIGH
NO
N/A
MANUAL
20
* Scale Factors - FACTOR VALUES 1 - 5 and FACTOR TIMES 1 - 5 should not be changed for existing menu items
PASSWORD for oven settings : 9793
FACTOR
VALUE
TIME
1
105
120
2
0
120
3
0
120
4
0
120
5
0
120
FACTOR
VALUE
TIME
1
56
60
2
0
60
3
0
60
4
0
60
5
0
60
FACTOR
VALUE
TIME
1
90
120
2
3
4
5
0
0
0
0
120
120
120
120
FACTOR
VALUE
TIME
1
0
0
2
0
0
3
0
0
4
0
0
5
0
0
FACTOR
VALUE
TIME
1
89
60
2
0
60
3
0
60
4
0
60
5
0
60
FACTOR
VALUE
TIME
1
0
0
2
0
0
3
0
0
4
0
0
5
0
0
FACTOR
VALUE
TIME
1
0
0
2
0
0
3
0
0
4
0
0
5
0
0
FACTOR
VALUE
TIME
1
0
0
2
0
0
3
0
0
4
0
0
5
0
0
FACTOR
VALUE
TIME
1
50
60
2
30
120
3
0
120
4
0
120
5
0
120
FACTOR
VALUE
TIME
1
0
0
2
0
0
3
0
0
4
0
0
5
0
0
M903 2M-Z19624 Owners Manual M4200-4
BUTTON
N/A
MANUAL
MINUTES
PASTRY BITES
NO
A/M
00:30
BUTTON
HIGH
MANUAL
MINUTES
MUFFINS
375 F / 190 C
A/M
MINUTES
McGRIDDLES
3:00
MANUAL
COOKIES
4
1
YES
YES
BASE TIME
FAN SPEED COOLING TIMER COOLING TIME
A/M
BASE TIME
10
MINUTES
BUTTON
COOK TEMP
MANUAL
MINUTES
PIES
BAKE STAGES COOK TIME
A/M
MINUTES
BAGELS
CANCEL
SCALE FACTORS
CLEANING INSTRUCTIONS
PREPARATION Allow oven to cool to 150ºF (65°C) or less
FREQUENCY
Daily
TOOLS
Clean Towels
CAUTION:
SHOCK HAZARD
Disconnect appliance from
electric power
before cleaning.
DAILY CLEANING
1. With power switch ON, open oven door. Press UTILITY key.
Display will read FAST COOL MODE. Press START key. Display
will read COOL DOWN and fan will start. When oven has cooled,
press power switch OFF.
2. Wipe down interior of oven and inside surface of door with a clean
towel dampened with water.
3. Dry by wiping with a clean dry towel.
4. Wipe control panel with a clean dry towel to remove any build-up of
grease or food particles.
CAUTION:
BURN HAZARD
Allow appliance to cool to
150ºF or less before cleaning.
Do not attempt to clean the
oven until it has cooled to
150ºF (65°C) or less. It can
burn you. Hand protection is
required.
IMPORTANT:
DO NOT use steel wool
or abrasive cleansers for
cleaning this appliance.
Always wipe or rub in the
direction of the polish lines
or grain of the metal.
PROCEDURE IS COMPLETE
IMPORTANT:
DO NOT spill or pour water
into control panel or wiring.
M903 2M-Z19624 Owners Manual M4200-4
NOTE:
Damage to internal
components from water
damage is not covered by
warranty.
21
CLEANING INSTRUCTIONS (continued)
CAUTION:
SHOCK HAZARD
Disconnect appliance from
electric power
before cleaning.
CAUTION:
BURN HAZARD
Allow appliance to cool to
150ºF (65°C) or less before
cleaning.
Do not attempt to clean the
oven until it has cooled to
150ºF or less. It can burn
you. Hand protection is
required.
CAUTION:
CUT HAZARD
Fan will be running during
cool-down. Avoid reaching
into the oven while oven is in
cool-down mode.
FAN BLADES ARE SHARP.
Use due care when cleaning
and/or wiping.
IMPORTANT:
DO NOT spill or pour water
into control panel or wiring.
FREQUENCY
Monthly
TOOLS
Fiber Brush, Plastic Scouring Pad, Plastic Scraper
Mild Detergent, McD Sanitizer,
APC All Purpose Cleaner, Clean Towel
MONTHLY CLEANING
1. With power switch ON, open oven door. Press UTILITY key.
Display will read FAST COOL MODE. Press START key. Display
will read COOL DOWN and fan will start. When oven has cooled,
press power switch OFF.
2. Remove racks and rack supports. Remove fan baffle.
3. Brush the fan wheel and wipe it with a moist cloth. Sponge out all
loose particles.
4. Scrub entire interior of convection oven with a plastic scouring pad
and APC cleaner.
5. For baked on food spills, apply APC cleaner. Close the oven door
and let stand for 10 minutes with the power OFF. Wipe food spill
with a plastic scouring pad as needed. Rinse area by wiping with a
clean sanitized towel.
6. Wipe down the entire interior using a clean cloth or moistened with
water and a mild detergent. Rinse by wiping with a clean towel
moistened with sanitizer.
7. Clean oven racks and rack supports in a sink or dishwasher.
8.Reinstall the fan baffle, paying
particular attention that the lip on
the right side of the fan baffle is
fully seated in the slot in the edge
of the oven cavity. Reinstall rack
supports and racks.
9.Press power switch ON, press
UTILITY key then START key.
Verify that fan runs smoothly and
does not contact fan baffle.
Press power switch OFF.
Reposition fan baffle if necessary.
Damage to internal
components from water
damage is not covered by
warranty.
10. Wipe down exterior of the oven
using a clean cloth moistened with
water and a mild detergent.
IMPORTANT:
Take care to avoid damage to
fan blades when reinstalling
fan baffle.
PROCEDURE IS COMPLETE
11. Replace oven rack supports.
22
M903 2M-Z19624 Owners Manual M4200-4
IMPORTANT:
DO NOT use steel wool
or abrasive cleansers for
cleaning this appliance.
Always wipe or rub in the
direction of the polish lines
or grain of the metal.
PREPARATION Allow oven to cool to 150ºF (65°C) or less
TROUBLESHOOTING SUGGESTIONS
CAUTION: SHOCK HAZARD
Removal of any cabinet panel will result in exposed electrical circuits.
Any procedure requiring the removal of any cabinet panel must be performed by a qualified
technician only.
CAUTION: SHOCK HAZARD
Fuse replacement may expose dangerous voltages.
Fuse replacement must be performed by a qualified technician.
SYMPTOM
POSSIBLE CAUSE
SUGGESTED REMEDY
No power to appliance
Circuit breaker off or tripped
Reset circuit breaker
Power cord unplugged or damaged
Check power cord
Plug in or repair as required
Fuse blown or loose
Check power fuses. If blown,
correct problem and replace
fuses
Power switch turned OFF
Turn power switch ON
Oven door not closed
Be sure door is closed and
latched
Hi-limit control tripped on excessive
oven temperature
Allow oven to cool
Hi-limit will reset
Damaged controller
Contact Authorized Wells
Service Agency for repairs
Oven door not closed
Be sure door is closed and
latched
Damage to internal components
Contact Authorized Wells
Service Agency for repairs
Door pops open during
cook cycle
Latch out of adjustment
Tighten door latch screws
Product not baking
properly (too light / too
dark)
Temperature out of calibration
Follow procedures to calibrate
temperature. See Preventative
Maintenance pg. 26
Proper programming not set for menu
Item
Check menu item programming.
See default settings pg. 15 - 19.
On startup controller
Displays <HTR ERROR>
Heating element is not working
properly
Contact Authorized Wells
Service Agency for repairs
On startup controller
Displays <MTR ERROR>
Fan motor is not working properly
Contact Authorized Wells
Service Agency for repairs
Oven will not heat
M903 2M-Z19624 Owners Manual M4200-4
Blower fan will not run
NOTE: There are no user serviceable components in the appliance. In all cases of damage or
component malfunction, contact your Authorized Wells Service Agency for repairs.
23
PREVENTATIVE MAINTENANCE
TEMPERATURE CALIBRATION
THE FOLLOWING PROCEDURE IS TO BE PERFORMED BY QUALIFIED PERSONNEL ONLY
PRECAUTIONS:
FREQUENCY:
TOOLS:
BURN HAZARD - Wear appropriate protective gloves
Monthly
Digital Thermometer with Oven Probe
TEMPERATURE CALIBRATION
1. Verify power cord is plugged into appropriate supply.
2. Use a digital thermometer with oven probe. Open the oven door and clamp the probe to the center
of the middle rack.
3. Route the probe wires between door gasket segments on the right corner of the oven. Close the
oven door. Plug the probe into the digital thermometer.
4. Press the POWER SWITCH to ON. Wait at least 30 minutes for temperatures to stabilize.
No cooling timer or bake cycle can be active.
ACTION
DISPLAY WILL READ
To enter programming mode, press and hold
PROG button for 5 seconds
TEMP CAL
NO
b)
Press #2 or #8 button
TEMP CAL
YES
c)
Press PROG button to display oven temp
in Fahrenheit and Celsius
CAL TEMP xxxF yyyC
where xxxF is ºF and yyyC is ºC
d)
Compare displayed temp with the digital thermometer reading. CAL TEMP should read within
±3ºF (±1ºC) of temperature on the digital thermometer. If temperatures are within 3ºF (1ºC) of
each other, proceed to Step f. If the difference between temperatures exceeds 3ºF (1ºC),
proceed with Step e.
e)
Change the CAL TEMP to match the thermometer reading. Use the “2” button to increase
CAL TEMP and “8” button to decrease the CAL TEMP. Always increase or decrease CAL TEMP
in increments of 3 - 5 degrees, then wait about 1 minute for the oven to adjust. You may not see
an immediate change in CAL TEMP when “2” or *”8” is pressed. Repeat as necessary.
a)
f)
Press PROG button to view the following defaults. Stop when you hear a beep and UPDATING
SYSTEM is flashed on the display. Any changes have been saved.
DEFAULT MENU
RISE TME
10:00
DETECT CURRENT
NO
CAL CURRENT
NO
TIME
(Ex: 00:00:00)
UPDATING SYSTEM
TEMP CAL
NO
g) Press the CANCEL button to exit programming mode OVEN READY
Remove temperature probe
from oven before use.
CAUTION:
BURN HAZARD
Oven and inner door surfaces
are hot. Wear appropriate
protective gloves.
24
M903 2M-Z19624 Owners Manual M4200-4
IMPORTANT: Pressing CANCEL at any time while in the TEMP CAL mode will cause any
changes to be ignored. These changes will neither be saved nor implemented.
PREVENTATIVE MAINTENANCE (continued)
CAUTION:
BURN HAZARD
Allow appliance to cool
completely before adjusting.
HINGE ADJUSTMENT
PRECAUTIONS:
None
FREQUENCY:
As Needed
TOOLS:
Phillips (+) Screwdriver
7/16" Nut Driver
7/8" and 1-1/8" Wrenches
THE FOLLOWING PROCEDURE IS TO BE
PERFORMED BY QUALIFIED PERSONNEL ONLY
1. Remove bottom panel to access pivot.
M903 2M-Z19624 Owners Manual M4200-4
2. Gap between top of door and frame , and between bottom
of door and frame must be approximately equal
Adjust height of door by loosening jamb nut, then turning
pivot on its screw mounting. Clockwise lowers the door
height. Counter-clockwise raises the door height.
Re-tighten jamb nut.
3. Gap between left side of door and frame must be the
same from top to bottom
Adjust door for plumb by loosening holding screws. Turn
adjusting bolt to increase or decrease gap at bottom.
Clockwise increases gap. Counter-clockwise decreases gap.
Re-tighten holding screws.
4. Gap between top of door and frame must be the same
from side to side
Hinge Adjustment
Adjust door for level by loosening holding screws, then
raising or lowering latch-end of door until it is level.
Re-tighten holding screws.
5. Reinstall bottom panel.
Procedure is complete
25
EXPLODED VIEW and PARTS LIST
M4200 and M4200EU
Cabinet & Related Components
D
81
104
40
M903 2M-Z19624 Owners Manual M4200-4
8
7
IL2276b
26
EXPLODED VIEW and PARTS LIST (continued)
M4200 M4200EU Cabinet & Related Components
Item
1
6
7
8
10
13
14
17
M4200 (EU)
F6-Z15736
2M-306719
2C-31038
Qty
1
1
1
3
1
2
2
2
1
1
4
8
1
1
1
2
2
1
20
21
22
24
29
30
35
36
BRACKET, CAVITY SUPPORT
GROMMET, 7/8" O.D.
ASSY, BAFFLE SUPPORT
MOUNT, TEMP SENSORS
MOUNT, TEMP SENSORS, Earlier Design
COVER, DOOR GASKET
CLIP, RACK SUPPORT
HANDLE ASSEMBLY
BRACKET, HI-LIMIT THERMO
ASSY, DOOR COMPLETE
GASKET, DOOR, SIDE
GASKET, DOOR, TOP/BOT
ASSY, OVEN TOP
38
HANGER, CORD
1
39
PANEL, EXTERIOR SIDE
2
40
INSULATION, MOTOR MOUNTING
1
42
44
47
50
51
52
54
55
56
ASSY, FRAME
SLEEVE, DOOR HINGE
GUARD, PROX. SWITCH
DOOR STRIKER
DOOR LATCH
BUSHING, TOP DOOR HINGE
PIN, HINGE, DOOR TOP AND BOTTOM
ASSY, BOT DOOR HINGE
PANEL, REAR
2A-43900
F6-45647
2C-305616
2C-305615
2K-305619
2A-305610
F6-43896
1
1
1
1
1
1
2
1
1
57
58
59
60
68
69
80
81
90
ASSY, VENT DUCT
TRIM, LOWER FRONT
BRACKET, PROX SWITCH
PLATE, DOOR PIVOT
PLATE, DOOR HINGE PIN
PLATE, DOOR PIVOT HOLE
NUT, HEX 3/4-10 UNC
BISCUIT BAKING ADAPTER
WIRE SET (not shown)
F6-43804
F6-43787
F6-43899
2A-305610
F6-43899
2C-44363
F6-305523
1
1
1
1
2
1
1
1
1
F6-44504
2B-50200-34
WS-21375
2C-35492
1
3
2
2
19
M903 2M-Z19624 Owners Manual M4200-4
Description
ASSY, CAVITY
PANEL, CONTROL
LOGO WELLS DIECAST SHIELD
RETAINER CLIP
BRACKET, MOTOR MOUNT
92
TIE, WIRE, STANDOFF (not shown)
101
102
103
104
BAFFLE, OVEN
RACK, PRODUCT
SUPPORT, RACK (pk 2)
SCREW 8-32X1/2 PH FL HD
cc CLIP, TINNERMAN
2K-31040
F6-304608
DD-48377
F6-43889
2R-305612
F6-304652
F6-46313
F6-46314
2
2C-37943
OPTIONAL PARTS
A KIT LEG OVEN S/S (SET OF 2)
CASTER, LOCKING (FRONT)
B
CASTER, SWIVEL (REAR)
PREP TOP (includes hardware)
BRACKET, PREP TOP
C
SCREW 8-32X 1/2 PH TR HD
WS-22829
WS-21373
WS-21372
WS-21445
F6-43828
2C-41620
2
2
2
1
4
8
D KIT, EXTERIOR VENT DUCT (SINGLE OVEN) F6-305504
1
27
EXPLODED VIEW and PARTS LIST (continued)
61 2 pc. 3pl.
M4200 & M4200EU
Internal Components
24
19
71
25 91 ref.
5
70
12
64
63
9
70
62
26
15
72
3
31
10
11
40 95
13
18
59
7
2
94
6
8
4
34
28
81
43
7.1
M903 2M-Z19624 Owners Manual M4200-4
23
7.2
89
66
67
ref. 67.1
IL2600a
28
EXPLODED VIEW and PARTS LIST (continued)
M4200 & M4200EU Internal Components
item
1
2
3
4
5
6
7
7.1
7.2
8
9
10
11
12
13
14
15
18
23
24
25
26
28
31
34
40
42
M903 2M-Z19624 Owners Manual M4200-4
43
59
61
62.1
62.2
63.1
63.2
64.1
64.2
66
67
67.1
70
71
72
81
89
93
94
95
description
ASSY, CAVITY
TERMINAL BLOCK
SPACER, BLOWER MOTOR
LUG, SOLDERLESS
FAN, COOLING
PANEL, CONTROL
MOTOR, 1/4 HP
START CAPACITOR
BRACKET, START CAPACITOR
SPACER, MOTOR MOUNT
BLOWER WHEEL
BRACKET, MOTOR MOUNT
SSR MODULE
RELAY, E-SAFE
ASSY, CURRENT DETECTOR
GROMMET, 7/8" O.D.
CONTACTOR, HI-LIMIT 208V
RELAY, HI-LIMIT 240V and 380-415V
TRANSFORMER
READER, MAGNETIC CARD
BRACKET, HI-LIMIT THERMO
THERMOSTAT, HI-LIMIT
THERMOCOUPLE
LABEL, GROUND SYMBOL
ASSY, PROXIMITY SWITCH
FUSEHOLDER, 10A 240V (M4200-3SV)
FUSEHOLDER, 5A 240V (M4200EU)
INSULATION, MOTOR MOUNTING
ASSY, FRAME
FUSE, 10A 240V (M4200-3SV)
FUSE, 5A 240V (M4200EU)
BRACKET, PROX SWITCH
BRKT ELEM M4200-2
INNER ELEMENT, 208V (4" GAP)
INNER ELEMENT, 240V (4" GAP)
MIDDLE ELEMENT, 208V (2.5" GAP)
MIDDLE ELEMENT, 240V (2.5" GAP)
OUTER ELEMENT, 208V (1" GAP)
OUTER ELEMENT, 240V (1" GAP)
ASSY, POWER CORD, 3PHASE
CORD ASSY 6-50P
CORD ASSY 9.5FT NEMA 15-30
CORD ASSY 9.5FT CS8265C
CORD ASSY 9.5FT L15-30P
CORD ASSY 9.5FT IEC 360P6
STRAIN RELIEF
NUT (ONLY), STRAIN RELIEF
GASKET, ELEMENT
COVER, ELEMENT GASKET INNER
COVER, ELEMENT GASKET OUTER
CONTROLLER, TIME & TEMPERATURE
SWITCH, ON/OFF
OP. MANUAL M4200 (not shown)
BRKT CURRNET DETECT MTG
MOUNTING BRKT MSB-KIT M4200
M4200
M4200EU
WS-50131
2E-40310
2U-44687
WS-63932
WS-69823
2V-300933
2U-43797
2E-304615
2E-306967
2E-306967A
2E-306976
2K-31040
2E-Z14960
2E-307328
2E-Z5741
2E-303286
2E-306977
2T-45180
2J-304580
DD-44584
F6-45239
2E-34769
DD-73795
2H-305520
F6-304609
2E-34768
2E-73794
F6-43787
F6-43829
2N-43872UL
2N-43783UL
2N-43866UL
2N-43800UL
2N-43873UL
2N-43949UL
2E-45177
F6-WL0306
F6-WL0733
F6-WL0734
F6-WL0735
F6-WL0736
2K-48754
2C-45504
2J-43834
F6-43836
F6-43837
2J-Z19605
2E-305295
2M-307323
F6-304717
F6-Z20016
29
qty
1
1
4
1
1
1
1
1
1
4
1
1
2
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
application
M42004-2083C, -2403C
M42004-2081A, -2401A
M42004-2083A, -2403A
M42004-2081B, -2401B
M42004-2083B, -2403B
M42004-2081C, -2401C
23
25
26 23
6 PIN CONNECTOR
24
1
2
27
3
4
26
5
6
25
24 27
3
7 3
23
- 27
23 - 27
-
24
23
35
1K OHMS
RESISTOR
11
TERMINAL
BLOCK
3
35
12 PIN CONNECTOR
+
RED
THERMOCOUPLE
27
33
5
32
12
10
26
33
25
LIGHTED
ROCKER
SWITCH
7
3
1
18
19
2
1
GRD/YEL
BLOWER
MOTOR
RED
BLACK
34
36
MOTOR RUN
CAPACITOR
HI-LIMIT
THERMOSTAT
NCC TIME
TEMPERATURE
CONTROLLER
A
3
DOOR
SENSOR
SW.
9
WHITE
2
COM
43
7
42
208
6
-
1
240
4
B
18
C
TRANSFORMER
208V SUPPLY
WIRING SHOWN
FOR 240V SUPPLY
MOVE NOS 4 & 42
ACCORDINGLY
SSR
HIGH SPEED
+
14
22
-
SSR
LOW SPEED
+
A
23 - 27
45
POWER
SUPPLY
CORD
44
GROUND
20
L2
T2
53
L1
T1
A2
54
41
A1
55
HI LIMIT
CONTACTOR
47
L3
T3
52
5
10
2M-Z19625 (REV A)
B
17
51
48
50
49
TERMINAL
BLOCK
46
A
CURRENT
DETECT
ASSY
AIR HEATER (3 PCS)
WHITE
YEL.
M903 2M-Z19624 Owners Manual M4200-4
30
BLACK
WIRING DIAGRAM FOR M4200
OVEN 208 OR 240 VOLTS, SINGLE PHASE
11
10AMP FUSE
(2 PCS)
ESAFE
RELAY
COOLING
FAN
43
42
WIRING DIAGRAM M4200 208/240V, SINGLE PHASE
23
-2
7
23 - 27
11
3
-
35
1K OHM
RESISTOR
+
24
23
7
3
1
27
33
5
12
32
10
26
33
25
LIGHTED
ROCKER
SWITCH
35
18
19
2
1
GRD/YEL
BLOWER
MOTOR
RED
BLACK
36
DOOR
SENSOR
SW.
34
MOTOR RUN
CAPACITOR
HI-LIMIT
THERMOSTAT
NCC TIME
TEMPERATURE
CONTROLLER
9
3
WHITE
6
7
2
COM
43
14
208
42
1
240
4
B
TRANSFORMER
208V SUPPLY
WIRING SHOWN
FOR 240V SUPPLY
MOVE NOS 4 & 42
ACCORDINGLY
SSR
HIGH SPEED
+
-
18
C
25
26
27
SSR
LOW SPEED
+
-
23
25
26 23
A
6 PIN CONNECTOR
24
1
A
3
2
THERMOCOUPLE
WIRING DIAGRAM FOR M4200
OVEN 208 OR 240 VOLTS, THREE PHASE
5
4
31
6
M903 2M-Z19624 Owners Manual M4200-4
24 27
3
7 3
23 - 27
45
49
20
L2
L1
T1
55
41
A2 A1
54
5
10
11
10AMP FUSE
(2 PCS)
ESAFE
RELAY
COOLING
FAN
43
2M-Z19626 REV B 7/27/15
44
53
T2
52
47
L3
T3
GROUND
WHITE
RED
B
17
51
48
50
TERMINAL
BLOCK
46
A
CURRENT
DETECT
ASSY
AIR HEATER (3 PCS)
42
WIRING DIAGRAM M4200 208/240, THREE PHASE
-2
7
+
-
RED
37
56
1K OHMS
RESISTOR
TERMINAL
BLOCK
3
35
NCC TIME
TEMPERATURE
CONTROLLER
YEL.
24
23
33
35
7
3
1
18
11
27
12
32
10
26
33
25
19
2
1
36
DOOR
SENSOR
SW.
GRN/YEL
WHITE
BLOWER
MOTOR
M
RED
9
3
43
2
7
38
1
12
5 6
38
8 11
1 2
6
7
4
TRANSFORMER
42
SSR
HIGH SPEED
+
-
14
B
18
C
SSR
LOW SPEED
+
-
22
17
A
MODEL M4200-4 220/380 - 240/415 VOLT 50/60 HZ AC 3 PHASE 4 WIRE WITH NEUTRAL
WARNING: DO NOT CONNECT TO A SYSTEM OPERATING AT MORE THAN 250 VOLTS TO GROUND
34
MOTOR RUN
CAPACITOR
HI-LIMIT
THERMOSTAT
BLACK
M903 2M-Z19624 Owners Manual M4200-4
32
AMPS
SINGLE
3 PHASE
VOLTS L1
L3
N PHASE
L2
11.7 11.7 11.7 1.0
36.1
240
23
23 - 27
THERMOCOUPLE
A
19
23 - 27
46
1
4
7
A
49
L3
T3
50
45
L3
47
L1
T1
L2
53
L1
N
N
A2 A1
52
44
2 3
5 6
8 9
B
48
L2
T2
51
57
57
55
GROUND
39
39
54
56
56
TERMINAL
BLOCK
46
L3
45
L2
N
57
GROUND
11
10
REV.(-) 2M-Z19726
L1
44
43
5 AMPS
FUSE
COOLING
FAN
42
SINGLE PHASE CONNECTION
TERMINAL
BLOCK
6
HI-LIMIT
RELAY
ESAFE
RELAY
CURRENT
SENSOR
WIRE# 22
LOOPED FIVE
(5) TIMES
AIR HEATER
(3 PCS)
WIRING DIAGRAM M4200 380/415, THREE PHASE
PARTS & SERVICE
DESCRIPTION
PART NO.
CASTER SET, OVEN (set of 4)
OVEN STACKING & VENTING KIT
CASTER, SWIVEL (set of 2)
CASTER, LOCKING (set of 2)
OVEN RACK, REPLACEMENT (ea.)
PREP TOP
LEG, OVEN, S/S
VENTING KIT, SINGLE OVEN
WS-21330
WS-21342
WS-21372
WS-21373
2B-43784
WS-21445
2A-45598
WS-23035
IMPORTANT: Use only
factory authorized service
parts and replacement
filters.
For factory authorized
service, or to order factory
authorized replacement parts,
contact your Wells authorized
service agency, or call:
Wells Manufacturing
10 Sunnen Drive
St. Louis, MO 63143
Service Parts Dept.
phone: (314) 678-6314
fax:
(314) 781-2777
M903 2M-Z19624 Owners Manual M4200-4
Service Parts Department can
supply you with the name and
telephone number of the
WELLS AUTHORIZED
SERVICE AGENCY
nearest you.
CUSTOMER SERVICE DATA
please have this information available if calling for service
RESTAURANT _____________________________ LOCATION _____________
INSTALLATION DATE ________________________ TECHNICIAN ___________
SERVICE COMPANY ________________________________________________
ADDRESS ___________________________ STATE ______ ZIP__________
TELEPHONE NUMBER (_____)_____-_________
EQUIPMENT MODEL NO. _______________
EQUIPMENT SERIAL NO. _______________
VOLTAGE: (check one)
208V
240V
33
380-415V 3NAC
WELLS MANUFACTURING
10 Sunnen Dr., St. Louis, MO 63143
telephone: 314-678-6314
fax: 314-781-2714
www.wellsbloomfield.com
Download PDF

advertising