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 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.
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 Manufacturingappliance. 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.
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 ENABLING SCRATCH BISCUIT BUTTON (#6) INSTRUCTIONS TO CHANGE COOKIE SETTINGS INSTALL O
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 two years 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.
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.
SPECIFICATIONS DIMENSIONS APPLIANCE OVEN CAVITY Wide 30-1/8” (765mm) 14-3/8” (365mm) Deep 25-1/4” (641mm) oven only 27-7/8” (682mm) incl. handle 21” (533mm) High 25-1/8” (638mm) oven only 34” (863mm) incl. prep-top\ and casters 20” (508mm) Door Swing 20" (508mm )radius ELECTRICAL M4200 208 VAC 3ø 60Hz 8750 kW total 21 Amps per leg M4200 240 VAC 3ø 60Hz 8750 kW total 21 Amps per leg M4200-3S-230 380-415V 3NAC 5-/60Hz 8750 kW total 11.7 Amps 11.7 Amps 11.7 Amps 1.
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 and the Installation Instruction Sheet packed with the appliance before starting any installation. Read and understand all labels and diagrams attached to the appliance.
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.
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. IMPORTANT: The appliance is shipped from the factory wired for 3-phase (3ø) electrical service.
FEATURES & OPERATING CONTROLS M4200 CONVECTION OVEN FEATURES M903 2M-307323 Owners Manual M4200/M4200EU 8
M903 2M-307323 Owners Manual M4200/M4200EU 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.
FEATURES & OPERATING CONTROLS (continued) SMART CONTROLLER M903 2M-307323 Owners Manual M4200/M4200EU 10
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 and pressing PROG button can access the following areas. When asked for password, enter 9793.
QUICK-GLANCE OPERATING GUIDE WELLS CONVECTION OVEN OPERATING INSTRUCTIONS (SEE OPERATION SECTION OF OWNERS MANUAL FOR MORE INFORMATION) 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 3. Oven will begin to heat up to a pre-set temperature of 375ºF. TOO COOL NOTE: Controller display will read “TOO COOL” until oven reaches pre-set temperature of 375ºF.
OPERATION DAILY SET-UP PROCEDURES CAUTION: 1. Make sure the power cord is plugged into the appropriate power supply receptacle. HOT SURFACE 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 TOO COOL and the heat light will glow during warm-up. b. Display will read OVEN READY and the heat light will go out when oven temperature reaches the setpoint. c.
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.
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.
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.
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.
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. ENABLING SCRATCH BISCUIT BUTTON (#6) 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 for YES EDIT MENU ITEM YES 4.
PROGRAMMING INSTRUCTIONS (continued) IMPORTANT: Programming changes to be performed by qualified persons only. INSTRUCTIONS FOR CHANGING COOKIE SETTINGS The Wells Convection Oven comes pre-programmed from the factory for cookies baked at 2:00 minutes at a temperature of 375°F (190°C). Following is the procedure to change the settings only in the event your location uses a different cookie or manufacturer. NOTE: Oven must be in turned ON. No cooling timer or bake cycle can be active.
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.
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.
Base Time 12 minutes NO ENABLE "SCRATCH BISCUITS" A/M MANUAL CANCEL A/M MANUAL CANCEL A/M MANUAL CANCEL A/M MANUAL CANCEL A/M MANUAL CANCEL A/M MANUAL CANCEL COOK TEMP 375°F / 190°C COOK TEMP 375°F / 190°C 6:00 COOK TIME 12:00 375°F / 190°C COOK TEMP 375°F / 190°C COOK TEMP 375°F / 190°C COOK TEMP 375°F / 190°C COOK TEMP COOK TIME 2:00 COOK TIME 10:00 COOK TIME 3:00 COOK TIME 3:00 COOK TIME PASSWORD for oven settings : 9793 N/A N/A 10:00 N/A N/A NO N/A COOLING T
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.
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.
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.
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.
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-307323 Owners Manual M4200/M4200EU 2.
EXPLODED VIEW and PARTS LIST M4200 and M4200EU Cabinet & Related Components D 81 104 40 M903 2M-307323 Owners Manual M4200/M4200EU 8 7 IL2276b 28
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.
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 13 18 59 7 94 2 6 8 4 34 28 81 43 7.1 M903 2M-307323 Owners Manual M4200/M4200EU 23 7.2 89 66 67 ref. 67.
EXPLODED VIEW and PARTS LIST (continued) M4200 & M4200EU Internal Components item 1 ASSY, CAVITY 2 TERMINAL BLOCK 3 SPACER, BLOWER MOTOR 4 LUG, SOLDERLESS 5 FAN, COOLING 6 PANEL, CONTROL 7 M4200 M4200EU qty 1 WS-50131 2E-40310 1 4 1 2U-44687 1 1 MOTOR, 1/4 HP WS-63932 1 7.1 START CAPACITOR WS-69823 1 7.
32 23 7 -2 23 - 27 1K OHMS RESISTOR TERMINAL BLOCK 35 11 3 27 33 5 LIGHTED ROCKER SWITCH 7 3 2 1 RED - 6 5 4 YEL. + NCC TIME TEMPERATURE CONTROLLER 25 33 32 11 2 1 34 DOOR SENSOR SW.
23 7 -2 23 - 27 33 37 56 TERMINAL BLOCK 1K OHMS RESISTOR TERMINAL BLOCK 3 RED L3 45 L2 L1 44 N 33 POWER SW 7 27 33 26 GROUND 11 27 SINGLE PHASE WIRING ILLUSTRATION 46 35 - 2 1 3 YEL. NCC TIME TEMPERATURE CONTROLLER + 24 23 35 5 4 6 25 8 7 9 18 32 11 12 2 1 34 DOOR SENSOR SW.
NOTES M903 2M-307323 Owners Manual M4200/M4200EU 34
M903 2M-307323 Owners Manual M4200/M4200EU NOTES 35
NOTES M903 2M-307323 Owners Manual M4200/M4200EU 36
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.
WELLS MANUFACTURING 10 Sunnen Dr., St. Louis, MO 63143 telephone: 314-678-6314 fax: 314-781-2714 www.wellsbloomfield.