903 WELLS MANUFACTURING COMPANY 2 ERIK CIRCLE, P. O. Box 280 Verdi, NV 89439 Customer Service (775) 345-0444 Ext.502 fax: (775) 345-0569 www.wellsbloomfield.com M4200 CONVECTION OVEN OWNER’S MANUAL OPERATING INSTRUCTIONS *** MAINTENANCE INSTRUCTIONS *** PARTS LIST IMPORTANT: DO NOT DISCARD THIS MANUAL This manual is considered to be part of the oven and is to be given to the owner or manager of the restaurant, or to the person responsible for training operators of the oven.
LIMITED WARRANTY STATEMENT The prices charged by Wells Mfg. Co.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 Mfg. Co. factory authorized service agency or one of its sub-service agencies. This service will be provided on customer’s premises for non-portable models.
TABLE OF CONTENTS Warranty ..................................................... Inside Cover Specifications .......................................................... 1 Features & Operating Controls ............................... 2 Safety Procedures .................................................. 4 Installation ............................................................... 5 Operation ................................................................ 8 Preventative Maintenance Cleaning Instructions ....
FEATURES AND OPERATING CONTROLS A B D C E F G H RIGHT SIDE FRONT REAR J P F Q L K M N R W U INSIDE OVEN S T Y V 2 X
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 D. LATCH Holds oven door closed E. ACCESS PANEL Covers and provides access to fan motor and electric connections and controls F. COOLING LOUVERS Provides air circulation for cooling. DO NOT spray or pour water into cooling louvers G. POWER CORD Supplies power from receptacle to oven H.
SAFETY PROCEDURES Knowledge of proper procedures is essential to the safe operation of electrically energized equipment. In accordance with generally accepted product safety labeling guidelines for potential hazards, the following signal words and symbols are used throughout this manual. DANGER DANGER - Danger is used to indicate the presence of a hazard which will cause severe personal injury, death, or substantial property damage in the event the statement is ignored.
INSTALLATION INSTRUCTIONS A. UNPACKING AND INSPECTION 1. Carefully remove equipment from the carton. Remove all protective plastic film and packaging materials. Remove accessories from the OVEN CAVITY before connecting electrical power or otherwise performing any installation procedures. NOTE: DO NOT discard the CARTON and other PACKAGING MATERIAL until you have inspected the appliance for hidden damage and tested it for PROPER OPERATION.
C. EQUIPMENT SET-UP 1. CURB or COUNTER MOUNTING a. Setup the appliance only on a firm, level, non-combustable 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. 2. INSTALLING OPTIONAL CASTERS a.
D. ELECTRICAL INSTALLATION DANGER ELECTRICAL SHOCK HAZARD ELECTRICAL CONNECTIONS MUST BE MADE BY A LICENSED ELECTRICIAN Electrical shock will cause death or serious injury. 1. Refer to the nameplate on the front of the appliance. Verify the ELECTRICAL SERVICE POWER. Voltage and phase must match the nameplate specifications, and available electrical service amperage must meet or exceed the specifications listed on page 1. Wiring must be no less than 4 AWG solid copper wire, rated for at least 90ºC.
OPERATION A. SET TEMPERATURE 1. Make sure the power cord is plugged into the appropriate power supply receptacle. 2. Place the ON/OFF/FAN switch in the ON position. NOTE: No display will be present until the TEMP button is pressed. 3. Press the the TEMP button momentarily to display the current oven temperature. The display will hold for 5 seconds. 4. Press the TEMP button and hold for 3 seconds. The current set temperature will display and flash. The controller is now in the programming mode. 5.
C. DAILY SET-UP PROCEDURES 1. Make sure the power cord is plugged into the appropriate power supply receptacle. 2. Recommended shelf positions for quality baked products: NO. OF PANS OF PRODUCT 1 2 3 USE THESE RACK POSITIONS RACK POSITION UTILIZED 5 2&8 2, 5 & 8 3. Place the ON/OFF/FAN switch in the ON position. The green POWER ON light will glow. 4. Check oven set temperature. Press and hold the TEMP button for 5 seconds or until the screen flashes the current set temperature.
SUGGESTED COOKING TIMES PRODUCT TEMP ºF TIME MINUTES NUMBER OF RACKS BREAD PRODUCTS Hamburger Roll 300 15 5 Bread (1 lb loaves) 325 34 3 (12 loaves) Roll 300 16 5 (60 rolls) Baking Soda Biscuit 400 7 3 For best baking results, use rack positions 2, 5 & 8 ( where rack position 1 is the top rack) Baking one pan: use rack 5; baking 2 pans: use racks 2 & 8. PASTRIES Sheet Cake (2½ lbs. per pan) 300 17 5 Frozen Fruit Pie (46oz.) 350 50 5 (10 pies) Frozen Fruit Pie (26oz. - 8" dia.
PREVENTATIVE MAINTENANCE PM 903.1 CLEANING INSTRUCTIONS CONVECTION OVEN M4200 Allow oven to cool to 150ºF or less Daily Fiber Brush Plastic Scouring Pad, Plastic Scraper Mild Detergent, Conventional Oven Cleaner, Non-Abrasive Cleanser Clean Soft Cloth / Sponge Solution: 4 parts vinegar to 10 parts warm water CAUTION: BURN HAZARD Do not attempt to clean the oven until it has cooled to 150ºF or less It can burn you. Hand protection is required. 1. Turn POWER SWITCH to FAN.
PREVENTATIVE MAINTENANCE PM 903.1 CLEANING INSTRUCTIONS CONVECTION OVEN M4200 DO NOT REMOVE FROM MANUAL - PHOTOCOPY FOR DISTRIBUTION 9. 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. 10. Turn power switch to FAN . Verify that fan runs smoothly and does not contact fan baffle. Turn power switch to OFF. Reposition fan baffle if necessary. 11.
PREVENTATIVE MAINTENANCE PM 903.2 LATCH ADJUSTMENT CONVECTION OVEN M4200 PRECAUTIONS: None FREQUENCY: Monthly, at a Minimum; or, As Needed TOOLS: Phillips (+) Screwdriver, 4"x2" Strip of 20# Paper CHECK ALIGNMENT 1. The door latch must be adjusted such that the door will latch easily, yet remain closed and latched throughout the cook cycle. If the door is too tight when the oven is cold, it may pop open as the oven reaches temperature. 2.
PM 903.
PREVENTATIVE MAINTENANCE PM 903.3 HINGE ADJUSTMENT CONVECTION OVEN M4200 PRECAUTIONS: None FREQUENCY: Monthly, at a Minimum; or, As Needed TOOLS: Phillips (+) Screwdriver, 4"x2" Strip of 20# Paper 7/16" Nut Driver, 7/8" and 1-1/8" Wrenches CAUTION: Exposed Electrical Circuits Use care to avoid wiring for hotplate section during this procedure 1. The hinges provide the pivot for the door, allow for height adjustment and alignment so that the door closes properly on the gasket. 2.
PREVENTATIVE MAINTENANCE CARD PM 903.3 HINGE ADJUSTMENT CONVECTION OVEN M4200 DO NOT REMOVE FROM MANUAL - PHOTOCOPY FOR DISTRIBUTION 3. The door should be approximately centered between the upper and lower lips of the cabinet. Adjust the door for height: a. The hinge sleeve acts as a jam nut for the height adjuster. b. The top and bottom clearances should be approximately equal. If necessary, loosen the hinge sleeve and turn the height adjustment nut until the required clearances are achieved. c.
TROUBLESHOOTING SUGGESTIONS CAUTION: ELECTRICAL 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. A. NO POWER TO APPLIANCE 1. 2. B. Check electrical supply. Make sure service breaker is ON. Possible improper service wiring: Have a licensed electrician verify that all three legs of the 3∅ service and the neutral leg are properly connected (i.e.
EXPLODED VIEW 4pl. 21 g 103 M4200 Cabinet & Related Components 102 101 g C q 36 C 52 m n s ref. 29 53 q 39 68 k 38 q 50 k 68 56 q 90 ref. 54 32 j 60 g 80 39 q 22 55 m n s q 10 z 42 51 j 44 92 ref. cc 47 58 a 59 p 57 16 69 g 14 15 g 21 4 pl. r 24 p 1 40 p 19 g t 6 B 17 g 2 pl. q 20 4 pl. A g 35 30 g 35 2 pl.
M4200 Parts List Cabinet & Related Components item description 1 6 10 13 14 15 16 17 19 20 21 22 23 24 29 30 32 35 36 38 39 40 42 44 47 50 51 52 53 54 55 56 57 58 59 60 68 69 80 90 92 101 102 103 A B C ASSY, CAVITY PANEL, CONTROL BRACKET, MOTOR MOUNT BRACKET, CAVITY SUPPORT GROMMET, 7/8" O.D.
2 pc. 3pl. 61 h p q t M4200 Internal Components p 24 ref. 91 26 g t 19 71 z 25 91 ref. 70 u 12 64 63 11 u 70 9 62 u 18 72 z SEE DETAIL A 3 f p 28 SEE DETAIL B b c d e 31 4 u 10 z y 2 a 59 14 7 DETAIL A CAVITY SPACER 3 f p p aa 8 89 7.1 34 43 8 p aa MOTOR 10 ref. FRAME MOUNT INSULATION CAVITY 27 23 65 6 h p v cc ref. 1 42 ref. 67 7 ref. DETAIL B MOTORMOUNTING ref. 67.1 81 p motor bonding wire upper left stud only 20 66 ref.
M4200 Parts List Internal Components item description 1 ASSY, CAVITY 2 TERMINAL BLOCK, 3 POLE 3 SPACER, BLOWER MOTOR 4 LUG, SOLDERLESS 6 PANEL, CONTROL 7 MOTOR, 1/4 HP 7.1 START CAPACITOR (ONLY) 8 SPACER, MOTOR MOUNT 9 BLOWER WHEEL 10 BRACKET, MOTOR MOUNT 11 TRANSFORMER, 240V - 16V 12 RELAY, MERCURY, 230V 3ø 14 GROMMET, 7/8" O.D.
WIRING DIAGRAM 22
PARTS and SERVICE 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: Wells Manufacturing Company 2 Erik Circle, P. O. Box 280 Verdi, NV 89439 phone: (775) 345-0444 ask for Service Department fax: (888) 492-2783 Service Parts Department can supply you with the name / telephone number of the WELLS AUTHORIZED SERVICE AGENCY nearest you.
PREPARED FOR ® BY WELLS MANUFACTURING COMPANY 2 ERIK CIRCLE, P. O. Box 280 Verdi, NV 89439 Customer Service (775) 345-0444 Ext. 502 fax: (775) 345-0569 www.wellsbloomfield.
