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RISK OF INJURY

Installation procedures must be performed by a qualified technician with full knowledge of all 

applicable electrical codes.  Failure can result in personal injury and property damage.

WARNING:

SLIP AND FALL HAZARD

DO NOT operate any grease-producing cooking procedures unless the grease cup is properly 

installed.  Oil will drip onto floor creating a slipping hazard.

WARNING:

DO NOT

 attempt to wash the HEPA / CHARCOAL filter pack or pre-filter.  Water absorption will 

render the filter unusable.  Use of a wet or clogged filter will cause the ventilator system to shut 

down.  Use only new, clean Wells® Authorized Service Parts.  Keep spare filter packs on hand to 

avoid disruptions.  

Service Department 1-800-264-7827.

Exposed surfaces can be hot to the touch and may cause burns.  Allow unit to cool before cleaning 

or servicing.

iv

UNPACKING & INSPECTION

Carefully remove the downdraft 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 any other documents packed with the appliance 

before starting any installation. All documentation should remain with the equipment operator for 

future reference.  Write the model and serial number on page ii of this manual. 

Read and understand all labels and diagrams attached to the downdraft. 

Carefully account for all components and accessories before discarding packing materials.

 COMPONENTS

 Pre-Filter 

  1 

ea.

 Baffle 

Filter 

  1 

ea.

 Filter 

pack 

  1 

ea.

 

Grease cup    

 

1 ea.

 

Induction drop-in unit 

4 ea.

 Sneeze 

Guard 

  1 

ea.

 LED 

light 

  1 

ea.

 

Back kick plate 

 

1 ea.

 

Front kick plate 

 

1 ea.

 

Side kick plate 

 

2 ea.

SITE PREPARATION

1.  Provide clearance around installation site to safely place equipment into its final position.  

Consider general service and installation space when locating unit.

2.  Thoroughly review the plans and specification of the project.

3.  Determine the exact location in which the cooking downdraft will be installed and verify that 

there are no interferences, which will prevent proper installation.  

4.  This unit is designed to sit on a permanent level floor, at no time should this unit be in operation 

on a movable cart.  Ensure the site is capable of supporting both the downdraft’s weight as well 

as any cooking equipment.  

5.  Determine if adequate room is available to install the downdraft with proper clearance from 

combustible material.  IMC, NFPA96 and local authorities having jurisdiction call for a minimum 

clearance (typically 18 inches) between the cooking hood(s) and building materials, which are 

combustible.  However, IMC and NFPA96 outline acceptable clearance reduction methods.  It is 

important to check with the local authority having jurisdiction to determine that the installation 

method is satisfactory to meet their requirements prior to installing the equipment.

Summary of Contents for WDDI-31

Page 1: ...Street Smithville Tennessee 37166 Telephone 800 264 7827 Fax 314 781 5445 www wells mfg com WDDI 35 VENTLESS DOWNDRAFT INDUCTION RANGE TOP MODEL WDDI 31 WDDI 35 Installation and Operation Instructions...

Page 2: ...nge Top 2 TABLE OF CONTENTS GENERAL WARRANTY SAFETY INFORMATION INSTALLATION INFORMATION DAILY OPERATION CLEANING TROUBLESHOOTING FEATURES INSTALLATION CONTROL PANEL EXPLODED VIEW PARTS WIRING DIAGRAM...

Page 3: ...type Normal Business Hours 8 00 a m to 4 30 p m Central Telephone 800 264 7827 Tech Service Option 2 Email TechService partstown com www Wells Mfg com WARRANTY EXCLUSIONS THE FOLLOWING WILL NOT BE COV...

Page 4: ...ase have the information in the above fields ready when you call to ensure a faster service Using any part other than genuine Wells factory supplied parts relieves the manufacturer of all liability Du...

Page 5: ...uld keep a minimum of 2 4 inches 51 102 mm of space between them and the cooking zone whenever possible It is recommended that you keep this distance at minimum whenever the unit is powered on Failure...

Page 6: ...mber on page ii of this manual Read and understand all labels and diagrams attached to the downdraft Carefully account for all components and accessories before discarding packing materials COMPONENTS...

Page 7: ...e federal state province and or local electrical codes having jurisdiction by a licensed electrician All electrical connections must be made with COPPER WIRE ONLY in the correct wire gauge for the app...

Page 8: ...o wipe away and spilled food and debris If there is any hardened residue use a scraper or cleaning pad made specifically for glass ceramic surfaces and an appropriate glass ceramic cooktop cleaning so...

Page 9: ...ocedure 1 TURN POWER SWITCH TO OFF 2 Remove BAFFLE FILTERS and GREASE CUP 3 Empty GREASE CUP into an appropriate grease collection receptacle 4 Clean BAFFLE FILTERS and GREASE CUP in a sink or dishwas...

Page 10: ...ime to turn off the power stopping the cooker immediately COOKTEK CONTROLLER If the unit does not initially power on make certain the unit is plugged in properly and that the power supply is the corre...

Page 11: ...aning instructions and schedules to ensure the safety of the food product This appliance is not jet steam approved Do not direct water jet or steam jet at this appliance or at any control panel or wir...

Page 12: ...th top supports ITEM 10 using screws ITEM 8 6 Run cord ITEM 9 thru plastic bushing ITEM 13 and down thru the plastic bushing on the left side of chassis top 7 Install both supports ITEM 12 ITEM 13 usi...

Page 13: ...ad and understand Site Preparation before continuing with the installation of the hood 4 Determine the exact location of the downdraft unit 5 Place the unit into position 6 Complete the assembly of th...

Page 14: ...cal power to the terminal block per the wiring diagram NOTE It is the responsibility of the electrical contractor to provide suitable wiring flexible or rigid conduit and an appropriate strain relief...

Page 15: ...he GREASE CUP will allow grease and moisture from the BAFFLE FILTER to drop onto floor surfaces creating both a SAFETY HAZARD and a SLIP HAZARD The BAFFLE FILTERS PRE FILTERS and FILTER PACK actuate p...

Page 16: ...PACK LIGHT turns ON to allow continued operation through a peak period However filter pack must be replaced within a short time period or it will clog disabling the ventilator and appliances If the SE...

Page 17: ...E 37465 TERM BLOCK 3POLE 85AMP 1 ALL 7 2E Z14960 BODY CONTACTOR 1 ALL 8 2E Z24169 POWER SUPPLY 24 VDC 1 ALL 9 2E Z24102 END CLAMP DIST BLOCK 4 ALL 10 2J Z24013 CONTROL RED LION CUB5TCBO 4 ALL 11 2N Z2...

Page 18: ...BLK 17 RED 16 BLK 2 RED 1 BLK 3 BLK 4 RED GND GRN GND GRN GRN 45 WHT REPLACE FILTER REPLACE PRE FILTER CHECK FILTER SERVICE REQ LED LIGHT TRANSFORMER OPTIONAL LIGHT OPTIONAL RED LION CONTROL SENSOR Y...

Page 19: ...PA FILTER SWITCH CHANGE FILTER LIGHT OPERATES NEGATIVE 0 37 WC ACTIVATES 1 55 WC SHUT DOWN PRESSURE SWITCH SERVICE REQUIRED LIGHT OPERATES NEGATIVE 2 50 WC ACTIVATES NEGATIVE 1 55 WC NOTES UNLESS NOTE...

Page 20: ...STAR MANUFACTURING INTERNATIONAL INC Star Holman Lang Wells Toastmaster 265 Hobson Street Smithville TN 37166 U S A Telephone 800 264 7827 Fax 314 781 5445 www wells mfg com...

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