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Wells GK48 Owner's Manual

Ventless universal hood system for electric cooking appliances
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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.
2M-Z23068
Rev. -
WELLS MANUFACTURING
265 Hobson Street, Smithville, Tennessee 37166
telephone: 800-264-7827
www.wells-mfg.com
IL2372
OWNERS MANUAL
VENTLESS UNIVERSAL
HOOD SYSTEM
for
ELECTRIC
COOKING
APPLIANCES
MODEL
WVU48
GK48
Manual Includes
INSTALLATION
USE & CARE

EXPLODED VIEW

PARTS LIST

WIRING DIAGRAM

522
01/2020

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  • Page 1: Exploded View

    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.
  • Page 2 Wells’ been mishandled, abused, misapplied, subjected to chlorides, harsh chemicals, or caustic cleaners, damaged from exposure discretion have the parts replaced or repaired by Wells to hard water, modified by unauthorized personnel, damaged or a Wells-authorized service agency.

  • Page 3: Table Of Contents

    APPLICATION FOR VENTLESS APPROVALS 55-56 INTRODUCTION 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.

  • Page 4: Features & Operating Controls

    FEATURES & OPERATING CONTROLS VENTILATOR CONTROL PANEL see page 15 IL2391a Ventilator Section Operating Features & Controls...
  • Page 5 FEATURES & OPERATING CONTROLS continued FEATURES & OPERATION CONTROLS ITEM DESCRIPTION COMMENT VENTILATOR EXHAUST DUCT, Exit point for ventilator airflow - on top of unit. DO NOT BLOCK VENTILATOR EXHAUST DUCT, Exit point for ventilator airflow - on front of unit. DO NOT BLOCK FRONT VENTILATOR FAN Provides air movement for ventilation HI-EFFICIENCY/CHARCOAL Removes grease and smoke particles. Also assists in cooking FILTER PACK odor removal.

  • Page 6: Precautions & General Information

    This appliance is made in the USA. Unless otherwise noted, this of business due to a filter appliance has American (SAE) sizes on all hardware. related shutdown. Spare filters can be purchased from any authorized Wells servicer or calling Wells.

  • Page 7: Agency Listing Information

    AGENCY LISTING INFORMATION SANITATION This appliance conforms to NSF Standard 2 for sanitation only if installed in accordance with the supplied Installation Instructions and operated and maintained in accordance with the instructions in this manual. UL CLASSIFIED for use in US and Canada NSF/ANSI 2 UL710B Recurculating System...

  • Page 8: Under-Hood Appliance Limitations

    INSTALLATION (continued) UNDER-HOOD APPLIANCE LIMITATIONS: WELLS MANUFACTURING 265 HOBSON ST. SMITHVILLE, TN 37166, USA...
  • Page 9 INSTALLATION (continued) UNDER-HOOD APPLIANCE LIMITATIONS: Special instructions: Any Oven or Combi with a vertical exhaust will need a diverter or diffuser to redirect awa from thermal detectors. WELLS MANUFACTURING 265 HOBSON ST. SMITHVILLE, TN 37166, USA...

  • Page 10: Service Technician Installation Notes

    INSTALLATION (continued) SERVICE TECHNICIAN INSTALLATION NOTES This ventilator hood is to be used with light-duty and medium-duty electrically powered cooking appliances only. DANGER: DO NOT attempt to use this ventilator hood with gas-fired units. • SUFFOCATION HAZARD DO NOT use this ventilator hood with electrical appliances whose Do not attempt to use this •...
  • Page 11 SUMMARY SUMMARY Installing the Wells Universal Ventless Hood systems to base mounted side walls, and installing ceiling mounted side walls. Ceiling mounting instructions for Wells Universal Ventless Hoods. Plan the installation area for the hood. The following diagram includes the required clearances for the hood installation, this is regardless of the type of hood mount, stand or ceiling mount, and equipment underneath that is to be used under the hood.
  • Page 12 1.1 INSTALLING AND ASSEMBLING BASE MOUNTED HOOD A base mounted hood will need to have the base assembled in place prior to raising the hood and installing it on to the base. 1. Uncrate the hood and all components. 2. Assemble the base in the location that the hood will be located. 3.
  • Page 13 Place the base bottom stiffener on the bottom and secure with one bolt, flat washer, and hex nut at each hole location (8 places). Attach the corner stiffeners on each end and secure with one bolt, flat washer, and hex nut at each hole location (4 places). ASSEMBLY FROM PREVIOUS STEP(S).
  • Page 14 Attach the legs to the bottom of the base assembly. Use a level, adjust the legs until the walls are level both front to back, and side to side. Check level again after installing the hood. ASSEMBLY FROM PREVIOUS STEP(S). LEGS (4 PL.) The hood is now ready to be placed on the top of the base.
  • Page 15 CAUTION • The next step places the hood on to the base assembly. The hood needs to be supported by a supporting device that is acceptable to raise the hood into position. 9. Install the hood directly downward on to the base assembly, ensure the silicon makes an airtight seal.
  • Page 16 1.2 ASSEMBLING THE CEILING MOUNTED HOOD FOR INSTALLATION TO THE CEILING. The skirt for the hood will be assembled first and then attached to the hood. Then, the entire assembly will be mounted to the ceiling. When the installation is a ceiling mount, the ceiling structure must be able to support the weight of the hood.
  • Page 17 Use a flat, smooth, and clean floor surface, with all debris or obsturctions removed to avoid damage. Align the two rear panels and secure to each other with one bolt, flat washer, and nut at each hole location (8 places). Place the base bottom stiffener on the bottom and secure with one bolt, flat washer, and hex nut at each hole location (8 places).
  • Page 18 The ceiling mount skirt does not have legs. The base has rear flanges that will not allow it to sit level. Use wood to assist in keeping the flanges/skirts raised, and keep the assembly level for the remainder of the installation. The ceiling mount hood is now ready to be placed on the top of the skirt.

  • Page 19: Base Assembly

    The next step places the hood on to the base assembly. The hood needs to be supported by a supporting device that is acceptable to raise the hood into position. Install the hood on to the base assembly. The unit is now complete and ready for ceiling installation, electrical installation, fire extinguishing system assembly, equipment installation, and final assembly.
  • Page 20 1.3 CEILING MOUNT DETAIL Plan out the mounting of the ceiling mount hood. All roof structure requirements and modifications must be able to hold the ceiling hood weight and the mounting structure. This is the responsibility of the contractor and structural engineer to insure these requirements. The mounting is made with 1/2”...
  • Page 21 1.3 CEILING MOUNT DETAIL Plan out the mounting of the ceiling mount hood. All roof structure requirements and modifications must be able to hold the ceiling hood weight and the mounting structure. This is the responsibility of the contractor and structural engineer to insure these requirements. The mounting is made with 1/2”...
  • Page 22 1.4 FIRE EXTINGUISHING SYSTEM INSTALLATION. At this time, the fire extinguishing system shall be installed and tested by an ANSUL® authorized distributor. The GK models require procurement and installation of the following components: Wells Part ANSUL® Description Qty Rqd. Number Part Number 48”...
  • Page 23 14 ft. 15821 79653 is 500 ft. ANSUL part number 15821 is 50 ft. 1.5 FIRE EXTINGUISHER NOZZLE INSTALLATION To be compliant with Wells Manufacturing 710B listing, the nozzles shall be installed per the following diagrams: Diagram 1. GK-48 Appliance Nozzles...
  • Page 24 Diagram 2. GK-48 Plenum Nozzle 1.6 MANUAL PULL STATION INSTALLATION The installation of the manual pull station is similar for all units. The components that are supplied are in a carton shipped with the unit. The WVU models contain the remote pull station assembly and the cable readied for installation.
  • Page 25 1.8 INSTALLATION OF THE BASE DEFLECTORS. The installation of the base deflectors is the same regardless if the hood being a base mount or ceiling mount. The installation of the deflectors may be completed at any time. Locate the required hardware and deflectors to install onto the units. Install the tinnerman nuts onto the deflectors.
  • Page 26 1.7 SIDE COVER INSTALLATIONS Install the covers on the side of the hood and base. The left side also has a cover for the electrical connection box.

  • Page 27: Under-Hood Specific Limitations

    1. Star-max 515, 524, and 536 models, Ultra-max 724 and 736 models, Toastmaster models TMGE24 and TMGE36, and Wells models G13, G19, and G23 are all acceptable for use under a Wells Ventless Hood. Figure 1. Electric griddle installation parameters (Star-Max 36” griddle...
  • Page 28 Star-max countertop models 514LL, 301HLF, 515F. 530FF and 530TF, and Wells countertop models F15, F30, F1725 and LLF14 are all acceptable for use under a Wells Ventless Hood. Wells floor models WFAE55F and WFEA55FC are all acceptable for use under a Wells Ventless Hood.
  • Page 29 Summary. Electric range tops up to 48” wide and up to 5.5 kW per linear foot of input power are acceptable to be used under Wells WVU and GK model hoods. These must be installed according to the requirements illustrated in figures 5.

  • Page 30: Electrical Installation

    INSTALLATION ELECTRICAL INSTALLATION Refer to the nameplate on the ventilator. Verify ELECTRICAL SERVICE POWER. Voltage and phase must match the nameplate DANGER: specifications, and available electrical service amperage must meet or SUFFOCATION HAZARD exceed the listed amperage. Refer to specifications listed on page 1 of this manual. Do not attempt to use this ventilator with gas-fired units. The ground lug of this ventilator must be connected to a suitable This ventilator will not remove building ground.
  • Page 31 INSTALLATION continued open when hood is OFF or in the event of a malfunction. SUPPLY POWER INSTALLATION DANGER: SHOCK HAZARD F I R E Turn power off to the unit A L A R before removing the side S Y S T electrical box cover.

  • Page 32: Ansul® Installation & Setup

    Wells Manufacturing Technical Service Dept. dispersion of fire suppression Phone: (800) 264-7827 Service Parts Department can supply you with the name media in any subsequent and telephone number of the WELLS authorized service agency nearest you. activation.
  • Page 33 INSTALLATION DANGER FIRE SUPPRESSION SYSTEM INSTALLATION (continued) BURN HAZARD The MANUAL PULL STATION and any similar REMOTE MANUAL PULL STATION will activate the fire suppression system when the Any additional remote pull ring on the pull station is pulled to its full extent. station must NOT be installed on the front of the cooking appliances, Discharge of the fire extinguishing system into hot...

  • Page 34: Filter Installation

    Use only genuine Wells replacement parts and filters, cause splattering. call (800) 264-7827 your authorized Wells service agent or our authorized parts supplier Partstown. Parts supplied by others will void your warranty and may not provide safe operation. BAFFLE FILTER and GREASE CUP INSTALLATION 1. Install baffle filter from front. Engage the baffle filter in the retainer...

  • Page 35: Operation

    Filter packs cannot be If the SERVICE REQUIRED light illuminates, the filter pack is restricted cleaned. to the point of insufficient airflow for proper operation and the Ventilator Wells Manufacturing assumes will shut down until the underlying clogged filter situation has been no liability for loss of business corrected. Replace clogged item with a fresh filter to correct the due to filter related shutdown. condition. Reset the unit by turning VENTILATOR POWER SWITCH to OFF, then back to ON.

  • Page 36: Cleaning Instructions

    CLEANING INSTRUCTIONS PRECAUTIONS: Disconnect unit from electric power and allow CAUTION: appliances to cool HOT SURFACE Cover frypot to prevent oil contamination Exposed surfaces can be hot FREQUENCY: Daily to the touch and may cause burns. Allow unit to cool TOOLS: Mild detergent, clean non-abrasive towels, 3M Scotch before cleaning.
  • Page 37 CLEANING INSTRUCTIONS PRECAUTIONS: Disconnect unit from electric power and allow CAUTION: appliances to cool HOT SURFACE Cover cooking surfaces and frypots to prevent contamination. Exposed surfaces can be hot to the touch and may cause FREQUENCY: Monthly burns. Allow unit to cool before cleaning.

  • Page 38: Discharge Direction Change

    MAINTENANCE: DISCHARGE DIRECTION CHANGE Procedure for changing the discharge on a WVU-48 / GK-48 PARTS LIST Part No Description 2C-35487 SCREW 8-32 X 5/16 PH TR HD 2C-6517 1/4-20 FLANGED HEX SHAKEPROOF LOCK NUT 2V-307913 DAMPER FIRE 8X9 N1-WL0167 ACCESS DOOR ASSY. ELEC COMPARTMENT N1-WL0172 FRONT DUCTWORK ASSEMBLY N1-WL0244...

  • Page 39: Required Maintenance & Maintenance Logs

    REQUIRED MAINTENANCE IMPORTANT: USE AND MAINTENANCE SHALL BE IN ACCORDANCE WITH THE STANDARD FOR VENTILATION CONTROL AND FIRE PROTECTION Per NFPS 96, a signed and OF COMMERIAL COOKING OPERATIONS, N.F.P.A. 96 (current dated VENTILATOR HOOD edition). MAINTENANCE LOG must be maintained on the premises, and be made 3-MONTH MAINTENANCE: available for inspection by the...
  • Page 42 ANSUL MATERIAL SAFETY DATA SHEET A N S U L IN C O R P O R AT E D ® M A R IN E T T E , W I 5 4 14 3-2 54 2 ANSULEX Low pH Q U IC K ID E N TIFIE R (In P la n t C o m m o n N a m e ) E m erg e nc y M a n u fac tu re r’s...
  • Page 43 SECTION 5 - HEALTH HAZARDS ANSULEX Low pH (continued) Th res h o ld N o ne E s tab lish ed L im it Va lu e : R o u te s o f E n try: Irritan t E ye C o n tac t: S kin C o n ta c t: Irritan t...

  • Page 44: Troubleshooting Suggestions

    FILTERS are the only user serviceable components in this ventilator hood system. For all problems that cannot be remedied by servicing the filters, contact: Ventilator section - authorized Wells service agency Fire suppression system - authorized Ansul® distributor Ansul Deployments are not covered under warranty. Technical service needs to be contacted immediately and a deployment kit of parts needs to be replaced before unit is put back in service.

  • Page 45: Wiring Diagram

    WIRING DIAGRAM...

  • Page 46: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST Filter Maintenance Baffle Filter: 16” x 20” Pre-Filter Hood Part No: 2I-Z14670 Part No: 2I-Z16258 Filter Pack Pre-Filter Cage Part No: N1-WL0171 Part No: M3-WL0230 Model: WVU48 Filter Assy SK2553 Rev. D , 10/20/2015...
  • Page 47 EXPLODED VIEW Universal Hood Internal Control See Detail See Detail Nameplate Model: WVU48 Universal Hood Internal Control SK2554 Rev. A 2/13/2015...
  • Page 48 PARTS LIST Universal Hood Internal Control Internal Control Assy Fig No. Part No WVU48 Description 2V-307913 DAMPER FIRE 8X9 WVU N1-WL0244 TOP DISCHARGE SCOOP ASSY. N1-Z14139 BLOCK-OFF PLATE, TOP DISCHARGE 2E-300407 SWITCH MANUAL ADVANCE ROT 2K-Y8571 BUSHING SNAP 2 1/8 2K-Y1139 BUSHING HEYCO SB500-6 N1-Z14484...
  • Page 49 EXPLODED VIEW & PARTS LIST Universal Hood Internal Control (Detail A) 11 10 8 Detail Blower & Motor Assy DETAIL A, Blower & Motor Assy Part No WVU48 Description LOWER ASSEMBLY RUN CAPACITOR, 10MFD, 370V SCREW 8X12 RPH PAN SELF DRILLING ASSEMBLY...
  • Page 50 EXPLODED VIEW & PARTS LIST Universal Hood Internal Control (Detail b) DETAIL B, Internal Control Panel Assy Fig NoP art Number WVU48 escription 1-Z15362 BRACKET, PRESSURE SWITCH E-Z14673 PRESSURE SWITCH P-Z17415 TIMER,CUBE/ RELAY N1-Z14886 BRACKET,PRESSURE SWITCH 1-Z15531 BRACKET,HEPA PRESS.SWITCH E-Z15352 VACUUM SWITCH,HEPA FILTER 2E-Z15365 PRESSURE SWITCH...
  • Page 51 EXPLODED VIEW Universal Hood Electrical Components SK2557 Rev. - 1/16/2012 Electrical Components...
  • Page 52 CONTROL PANEL, FRONT ASSY N1-WL0278 CONTROL PANEL, FRONT ASSY 2M-Z14069 GRAPHIC PANEL, NO SWITCH 2M-Z14510 GRAPHIC PANEL W/ SWITCH 2M-306719 LOGO WELLS DIECAST SHIELD 2E-305295 SWITCH ROCKER 250V 10A GR N1-Z15435 ELEC. AUTOMAN BKT. MODIFY 2E-Z15018 TRANSFORMER, 208/240 12V 2E-44514...
  • Page 53 EXPLODED VIEW & PARTS LIST Universal Hood Suppression System Suppression System Suppression System Fig. No Part No WVU48 Description 2K-47269 ADAPTER 3/8IN QUICK CON A 2O-47267 NOZZLE ANSUL 1N 2O-307481 ADAPTER SWIVEL ANSUL 2O-Z14574 NOZZLE, #245 2C-Z15115 HEX HEAD PIPE PLUG 3/8NPT 2O-302931 NOZZLE 1 W 2O-304433...
  • Page 54 EXPLODED VIEW & PARTS LIST Universal Hood Detection System Adapter 1/2” Quick Seal Part No: 2T-Z15320 Thermal Detector-225°F Part No: 2T-Z15320 Thermal Detector-275°F Part No: 2T-Z16137 Ansul Deployments are not covered under warranty. Technical service (800)-264-7827 needs to be contacted immediately and a deployment kit of parts needs to be replaced before unit is put back in service.

  • Page 55: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST Universal Hood Base Assy Model: WVU48 Base Assy SK2561 Rev. A 11/18/2013 Base Assembly Fig No. Part No WVU48 Description N1-Z15193 BASE DEFLECTOR 2C-35487 SCREW 8-32X5/16 PH TR HD 2C-1825 WASHER #8 EXT STL NP N1-WL0176 BASE,SUPPORT ASSY LFT N1-Z14147...

  • Page 56: Parts & Service

    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 265 Hobson St. Smithville, TN 37166 USA Service Dept. phone: (800) 264-7827...

  • Page 57: Application For Ventless Approvals

    • Spec Sheets (equipment under the hoods) for non-Middleby brands • Manuals (equipment under the hood)) for non-Middleby brands NYC and Chicago • Please contact a Wells representative to inquire about additional documentation Customer Information Business Name Address City State...
  • Page 58 Initial Signature Disclaimer ➢ I understand that the Wells Ventless system is designed based on the information supplied above, changes made can affect its performance and may affect the Ventless system warranty. ➢ I understand that incomplete or missing information on the equipment to be used under the Ventless system will affect the equipment approval process and will delay this order.
  • Page 60 WELLS MANUFACTURING 265 Hobson Street, Smithville, Tennessee 37166...

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