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Wells WV-4HF, Supplemental Service Instructions

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Wells WV-4HF Supplemental Service Instructions Download Page 28

WIRING 

WIRING SCHEMATIC 

26 

SV504 SvcM

anual W

V

-4H(R

W
) 

HOOD SECTION 

L1

L2 L3

G

PS1-1

PS1-2

VS4

ATS1

FS1(NC)

FS1(NO)

TB1

JUMPER

CAC-1

CAC-2

CAC-3

COIL

COIL

COIL

SW1

VS1

VS3

VS2

SW2

COOKING APPLIANCE CONTACTOR

FIRE ALARM RELAY

BLOWER MOTOR

DRAWER WARMER RELAY

ANSUL® SYSTEM BUZZER

TO BLDG
FIRE ALARM
SYSTEM

ZZZ

CHECK FILTER

INDICATOR

POWER ON INDICATOR

REPLACE PREFILTER INDICATOR

REPLACE FILTER PACK INDICATOR

SERVICE REQUIRED

INDICATOR

NC

NC

LEGEND

ATS1 = AMBIENT TEMPERATURE SWITCH
CAC = COOKING APPLIANCE CONTACTOR
FS1 = ANSUL® FIRE ALARM SWITCH
PS1 = POWER SWITCH
SW1 = FILTER PACK POSITION SWITCH
SW2 = GREASE BAFFLE POSITION SWITCH
VS1 = PRE-FILTER POSITION VAC SWITCH
VS2 = REPLACE FILTER PACK VAC SWITCH
VS3 = REPLACE PRE-FILTER VAC SWITCH
VS4 = AIRFLOW MONITOR VAC SWITCH

WV-4H(RW) HOOD SECTION

WIRING SCHEMATIC

TO HOTPLATE COOKTOP

TO DRAWER WARMER

Summary of Contents for WV-4HF

Page 1: ...HIS MANUAL IS DESIGNED FOR USE BY QUALIFIED PROFESSIONAL TECHNICIANS ONLY PRINTED IN UNITED STATES OF AMERICA WELLS BLOOMFIELD LLC 2 ERIK CIRCLE P O Box 280 Verdi NV 89439 telephone 775 689 5707 fax 775 689 5976 www wellsbloomfield com p n SV504 Rev S504 080519 cps 504 SUPPLEMENTAL SERVICE INSTRUCTIONS WV 4HF WV 4HFRW WV 4HS WV 4HSRW ELECTRIC 4 BURNER HOTPLATE with VENTLESS HOOD SYSTEM ...

Page 2: ...echnician All service to the fire suppression system must be performed by an authorized Ansul agency This appliance is made in the USA Unless otherwise noted this appliance has American sizes on all hardware IMPORTANT INSTALLATION NOTE 6 clearance is required from back and sides of the appliance to any combustible or non combustible surface This installation requires a minimum ceiling height of 96...

Page 3: ...intenance Logs 34 This manual contains information needed to properly service and repair Wells Bloomfield free standing four burner electric hotplate with ventless hood system This manual applies to the following Wells Manufacturing models WV 4HF WV 4HFRW and WV 4HFRWT WV 4HS WV 4HSRW and WV 4HSRWT For installation operation and maintenance instructions refer to Operation Manual p n 303903 TABLE O...

Page 4: ...r Section Operating Features Controls 2 SV504 SvcManual WV 4H RW 56 28 19 16 18 23 9 8 a15 a11 53 12 41 44 42 43 40 a6 a31 38 18 16 22 23 VENTILATOR CONTROL PANEL see pages 4 5 COOKTOP CONTROL PANEL see pages 4 5 WARMER CONTROLS see pages 4 5 a10 70 38 ...

Page 5: ...ntrols also access to main power contactor 41 Fire suppression media discharges here 2 places Extracts and drains most grease and moisture from the air flow Comprises the PRE FILTER FRAME and a replaceable PRE FILTER Stops larger particles of grease from reaching the FILTER PACK for reduced maintenance costs Stops most grease and smoke particles Also assists in some cooking odor removal Collects g...

Page 6: ...armer Drawer Operating Features Controls Fig 3 Cooktop Section Controls Indicator Lights V1 V2 V3 V4 V5 V6 H1 H2 H3 H4 H5 H5 H5 H5 ROLL WARMER HUMITROL RACK DRAWER INSERT PAN HOTPLATE COOKTOP SPIRAL HEATING ELEMENT DRIP PAN HEATING ELEMENT ROTATED ELEMENT SUPPORT FRONT SOLID PLATE HEATING ELEMENT FRONT W1 W3 W4 W2 W5 W6 RWT STYLE RW STYLE ...

Page 7: ...lows when FILTER PACK is approaching the end of its service life and must soon be replaced RED Glows when PREFILTER and or FILTER PACK has reached the end of its service life and is too loaded to allow sufficient air flow Filter MUST be replaced Appliance is SHUT DOWN until expended filters are replaced Infinite switch control of temperature of one hotplate section Infinite switch control of tempe...

Page 8: ...PACK POSITION SWITCH GREASE BAFFLE POSITION SWITCH FILTER PACK SEAL PRE FILTER NOTE AIR FLOW ARROW POINTS AWAY FROM INSTALLER WHEN PROPERLY INSTALLED FILTER FRAME NOTE PRE FILTER IS SENSED AS BEING IN POSITION BY THE PRESSURE DROP ACROSS IT FILTER HOOK FILTER HANDLE FILTER PACK HOLDER CLIP CLIPS ONTO LEDGE WALL OF UNIT P R E FILTE R FAN SV504 SvcManual WV 4H RW ...

Page 9: ...icates that the pre filter is approaching the end of its service life ALWAYS HAVE A SPARE PRE FILTER ON HAND FOR QUICK REPLACEMENT Controlled by vacuum switch S1 INDICATOR LIGHT AMBER REPLACE FILTER PACK When lit indicates that the filter pack is approaching the end of its service life REPLACE FILTER PACK PROMPTLY Controlled by vacuum switch S2 INDICATOR LIGHT RED SERVICE REQUIRED Indicates that e...

Page 10: ... at hand and have someone available who is capable of replacing it Otherwise you may experience an extended down time with consequent associated loss of business The manufacturer assumes no liability for loss of business due to a system shutdown caused by a dirty pre filter and or filter pack i e red SERVICE REQUIRED light is on when the user fails to have the proper replacement pre filter and or ...

Page 11: ...e manufacturer recommends that the entire FIRE DAMPER ASSEMBLY be replaced 4 Reinstall the FIRE DAMPER with the THIS SIDE UP FOR HORIZONTAL MOUNTING arrow pointing away from the BLOWER IMPORTANT Replace the entire fire damper assembly if the link trips or if the damper mechanism becomes heavily contaminated with dust and or grease While the fusible link alone may be replaced once the damper has tr...

Page 12: ...the ventilator fan 2 The PRE FILTER is composed of a replaceable media filter and a filter retaining gage The pre filter captures the bulk of grease vapors Pre filter position is monitored by a vacuum switch which is in the control circuit of the cooking appliance contactor 3 The FILTER PACK is composed of a high efficiency filter to capture grease vapors down to a very small particle size and an ...

Page 13: ...pre filter exceeds setting VS4 AIR FLOW MONITOR Pressure drop must exceed setting before cooking appliance is energized As filters become plugged airflow decreases Beyond the useful life of the filters air flow will be insufficient to maintain the required pressure drop which will shut down ventilator fan and cooking appliance and illuminate SERVICE REQUIRED indicator IMPORTANT Vacuum switch setti...

Page 14: ...t the entry to the ventilator fan 2 Fire suppression system may be activated by the manual pull station on the front of the unit or by a remote manual pull station if installed 3 A microswitch in the Ansul Automan assembly allows connection to a building fire alarm system SV504 SvcManual WV 4H RW A NS UL P U LL H A N DL E IN C A SE OF F IRE CABLE SITS IN GROOVE IN PULLEY MANUAL PULL STATION PULLEY...

Page 15: ...ype 290 nozzles 3 The plenum area between the filters and the fan is protected by a single type 1W nozzle 4 The pressure integrity of the plenum bulkheads is maintained by the use of compression fittings at the piping penetrations 5 Nozzles are protected from grease contamination by press on silicone rubber caps SV504 SvcManual WV 4H RW HOOD ASSEMBLY VIEWED FROM REAR PLENUM NOZZLE ASSY APPLY SEALA...

Page 16: ...ERVICE REQUIRED light ON Vacuum line to switch VS4 restricted Check for restriction in vacuum line to switch Vacuum switch VS4 open or defective Check vacuum switch VS4 Replace as req d Vacuum pickup port in plenum or vacuum port on blower plugged Clean vacuum ports NOTE Vacuum port in plenum may appear as a place to attach a nozzle Do not attach a nozzle here It will block the vacuum signal see p...

Page 17: ...itch damaged Check switch VS2 repair vacuum lines or replace switch Vent fan not operating and buzzer is sounding Appliance newly installed and Ansul system not yet charged Check status of Ansul system at rear of unit if fired call Ansul Service Distributor for set up Ansul system has been set off by overtemp condition or manual pull station has been activated Check status of Ansul system at rear ...

Page 18: ...ount new element 4 Route wiring through trim ring as shown Connect power and ground leads a Be sure to reconnect ground wire to mounting clip of new element b Slide insulator onto new element before connecting leads c When properly installed connector screws will hold insulator in place 5 Reconnect appliance to electric power and test for proper operation SV504 SvcManual WV 4H RW DESCRIPTION POSSI...

Page 19: ...3972 does not include the element 2 If the element or element wires are damaged or if the connector is fused to the power leads replace with complete element kit 503973 240V ELEMENT NEW TERMINAL LUG AND CERAMIC INSULATOR PN 503973 240V CAUTION BURN HAZARD Hotplate burner surfaces are very hot during operation Allow unit to cool before performing any service New wires with lugs spliced to existing ...

Page 20: ...l replace thermometer equipped units in new production Thermometer equipped units are to become obsolete CAUTION BURN HAZARD Interior of drawer warmer cavity will be hot during operation Allow unit to cool before performing any service NOTE In the absence of a drawer warmer appliance the WVG 136 is equipped with a storage cabinet in the base This single cabinet has two doors OPTIONAL HUMITROL RACK...

Page 21: ...rrow and DOWN arrow keys for 10 seconds Release keys when display reads F C Within 3 seconds press UP arrow or DOWN arrow key until desired indicator ºF or ºC glows The new value will lock into memory 3 seconds after last keystroke PROCESS ºF ºC LOAD ºF ºC LOAD HOLD 10 SEC PROCESS ITEM DESCRIPTION 1 PROCESS Key Press to view actual temperature of cavity 2 4 Character LED Display Normally shows SET...

Page 22: ...ther mobulb capillary tube RW style units Inspect cap tube for kinks or breaks Replace thermostat RWT style units Unlikely to fail hot due to controller or sensor malfunction Inspect for shorted wiring Food dries out Humidity control air vent not set OPEN air vent for dry operation CLOSE air vent for moist operation Water in pan evaporated or low Add water to pan Food gets soggy Food contacting wa...

Page 23: ...ICE PERSONNEL Refer to Ansul part no 418078 05 R 102 Restaurant Fire Suppression System Design Installation Recharge and Maintenance ref TANK 1 5 GAL ANSULEX ANSUL p n 429864 NOT SHOWN ANSULEX EXTINGUISHING AGENT 1 5 GAL ANSUL p n 79694 CARTRIDGE LT 20 R ANSUL p n 67099 ANSUL p n 77284 DETAIL inside outside cabinet wall Seal with Teflon tape Seal with Teflon tape Fiber washer is always on the insi...

Page 24: ...OL PANEL 502782 GASKET SILICONE 15 1 4 502772 2 pl GASKET SILICONE 18 1 2 502773 2 pl ASSY FILTER PACK 22619 PREFILTER 22618 CAGE PRE FILTER 22683 BAFFLE GREASE FILTER TYPE 3 22684 ASSY DOOR LEFT 502642 MAGNET DOOR CATCH 66502 2 pl ASSY DOOR RIGHT 502646 CASTER REAR VCS 20804 pk 2 fixed 2 swivel HOUSING LIGHT SOCKET 505098 BULB APPLIANCE 100W 505100 GLASS GLOBE LIGHT BULB COVER 505099 GREASE CUP 5...

Page 25: ...CH 2 502591 ASSY VAC TUBE MANIFOLD 502588 SWITCH POWER 8528 40 LIGHT INDICATOR GREEN 240V 55697 LIGHT INDICATOR AMBER 240V 50516 3 pl LIGHT INDICATOR RED 240V 51157 BUZZER 240V 64834 SWITCH FILTER INTERLOCK 500407 2 pl HOUSING LIGHT SOCKET 505098 BULB APPLIANCE 230V 100W 505100 GLASS GLOBE LIGHT BULB COVER 505099 TERMINAL BLOCK 2P 250V 53068 JUMPER FLAME SENSOR 54005 RELAY 208 240V RW RWT ONLY 638...

Page 26: ...RE ANSUL LIGHT SIGNAL AMBER 50516 KNOB HOTPLATE REAR 50584 KNOB HOTPLATE FRONT 50583 ASSEMBLY REMOTE PULL STATION 501389 INFINITE SWITCH 240V A CAM 50562 FAN COOLING FT 503655 NUT 8 32 KEPS Ni 51053 pk 100 BRACKET HOLD DOWN SOLID ELEMENT 501451 HEATING ELEMENT SOLID 240V 2000W 503973 HF 50293 COMPLETE ASSEMBLY SCREW 8 32 x 3 8 pk 100 53977 HS ...

Page 27: ...21488 69251 51796 52112 67096 heavy duty drawer assy complete 50471 includes strike and catch 55677 55683 50482 240V 50519 120V 50483 pk 6 18 302 typ 64475 OPTIONAL THERMOMETER OFF 0 L O H I WELLS 2 3 4 5 6 7 8 50372 51801 UPPER 53565 LOWER 65923 set includes left and right 65351 CAVITY ASSEMBLY 63271 pk 10 58936 55687 51808 RWT ELECTRONIC CONTROL OPTION PART NO PENDING ...

Page 28: ...ER INDICATOR POWER ON INDICATOR REPLACE PREFILTER INDICATOR REPLACE FILTER PACK INDICATOR SERVICE REQUIRED INDICATOR NC NC LEGEND ATS1 AMBIENT TEMPERATURE SWITCH CAC COOKING APPLIANCE CONTACTOR FS1 ANSUL FIRE ALARM SWITCH PS1 POWER SWITCH SW1 FILTER PACK POSITION SWITCH SW2 GREASE BAFFLE POSITION SWITCH VS1 PRE FILTER POSITION VAC SWITCH VS2 REPLACE FILTER PACK VAC SWITCH VS3 REPLACE PRE FILTER VA...

Page 29: ...D INDICATOR HOOD LIGHT BLACK BLACK RED WHITE GREASE BAFFLE POSITION SW FILTER PACK POSITION SW AMBIENT TEMP SW 1 2 19 18 17 5 9 DRAWER WARMER RELAY 1 1 2 2 3 3 4 4 5 5 6 DISCHARGE BUZZER BUILDING ALARM RELAY ANSUL SYSTEM 1 REMOVE JUMPER WHEN USING EXTERNAL CONTROL DO NOT CONNECT ANY POWER TO EXTERNAL CONTROL TERMINAL BLOCK IMPORTANT 2 FIRE SWITCH SHOWN WITH ANSUL SYSTEM CHARGED AND COCKED NOTES JU...

Page 30: ...F SW 4 2 HEATING ELEMENT LEFT FRONT HEATING ELEMENT LEFT REAR HEATING ELEMENT RIGHT REAR HEATING ELEMENT RIGHT FRONT HEATING INDICATOR HEATING INDICATOR HEATING INDICATOR HEATING INDICATOR G INF SW 2 2 INF SW 3 1 COOLING FAN LEGEND ATS 1 AMBIENT TEMPERATURE SWITCH CAC COOKING APPLIANCE CONTACTOR VS 4 AIRFLOW MONITOR VAC SWITCH WV 4H RW WIRING SCHEMATIC HOTPLATE COOKTOP SECTION ATS 1 ...

Page 31: ...G ELEMENT LEFT FRONT TEMPERATURE CONTROL INF SWITCH LEFT REAR TEMPERATURE CONTROL INF SWITCH RIGHT REAR TEMPERATURE CONTROL INF SWITCH RIGHT FRONT TEMPERATURE CONTROL INF SWITCH RIGHT REAR HEATING ELEMENT RIGHT FRONT HEATING ELEMENT HEATING INDICATOR HEATING INDICATOR HEATING INDICATOR HEATING INDICATOR AMBIENT TEMP SW TO AIRFLOW VAC SW 4 COOLING FAN 1 2 3 4 28 3 29 4 5 5 1 1 1 1 2 2 2 2 7 6 6 10 ...

Page 32: ...PER DRAWER WARMER ELEMENT UPPER DRAWER WARMER ELEMENT LOWER DRAWER WARMER ELEMENT LOWER HEATING INDICATOR HEATING INDICATOR LEGEND T3 T4 DRAWER WARMER THERMOSTAT LEGEND E1 E2 DRAWER WARMER TEMPERATURE CONTROLLER N O CONTACTS WV 4HRW DRAWER WARMER SECTION WIRING SCHEMATIC WV 4HRWT DRAWER WARMER SECTION WIRING SCHEMATIC L1 L1 L3 L3 E E CONTROLLER CONTROLLER ...

Page 33: ...E NUT THERMOSTAT THERMOSTAT LOWER HEATING ELEMENT 240VAC 900WATTS 32 3 2 7 7 8 8 1 31 4 33 WIRING DIAGRAM RW 26 from p n 300959 issue A UPPER HEATING ELEMENT 240VAC 900WATTS UPPER HEATING ELEMENT 240VAC 900WATTS FROM DRAWER WARMER RELAY 32 31 33 WIRING DIAGRAM RWT 26 from p n 307532 issue 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 E E CONTROLLER CONTROLLER TEMP PROBE TEMP PROBE CONNECTOR CONNECTOR ...

Page 34: ...DOCUMENTATION MSDS ANSULEX Low pH FIRE SUPPRESSION MEDIA 32 SV504 SvcManual WV 4H RW ...

Page 35: ...DOCUMENTATION MSDS ANSULEX Low pH FIRE SUPPRESSION MEDIA 33 SV504 SvcManual WV 4H RW ...

Page 36: ...DOCUMENTATION 34 SV504 SvcManual WV 4H RW WELLS BLOOMFIELD LLC ...

Page 37: ...MENTATION 35 SV504 SvcManual WV 4H RW WELLS BLOOMFIELD LLC Replace two 2 fire suppression links located in plenum each link is rated 212ºF Replace fire damper fusible link rated 280ºF Max interval 12 months ...

Page 38: ... PROHIBITED TECHNICAL CONTENT OF THIS MANUAL IS DESIGNED FOR USE BY QUALIFIED PROFESSIONAL TECHNICIANS ONLY PRINTED IN UNITED STATES OF AMERICA Wells Bloomfield proudly supports CFESA Commercial Food Equipment Service Association WELLS BLOOMFIELD LLC 2 ERIK CIRCLE P O Box 280 Verdi NV 89439 telephone 775 689 5707 fax 775 689 5976 www wellsbloomfield com ...

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