504 WELLS BLOOMFIELD, LLC 2 ERIK CIRCLE, P. O. Box 280 Verdi, NV 89439 telephone: 775-689-5707 fax: 775-689-5976 www.wellsbloomfield.com SUPPLEMENTAL SERVICE INSTRUCTIONS WV-4HF WV-4HFRW WV-4HS WV-4HSRW ELECTRIC 4-BURNER HOTPLATE with VENTLESS HOOD SYSTEM IMPORTANT: WELLS BLOOMFIELD, LLC PROPRIETARY INFORMATION. DISSEMINATION OF THIS INFORMATION TO ANYONE OTHER THAN WELLS AUTHORIZED SERVICE AGENTS IS STRICTLY PROHIBITED.
PRECAUTIONS AND GENERAL INFORMATION GENERAL WARNING: RISK OF INJURY Installation procedures must be performed by a qualified technician with full knowledge of all applicable electrical and plumbing codes. Failure can result in personal injury and property damage. WARNING: ELECTRIC SHOCK HAZARD All servicing requiring access to non-insulated electrical components must be performed by a qualified technician. Some procedures involve exposed live circuits.
TABLE OF CONTENTS GENERAL GENERAL Precautions & General Information …………….………… xi Specifications ..……………………………...................….. 1 Features & Operating Controls ……………………………. 2 VENTILATOR HOOD SECTION Filter Arrangement .......................................................... 6 Service Indicator Lights .…….......................................… 7 Operational Notes ........................................................... 8 Filter System ..............................................................
FEATURES & OPERATING CONTROLS GENERAL 28 a11 VENTILATOR CONTROL PANEL see pages 4 & 5 a15 56 53 19 16 18 16 18 23 23 COOKTOP CONTROL PANEL see pages 4 & 5 70 22 a10 40 12 41 44 a6 a31 43 38 9 8 Fig.
VENTILATOR SECTION DESCRIPTION COMMENT a6. FIRE SUPPRESSION AGENT TANK (1.5 gal.) Container for Ansulex™ Low-pH liquid fire suppression liquid. 8. ADJUSTABLE (FRONT) LEG Allows the unit to be leveled. 9. RIGID (REAR) CASTER Allows the unit to be easily positioned by lifting the front of the unit slightly. a10. MANUAL PULL STATION Provides a means of manual activation of the fire suppression system. PULL ONLY IN CASE OF FIRE! a11.
FEATURES & OPERATING CONTROLS (continued) GENERAL V1 V2 V3 V4 V5 V6 Fig. 2 Ventilator Section Controls & Indicator Lights H5 H5 H5 H5 H1 H2 H3 H4 Fig. 3 Cooktop Section Controls & Indicator Lights HUMITROL RACK ELEMENT SUPPORT SPIRAL HEATING ELEMENT DRAWER INSERT PAN RW-STYLE HEATING ELEMENT (ROTATED) FR W3 W4 DRIP PAN T ON SOLID PLATE HEATING ELEMENT W2 FR T ON W5 ROLL WARMER HOTPLAT E COOKTOP RWT-STYLE W6 Fig.
ITEM DESCRIPTION COMMENT VENTILATOR SECTION CONTROLS V1 POWER SWITCH Energizes blower motor. If, after 10 seconds, proper conditions are met, cooktop is energized. V2 POWER ON INDICATOR GREEN. Glows when POWER switch is ON. V3 CHECK FILTERS ALARM INDICATOR AMBER. Glows if one or more filters are out of position. Check all filters and baffles for proper installation. V4* REPLACE PREFILTER ALARM INDICATOR AMBER.
HOOD SECTION - FILTER ARRANGEMENT FAN WALL OF UNIT FILTER PA CK SE AL FILTER PACK FILTER PA CK AIR FLOW VENTILATOR HOOD FILTER PA CK PO SITIO N SWITCH HOL DE R CLIP GRE ASE B AFFLE PO SITIO N SWITCH H OLDER CLIP CLIPS ONTO LEDGE PRE -FILTER AS SEMB LY GRE ASE BA FFL E GRE ASE TROUGH PRE -FILTER NOTE: AIR FL OW A RRO W PO INTS AWAY FROM INSTAL LER WHEN PRO PERLY INSTA LLE D FILTER HOOK R E TE R FILTER HOOK FILTER RAIL FILTER HANDLE FILTER FRAME NOTE: P RE-FILTER IS S ENSE D AS B EING IN POS
HOOD SECTION - SERVICE INDICATOR LIGHTS POWER SWITCH SV504 SvcManual WV-4H(RW) INDICATOR LIGHT When lit, indicates that electrical power is available, (GREEN) VENTILATOR and that the power switch (V.01) is turned ON. POWER ON INDICATOR LIGHT (AMBER) CHECK FILTERS (POSITION) When lit, indicates that the BAFFLE, PRE-FILTER and/or FILTER PACK is not in its proper position, or that an interlock switch is out of adjustment.
HOOD SECTION - OPERATIONAL NOTES WARNING: FIRE AND HEALTH HAZARDS VENTILATOR HOOD DO NOT bypass or attempt to bypass the filter placement interlocks. Operating the appliance without filters properly in place will compromise the fire protection and air filtration capabilities of this unit. Serious personal injury and/or substantial property damage may result.
HOOD SECTION - OPERATIONAL NOTES (continued) FIRE DAMPER LABEL SHUTTER DAMPER SUPPORT FUSIBLE LINK 280ºF FIRE DAMPER INSTRUCTIONS 1. The FIRE DAMPER is accessible by removing the TOP PANEL The FIRE DAMPER sets in the DAMPER SUPPORT and may be removed by lifting straight up. SV504 SvcManual WV-4H(RW) 2. The FIRE DAMPER normally needs no maintenance. If it becomes heavily contaminated with dust and/or grease, it must be replaced. 3.
HOOD SECTION - FILTER SYSTEM HOOD ASSEMBLY (LOOKING UP) VENTILATOR HOOD FILTER PACK POSITION MONITOR GREASE BAFFLE POSITION MONITOR PRE-FILTER ASSEMBLY NOTE AIR FLOW ARROWS ON GREASE BAFFLE, PRE-FILTER AND FILTER PACK. INSTALL THESE COMPONENTS SUCH THAT ARROWS POINT TOWARD FAN FILTER PACK GREASE BAFFLE 1. The GREASE BAFFLE separates grease particles and water vapor from the air stream by the centrifugal force of the air moving through its inter-leaved baffle plates.
HOOD SECTION - VACUUM SYSTEM FAN PORT A VS4 VENTILATOR HOOD PORT A PORT B VS1 FAN PORT C PORT C PORT C VS3 PORT B PLENUM PORT (AFTER FILTER PACK) VS2 SV504 SvcManual WV-4H(RW) VS2 FILTER PACK ALERT Will illuminate "REPLACE FILTER PACK" indicator if pressure drop across the filter pack exceeds setting. VS3 PRE-FILTER ALERT Will illuminate "REPLACE PRE-FILTER" indicator if pressure drop across the prefilter exceeds setting.
HOOD SECTION - ANSUL® FIRE DETECTION SYSTEM HOOD ASSE MBLY VIEWED FROM REAR DETECTOR IN PLENUM 212ºF 212ºF VENTILATOR HOOD IN CA FI SE RE OF P H U A LL N DL ANS UL E MANUAL PULL STATION CABLE SITS IN GROOVE IN PULLEY PULLEY ELBOW IMPORTANT: All servicing of the fire detection system to be performed by an authorized Ansul® agent only. 1. Cooking appliance protected by two 212ºF fusible links connected in series. Fuse links are located in the plenum at the entry to the ventilator fan. 2.
HOOD SECTION - ANSUL® FIRE SUPPRESSION SYSTEM HOOD ASSEMBLY VIEWED FROM REAR FLEX HOSE APPLY SEALANT TAPE PLENUM NOZZLE ASSY NOZZLE 290 NOZZLE 1W APPLY SEALANT TAPE SEAL WITH TEFLON TAPE IN SID E OU TS IDE FIBER WASHER IS ALWAYS ON THE INSIDE CABINET WALL SEAL WITH TEFLON TAPE SV504 SvcManual WV-4H(RW) TYPICAL BULKHEAD FITTING FIRE SUPPRESSION MEDIA TANK PRESSURE CARTRIDGE 1. Actuation of the Ansul® system will cause the pressure cartridge seal to be punctured, which will pressurize the 1.
HOOD SECTION - TROUBLESHOOTING SUGGESTIONS SYMPTOM VENTILATOR HOOD Entire unit inoperative No lights glow No buzzer sounds Cooking appliance inoperative “POWER” light on hood ON. Vent fan working ok with no service Cooking appliance inoperative “POWER” light on hood ON. Vent fan working OK.
HOOD SECTION - TROUBLESHOOTING SUGGESTIONS (continued) POSSIBLE CAUSE Prefilter is at end of service life Vent fan working OK, but amber “REPLACE PREFILTER” light ON. Vacuum Switch VS3 damaged “REPLACE PREFILTER” light turns on some of the time. “REPLACE FILTER PACK” light ON. Replace prefilter Replace vacuum switch VS3 Pre-filter frame not hooked in position at top Hook metal pre-filterframe at top to prevent air blowing around filter Pre-filter position switch SW1 misadjusted or damaged.
HOTPLATE SECTION CAUTION: SPIRAL HEATING EL:EMENT REPLACE MENT BURN HAZARD Applicable to Wells WV-4HS-series ventless appliances. Hotplate burner surfaces are very hot during operation. Allow unit to cool before performing any service. Wells part number 50293: Revised to the latest UL requirements, new replacement elements may connect differently than previously available replacement elements. To install a new element in an existing appliance: 1.
HOTPLATE COOKTOP UNIT (continued) SOLID (FRENCH PLATE) ELEMENT REPLACEMENT CAUTION: Applicable to Wells WV-4HF-series ventless appliances. BURN HAZARD Wells has introduced an upgraded element terminal lug for solid (French plate) element cooktops. Units built prior to June 1, 2001 will require this upgrade when replacing elements. 1. When only the Ceramic Terminal Block is damaged and the Element wire is not fused: Replace with Kit 503972. This Kit replaces the Terminal Block with the new wire set.
DRAWER WARMER SECTION - OPERATIONAL NOTES OPTIONAL HUMITROL RACK DRAWER STOP PRODUCT PAN LATCH ASSEMBLY OPTIONAL DIAL THERMOMETER DRAWER ASSEMBLY THERMOSTAT CONTROL KNOB OPTIONAL ELECTRONIC CONTROL CONTROL MODULE POWER SWITCH ºF OR ºC INDICATORS LED READOUT CONTROL MODULE "PROCESS" KEY PROCESS LOAD INDICATOR INCREMENT AND DECREMENT KEYS BURN HAZARD Interior of drawer warmer cavity will be hot during operation. Allow unit to cool before performing any service.
DRAWER WARMER SECTION - CONTROL MODULE for RWT- STYLE UNITS CONTROL MODULE ITEM 1 2 3 DESCRIPTION 1 PROCESS Key: Press to view actual temperature of cavity. 2 4 Character LED Display: Normally shows SETPOINT temperature. 3 ºF or ºC Indicator: Glows to indicate if unit is configured for degrees Fahrenheit or degrees Celsius. 4 LOAD Indicator: Glows when heating element is energized.
DRAWER WARMER TROUBLESHOOTING SUGGESTIONS SYMPTOM No lights or heat (both drawers) No heat (one drawer) POSSIBLE CAUSE SUGGESTED REMEDY Hood power switch not "ON" Press power switch to "ON" NOTE: Drawer warmer is energized any time hood power switch is "ON" and Ansul® system is ready. Hood need not be operating. Temperature control not set Set for desired temperature. Damaged thermostat or heating element (RW-style units) Inspect thermostat, heating element, wiring and connections.
FOR USE ONLY BY AUTHORIZED ANSUL© SERVICE PERSONNEL Refer to Ansul© part no. 418078-05 R-102 Restaurant Fire Suppression System Design, Installation, Recharge and Maintenance ref. NOZZLE 290 ANSUL© p/n 419342 ref. ADAPTER, QUICK-SEAL 3/8” ANSUL© p/n 77284 ref. NOZZLE 290 ANSUL© p/n 419342 FUSIBLE LINK TYPE B 212ºF 504112 ref. NOZZLE 1W ANSUL© p/n 419336 ref. MOUNTING BRACKET RELEASE MECHANISM R-102 ANSUL© p/n 79493 (NOT SHOWN) MICROSWITCH 67273 TERM.BLOCK 53068 ASSY, PULL STATION ANSUL© 501389 ref.
EXPLODED VIEWS CABINET COMPONENTS INTERNAL BRACKETS FIRE DAMPER ASSY 280ºF (ref.
FITTING, 1/2” CONDUIT STRAIGHT 57748 ASSY, BLOWER 240V 502584 VACUUM SWITCH #4 502593 VACUUM SWITCH #1 502590 VACUUM SWITCH #3 502592 ASSY, VAC TUBE MANIFOLD 502588 VACUUM SWITCH #2 502591 ref Ansul® 77284 ref Ansul® 77284 SWITCH, POWER 8528-40 SWITCH, FILTER INTERLOCK 500407 (2 pl) BUZZER, 240V 64834 LIGHT, INDICATOR GREEN 240V 55697 LIGHT, INDICATOR AMBER 240V 50516 (3 pl) OD P LIGHT, INDICATOR RED 240V 51157 FR ON TO FH L D A IC P - U R CT E EL OO ER HO TERMINAL BLOCK 2P 250V
COOKTOP HF 50293 COMPLETE ASSEMBLY SCREW 8-32 x 3/8 (pk 100) 53977 BRACKET, HOLD-DOWN SOLID ELEMENT 501451 NUT, 8-32 KEPS Ni 51053 (pk 100) HS FAN, COOLING FT 503655 INFINITE SWITCH 240V A CAM 50562 SV504 SvcManual WV-4H(RW) LIGHT, SIGNAL AMBER 50516 IN KNOB, HOTPLATE FRONT 50583 KNOB, HOTPLATE REAR 50584 0 CA SE FIR OF E SU L PU HA LL ND LE OFF 5 6 8 H I H I 3 3 7 FRONT 2 2 7 LO LO REAR 8 AN 0 OFF 4 4 5 6 EXPLODED VIEWS HEATING ELEMENT, SOLID 240V 2000W 503973 ASSE
EXPLODED VIEWS DRAWER WARMER 20624 (optional) 21488 55487 (pk 50) part of 50471 18-302 55565 55530 (pk 10) 67096 heavy-duty drawer assy complete 55487 (pk 50) 69251 50483 (pk 6) CLO SED OPE N 51796 64475 OPTIONAL THERMOMETER 52112 50471 (includes strike and catch) 18-302 (typ.
WIRING SCHEMATIC HOOD SECTION G L1 L2 L3 CAC-1 CAC-2 CAC-3 WIRING SERVICE REQUIRED INDICATOR PS1-1 FS1(NC) VS4 CHECK FILTER INDICATOR SW1 ATS1 VS1 SW2 PS1-2 COIL TB1 JUMPER COOKING APPLIANCE CONTACTOR BLOWER MOTOR POWER ON INDICATOR VS3 REPLACE PREFILTER INDICATOR VS2 REPLACE FILTER PACK INDICATOR NC NC COIL DRAWER WARMER RELAY FS1(NO) ZZZ ANSUL® SYSTEM BUZZER TO BLDG FIRE ALARM SYSTEM COIL FIRE ALARM RELAY TO HOTPLATE COOKTOP WV-4H(RW) HOOD SECTION WIRING SCHEMATIC LEGEND ATS1 = AMB
WIRING DIAGRAM HOOD SECTION VENTILATOR POWER SWITCH SERVICE REPLACE REPLACE PREFILTER FILTER PACK REQUIRED INDICATOR INDICATOR INDICATOR CHECK FILTER INDICATOR POWER ON INDICATOR 16 EXTERNAL CONTROL TERMINAL BLOCK 1 EXTERNAL SHUTDOWN CONTROL 13 JUMPER 2 3 21 22 6 10 14 15 BLACK WHITE HOOD LIGHT 7 12 9 VACUUM SWITCH VS4 (AIRFLOW) POWER CORD 4 35 24 RED ANSUL® SYSTEM BLOWER MOTOR GREASE BAFFLE POSITION SW 3 2 BLACK 19 C NO T1 T2 T3 C 4 17 NO 18 NO COOKING APPLIANCE CONTACTOR
WIRING SCHEMATIC HOTPLATE COOKTOP SECTION FROM COOKING APPLIANCE CONTACTOR TO VS 4 L1 L2 L3 G WIRING ATS-1 INF SW 1-1 INF SW 1-2 HEATING ELEMENT (LEFT FRONT) HEATING INDICATOR INF SW 2-1 INF SW 2-2 HEATING ELEMENT (LEFT REAR) HEATING INDICATOR INF SW 3-2 INF SW 3-1 HEATING ELEMENT (RIGHT REAR) HEATING INDICATOR INF SW 4-1 INF SW 4-2 HEATING INDICATOR COOLING FAN 28 WV-4H(RW) WIRING SCHEMATIC HOTPLATE COOKTOP SECTION LEGEND ATS-1 = AMBIENT TEMPERATURE SWITCH CAC = COOKING APPLIANCE CONTA
WIRING DIAGRAM HOTPLATE COOKTOP SECTION RIGHT REAR HEATING ELEMENT WIRING LEFT REAR HEATING ELEMENT LEFT FRONT HEATING ELEMENT 2 RIGHT FRONT HEATING ELEMENT 2 2 28 2 TO AIRFLOW VAC SW.
WIRING SCHEMATIC DRAWER WARMER SECTION (RW-STYLE) L1 L3 T3 T WIRING T4 T DRAWER WARMER ELEMENT (UPPER) HEATING INDICATOR DRAWER WARMER ELEMENT (LOWER) HEATING INDICATOR WV-4HRW DRAWER WARMER SECTION WIRING SCHEMATIC LEGEND T3, T4 = DRAWER WARMER THERMOSTAT DRAWER WARMER SECTION (RWT-STYLE) L1 L3 E1 E2 DRAWER WARMER ELEMENT (LOWER) E CONTROLLER WV-4HRWT DRAWER WARMER SECTION WIRING SCHEMATIC LEGEND E1, E2 = DRAWER WARMER TEMPERATURE CONTROLLER N.O.
WIRING DIAGRAM DRAWER WARMER SECTION (RW-STYLE) 1 INDICATOR LIGHT T 7 WIRE NUT LOWER HEATING ELEMENT 240VAC 900WATTS 8 8 2 3 4 T THERMOSTAT 7 WIRE NUT WIRE NUT 32 31 33 THERMOSTAT FROM DRAWER WARMER RELAY WIRING WIRE NUT UPPER HEATING ELEMENT 240VAC 900WATTS WIRING DIAGRAM RW-26 from p/n 300959 issue A INDICATOR LIGHT SV504 SvcManual WV-4H(RW) DRAWER WARMER SECTION (RWT-STYLE) UPPER HEATING ELEMENT 240VAC 900WATTS UPPER HEATING ELEMENT 240VAC 900WATTS 4 4 7 TEMP PROBE 7 CONTROLLE
MSDS - ANSULEX™ Low pH FIRE SUPPRESSION MEDIA DOCUMENTATION SV504 SvcManual WV-4H(RW) 32
SV504 SvcManual WV-4H(RW) DOCUMENTATION MSDS - ANSULEX™ Low pH FIRE SUPPRESSION MEDIA 33
WELLS BLOOMFIELD, LLC DOCUMENTATION SV504 SvcManual WV-4H(RW) 34
35 Max interval: 12 months Replace fire damper fusible link: rated @ 280ºF Replace two (2) fire suppression links located in plenum: each link is rated @ 212ºF SV504 SvcManual WV-4H(RW) DOCUMENTATION WELLS BLOOMFIELD, LLC
IMPORTANT: WELLS BLOOMFIELD, LLC PROPRIETARY INFORMATION. DISSEMINATION OF THIS INFORMATION TO ANYONE OTHER THAN WELLS AUTHORIZED SERVICE AGENTS IS STRICTLY PROHIBITED. TECHNICAL CONTENT OF THIS MANUAL IS DESIGNED FOR USE BY QUALIFIED PROFESSIONAL TECHNICIANS ONLY. 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.
