Wells WVG-136 SERIES Betriebsanleitung

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 PROFESSIONALTECHNICIANS 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 SV502 Rev.(-) S502 080516 cps

502

SUPPLEMENTAL

SERVICE

INSTRUCTIONS

WVG-136

WVG-136RW

and

WVG-136RWT

ELECTRIC

GRIDDLE

with

VENTLESS

HOOD

SYSTEM

GENERAL

This appliance is intended for use in commercial establishments

only.

This appliance is intended

to prepare food for human consumption.

No other use is

recommended or authorized by the manufacturer or its

agents.

Operators of this appliance must be familiar with the appliance use,

limitations and associated restrictions. Operating instructions must be

read and understood by all persons using or installing this appliance.

Cleanliness of this appliance is essential to good sanitation. Read and

follow all included cleaning instructions and schedules to ensure the

safety of the food product.

Disconnect this appliance from electrical power before performing any

maintenance or servicing.

DO NOT splash or pour water on, in or over any controls, control

panel or wiring.

The technical content of this manual, including any wiring diagrams,

schematics, parts breakdown illustrations and/or adjustment

procedures, is intended for use by qualified technical personnel.

Any procedure which requires the use of tools must be performed by a

qualified technician. 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" in order to

maintain adequate airflow.

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. Use all

due caution to avoid contact

with live electric circuits.

Failure to follow this warning

can result in severe electrical

shock.

CAUTION:

RISK OF

DAMAGE

DO NOT connect or energize

this appliance until all

installation instructions are

read and followed. Damage to

the appliance will result if

these instructions are not

followed.

PRECAUTIONS AND GENERAL INFORMATION

SV502 SvcManual WVG-136(RW)

GENERAL

Precautions & General Information …………….………… xi

Specifications ..……………………………...................….. 1

Features & Operating Controls ……………………………. 2

VENTILATOR HOOD SECTION

Operational Notes ........................................................... 8

Filter System ................................................................... 10

Vacuum System .............................................................. 11

Ansul® System ............................................................... 12

Troubleshooting Suggestions ……………………………… 14

GRIDDLE SECTION

Operational Notes .............................................................. 16

Element Clamping Diagram .............................................. 19

Troubleshooting Suggestions ........................................... 19

DRAWER WARMER SECTION

Operational Notes .............................................................. 20

RWT-Style Controller ........................................................ 21

Troubleshooting Suggestions ........................................... 22

EXPLODED VIEWS AND PARTS LISTS

Ansul® Components ......................................................... 23

Hood Section .................................................................... 24

Griddle Section ................................................................ 26

Drawer Warmer Section ................................................... 28

WIRING SCHEMATICS & DIAGRAMS ................................. 30

OTHER DOCUMENTS

Material Safety Data Sheet—Ansulex Low pH ................. 36

Maintenance Logs ............................................................ 38

This manual contains information needed to properly service and repair Wells Bloomfield free-standing

electric griddle with ventless hood system.

This manual applies to the following Wells Manufacturing models:

WVG-136

WVG-136RW

WVG-136RWT

For installation, operation and maintenance instructions, refer to Operation Manual p/n 304986.

TABLE OF CONTENTS

INTRODUCTION

SPECIFICATIONS

MODEL DRAWER

WARMER VOLTS

60Hz 3ø AMPS 1ø

AMPS WATTS DIMENSIONS

L1 L2 L3

WVG-136 NO 208V 17 29 17 35 7300

30-3/8" Wide

(42-3/8" incl. spacers)

77-1/4" High

35-1/2" Deep

240V 20 33 20 40 9500

WVG-136RW

WVG-136RWT 208V 20 28 20 38 7900

240V 24 33 24 43 10400

YES

SV502 SvcManual WVG-136(RW)

GENERAL

SV502 SvcManual WVG-136(RW)

FEATURES & OPERATING CONTROLS

Fig. 1 Ventilator Section Operating Features & Controls

28 28

a15

a11

838

VENTILATOR CONTROL PANEL

see pages 4 & 5

GRIDDLE CONTROL PANEL

see pages 4 & 5

18 16

WARMER CONTROLS

see pages 4 & 5

PULL

HANDLE

TO ACTI V ATE

FIRE SUPPRESSION

SYSTEM

INC ASEOF

FIRE

ANSUL

a10

12 41

4243

a31

GENERAL

SV502 SvcManual WVG-136(RW)

ITEM

a6.

a10.

a11.

12.

a15.

16.

18.

19.

22.

23.

28.

a31.

38.

40.

41.

42.

43.

44.

53.

56.

DESCRIPTION

NAMEPLATE

FIRE SUPPRESSION

AGENT TANK (1.5 gal.)

ADJUSTABLE (FRONT) LEG

RIGID (REAR) CASTER

MANUAL PULL STATION

FUSIBLE LINKS

LOWER REAR ACCESS

PANEL

DISCHARGE NOZZLE

GREASE BAFFLE

PRE-FILTER ASSEMBLY

HEPA/CHARCOAL FILTER

PACK

GREASE CUP

GREASE TROUGH

VENTILATOR EXHAUST

DUCT

STATUS INDICATOR

POWER CORD

WARMER RELAY

POWER CONTACTOR

BUILDING FIRE ALARM

RELAY

GROUND LUG

INTERLOCK TERMINAL

FILTER INTERLOCK

SWITCHES

VENTILATOR FAN

COMMENT

Lists Manufacturer, Model and Serial Number information.

Also lists electrical specifications.

Container for Ansulex™ Low-pH liquid fire suppression liquid.

Allows the unit to be leveled.

Allows the unit to be easily positioned by lifting the front of the unit

slightly.

Provides a means of manual activation of the fire suppression system.

PULL ONLY IN CASE OF FIRE!

Automatically activates fire suppression system in the event of fire on

the griddle.

Allows access to Ansul® fire suppression agent tank (a6) and controls

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 grease/moisture drained from grease trough (23).

Directs grease/moisture removed by grease baffle to grease cup.

Exit point for ventilator airflow - on top left rear of unit.

DO NOT BLOCK

Displays status of fire suppression system (COCKED - FIRED) If

FIRED, a buzzer will sound continuously.

6’ cord and cap. Plug for NEMA 15-60R (receptacle by user).

Provides power to roll warmer section. Energized at all times except

during fire safety shut-down.

Energizes griddle only while ventilator section is sensed as

operational.

Reports fire alarm condition to building fire management system.

Ground wire of power cord connects here.

Provides connection for shut-down control by building fire

management system.

Proper installation of grease baffle and filter pack close these switches

in ventilator sensor circuit.

Provides air movement for ventilation.

FEATURES & OPERATING CONTROLS (continued)

VENTILATOR SECTION

GENERAL

FEATURES & OPERATING CONTROLS (continued)

Fig. 2 Ventilator Section Controls & Indicator Lights

Fig. 3 Griddle & Warmer Drawer Operating Features & Controls

SV502 SvcManual WVG-136(RW)

V.01 V.02 V.03 V.04 V.05 V.06

GRIDDLE

GREASE

TROUGH

GRIDDL

SURFACE

GREASE

DRAWER

OPTIONAL ROLLWARMER

HUMITROL

RACK

DRAWER

INSERT

PAN

W.04 W.01

W.05

W.03

W.02

W.06

G.02 G.01

RWT-STYLE

RW-STYLE

GENERAL

ITEM

V.01

V.02

V.03

V.04*

V.05*

V.06*

G.01

G.02

W.01

W.02

W.03

W.04

W.05

W.06

DESCRIPTION

POWER SWITCH

POWER ON INDICATOR

CHECK FILTERS ALARM

INDICATOR

REPLACE PREFILTER

ALARM INDICATOR

REPLACE FILTER PACK

ALARM INDICATOR

SERVICE REQUIRED

ALARM INDICATOR

GRIDDLE TEMPERATURE

CONTROL

INDICATOR LIGHT

WARMER TEMPERATURE

CONTROL

POWER ON INDICATOR

THERMOMETER

(OPTIONAL )

HUMIDITY CONTROL

CONTROL MODULE

WARMER POWER

SWITCH

COMMENT

Energizes blower motor. If, after 10 seconds, proper conditions

are met, appliance is energized.

GREEN. Glows when POWER switch is ON.

AMBER. Glows if one or more filters are out of position. Check

all filters and baffles for proper installation.

AMBER. Glows when PREFILTER is approaching the end of its

service life and must soon be replaced.

AMBER. Glows 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.

Thermostat control of temperature of one griddle half.

AMBER. Glows when heating element is energized.

Infinite switch control of one warmer drawer.

AMBER. Glows when associated control is turned ON.

Shows temperature in warmer drawer. Must be ordered at time

of initial equipment build.

Slide control of shutters to control air circulation within the

warmer drawer.

Adjust setpoint, view setpoint and actual temperatures.

Energize individual drawer warmer.

FEATURES & OPERATING CONTROLS (continued)

GRIDDLE SECTION CONTROLS

OPTIONAL WARMER SECTION CONTROLS

* See PRECAUTIONS & GENERAL INFORMATION, pages 6 - 8 for special procedures regarding

prefilters and filter packs.

VENTILATOR SECTION CONTROLS

SV502 SvcManual WVG-136(RW)

RW-STYLE

RWT-STYLE

VENTILATOR HOOD

HOOD SECTION - OPERATIONAL NOTES

SV502 SvcManual WVG-136(RW)

FILTER

RAIL

FILTER

HOOK

FILTER PACK

PRE-FILTER

ASSEMBLY

GREASE

BAFFLE

GREASE

TROUGH

AIR FLOW

HOLDER CLIP

FILTER 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

HOLDERCLIP

CLIPS ONTO

LEDGE

WALL OF UNIT

PRE-FILTER

FAN

VENTILATOR HOOD

HOOD SECTION - OPERATIONAL NOTES (continued)

SV502 SvcManual WVG-136(RW)

POWER SWITCH

Energizes the ventilator section. When all three

filters are sensed as being in their proper position,

and sufficient airflow is proven, the cooking

appliance contactor is energized.

INDICATOR LIGHT

(GREEN) VENTILATOR

POWER ON

When lit, indicates that electrical power is available,

and that the power switch (V.01) is turned 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.

Controlled by: Plunger switches position monitors

for Filter Pack and Grease Baffle; and, vacuum

switch S3 for Pre-Filter.

INDICATOR LIGHT

(AMBER) REPLACE

PREFILTER

When lit, indicates 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 either the pre-filter or the filter pack is

individually clogged (the individual indicator light

may be lit), or that the the airflow drop across both

filters is critical. As a cost saving measure, always

change a dirty pre-filter first (when lights V.04 &

V.05 are not lit, and red light V.06 is on).

Note: Power to the cooking appliance will be

de-energized whenever this RED “SERVICE

REQUIRED” indicator light is lit. When lit, the air

flow is insufficient to meet appliance vapor capture

levels requirements.

Controlled by vacuum switch S4.

VENTILATOR HOOD

REPLACE PREFILTER and REPLACE FILTER PACK indicator lights

provide a timely warning that a system shut-down is imminent. The

actual time between the indicator light coming on and the loss of

cooking appliance power will depend upon the cooking conditions.

Anytime a dirty PRE-FILTER is replaced, the system airflow will

increase. If the condition of the FILTER PACK is marginal, the

REPLACE FILTER PACK light could then come on. If this happens, a

fresh FILTER PACK must be installed within a reasonably short time.

Loss of airflow through the old filter pack will soon cause a system

shut-down when the airflow falls below minimum vapor capture levels.

KEEP SPARE FILTER PACKS ON HAND.

IMPORTANT: If you decide to “get the most” out of the old filter pack,

and continue to use it until a system shut-down happens, it is advisable

to have a fresh filter pack readily 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 filter pack on hand.

WARNING:

FIRE AND HEALTH

HAZARDS

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.

NOTICE:

Operating without all filters

properly in place, and/or

operating with filter placement

interlocks defeated will void the

manufacturer’s warranty.

IMPORTANT:

NEVER wash the PREFILTER or

FILTER PACK.This will shut

down the cooking appliance.

(Red “SERVICE REQUIRED”

light will turn ON).

HOOD SECTION - OPERATIONAL NOTES (continued)

SV502 SvcManual WVG-136(RW)

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