Wells WVU-26 Operators Manual

WELLS MANUFACTURING

265 Hobson Street, Smithville, Tennessee 37166

telephone: [phone]

fax: [phone]

www.wells-mfg.com

521

OWNER

'S MANUAL

VENTLESS UNIVERSAL

MODULAR HOOD SYSTEM

for

ELECTRIC

COOKING

APPLIANCES

MODEL

WVU-26

Manual Includes

INSTALLATION

USE & CARE

EXPLODED VIEW

PARTS LIST

WIRING DIAGRAM

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-Z18099 Rev. E

Model WVU26

04/2018

LIMITED EQUIPMENT WARRANTY

Wells Manufacturing warranties new products to be free from defects
in material and/or workmanship for a period of one [1] year from the
date of original installation, except as noted below. Defects that occur
as a result of normal use, within the time period and limitations defined
in this warranty, will at Wells’ discretion have the parts replaced or

repaired by Wells or a Wells-authorized service agency.

THIS WARRANTY IS SUBJECT TO ALL LISTED CONDITIONS.

Repairs performed under this warranty are to be performed by a Wells­authorized service agency. Wells will not be responsible for charges
incurred or service performed by non-authorized repair agencies.

In all cases, the nearest Wells-authorized service agency must be used.

Wells will be responsible for normal labor charges incurred in the repair
or replacement of a warrantied product within 50 miles (80.5 km) of
an authorized service agency. Time and expense charges for anything
beyond that distance will be the responsibility of the owner. All labor
will need to be performed during regular service hours. Any overtime
premium will be charged to the owner. For all shipments outside the
U.S.A. and Canada, please see the International Warranty for specific
details.

It is the responsibility of the owner to inspect and report any shipping

damage claims, hidden or otherwise, promptly following delivery.

No mileage or travel charges will be honored on any equipment that is
deemed portable. In general, equipment with a cord and plug weighing
less than 50 lb. (22.7 kg) is considered portable and should be taken or

shipped to the closest authorized service agency, transportation prepaid .

CO NTAC T

Should you require any assistance regarding the operation or
maintenance of any Wells equipment; write, phone, fax or email
our service department. In all correspondence mention the
model number and the serial number of your unit, as well as
the voltage or type of gas you are using.

Business hours are 8:00 a.m. to 4:30 p.m. Central Standard Time

Telephone [phone]

Fax [phone]

Email [e-mail]

www.wells-mfg.com

WARRA

THE FOLLOWING WILL NOT BE COVERED UNDER WARRANTY.

• Any product which has not been installed, cleaned, maintained,
or used in accordance with the directions published in the appropriate

installation sheet and/or owner’s manual as well as national and local

codes, including incorrect gas or electrical connection. Wells is not liable
for any unit which has been mishandled, abused, misapplied, subjected
to chlorides, harsh chemicals, or caustic cleaners, damaged from
exposure to hard water, modified by unauthorized personnel, damaged
by flood, fire, or other acts of nature [or God], or which have an altered
or missing serial number.

• Installation, labor, and job checkouts, calibration of heat controls, air

and gas burner/bypass/pilot adjustments, gas or electrical system
checks, voltage and phase conversions, cleaning of equipment,
or seasoning of griddle surface.

• Replacement of fuses or resetting of circuit breakers, safety controls,
or reset buttons.

• Replacement of broken or damaged glass components, quartz heating
elements, and light bulbs.

• Labor charges for all removable parts in gas charbroilers and hotplates,
including but not limited to burners, grates, and radiants.

• Any labor charges incurred by delays, waiting time, or operating
restrictions that hinder a service technician’s ability to perform service.

• Parts that fail or are damaged due to normal wear or labor for

replacement of Items that can easily be replaced during a daily cleaning
routine. such as but not limited to silicone belts, PTFE non-stick sheets,
knobs, control labels, bulbs, fuses, quartz heating elements, baskets,
racks, and grease drawers.

• Components that should be replaced when damaged or worn, but have
been field-repaired instead [eg. field-welded fry pots].

• Any loss of business or profits.

ADDITIONAL WARRANTIES

Specialty/chain specific versions may also have additional and/or
extended warranties.

NTY EXCLUSIONS

PRODUCTS PARTS LABOR

universal ventless hoods 2 years 1 year

canopy hoods 2 years 1 year

“Cook’n Hold” equipment [HW10,

HWSMP, LLSC7, LLSC7WA, LLSC11,

2 years 1 year

an d LLSC 1 1WA]

cast iron grates, burners, and burner

shields

original Wells parts sold to repair

Wells equipment

1 year

90 days

Service First 1 year

The fore going warrant y is in lieu of any and a ll other warranti es expresse d or implied and c onstitutes the e ntire warranty. 2M-Z22393 • Rev A • 02.2018

TABLE OF CONTENTS

WARRANTY
SPECIFICATIONS 1
WARNINGS - ENGLISH 2
WARNINGS - FRENCH 3
FEATURES & OPERATING CONTROLS 4

PRECAUTIONS & GENERAL INFORMATION 5

AGENCY LISTING INFORMATION 6
INSTALLATION 6
ANSUL® INSTALLATION & SETUP 9
OPERATION 11
CLEANING INSTRUCTIONS 12

TROUBLESHOOTING SUGGESTIONS 15
REQUIRED MAINTENANCE & MAINTENANCE LOGS 15

MSDS Ansulex Low-pH ™ 18
WIRING DIAGRAM 20
EXPLODED VIEW & PARTS LIST 21

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.

This manual contains information and instructions for the ventless ventilation hood, its use and care.

For information regarding cooking appliance(s), please refer to the manufacturer’s operation manual.

ELECTRICAL SPECIFICATIONS

MODEL

WVU26 208/240V 6A 1.4kW

VOLTS

50/60Hz 1 ø

AMPS 1ø WATTS POWER SUPPLY

Each cooking appliance requires a circuit sized to
the appliance power requirements, connected to an
interlock contactor with 208/240 volt control coil rating.

UNDER-HOOD APPLIANCE LIMITATIONS:

Appliance Maximum output of 22Kw

1.

2. Cooking surface must be 34-38” (864—965mm) from oor, no more than 25.5”

(648mm) from back wall, no wider than 24” (610mm)

3. Appliance must be installed per manufactures instructions.

4. Electrical appliance only. Not Intended for gas red units.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

1

WARNINGS - ENGLISH

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.

DANGER

FIRE HAZARD

Fire suppression system must be charged and

certied by an authorized Ansul® distributor.
DO NOT attempt to modify or bypass the re

suppression system.

An uncontrolled re can cause serious injury or

death.

WARNING:

If the re suppression system is

discharged, a buzzer will sound
continuously. The unit will remain

inoperable until the re suppression system

is serviced, recharged and reset by an
authorized Ansul® distributor.

NOTE:

If a REMOTE MANUAL PULL STATION
is installed, moving the ventilator for any
reason may cause the Ansul® system to
discharge.

DANGER - DO NOT BLOCK ACCESS
TO THE FIRE EXTINGUSHING
MANUAL PULL.

DANGER:

SUFFOCATION HAZARD

“Do not attempt to use this ventilator with

gas-red units. This ventilator will not

remove products of combustion. Unvented
exhaust gasses can be deadly.”

WARNING:

SHOCK HAZARD

All servicing requiring access to non-insulated
electrical components must be performed by
a factory authorized technician.

DO NOT open any access panel which
requires the use of tools. Failure to follow this

warning can result in severe electrical shock.

WARNING:

RISK OF INJURY

Installation procedures must be performed by

a qualied 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 appliance unless the grease cup
is properly installed. Oil will drip onto oor

creating a slipping hazard.

WARNING:

DO NOT attempt to wash the HEPA /

CHARCOAL lter pack or pre-lter. Water
absorption will render the lter unusable.
Use of a wet or clogged lter will cause the

ventilator system to shut down. Use only
new, clean Wells® Authorized Service Parts.

Keep spare lter packs on hand to avoid

distrupions.
Service Department 1-314-678-6314.
Exposed surfaces can be hot to the touch and
may cause burns. Allow unit to cool before
cleaning or servicing.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

2

WARNINGS - FRENCH

IMPORTANT : NE JETEZ PAS CE MANUEL

Ce manuel fait partie intégrante de l’appareil et doit être remis au PROPRIÉTAIRE, au GÉRANT
du restaurant ou au responsable de la FORMATION DES UTILISATEURS. Des manuels
supplémentaires sont disponibles auprès de votre concessionnaire WELLS.

TOUTE PERSONNE INSTALLANT OU UTILISANT CET APPAREIL DOIT LIRE CE MANUEL ET
S’ASSURER DE L’AVOIR COMPRIS.

Veuillez contacter votre CONCESSIONNAIRE WELLS pour toute question concernant
l’installation, l’utilisation ou l’entretien de cet équipement.

DANGER

RISQUE D’INCENDIE

Le système anti-incendie doit être chargé

et certié par un distributeur agréé Ansul®.
N’essayez PAS de modier ou de

contourner le système anti-incendie.
Un feu hors de contrôle risque de
provoquer des blessures graves, voire
mortelles.

AVERTISSEMENT :

Une alarme sonore se déclenche en
continu si le système anti-incendie est
déchargé. L’unité reste inutilisable
jusqu’à ce qu’un distributeur agréé Ansul®
effectue son intervention, le recharge et le
réinitialise.

REMARQUE :

Si un AVERTISSEUR D’INCENDIE À
DISTANCE MANUEL est installé, tout
déplacement du ventilateur, quel qu’en soit
le motif, peut provoquer la décharge du
système Ansul®.

DANGER - NE PAS BLOQUER
L’ACCÈS À LA POIGNÉE DE
L’EXTINCTEUR !

DANGER :

RISQUE DE SUFFOCATION

“Ce ventilateur ne doit pas être utilisé avec
des appareils à gaz. Il n’absorbe pas les
produits de combustion. En l’absence de
sortie d’aération, les gaz de combustion
peuvent être mortels.”

AVERTISSEMENT :

RISQUE DE DÉCHARGE ÉLECTRIQUE

Toute intervention nécessitant d’accéder à des
composants électriques non isolés doit être
effectuée par un technicien agréé usine.

N’ouvrez AUCUN panneau d’accès nécessitant
l’utilisation d’un outil. Le non-respect de cet
avertissement peut exposer à une décharge
électrique sévère.

AVERTISSEMENT :

RISQUE DE BLESSURE

Les procédures d’installation doivent être

effectuées par un technicien qualié ayant pleine

connaissance des réglementations applicables. Le
non-respect de cet avertissement peut provoquer
des blessures et des dommages matériels.

AVERTISSEMENT :

RISQUE DE CHUTE

N’utilisez PAS d’appareil de cuisson produisant
de la graisse sans que le godet à graisse soit
correctement installé. Vous risqueriez de glisser
car la graisse éclabousserait le sol.

AVERTISSEMENT :

N’essayez PAS de nettoyer le ltre ou le pré-ltre

HEPA ou à CHARBON. L’eau absorbée rendrait

le ltre inutilisable. Un ltre humide ou colmaté

provoque l’arrêt du système de ventilation. Utilisez
uniquement des pièces neuves et propres,
homologuées par Wells®. Conservez des

ltres de rechange pour éviter l’interruption du

fonctionnement.
Service clientèle : [phone].

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

3

FEATURES & OPERATING CONTROLS

FILTER PACK
(PARTIALLY
INSTALLED)

ANSUL® NOZZLE
ON SWIVEL

CONTROL PANEL/

FILTER ACCESS

SYSTEM
EXHAUST
OUTLET

ADJUSTABLE LEG

SERVICE ACCESS DOOR

ANSUL®

PULL STATION

ELECTRICAL
CONNECTION BOX

APPLIANCE
LIGHTS

AREA UNDER HOOD

(LOOKING UP)

FILTER PACK
(IN PLACE)

GREASE
BAFFLE
(REMOVED)

GREASE CUP

ANSUL® NOZZLE
ON SWIVEL

AREA BEHIND FILTERS

(LOOKING UP)

ANSUL® SERIES
DETECTOR W/
212ºF FUSIBLE LINK

ANSUL® SERIES

DETECTOR W/

165ºF FUSIBLE LINK

PRESSURE
SENSOR TAP

VENTILATOR
FAN

ANSUL®

NOZZLE

FILTER

GREASE BAFFLE

APPLIANCE
LIGHTS

CHECK
FILTER

CHANGE

FILTER

SERVICE

REQUIRED

LIGHTED POWER

SWITCH (GREEN)

"CHECK FILTERS"

FILTER(S) OUT OF

POSITION INDICATOR

(AMBER)

"REPLACE FILTERS"

FILTERS NEARING

END OF SERVICE LIFE

INDICATOR (AMBER)

"SERVICE REQUIRED"

FILTERS EXPENDED

INDICATOR (RED -

SYSTEM SHUT DOWN)

CONTROL PANEL

PANEL LATCHES

IL2809 Rev. A

Universal Ventless Hood Features & Operating Controls

4

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

PRECAUTIONS AND GENERAL INFORMATION

This ventilator hood is part of an engineered system and is intended for
use in commercial establishments only.

This ventilator is intended
in the preparation 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.

This ventilator hood system is designed to reduce odor emissions,

but will not completely eliminate all cooking odors. Air exchange

rates at the installation site must comply with the requirements of the
local jurisdictional authority. To ensure that odors do not accumulate,
recommended minimum air exchange is 400 cfm into and out of the
site.

This unit is intended for use with light and medium duty electric cooking
appliances only. Cooking appliances placed under this ventilator must

comply with the restrictions set forth in the Installation Instructions
shipped with the unit.

Also see Under Hood Cooking Appliance Limitations, page 1.
Do not connect or energize this appliance until all installation

instructions are read and followed. Damage to the ventilator and/or

cooking appliances may result if these instructions are not followed.

Disconnect this appliance from electrical power before performing any
maintenance or servicing.

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.

This appliance is not jet stream approved. Do not direct water jet or
steam jet at this appliance, or at any control panel or wiring. Do not
splash or pour water on, in or over any controls, control panel or wiring.

Do not attempt to wash lter packs. Water will cause their immediate

failure and disable the ventilator.
Exposed surfaces of this appliance can be hot to the touch and may

cause burns.

Avoid storing ammable or combustible materials in, on or near the
ventilator or associated cooking appliance.

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

schematics, parts breakdown illustrations and/or adjustment
procedures, is intended for use by qualied technical personnel.

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

qualied technician.

All supplied instructions, diagrams, schematics, parts breakdown

illustrations, notices and labels must remain with the appliance if it is
sold or moved to another location.

This appliance is made in the USA. Unless otherwise noted, this

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

appliance has American sizes on all hardware.

for commercial establishments for use

DANGER:

SUFFOCATION HAZARD

Do not attempt to use this

ventilator with gas-red units.

This ventilator will not remove
products of combustion.
Unvented exhaust gasses
can be deadly.

WARNING:

SHOCK HAZARD

All servicing requiring
access to non-insulated
electrical components must
be performed by a factory
authorized technician.

DO NOT open any access
panel which requires the use
of tools. Failure to follow this
warning can result in severe

electrical shock.

IMPORTANT:

The ventilator is disabled

when the lters are plugged
to the point of insufcient
airow for proper operation.
Also, power to the cooking

appliances is interrupted if

either the lter pack or the
grease bafe is removed.

It is the responsibility of
the store management to

maintain sufcient spares
of lter packs to avoid

prolonged shutdown of the

ventilator when this lter
pack is expended. Filter
packs cannot be cleaned.

Wells Manufacturing
assumes no liability for loss

of business due to lter

related shutdown.

5

AGENCY LISTING INFORMATION

This appliance conforms to NSF Standard 4 for sanitation only if
installed in accordance with the supplied Installation Instructions
and operated and maintained in accordance with the instructions in this
manual.

This appliance is ETL listed.

UL710B

Recirculating System

NSF

STD 4

INSTALLATION

NOTE: DO NOT discard

the carton or other packing

materials until you have
inspected the appliance for
hidden damage and tested it
for proper operation.
Refer to SHIPPING DAMAGE
CLAIM PROCEDURE on
the inside front cover of this
manual.

WARNING:

RISK OF INJURY

Installation procedures must

be performed by a qualied
technician with full knowledge

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

IMPORTANT:

Fire suppression system must

be charged and certied by an

authorized Ansul® distributor.
Ventilator will not operate and

cooking appliance will not be
energized until the Ansul® re

suppression system has been
charged.

UNPACKING & INSPECTION

Carefully remove the appliance from the carton. Remove all

protective plastic lm, packing materials and accessories from the

appliance before connecting electrical power or otherwise performing
any installation procedure.

Carefully read all instructions in this manual before starting any
installation.

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

Carefully account for all components and accessories before

discarding packing materials.

COMPONENTS

Per module:

4 ea. Leg Assemblies
1 ea. Grease bafe

1 ea. Filter pack
1 ea Grease cup

Ansul® components - must be installed by an authorized ANSUL®

distributor only:
1 ea. Fire suppression agent tank

1 ea. Fire suppression agent (Ansulex® Low pH) 1.5 gal.

1 ea. Fire suppression system charging cartridge

Store these components in a convenient place for later use.

IMPORTANT:

After cooking appliances

are positioned under the
hood, swivel nozzles must
be positioned per Ansul®
recommendations.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

6

INSTALLATION (continued)

SERVICE TECHNICIAN INSTALLATION NOTES

This ventilator hood is to be used with light-duty and medium-duty

electrically powered cooking appliances only.

• DO NOT attempt to use this ventilator hood with gas-red units.

• DO NOT use this ventilator hood with electrical appliances whose

dimensions or wattage characteristics exceed those dened in the
Under Hood Cooking Appliance Limitations, page 1.

Installation and start up must be performed by an Authorized
Installation Company.

Ansul® Installer must complete the WARRANTY INITIATION form

(2M-303912) included with the unit for the warranty to begin, and record

installation particulars on the CUSTOMER SERVICE DATA form
located at the end of this manual.

IT IS THE RESPONSIBILITY OF THE INSTALLER TO verify that

this VENTILATOR installation is in compliance with the specications

listed in this manual, with local code requirements, and in accordance
with the STANDARD FOR VENTILATON CONTROL AND FIRE
PROTECTION OF COMMERCIAL COOKING OPERATIONS as
detailed in N.F.P.A 96 (current edition).

NOTE: Certain codes require FRYERS to be restrained with a
TETHER or other RESTRAINT DEVICE. If this ventilator is to be used

with a fryer, it is the RESPONSIBILITY OF THE INSTALLER to check

with the AUTHORITY HAVING JURISDICTION, in order to ascertain

the applicability of this requirement to this specic installation . Any
restraint device must allow access to the back and sides of the unit to

provide for servicing and maintenance, and must not interfere with the

operation of the re suppression system.

DANGER:

SUFFOCATION HAZARD

Do not attempt to use this

ventilator with gas-red units.

This ventilator will not remove
products of combustion.
Unvented exhaust gasses
can be deadly.

WARNING:

SHOCK HAZARD

All servicing requiring ac­cess to non-insulated elec­trical components must be
performed by a factory
authorized technician.
DO NOT open any access
panel which requires the use
of tools. Failure to follow this
warning can result in severe

electrical shock.

CAUTION:

RISK OF
DAMAGE

SETUP

Setup the appliance only on a rm, level, non-combustible surface.

Verify local codes for requirements. Concrete, tile, terrazzo or metal
surfaces are recommended. Metal over combustible material may not
meet code for non-combustible surfaces.

Verify vertical clearances. Unit requires a minimum of 96” (oor to

overhead) to allow for adequate air circulation and replacement of

lters. Combustible object from the top must be 99” or higher, or 3”

above the unit while the control panel door is open.

Verify that the unit sits rmly on all legs or casters depending on your
model. With a spirit level, check that the appliance is level front-to­back and side-to-side. With the adjustable legs, adjust as required
to level the appliance. In order to prevent tipping or deection, legs
must be adjusted such that all legs are in rm contact with the oor.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

7

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.

IMPORTANT:

If a remote pull station is to
be used, ventilator cannot be

moved without rst disabling

the remote pull station.
Contact your Ansul® agent

for details.

INSTALLATION (continued)

DANGER:

SUFFOCATION HAZARD

Do not attempt to use this
ventilator with gas-red units.
This ventilator will not remove
products of combustion.
Unvented exhaust gasses
can be deadly.

WARNING

SHOCK HAZARD

Electrical connections must
be made by a licensed
electrician.

CAUTION:

FIRE HAZARD
HEALTH HAZARD

The cooking appliance must
be connected to the cooking

appliance contactor, the
control circuit of which is
controlled by the ventilator.

Failure to control cooking

appliances will provide no
protection in the event of a

re, nor will cooking vapors

and odors be contained in
the event of ventilator hood
malfunction.

CAUTION:

SHOCK HAZARD

The ground lug of this
appliance must be connected
to a suitable building ground.

IMPORTANT:

Contact a licensed electrician
to install and connect electrical
power to the appliance.

IMPORTANT:

Damage due to being
connected to the wrong
voltage or phase is NOT
covered by warranty.

ELECTRICAL INSTALLATION

The ventless hood system is rated 208/240 volt single phase and requires a

15 amp electrical circuit for hood operation. A 208/240 volt 3 pole contactor is

provided for electrical supply and appliance interface connection. The ground
lug adjacent to the supply connection contactor must be connected to a
suitable building ground. All under hood appliances must be controlled by the
appliance interface. This interface will disable all under hood appliances in the

event the hood is switched off, the required lters are not in place, the airow
is less than the required minimum or the re suppression system is activated.

The supply connection and appliance interface contactor is located in the

electrical box below the Ansul re suppression mechanical actuator. Access

is provided through the front lift off door. This electrical box also houses a dry

contact relay for connection to a building re alarm system. Both Normally

Open and Normally Closed contacts are provided. The installation and all
connections shall be in accordance with the National Electric Code NFPA 70. It

is the responsibility of the electrical contractor to provide suitable wiring, exible

or rigid conduit, and an appropriate strain relief. Overcurrent protection must be
provided for all circuits.

SUPPLY CONNECTIONS

Under hood appliances with a load of less than 30 amps can be controlled
directly by the supply connection contactor. Single phase supply connections
are made to contactor terminals L1 and L2. Three phase supply connections
are made to contactor terminals L1, L2 and L3. Appliance load connections are
made to contactor terminals T1, T2 and T3. See equipment interface option 1.

Appliances rated more than 30 amps must be controlled by a customer

supplied contactor. This contactor must be a UL listed, denite purpose

AC resistive air heating type, suitable for the appliance load. Single phase
connection to the hood is made to supply connection contactor terminals L1
and L2. Customer supplied contactor control circuits rated 208 or 240 volt AC
can be connected to contactor terminals T1 and T2. See equipment interface
option 2.

Customer supplied contactors with control circuits rated other than 208 or 240
volt AC can be controlled through single pole single throw switched contactor

terminals L3 and T3. See equipment interface option 3.

The ventilator will operate properly, and the control relay will be
energized, only when:

1. The VENTILATOR POWER SWITCH is “ON”.

2. The Ansul® Fire Suppression System is charged and armed.

3. The grease bafe and lter pack are in position and serviceable, and
the ventilator pressure sensing system is satised.

APPLIANCE CONNECTION OPTION 3

APPLIANCE CONNECTION OPTION 1

MAXIMUM APPLIANCE LOAD 30 AMP

POWER TO APPLIANCES

T1 T2 T3

SUPPLY AND
INTERFACE
CONTACTOR

L1 L2 L3

208-240 VAC SUPPLY
SINGLE PHASE L1-L2

THREE PHASE L1-L2-L3

APPLIANCE CONNECTION OPTION 2

208/240 VOLT AC CONTROL CIRCUIT

APPLIANCE CONTACTOR

COIL CIRCUIT

T1 T2 T3

SUPPLY AND
INTERFACE
CONTACTOR

L1 L2 L3

AC SUPPLY

208-240 V
SINGLE PHASE L1-L2

CONTROL CIRCUITS OTHER THAN

T1 T2 T3

SUPPLY AND
INTERFACE
CONTACTOR

L1 L2 L3

208-240 V
SINGLE PHASE L1-L2

208/240 VOL

AC SUPPLY

T AC

L3-T3

SINGLE POLE

SINGLE THROW

SWITCHED
CONTACTS
NORMALLY

OPEN

IL2997

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

8

INSTALLATION (continued)

INSIDE OF HOOD

LOOKING UP

(FILTERS REMOVED)

212ºF

FUSIBLE LINK

FIXED

DISCHARGE

NOZZLES

SWIVEL

DISCHARGE

NOZZLE

INSIDE OF

HOOD

165ºF

FUSIBLE LINK

IL1817a

FIRE SUPPRESSION SYSTEM INSTALLATION

FIRE SUPPRESSION SYSTEM is comprised of a container of

Ansulex® Low pH liquid re suppression media and a system

pressurization canister, plus associated plumbing. Actuation controls
are located behind the front access panel.

Two FUSIBLE LINKS are utilized for automatic actuation of the re

suppression system. Additionally, the hood is supplied with a MANUAL
PULL STATION, which must be set-up at the time of installation by an
authorized Ansul® distributor.

The MANUAL PULL STATION allows for for manual emergency

shutdown of cooking appliance power, and actuation of the re

suppression system.

Three NOZZLES disperse the re suppression media. Two inner

nozzles protect the fan and plenum. The third, front mounted, nozzle is

swivel mounted, and must be directed toward the cooking surface of the
installed cooking appliance.

If the ventilator is situated such that the supplied manual pull station
cannot be installed or is not readily accessible, a REMOTE MANUAL
PULL STATION may be required by local codes. Any such remote
manual pull station must be installed by an authorized Ansul®
distributor in accordance with the AUTHORITY HAVING JURISDICTION

When the re suppression system discharges, the cooking appliance
contactor is de-energized; and, the re suppression media is

discharged. Fire supression media will form an emulsion designed to

both smother and cool the fuels in/on the cooking appliance.

Two fusible links are used to detect re. One (165ºF) is located
between the grease bafe and lter pack, and is for protection from
a cooking appliance re. The other (212ºF) is located in the lter
plenum, and will protect against a re in the plenum. Either link melting
will discharge the re suppression media through all nozzles, disable
the cooking appliance and cause a buzzer to sound.

The MANUAL PULL STATION and any similar REMOTE MANUAL

PULL STATION will activate the re suppression system when the ring

on the pull station is pulled to its full extent.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

DANGER

FIRE HAZARD

Fire suppression system must

be charged and certied by an

authorized Ansul® distributor.
DO NOT attempt to modify or

bypass the re suppression

system.

An uncontrolled re can cause

serious injury or death.

NOTE:

If the re suppression system

is discharged, a buzzer will
sound continuously. The unit will

remain inoperable until the re

suppression system is serviced,
recharged and reset by an
authorized Ansul® distributor.

Charging of the Ansul® Fire
Suppression system must be in
accordance with Ansul® Design,
Installation, Recharge and

Maintenance Manual, #418087.

NOTE:

If a REMOTE MANUAL PULL
STATION is installed, moving
the ventilator for any reason
may cause the Ansul® system to
discharge.

DANGER

BURN
HAZARD

Any additional remote pull station
must NOT be installed on the

front of the cooking appliances,

nor forward of the ventilator side
panels.

Discharge of the re

extinguishing system into hot
grease or oil may cause hot
foam to spill over from the

cooking surface or frypot.

Serious burns and other injuries
can result from contact with hot

oil and from slipping in spilled oil.

Manual pull station is factory
installed on the left side (facing
the unit. It may, however,
be relocated to the right side
of the ventilator hood by an
authorized Ansul® agent.

9

INSTALLATION (continued)

NOTE:

The GREASE BAFFLE
and FILTER PACK actuate
position switches when they
are properly positioned. They
must be properly installed

for the under hood cooking

appliance contactor to be
energized.

CAUTION

SLIP AND FALL
HAZARD

DO NOT operate any

cooking appliance unless the

grease cup is installed.

Moisture dripping onto oor

can cause a slip and fall
hazard.

FILTER INSTALLATION

1. Release two catches holding control panel/lter access panel. Lift the

panel and raise the Prop Panel Rod to support and secure the panel in
the raised position.

2. Note air ow direction arrow on lter pack. Remove old lter pack
and slide new lter pack fully into the appropriate slot. Verify that
the airow arrow points toward the fan.
Use the provided handle to raise and lower the lter pack.

3. Raise the panel and put the Prop Panel Rod back to its lowered

position, then lower the panel and secure the catches.

CONTROL PANEL/
FILTER ACCESS PANEL

PANEL SUPPORT

FILTER POSITION
SWITCH

A

FILTER PACK

IR

F

LO

W

FAN

GREASE BAFFLE
POSITION SWITCH

IL1818

GREASE BAFFLE and GREASE CUP INSTALLATION

1. Install grease bafe from front. Engage the bafe in the retainer
slot. Push up until the bafe bottom clears the lower lip of the
retainer, then lower the bafe into the bottom retainer

2. Install GREASE CUP into brackets below grease bafe.

Note: Failure to install GREASE CUP will allow grease and moisture

from GREASE BAFFLE to drop into hot cooking surfaces, creating

both a SAFETY HAZARD (hot oil splatter) and a HEALTH HAZARD

(contamination of the cooking surface or cooking oil).

10

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

OPERATION

IL1820

ON DURING POWER UP

Control Panel

ON

POWER
OFF

CHECK

FILTER

NOTE: Cooking appliances must be operated in accordance with the

manufacturer’s instructions.
During normal operation, VENTILATOR POWER ON (illuminated power

switch) will be the only light on the control panel that will be ON, when
the unit is operating properly.

If the CHECK FILTERS light illuminates, check both GREASE BAFFLE

and the HEPA AIR FILTER for proper installation.
If REPLACE FILTER light illuminates, replace FILTER PACK.

NOTE: REPLACE FILTERS light is a warning that lter pack is nearing

the end of its service life. The ventilator will continue to operate for
a period of time after REPLACE FILTER LIGHT turns ON to allow

continued operation through a peak period. However, lter pack must

be replaced within a short time period or it will clog, disabling the
ventilator.

If SERVICE REQUIRED light illuminates, lter pack is restricted to the
point of insufcient airow for proper operation or a malfunction has
occurred. Ventilator is shut down until the underlying clogged lter
situation has been corrected. Replace clogged item with a fresh lter
pack to correct the condition. Reset the unit by turning VENTILATOR
POWER SWITCH to OFF, then back to ON. If the SERVICE REUIRED

light remains on, contact a Wells Authorized Service Agent.
A failure of incoming electric power will cause a shut down of the unit.

Reset the unit by turning VENTILATOR POWER SWITCH to OFF, then

back to ON.

REPLACE

FILTER

SERVICE

REQUIRED

CAUTION:

HOT SURFACE

Exposed surfaces can be hot
to the touch and may cause
burns.

IMPORTANT:

The cooking appliance control

relay are disabled when
SERVICE REQUIRED light
is illuminated. Note that the
ventilator cannot operate if

the lter pack is removed.

It is the responsibility of
the store management to

maintain sufcient spares
of lter packs to avoid

prolonged shutdown of the

ventilator when this lter is

expended.

Filter packs cannot be

cleaned.
Wells Manufacturing

assumes no liability for loss of

business due to lter related

shutdown.

Operation Lights

There are two equipment lights that will be on during normal operation.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

11

CLEANING INSTRUCTIONS

CAUTION:

HOT SURFACE

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

PRECAUTIONS: Allow to cool

Cover frypot to prevent oil contamination

FREQUENCY: Weekly

TOOLS: Mild detergent, clean non-abrasive towels

NOTE: Ventilator section to be cleaned in conjunction with cooking

appliance. Refer to appliance user instructions for cleaning procedure.

1. Disconnect unit from electric power and allow to cool.

Cover cooking appliance to prevent oil contamination.

2. Remove GREASE BAFFLE, GREASE CUP.

3. Empty GREASE CUP into an appropriate grease collection receptacle.

4. Clean GREASE BAFFLE, GREASE CUP and in a sink or dishwasher

using mild detergent and warm water.

5. Dry components with a clean non-abrasive cloth.

Reinstall GREASE BAFFLE, GREASE CUP in ventilator.

6. Wipe exterior of ventilator with a clean cloth moistened with warm
water and mild detergent. Rinse by wiping with a clean cloth
moistened with warm water.

7. Uncover the cooking appliance and reconnect unit to electric power.

Procedure is complete

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

12

CLEANING INSTRUCTIONS

PRECAUTIONS: Allow to cool

Cover cooking surfaces and frypots to prevent
contamination.

FREQUENCY: Monthly

TOOLS: Mild detergent, clean non-abrasive towels

NOTE: Ventilator section to be cleaned in conjunction with cooking

appliance. Refer to appliance user instructions for cleaning procedure.

1. Disconnect unit from electric power and allow to cool.

Cover cooking applaince to prevent oil contamination.

2. Remove GREASE BAFFLE, GREASE CUP, and FILTER PACK.

3. Wipe interior of ventilator with a clean cloth moistened with warm
water and mild detergent. Rinse by wiping with a clean cloth moistened
with warm water. DO NOT clean by spraying.

4. Dry ventilator thoroughly with a clean non-abrasive cloth.

Reinstall FILTER PACK, GREASE BAFFLE, GREASE CUP.

5. Uncover the cooking appliance and reconnect unit to electric power.

Procedure is complete

CAUTION:

HOT SURFACE

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

CAUTION:

SHOCK HAZARD

DO NOT splash or pour water
or grease onto control panel.

IMPORTANT:

DO NOT wash FILTER

PACK. Washing these lters

will clog them, and cause

installed cooking appliance

to be disabled.

IMPORTANT:

DO NOT clean interior
of ventilator by pressure
spraying.

Spraying can contaminate the

cooking appliance, and may

cause internal damage to the
ventilator blower, operation

proong system and/or re

suppression system.
Clean by wiping only.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

13

TROUBLESHOOTING SUGGESTIONS

Problem Possible Cause Suggested Remedy

Unit will not operate

(no indicators lights lit) Reset circuit breaker for unit

Unit will not operate

(buzzer sounds)

CHECK FILTER light lit Filter pack or grease bafe not in position Properly install lter pack and grease bafe

REPLACE FILTER light lit Filter pack nearing end of service life Arrange to replace lter pack in a timely manner

SERVICE REQUIRED light lit (cooking
appliance not operating)

NOTE:
FILTERS are the only user serviceable components in this ventilator hood system. For all problems that cannot be remedied by

servicing the lters, contact:

Ventilator section - authorized Wells service agency
Fire suppression system - authorized Ansul® distributor

Disconnected from electric power

Fire suppression system not set Contact an authorized Ansul® distributor for repairs

Filter pack plugged Replace lter pack

Fire damper in exhaust collar has closed Contact an authorized Wells service agent for repairs

One or more vacuum sensing lines or ports plugged, or
sensing line dislodged.

NOTE: If, after 10 seconds, there is insufcient airow for proper operation, SERVICE REQUIRED light will

illuminate and under-hood appliance (s) will be de-energized.

Press VENTILATOR POWER SWITCH to OFF, then back to ON to reset system.

Reconnect to electric power

Contact an authorized Wells service agent for repairs

IMPORTANT:

Contact ANSUL® for re suppression system installation, set-up and service:

Ansul Incorporated 1-800-TO-ANSUL (1-800-862-6785)

One Station Street

Marinette, WI 54143-2542 website http;//www.ansul.com

IMPORTANT:

Parts used in the Ansul® re suppression system are not serviceable by the owner/operator.
Procedures for servicing re suppression equipment are described in:

ANSUL® R-102 SYSTEM DESIGN, INSTALLATION, RECHARGE AND MAINTENANCE MANUAL

(418087, current edition)

NOTE:

ANSUL® Manual 41807 and Wells Bulletin 301646 are intended for use by authorized Ansul® service
personnel only.

14

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

REQUIRED MAINTENANCE

USE AND MAINTENANCE SHALL BE IN ACCORDANCE WITH THE
STANDARD FOR VENTILATION CONTROL AND FIRE PROTECTION
OF COMMERIAL COOKING OPERATIONS, N.F.P.A. 96 (current
edition).

3-MONTH MAINTENANCE:
Thoroughly clean entire HOOD PLENUM and BLOWER section.

6-MONTH MAINTENANCE:
Inspection and testing of total operation including FIRE DAMPER and

all SAFETY INTERLOCKS shall be performed by qualied service

personnel.
All FIRE SUPPRESION SYSTEM actuation components including

MANUAL PULL STATION and any REMOTE MANUAL PULL STATION
must be inspected for proper operation in accordance with the
maintenance schedule published in
INSTALLATION, RECHARGE AND MAINTENANCE MANUAL (418087).

ANNUAL (12-MONTH) MAINTENANCE:
FIRE SUPRESSION SYSTEM FUSIBLE LINKS must be replaced.
NOZZLES and MANUAL PULL STATION must be cleaned in

accordance with
RECHARGE AND MAINTENANCE MANUAL (418087).

ANSUL® R-102 SYSYTEM DESIGN, INSTALLATION,

ANSUL® R-102 SYSTEM DESIGN,

IMPORTANT:

Per NFPS 96, a signed and
dated VENTILATOR HOOD
MAINTENANCE LOG
must be maintained on the
premises, and be made
available for inspection by the
authority having jurisdiction
upon request.

IMPORTANT:

Should the re suppression

system discharge, all
lines and nozzles must be
thoroughly cleaned prior to
recharging the system.

Be sure to note such cleaning
on the hood maintenance log.

Residual re suppression

media may compromise the

ow and dispersion of re

suppression media in any
subsequent activation.

12-YEAR MAINTENANCE:
The FIRE SUPRESSION AGENT TANK must be HYDROSTATICALLY

TESTED, and the FIRE EXTINGUISHING AGENT must be REPLACED
in accordance with the maintenance schedule published in ANSUL®
R-102 SYSTEM (STANDARD UL 300 LISTED). This maintenance to be

performed by qualied Ansul® service personnel only.

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

15

WELLS BLOOMFIELD, LLC

IL2144

VENTILATOR HOOD OWNERS MONTHLY INSPECTION LOG

OPERATION AGENT DATE

Extinguishing system components:

In proper place and (visually in

good order

Manual pull station actuators for fire

Inspection shall be conducted on a monthly basis in accordance with

the manufacturer’s Operation Manual. At a minimum, this inspection

shall include verification of the following:

suppression system are obstructed

The maintenance log is in place

and up to date

No obvious physical damage or condition

exists that might prevent operation of the

The nozzle blow-off caps are in place

fire suppression system

and in good condition

14

The hood, duct and protection cooking

appliance have not been replaced,

modified or relocated

Clean plenum GREASE BAFFLE and

BLOWER (max. interval: 3 months)

Change PRE-FILTER and FILTER PACK

(as required)

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

WELLS BLOOMFIELD, LLC

IL2145

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

15

Replace fire damper fusible link:

rated @ 280ºF

Replace two (2) fire suppression

links at cooking appliance:

each link is rated @ 165ºF

Max interval: 12 months

ANSUL

ANSUL INCORPORATED

MATERIAL SAFETY DATA SHEET

MARINETTE, WI 54143-2542

®

Manufacturer’s
Name:

Address:

Prepared By:

ANSUL INCORPORATED

One Stanton Street, Marinette, WI 54143-2542

Safety and Health Department

SECTION 1 - IDENTITY

Comm on Name (Used on Label):
(Trade Name and Synonyms)

Chemical
Name:

Formula:

N/A T his is a M ixture

N/A

ANSULEX Low pH Liquid Fire S uppressant

SECTION 2 - INGREDIENTS

PART A - HAZARDOUS INGREDIENTS

Principal Hazardous Component(s) (chemical and common name(s)):

None

ANSULEX Low pH

QUICK IDENTIFIER (In Plant Common Nam e)

Em ergency
Telephone No.:

Other Information
Ca lls:

Date Prepared:

CAS No.:

Chemical

W t.%

Fa mily :

CAS No.

CHEMTREC

[phone] or [phone]

[phone]

February 1, 1999

N/A

M ixture

ACGIH TLV

Acute Toxicity D ata

N/A N/A N/A N/A

PART B - OTHER INGREDIENTS

Other Component(s) (chemical and common name(s)):

Proprietary Mixture of Organic and Inorganic Salts

Phosphoric Acid 0.2

ED TA

Yellow-Green Fluorescent Dye 0.011

Water

W t.%

48.0 - 50.0

0.6 5

Approx. 50.0

CAS No.

N/A

7664-38-2

64--0 2-8

518-47-8

7732-18-5

ACGIH TLV

N/E

N/E

N/E

N/E

N/E

SECTION 3 - PHYSICAL AND CHEMICAL CHARACTERISTICS (Fire and Explosion Data)

Bo iling
Point:

Percent Volatile
by Volume (%):

Solubility
in Water:

Appearance
and Odor:

Flash Point:

Special Fire
Fighting Procedures:

Unusual Fire and
Explosion Hazards:

113 ºC

Approx. 50.0

Vapor Density:
(Air = 1):

1.0 3

100%

Fluorescent Yellow Colored Liquid, Mild Odor

None to boiling

Flammable Limits
in Air % by Volume:

N/A

NONE - THIS IS AN EXTINGUISHING AGENT

None

Specific
Gravity (H O =1):

2

Evaporation Rate:
(Butyl Acetate=1):

Rea ctivity in
Wa ter:

Extinguisher
Media:

1.3 3

Approx. 0.005

Mild exothermic reaction

N/A N/A

Vapor Pressure
(mm Hg):

Auto-Ignition
Temperature:

SECTION 4 - PHYSICAL HAZARDS

Stability:

Incompatibility
(Materials to Avoid):

Hazardous
Decomposition Products:

Hazardous
Polymerization:

W ill Not Occ ur

Unstable

Stable

Reactive Metals, ClF , electrically energized equipment, any m aterial reactive with water.

Not established, acrid fumes.

May O ccur

Conditions
to Avoid:

Conditions
to Avoid:

N/A

3

N/A

Acute Toxicity D ata

NDA

NDA

NDA

Ora l LD (rat)

6800 mg/kg

NDA

Not Determined

50

16

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

SECTION 5 - HEALTH HAZARDS

ANSULEX Low pH (continued)

Threshold

ANSUL INCORP ORATED, ONE STANTON STRE ET, MAR INETTE, WI 54143-2542 Form No. F-90160-6 ©1999 Ansul Incorporated

503 p/n 2M-304989 Owners Manual WVF-886 Ventless Fryer

Limit Value:

Routes of Entry:

Eye Contact:

Skin Contact:

Inhalation:

Ingestion:

Signs and

Sym ptoms:

Medical Conditions Generally

Aggravated by Exposure:

Chemical Listed as

Carcinogen or Potential:

SECTION 6 - EMERGENCY AND FIRST AID PROCEDURES

Eye Contact:

Skin Contact:

Inhalation:

Ingestion:

SECTION 7 - SPECIAL PROTECTION INFORMATION

Respiratory Protection

(Specify Type):

Ventilation:

Pro tective

Gloves:

Othe r Protectiv e

Clothing or Equipment:

None Established

Irritant

Irritant

Not an expected route of entry. Can be irritating to mucous membranes.

Irritating to mucous mem branes. Acute Oral LD (Sprague-Dawley rats) 825.5mg/kg.

Acute Exposure: Material irritates skin, eyes, and mucous membranes.

Chronic Exposure: None known.

50

None known.

National Toxicology
Program:

Flush and irrigate with water for 15 minutes while holding eyelids open.

If irritation persists, seek m edical attention.

Yes

No

I.A.R .C
Monographs:

Yes

No

OSHA

Yes

No

Wash thoroughly with soap and water. If irritation persists, seek medical attention.

Fresh air if symptoms occur. If irritation persists, seek medical attention.

Dilute by drinking large quantities of water.

N/A

Local
Exhaust:

N/A N/A

Rubber gloves for spill/leak

Mechanical
(General):

Eye
Protection:

Chemical goggles recommended during

spill/leak procedures.

Eye wash and safety showers are good safety practice.

SECTION 8 - SPECIAL PRECAUTIONS AND SPILL/LEAK PROCEDURES

Precautions to be taken

in Handling and Storage:

Other

Precautions:

Steps to be taken in Case

Material is Released or Spilled:

Waste Disposal

Methods:

Store in original container. Keep tightly closed. Keep separate from acid.

See incom patibility information in Section 4.

Stop leaks. Contain spills. Remove as much as possible. Place in closed container for proper disposal

Wash spill area with large amounts of water to remove traces and neutralize.

Dispose of in compliance with local, state and federal regulations.

HAZARDOUS MATERIAL IDENTIFICATION SYSTEM

HAZARD I NDEX

4 SEVERE HAZARD 0 HEALTH
3 SERIOUS HAZARD
2 MODER ATE HAZARD 0 FLAMMABILITY
1 SLIGHT HAZ ARD
0 MINIMAL HAZARD 0 REACTIVITY

N/A = Not Applicable NDA = No Data Available N/E = Not Established

ANSUL and ANSULEX are registered trademarks.

Internet Address: http://www.ansul.com

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

17

WIRING DIAGRAM

POWER

SWITCH

VACUUM

SWITCH

(SHUTDOWN)

6

5

4

2

31

BUILDING

ALARM RELAY

L1 L2 L3

T1

T2 T3

N.C.

N.O.

C

1

4

3

2

CHECK FILTERS

LIGHT (AMBER)

REPLACE FILTERS

LIGHT (AMBER)

SERVICE REQ

LIGHT (RED)

COM

12V

208 / 240V

COM

MTR

BUZZER

#1

#1

#4

#5

#2

#15

#3

#6

#26

#26

#12

#24

#23

#22

#13

#18

#21

#12

#12

#16

#20

#11

#10

#14

#14

#15

#27

#8

#7

#9

#12

#6

#6

#19

#25

#5

#17

2M-Z18098 REV C 5-6-2015

12V LED APPLIANCE

LIGHTS

BAFFLE FILTER

INTERLOCK

FILTER PACK

INTERLOCK

WVU-26 208/240V 50/60 HZ

#19

#22

#13

#18

#28

#20

#17

#17

#25

BLUE

WHITE

#29

#30

#29

#30

L1 L2 L3

T1 T2 T3

POWER TO APPLIANCES

208-240V

AC SUPPLY

SINGLE PHASE L1-L2

THREE PHASE L1-L2-L3

CONNECTION OPTION 1

MAXIMUM APPLIANCE LOAD 30 AMP

L1 L2 L3

T1

T2 T3

APPLIANCE CONTACTOR

COIL CIRCUIT

208-240V

AC SUPPLY

SINGLE PHASE L1-L2

CONNECTION OPTION 2

208/240 VOLT AC CONTROL CIRCUIT

L1 L2 L3

T1 T2 T3

L3-T3

SINGLE POLE

SINGLE THROW

SWITCHED

CONTACTS

NORMALLY

OPEN

208-240 VAC SUPPLY

SINGLE PHASE L1-L2

CONNECTION OPTION 3

CONTROL CIRCUITS OTHER THAN

208/240 VOLT AC

SUPPRESSION

SWITCH

N.C.

N.O.

C

C

C

C

N.O.

N.O.

N.O.

N.C.

N.C.

N.C.

VACUUM SWITCH

(REPLACE FILTER)

(NEUT.)

TIMER

N.O.

TRANSFORMER

SUPPLY AND

INTERFACE

CONTACTOR

SUPPLY AND

INTERFACE

CONTACTOR

208-240 V

AC SUPPLY

SEE SUPPLY

CONNECTION OPTIONS

SUPPLY AND

INTERFACE

CONTACTOR

SUPPLY AND

INTERFACE

CONTACTOR

3

2

1

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

20

EXPLODED VIEW: WVU-26

MAINTENANCE COMPONENTS

1

2

3

4

SK2766, Rev. - 3/17/14

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

5

Model: WVU26 Maintenance Parts

Fig No. Part No Description

1 N1-307923 FILTER ASSY WVU
2 2I-Z19216 FILTER BAFFLE GREASE WVU
3 N1-Z18095 BRACKET, GREASE TRAY
4 N1-Z13496 TRAY, GREASE
5 N1-WL0586 ASM. ANSUL ACCESS DOOR

21

EXPLODED VIEW: WVU-26

MAIN ASSEMLBY

2

1

2

3

4

5

9

2

10

11

12

13

7

8

2

23

24

6

14

22

5

2021

19

16

17

18

15

See Detail

A

16

34

5

25

26

27

3

28

33

32

31

30

29

Model: WVU-26, Universal Hood

Main Assy

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

SK2767, Rev. A 7/23/15

22

PARTS LIST: WVU-26 MAIN ASSEMBLY

MAIN ASSEMBLY

Model: WVU-26 Main Assy

Fig No Part No Qty Description

1 N1-WL0581 1 PANEL,TOP REAR ASSY

2 2C-35487 43 SCREW 8-32X5/16 PH TR HD

3 2C-31730 86 SCREW 8-32X1/2 PH TR HD M

4 N1-Z18088 1 PANEL, TOP COVER

5 2C-31053 50 NUT 8-32 KEPS MS NICKEL

6 N1-Z13472 1 COVER, WIRE TOP PANEL

7 N1-Z13491 1 PLATE, CONDUIT MOUNT

8 CONDUIT

9 N1-WL0579 1 PANEL,CONTROL TOP ASSY

10 2E-305295 1 SWITCH ROCKER 250V 10A GR

11 2M-306719 1 LOGO WELLS DIECAST SHIELD

12 2M-Z18096 1 GRAPHIC PANEL, WVU-26

13 2C-307939 2 LATCH DRAW SS

14 N1-Z18102 1 MNT.PLATE,CONTROL LIGHTS

15 N1-WL0281 3 LED CLEAR W/ TERM ASSY.

16 2E-300407 2 SWITCH MANUAL ADVANCE ROT

17 2E-Z15018 1 TRANSFORMER, 208/240 12V

18 2E-Z14669 2 LED FLOODLIGHT, 45W CW

19 2A-305610 2 PIN HINGE DOOR OVENS

20 N1-Z13521 2 PLATE, PIN HINGE

21 2C-40612 16 SCREW 1/4-20X1/2 SL TR MS

22 2K-305619 2 BUSHING UPPER DOOR HINGE

23 N1-Z13471 2 BRACKET, HINGE

24 N1-Z18092 1 REAR PANEL

25 N1-WL0125 1 COVER ASSY, LEFT PLUMBING

26 N1-WL0126 1 BOX, MANUAL PULL ASSEMBLY

27 2O-308131 1 REMOTE PULL STATION RED

28 2A-307628 4 LEG 6 ADJ 1/2-13 SS

29 2C-307288 1 LUG GROUND SOLDERLESS 2-1

30 N1-Z18085 1 COVER,ELECTRICAL BOX

31 2E-44514 1 RELAY 208/240V COIL

32 2E-Z14960 1 CONTACTOR, 40A

33 N1-Z13423 1 CONTACT MOUNTING BRACKET

34 N1-Z13464 1 SWITCH BOX COVER

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

23

PARTS LIST: WVU-26

Main Assembly; Detail A

rsmith

14

1

2

3

4

5

6

8

7

9

10

11

12

Model: WVU-26 DETAIL A

Fig No Part Number Qty Descripon

1 M3-301193 1 SCREEN BLOWER COVER

2 N1-WL0117 1 DAMPER CAGE ASSY

3 2U-Z14025 1 BLOWER ASSY 208/240 1P CW

4 2K-301429 1 FTG COMPRESSION MALE ELBO

5 2k-47100 1 ADAPTER 1/4IIN QUICK CON

6 N1-Z13713 1 TUBE SIL.375ID X 60”

7 2E-Z17173 1 VACUUM SWITCH,REPLACE

8 2E-301379 1 VACUUM SWITCH, SHUTDOWN

9 2J-44834 1 BUZZER 220V ROHS

10 N1-Z17349 1 BRACKET, TIMER ADAPTER

11 2P-Z17415 1 TIMER,CUBE/ RELAY

12 2C-08-07-0042 2 SCREW 8-32X5/8 RHP STL NP

13 2J-302629 by foot HOSE .18” ID - .31”OD, Sold by Foot

14 2K-302630 2 TEE NYLON 3/16

13

DETAIL A

WVU-26

SK2768, Rev. - 3/19/14

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

24

ANSUL® SYSTEM COMPONENTS

ref. ADAPTER QUICK-SEL 3/8”
ANSUL® p/n 77284 (typical)

ref. NOZZLE 1W
ANSUL® p/n 419336

ref. NOZZLE 1W
ANSUL® p/n 419336

ref. NOZZLE 3N
ANSUL® p/n 419338

ref. TANK 1.5 GAL ANSULEX™
ANSUL® p/n 429864

ref. MOUNTING BRACKET
and RELEASE MECHANISM
R-102 ANSUL® p/n 79493

ref. CARTRIDGE LT-20-R
ANSUL® p/n 2O-47099

ref. PULLY ELBOW
ANSUL® p/n 423250
(typical)

(not shown)
MICROSITCH p/n 2E-47273
TERM BLOCK p/n 2E-33068

ref. (not shown)
ANSULEX™ EXTINGUISHING
AGENT 1.5 GAL.
ANSUL® p/n 79694

ref. SWIVEL ASSY.
ANSUL® p/n 418569

FUSIBLE LINK 212°F
p/n 2E-303037

FUSIBLE LINK 165°F
p/n 2E-302583

MANUAL PULL STATION
p/n 2O-301389

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

Seal with
teflon tape

Fiber washer
is always
on the inside

Seal with
teflon tape

Fiber
washer is always
on the inside

Conduit passes completely
through the fitting, and is sealed
with the compression washer
and nut.

wall of hood

wall of hood

INSIDE

OUTSIDE

CONDUIT

INSIDE

OUTSIDE

Cable sits in

groove in

pulley

A N SU L® p/ n 4 2 32 5 0

DE TA IL

AN SU L® p /n 77 28 4

DE TA IL

AN SU L® p /n 79 15 2

DE TA IL

IL2807 Rev. - 3/17/14

M521 p/n 2M-Z18099 OpM WVU- Universal Hood

25

WELLS MANUFACTURING

265 Hobson Street, Smithville, Tennessee 37166

telephone: [phone]

fax: [phone]

www.wells-mfg.com