531
OWNERS MANUAL
MODEL
WVSW
VENTLESS
HOOD
For
CONVEYOR
WARMERS
Includes
INSTALLATION
USE & CARE
SERVICE
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.
p/n 305812 Rev. (-)
M531 012303 cps
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TABLE OF CONTENTS
WARRANTY
xi
SPECIFICATIONS
1
FEATURES & OPERATING CONTROLS
AGENCY LISTING INFORMATION
PRECAUTIONS & GENERAL INFORMATION
INSTALLATION
2
3
4
5
OPERATION
7
CLEANING INSTRUCTIONS
TROUBLESHOOTING SUGGESTIONS
SERVICE INSTRUCTIONS
PARTS & SERVICE
8
9
10
11
11
CUSTOMER SERVICE DATA
INTRODUCTION
Thank You for purchasing this Wells Manufacturing Co. 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 the information needed to properly install this appliance, and to use and care for the
appliance in a manner which will ensure its optimum performance.
SPECIFICATIONS
1
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FEATURES & OPERATING CONTROLS
WVSW VENTLESS HOOD
Fig. 1 Features & Operating Controls
2
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FEATURES & OPERATING CONTROLS (continued)
ITEM
DESCRIPTION
CANOPY
Removable canopies aid in vapor capture at entry and exit of the conveyor
warmer. Canopies hang from mounting pins at each end of the hood.
ELECTRICAL
EXHAUST
The hood plugs into a NEMA 5-15R (120V) or 6-15R (208/240V) receptacle
with a 6' power cord. An illuminated power switch on the front panel is used
to start/stop the hood fan.
The hood uses an exhaust fan to provide air movement. The fan exhausts
through a screened opening in the top of the hood.
IMPORTANT: DO NOT block exhaust opening.
FILTERS
The hood uses two filters. A high efficiency filter is used to capture
particulate emissions.
A charcoal filter is used to help control odors.
Filters are accessed by opening a hinged panel on the front (operator's)
side of the hood.
Filter operation is monitored by a vacuum switch. When the filter(s)
become loaded to the point of being unable to remove particulates, a front
panel "change filters" indicator will glow.
NAMEPLATE
TOP PANEL
Provides Manufacturer, Model and Serial Number information.
Also, provides electrical ratings.
CAUTION!
Electric Shock Hazard
Exposed Electric Circuits
Top panel must be opened ONLY by qualified personnel.
Allows access to interior components.
DO NOT stack anything on top of the hood.
AGENCY LISTING INFORMATION
This appliance conforms to NSF Standard 4 for sanitation only if installed
and maintained according to the instructions in this manual.
STD 4
This appliance is U Listed for 120V and 208 - 240V.
This appliance is V Listed for 120V and 208 - 240V.
IMPORTANT: For use with conveyor warmer of 9,000 watts maximum.
NOTE: This ductless hood has not been evaluated to the requirements of
NFPA 96.
Local jurisdictions may require additional evaluations for installation
of this product.
3
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PRECAUTIONS AND GENERAL INFORMATION
This appliance is intended for use in commercial establishments
only.
WARNING:
Electric
Shock hazard
This appliance is intended as a smoke and odor control device,
designed for use with specified warming equipment. No other use is
recommended or authorized by the manufacturer or its agents.
All servicing requiring
access to non-insulated
electrical components
must be performed by a
factory authorized
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.
technician.
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.
DO NOT open or remove
the top panel. Failure to
follow this warning can
result in severe electrical
shock.
Disconnect this appliance from electrical power before performing any
maintenance or servicing.
DO NOT submerge this appliance in water. 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 wash floor around
this appliance with water or steam jet.
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.
Exposed surfaces of this appliance can be hot to the touch and may
cause burns.
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.
This manual is considered to be a permanent part of the appliance.
This manual and 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.
CAUTION:
Hot Surface
Exposed surfaces can be hot
to the touch and may cause
burns.
This appliance is made in the USA. Unless otherwise noted, this
appliance has American sizes on all hardware.
4
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INSTALLATION
UNPACKING & INSPECTION
NOTE: DO NOT discard
the carton or other packing
materials until you have
inspected the hood for hidden
damage and tested it for
proper operation.
Refer to SHIPPING DAMAGE
CLAIM PROCEDURE on the
inside front cover of this
manual.
Carefully read all instructions in this manual before starting any
installation.
Carefully remove the hood from the carton.
IMPORTANT: Appliance weighs 92 lbs (42.7 kg). Use appropriate
care when removing from carton and installing on conveyor warmer.
Remove all protective plastic film, packing materials and accessories
from the hood before connecting electrical power or otherwise
performing any installation procedure.
Read and understand all labels and diagrams attached to the hood.
WARNING!
Risk of
Personal Injury
Carefully account for all components and accessories before
discarding packing materials. Store all accessories in a convenient
place for later use.
Installation procedures must
be performed by a qualified
technician with full knowledge
of all applicable electrical
codes. Failure can result in
personal injury and property
damage.
COMPONENTS:
HIGH EFFICIENCY FILTER
CHARCOAL FILTER
COMPONENTS SHIPPED SEPARATELY
CANOPY (2 ea)
ADAPTER TOP
CAUTION!
Risk of
Personal Injury
and Property
Damage
SETUP
The conveyor-style warmer requires an adapter top (shipped
separately) for mounting the hood. Place adapter top on warmer
before setting hood in place. Carefully place hood on top of warmer.
Orient hood so that power switch is on the same side as the power
switch of the warmer. Center hood over the body of the warmer as
shown in Fig. 2 below:
Unplug conveyor warmer and
allow to cool before beginning
installation.
IMPORTANT:
Maintain required clearances
of at least 6" between the
appliance and adjacent
combustible surfaces.
Avoid storing flammable or
combustible materials in, on
or near the appliance.
Fig. 2 Hood installation on warmer
Check high efficiency filter and charcoal filter for proper installation.
Charcoal filter slides into clips on the high efficiency filter. Airflow
marks must point "up".
Attach entry and exit canopies to pins on sides of hood. Canopies are
interchangeable and may be mounted at either end.
Maintain required clearances of at least 6" between the appliance and
adjacent combustible surfaces.
5
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INSTALLATION (continued)
ELECTRICAL INSTALLATION
WARNING!
Electric
Shock hazard
Refer to the nameplate. Verify the electrical power source. Voltage
and phase must match the nameplate specifications. Plugging the
hood into the wrong voltage can severely damage the unit .
All servicing requiring
access to non-insulated
electrical components
must be performed by a
factory authorized
Your hood is equipped with a grounded electrical cord. This cord
must be plugged into a properly grounded NEMA 5-15R (120V) or
NEMA 6-15R (208/240V) single phase receptacle.
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!
Electrical Shock
Hazard
The ground prong of the
power cord is part of a
system designed to protect
you against electric shock in
the event of internal damage.
DO NOT cut the ground
Fig. 3 Electrical Plug and Receptacle Configuration
prong (large round prong) or
twist a blade to make the plug
fit an existing receptacle.
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.
6
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OPERATION
OPERATING CONTROLS
Controls include a lighted POWER SWITCH and an amber REPLACE
FILTER indicator light.
Press POWER SWITCH to ON anytime conveyor warmer is operating.
When power is first turned on, the REPLACE FILTER light will glow.
As the fan comes up to speed and air flow is established, the REPLACE
FILTER light will go out.
If the REPLACE FILTER light does not go out, the filters must be
replaced. However, the fan will continue to operate when the
REPLACE FILTER light is lit.
Fig. 4 Operating Controls
FILTER REMOVAL AND INSTALLATION
CAUTION!
Personal Injury
Hazard
Disconnect power from hood and conveyor warmer before servicing
filters.
Disconnect power from hood
and conveyor warmer before
servicing filters.
Remove screw from filter access panel on front (operator's) side of
hood. Slide filter pack (high efficiency filter and charcoal filter) from
filter chamber.
IMPORTANT:
Slide new filter pack into filter chamber. Be sure airflow markings on
both filters point "up".
DO NOT store anything on
top of the hood.
Close access panel and reinstall screw.
DO NOT block the exhaust
opening.
IMPORTANT:
Filters are disposable. Never attempt to wash either filter.
Filters will absorb water if washed, causing food contamination and
possible equipment damage.
IMPORTANT:
Both the high efficiency and
charcoal filters must be in
place at all times during
operation.
Fig. 5 Filter Installation
7
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CLEANING INSTRUCTIONS
PREPARATION
Unplug hood and conveyor warmer
Allow to cool completely before cleaning
CAUTION!
Personal Injury
Hazard
FREQUENCY
TOOLS
Daily
Disconnect power from hood
and conveyor warmer before
cleaning.
Mild Detergent
Soft Cloth or Sponge
1. Disconnect power from hood and conveyor warmer before cleaning.
IMPORTANT: DO NOT spill
or pour water into controls,
control panel or wiring.
2. Remove entry and exit canopies. Canopies may be washed in a
sink or dishwasher. Rinse and dry canopies thoroughly.
DO NOT spill or pour water
into exhaust opening.
3. Wipe interior and exterior surfaces of hood with a soft cloth or
sponge dampened with water and a mild detergent.
DO NOT submerge hood in
water or wash with water or
steam spray. Damage to
internal components will
occur.
Damage to internal
components from water
damage is not covered by
warranty.
IMPORTANT:
Never attempt to wash either filter.
Filters will absorb water if washed, causing food contamination and
possible equipment damage.
4. Rinse all washed areas by wiping with a clean soft cloth dampened
with clean water. Dry with a soft cloth.
5. Reinstall entry and exit canopies.
Procedure is complete
8
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TROUBLESHOOTING SUGGESTIONS
SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION
Plug cord into appropriate power
receptacle.
No operation, no lights
Cord unplugged
Circuit breaker off or tripped
Damaged power cord or plug
Damaged power switch
Filters dirty
Reset circuit breaker
Replace power cord
Replace power switch
Replace filters
REPLACE FILTER light remains
lit (never shuts off)
If filters are clean
and fan is operating
New filter still in plastic wrapper
Exhaust opening blocked
Filter opening blocked
Vacuum hose kinked
Vacuum line plugged
Damaged vacuum switch
Fan jammed
Remove plastic wrapper
Clear or clean exhaust duct and
opening
Clear filter opening
Unkink vacuum hose
Clean or replace vacuum line
Replace vacuum switch
Unjam fan
If fan is not operating
Damaged motor start capacitor
Damaged fan motor
Replace start capacitor
Replace fan motor
9
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SERVICE INSRTUCTIONS
IMPORTANT:
VACUUM DIAGRAM
DO NOT store anything on
top of the hood.
DO NOT block the exhaust
opening.
Filter operation is monitored
by a vacuum switch and a
system of vacuum hoses.
The switch energizes the
REPLACE FILTER light if
airflow through the filters is
insufficient for efficient
operation. The light is a
warning only, and does not
control the operation of the
hood.
10
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PARTS & SERVICE
DESCRIPTION
PART NO.
IMPORTANT: Use only
factory authorized service
parts and replacement
HIGH EFFICIENCY FILTER 16 x 20x 4
22862
22403
filters
.
CHARCOAL (CARBON) FILTER 14 x 20 x 7/8
For factory authorized
service, or to order factory
authorized replacement
parts, contact your Wells
authorized service agency,
or call:
Wells Manufacturing Co
.
2 Erik Circle
P. O. Box 280
Verdi, NV 89439
phone: (775) 689-5700
fax:
(888) 492-2783
(Service Parts Dept.)
Service Parts Department
can supply you with the
name and telephone
number of the WELLS
AUTHORIZED SERVICE
AGENCY nearest you.
CUSTOMER SERVICE DATA
please have this information available if calling for service
RESTAURANT _____________________________ LOCATION _____________
INSTALLATION DATE ________________________ TECHNICIAN ___________
SERVICE COMPANY ________________________________________________
ADDRESS ___________________________ STATE ______ ZIP__________
TELEPHONE NUMBER (_____)_____-_________
EQUIPMENT MODEL NO. _______________
EQUIPMENT SERIAL NO. _______________
VOLTAGE: (check one)
120
208
240
11
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