Shellab SWBC22-2 User Manual
WATER BATHS
MODELS: SWBC22 and SWBC22-2
Previously designated as
WPC65 & WPC65-2
MICROPROCESSOR CONTROLLED
INSTALLATION AND OPERATION MANUAL
12/2013
4861565
These units are TUV CUE listed as water baths for professional, industrial or educational use where the
preparation or testing of materials is done at approximately atmospheric pressure and no flammable,
volatile or combustible materials are being heated. These units have been tested to the following
requirements:
CAN/CSA C22.2 No. 61010-1:2012
CAN/CSA C22.2 No. 61010-2-010 + R:2009
UL 61010A-2-010:2002
UL 61010-1:2012
EN 61010-1:2010
EN 61010-2-010:2003
IEC 61010-1:2010
IEC 61010-2-010:2003
Sheldon Manufacturing Inc.
P.O. Box 627
Cornelius, Oregon 97113
EMAIL: tech@Shellab.com
INTERNET: http://www.Shellab.com
PHONE: 1-800-322-4897 (503) 640-3000
FAX: (503) 640-1366
2 General Purpose Water Baths
3
TABLE OF CONTENTS
INTRODUCTION ........................................................................................................................................... 4
General Safety Considerations ........................................................................................................ 4
RECEIVING YOUR UNIT .............................................................................................................................. 5
Inspection Guidelines ....................................................................................................................... 5
Returning Shipment.......................................................................................................................... 5
GRAPHIC SYMBOLS .................................................................................................................................... 6
INSTALLATION ............................................................................................................................................. 7
Environmental Conditions ................................................................................................................ 7
Power Source ................................................................................................................................... 7
Location ............................................................................................................................................ 7
Lifting and Handling .......................................................................................................................... 7
Cleaning and Decontamination ........................................................................................................ 7
CONTROLS OVERVIEW .............................................................................................................................. 8
Power Switch .................................................................................................................................... 8
Main Temperature Controller ........................................................................................................... 8
Fuses................................................................................................................................................ 8
Over Temperature Limit Thermostat (OTL) ..................................................................................... 8
Heating Activated ............................................................................................................................. 8
Over Temperature Activated Light ................................................................................................... 8
OPERATION ................................................................................................................................................. 9
Turning On the Unit .......................................................................................................................... 9
Setting Main Temperature Control ................................................................................................... 9
Calibrating the Main Temperature Control ....................................................................................... 9
Setting the Overtemperature Limit Thermostat .............................................................................. 10
Bath Cover Assembly ..................................................................................................................... 10
MAINTENANCE .......................................................................................................................................... 11
Cleaning ........................................................................................................................................ 11
Disinfecting ................................................................................................................................... 11
Heating and Water Level ................................................................................................................ 11
Test-tube Racks ............................................................................................................................. 12
TROUBLESHOOTING ................................................................................................................................ 13
Service ........................................................................................................................................... 14
PARTS LIST ................................................................................................................................................ 15
UNIT SPECIFICATIONS ............................................................................................................................. 16
SCHEMATICS ............................................................................................................................................. 17
General Purpose Water Baths
Section
1
INTRODUCTION
Thank you for choosing a general purpose water bath. These units are not intended for use at hazardous or
household locations.
Before you use the unit, read this entire manual carefully to understand how to install, operate, and maintain the unit
in a safe manner. Your satisfaction with the unit will be maximized as you read about its safety and operational
features.
Keep this manual on-hand so it can be used by all operators of the unit. Be sure all operators of the unit are given
appropriate training before you put the unit in service.
Note: Use the unit only in the way described in this manual. Failure to follow the guidelines and
instructions in this manual may be dangerous and illegal.
General Safety Considerations
Your water bath and its recommended accessories have been designed and tested to meet strict safety
requirements.
For continued safe operation of your water bath, always follow basic safety precautions including:
Read this entire manual before using the water bath.
Be sure you follow any city, county, or other ordinances in your area regarding the use of this unit.
Use only approved accessories. Do not modify system components. Any alterations or modifications
to your water bath may be dangerous and will void your warranty.
Always plug the unit’s power cord into a grounded electrical outlet that conforms to national and local
electrical codes. If the unit is not grounded, parts such as knobs and controls may conduct electricity
and cause serious injury.
Do not connect the unit to a power source of any other voltage or frequency beyond the range stated
on the power rating overlay at the rear of the unit.
Do not modify the power cord provided with the unit. If the plug does not fit an outlet, have a proper
outlet installed by a qualified electrician.
Avoid damaging the power cord. Do not bend it excessively, step on it, place heavy objects on it. A
damaged cord can easily become a shock or fire hazard. Never use a power cord after it has become
damaged.
Do not position the equipment in such a manner as to make it difficult to disconnect power cord or
coupler.
Do not attempt to move the unit while in operation or before the unit has been allowed to cool.
General Purpose Water Baths 4
Model Number
Serial Number
Part Number
Voltage
Section
2
RECEIVING YOUR UNIT
Before leaving our factory, all units are packaged in high quality shipping materials designed to provide
protection from transportation related damage.
Once a unit leaves our factory, safe delivery becomes the responsibility of the carrier who is liable for loss
or damage to your unit. Damage sustained during transit is not covered under your unit warranty.
When you receive your unit, inspect it for concealed loss or damage to its interior and exterior. Should you
find any damage to the unit, follow the carrier’s procedure for claiming damage or loss.
Inspection Guidelines
Carefully inspect the shipping carton for damage. If the carton is damaged, report the damage to the
carrier service that delivered the unit.
If the carton is not damaged, open the carton and remove its contents. Verify that all of the following
equipment is included in the crate:
One (1) water bath
One (1) magnetic thermometer clip
One (1) circulating rack
One (1) power cord
Carefully check all packaging before discarding. Save the shipping carton until you are sure everything is
in order.
Returning Shipment
If you must return the unit for any reason, first contact your service representative for authorization. You
will be asked to provide the data plate information.
Once you have determined the unit is free from damage, locate the data plate at the back of the unit. The
data plate indicates your unit’s model number and serial number. Record this information below for future
reference.
Table 1. Data Plate Information
5 General Purpose Water Baths
Symbol
Identification
Indicates that you should consult your operator’s manual for further instructions.
Indique que l'opérateur doit consulter le manuel d'utilisation pour y trouver les instructions
complémentaires.
Indicates “Temperature”
Repère "température"
Indicates “Over Temperature Protection”
Signale un "dépassement de température"
Indicates “AC Power”
Repère "secteur AC"
I
Indicates the power is “ON”
Repère de la position "MARCHE" de l'interrupteur d'alimentation
O
Indicates the power is “OFF”
Repère de la position "ARRÊT" de l'interrupteur d'alimentation
Indicates “Protective Earthground”
Repère de la "terre de protection"
Indicates “Up” and “Down” respectively
Touches de déplacements respectifs vers le "HAUT" et le "BAS"
Indicates “Manually Adjustable”
Signale un élément "réglable manuellement"
Indicates “Potential Shock Hazard” behind partition
Signale un "risque potentiel d'électrocution" au-delà de la cloison.
Indicates “Hot Surface”
Signale une “surface à haute température”
Indicates “Unit should be recycled” (Not disposed of in land-fill).
Indique “l’appareil doit être recyclé“ (Ne pas jeter dans une décharge)
Section
3
Section
3
Section
4
GRAPHIC SYMBOLS
Your unit is provided with a display of graphic symbols that should help in identifying user adjustable
components.
Table 2. Symbols
6 General Purpose Water Baths
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