Shellab SWB715-2 User Manual

WATER BATHS

MODELS: SWB2 / SWB2-2 SWB7 / SWB7-2

SWB15 / SWB15-2 SWB23 / SWB23-2

SWB715 / SWB 715-2

Previously known as

W2M / W2M-2,

W6M / W6M-2, W14M / W14M-2, W20M / W20M-2,

W614M / W614M-2

115v/220v and PC Models

MICROPROCESSOR CONTROLLED

INSTALLATION AND OPERATION MANUAL

Revised: November 13, 2013

4861626

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 61010-1:2004 + R:2005-07 + R:2008-10 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

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TABLE OF CONTENTS

INTRODUCTION ........................................................................................................................................... 4

General Safety Considerations ........................................................................................................ 4

RECEIVING YOUR UNIT .............................................................................................................................. 5

Inspection Guidelines ....................................................................................................................... 5

Returning Shipment.......................................................................................................................... 5

Recording Data Plate Information .................................................................................................... 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 ............................................................................................................................. 17

SCHEMATICS ............................................................................................................................................. 20

Microprocessor Control Water Baths

Section

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 equipment in a manner that prohibits access to power cord.  Do not attempt to move the unit during operation or before the unit has been allowed to cool.

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Model Number

Serial Number

Part Number

Voltage

Section

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) bath cover, two (2) for SWB715 & SWB715-2 (W614M W614M-2)  One (1) magnetic thermometer clip  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. See Recording Data Plate Information.

Recording 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

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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"

Indicates the power is “ON”

Repère de la position "MARCHE" de l'interrupteur d'alimentation

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

GRAPHIC SYMBOLS

Your unit is provided with a display of graphic symbols that should help in identifying user adjustable components.

Table 2. Symbols

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Section

INSTALLATION

Your satisfaction and safety require a complete understanding of this unit. Read the instructions thoroughly and be sure all operators are given adequate training before attempting to put the unit in service.

This equipment must be used only for its intended application; any alterations or modifications will void your warranty. Local city, county, or other ordinances may govern the use of this equipment. If you have any questions about local requirements, please contact the appropriate local agency. The end user may perform installation.

Environmental Conditions

Under normal circumstances these units are intended for use indoors, at room temperatures between 18 and 40C, at no greater than 80% relative Humidity (at 25C) and with a supply voltage that does not vary by more than 10% from the data plate rating. This equipment should not be operated at an altitude exceeding 2000 meters. Installation category is II, pollution degree 2. Customer service should be

contacted for operating conditions outside of these limits.

Power Source

Check the data plate for voltage, cycle, and ampere requirements. If matched to your power source, plug the power cord into a grounded outlet.

Voltage should not vary more than ± 10% from the data plate rating. These units are intended for 50/60-HZ application. A separate circuit is recommended to prevent damage

to the unit due to overloading or circuit failure.

Location

In selecting a location, consider all conditions that might affect performance, such as heat from radiators, ovens, autoclaves, etc. Avoid direct sun, fast-moving air currents, heating and cooling ducts, and high traffic areas. Allow a minimum of 10 cm between the unit and any walls or partitions that might obstruct free airflow.

Lifting and Handling

These units are heavy and care should be taken to use appropriate lifting devices that are sufficiently rated for these loads. The unit should be completely restrained from tipping during lifting or transport. All moving parts such as trays or covers should be removed during transfer to prevent shifting and damage. The bottom of the unit is hot during operation as is the water in the tank. Always allow the unit to cool before attempting to move it.

Cleaning and Decontamination

In the event hazardous material is spilled onto or into the equipment appropriate decontamination must be carried out. If there is any doubt about the compatibility of decontamination or cleaning agents with parts of the equipment or with material contained, please contact the manufacturer.

Units are cleaned at the factory, but not sterilized. Remove any racks if assembled and clean the bath with a disinfectant that is suitable for your application. See MAINTENANCE for cleaning instructions and precautions.

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Section

CONTROLS OVERVIEW

This section provides an overview of the panel controls. See Figure 1 for an illustration of the panel controls.

Figure 1. Control Panel

Power Switch

The Green I/O (On/Off) power switch controls all power to the unit. It must be in the I position to be ON and the green power on light illuminated before any systems are operational. The on/off switch must remain easily accessible at all times. The W614M is equipped with separate switches for each tank.

Main Temperature Controller

This control is marked SET TEMPERATURE and consists of the digital display and UP and DOWN arrow pads for inputting set point temperatures and calibration. Separate controls are used on the W614M to control temperature in the respective tanks.

Fuses

The fuses are located at the back of the unit within the power inlet plug and 220v units also have a fuse holder located next to the inlet. The fuses act as a circuit breaker and will cut off power to the unit if there is an electrical surge or malfunction. The cause should be determined and corrected before placing the fuse. Fuses must be in place for the unit to operate.

Over Temperature Limit Thermostat (OTL)

This controller is marked “Set Over Temp Control” and is completely independent of the Temperature Controller. The OTL guards against any failure of the Temperature Controller that would allow the temperature to rise past set point. If the temperature rises to the OTL set point, the OTL takes control of the heating element and allows continued use of the water bath until the problem can be resolved or service can be arranged. The OTL is manually adjusted with a screwdriver or coin so accidental adjustment cannot occur. The W614M has separate controls for each of the tanks.

Heating Activated

This light is ON when the Temperature Controller has activated the heating element to reach and maintain set point.

Over Temperature Activated Light

This light is ON when the Over Temperature Limit Thermostat has been activated. Under normal operating conditions this light should never be on.

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Section

OPERATION

Warning: These baths are not intended for use as acid baths. Use as an acid bath will cause severe

damage to bath components and void your warranty. Do not use deionized water, tap water, or chemicals. USE DISTILLED WATER ONLY.

Attention : Ces bains d'eau ne sont pas conçus pour les acides. Utiliser un tel bain comme bain d'acide

l'endommagera gravement et annulera la garantie. Ne pas utiliser d'eau désionisée, d'eau du robinet ni de produits chimiques. UTILISER EXCLUSIVEMENT DE L'EAU DISTILLÉE.

Turning On the Unit

To turn on the unit, perform the following steps:

1. Check power supply against unit serial plate; they must match.

2. Plug service cord into the electrical outlet. If supplied with a detachable cordset, plug the female end into the unit inlet and the male plug into the power supply. Verify that units requiring a fuse have the fuse installed in the power inlet.

3. Fill bath to your required depth with DISTILLED WATER. DO NOT USE TAP WATER, DEIONIZED WATER, OR CHEMICALS. For singer or larger tank, normal depth is 5 ½ inches (14 cm), but depth must be at least 2 inches (5 cm) over the bottom of the rack. For shallow tank, normal depth is 2/3 full, but depth must beat least 2 inches (5 cm). Check water level frequently, add water to appropriate levels if needed. At higher operating temperatures, or under circumstances where a cover cannot be used, it will be necessary to check the water level more frequently.

4. Push the Main power switch to the ON position and turn the Over Temperature Limit Thermostat to its maximum position, clockwise.

Setting Main Temperature Control

To enter set point mode on the control, push and release either the Up or Down arrow pad one time and the digital display will start to blink from bright to dim. While blinking, the digital display shows the set point that can be changed using the UP or DOWN arrow pads. If the arrow pads are not pressed for five (5) seconds, the display will stop blinking and will revert to reading the actual temperature in the bath. Allow at least two (2) hours for the temperature to stabilize.

Warning: If the tank boils dry while containing plastic ware, the plastic can melt. If you intend to use

Attention : Si la cuve vient à s'assécher tandis qu' elle contient des ustensiles en plastique, le plastique

Calibrating the Main Temperature Control

We recommend that you calibrate your unit once it has been installed in its working environment and the chamber temperature has been stable at the set point for several hours.

Microprocessor Control Water Baths 9

test tube racks, remember that plastic coated wire racks may wear and expose metal that can cause damage. Preferably, use all plastic racks.

risque de fondre. Si des râteliers à tubes à essais constitués d'une ossature métallique gainée de plastique sont utilisés, prendre garde que le plastique peut fondre ou s'user et découvrir des parties métalliques risquant d'endommager différentes pièces. Il est préférable d'utiliser des râteliers à tubes entièrement en plastique.

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