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VWR International 1327F User Manual

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ECONOMY
OVENS
M
ODELS: 1310, 1320, 1321F,
1324, 1325F, 1326, 1327F
I
NSTALLATION AND OPERATION MANUAL
Sheldon Manufacturing Inc. P.O. Box 627 Cornelius, Oregon 97113
EMAIL: tech@Shellab.com
INTERNET: http://www.Shellab.com/~Shellab
1-800-322-4897 (503) 640-3000 FAX (503) 640-1366
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VWR International 1327F Specifications

General IconGeneral
Temperature Stability±0.5°C
Shelves2
Voltage120V
Frequency50/60 Hz
Controller TypeDigital
MaterialStainless steel
Weight60 lbs (27 kg)

Summary

Receiving and Inspection

1.1 Inspection

Inspect for visible exterior damage upon delivery and note damage on the freight bill. Enter claim with the carrier.

1.2 Concealed Loss or Damage

Inspect for concealed loss or damage on the unit's interior and exterior. Carrier will arrange official inspection for claims.

1.3 Return Shipment

Save shipping carton. Contact customer service for authorization and provide data plate information for returns.

1.4 Accessories

Verify all equipment indicated on the packing slip is included. Check packaging before discarding for 2 shelves, 8 shelf clips, thermometer.

Graphic Symbols

2.1 Manual Reference Symbol

Symbol indicates consulting the manual for further description or discussion of a control or user item.

2.2 AC Power Symbol

Indicates AC Power.

2.3 Adjustable Temperature Symbol

Indicates Adjustable Temperature.

2.4 Manual Control Symbol

Indicates Manual Control.

2.5 Heating Symbol

Indicates Heating.

2.6 Over Temperature Symbol

Indicates Over Temperature.

2.7 Protective Earth Ground Symbol

Indicates Protective Earth Ground.

2.8 Potential Shock Hazard Symbol

Indicates Potential Shock Hazard.

2.9 Unit Recycling Symbol

Indicates the unit should be recycled and not disposed of in landfill.

Installation

3.1 Power Requirements

Ensure power source matches data plate voltage, cycle, phase, and ampere requirements. Voltage should not vary by more than 10%.

3.2 Location Considerations

Select an indoor location considering temperature, humidity, and airflow. Allow at least 10cm clearance from walls.

3.3 Lifting and Handling

Use appropriate lifting devices. Lift from bottom surfaces only. Restrain unit from tipping during transport.

3.4 Leveling the Unit

Unit must sit level and solidly. Use non-adjustable rubber feet. Ensure the counter surface is level.

3.5 Initial Cleaning

Remove interior parts. Clean chamber thoroughly with an appropriate disinfectant and rinse with a damp cloth.

3.6 Shelf Installation

Place shelves in the chamber at the desired position using the provided shelf clips. Ensure clips are installed at the same elevation.

Control Panel Overview

4.1 Power Switch Operation

The main power I/O switch controls all power to the oven. Must be in the ON position for systems to be operational.

4.2 Main Temperature Controller

Sets the oven temperature using an adjustment knob and graduated dial with 10 major increments.

4.3 Heating Activated Light

Green pilot light indicates when the heating element is activated and the oven is heating.

4.4 Over Temperature Thermostat

Independent control for safety temperature protection. Limits rise to approx. 10°C above the main set point.

4.5 Over Temperature Light

Red pilot light indicates when the Over Temperature Thermostat has activated. Should not be on during normal operation.

Precautions

5.1 Exhaust Damper Usage

The exhaust damper should be open during drying or degassing for best results.

5.2 Handling Combustible Gases

This oven is NOT explosion proof and is not designed to handle combustible gases. Do not place flammable materials inside.

5.3 Ventilation for Byproducts

Ventilate exhausts to the outside if byproducts are hazardous or unpleasant, following local regulations.

5.4 Sealed Containers

Do not place sealed or filled containers in the oven chamber to prevent pressure buildup.

5.5 Location Classification

This oven is NOT designed for use in Class I, II, or III locations as defined by the National Electrical Code.

5.6 Patient Connected Device

This oven is not intended or approved for use as a patient connected device.

Operation

6.1 Power Supply Connection

Ensure power supply is properly grounded and sized. Match voltage to data plate (within 10%). Connect cord set securely.

6.2 Initial Power On

Push power switch to ON. Turn Over Temperature Thermostat to maximum position.

6.3 Reference Thermometer Placement

Place reference thermometer through the exhaust port on top of the unit using the provided clip.

6.4 Setting Main Temperature

Set Main Temperature Controller knob to desired value. Allow one hour for stabilization and adjust as needed using reference thermometer.

6.5 Setting Over Temperature Thermostat

Set Over Temperature Thermostat to approx. 10°C above Main Temperature set point by adjusting knob until light goes off.

Maintenance

7.1 Cleaning Procedures

Clean oven interior regularly with appropriate disinfectant. Rinse with damp cloth. Avoid chlorine bleaches and abrasive cleaners.

7.2 Unit Storage

For extended shut down, clean and dry the chamber. Remove shelving and trays, lock door, and disconnect power for transport.

7.3 Electrical Components

No maintenance is required on electrical components. Refer to Troubleshooting for operational failures.

Troubleshooting

Temperature Too High

Check controller setting, controller failure, or wiring error. Contact customer service if controller failed or wiring is suspect.

Chamber Temp Spikes

Recalibrate the unit by adjusting the thermostat and controller settings as described in sections 6.3 and 6.4.

Temperature Too Low

Check thermostat, controller settings, unit recovery, element failure, or wiring. Verify pilot light indicates heating.

Unit Will Not Heat Over Set Point

Confirm amperage/voltage, set point high enough, sensor connections, and calibration. Adjust thermostat clockwise.

Unit Will Not Heat At All

Verify heating indicator light, check amperage, thermostat setting, and fuses/breakers. Contact customer service for controller issues.

Indicated Chamber Temperature Unstable

Check ambient conditions, exhaust stack, calibration sensitivity, or thermostat setting. Contact customer service for sensitivity issues.

Will Not Maintain Set Point

Assure set point is at least 5 degrees over ambient. Check ambient fluctuations or thermostat setting. Adjust as per section 6.5.

Door Not Sealing

Confirm that the door gasket is aligned properly and that the unit body is square and undamaged.

Unit or Wall Fuse/Circuit Breaker Blown

Check wall power source, compare current draw to data plate, and check other loads on the wall circuit.

Unit Will Not Turn On

Check wall power source, unit fuse/breaker, and wiring connections, especially around the on/off switch.

Unit is Smoking – Out of Box

Place unit under vent and run at full power for one hour to burn off manufacturing residues.

Contamination in Chamber

Refer to cleaning procedures in section 7.1. Develop SOP for specific applications, including cleaning and maintenance.

Parts List for Models 1310, 1320 & 1321F

Parts List Details

Lists descriptions, part numbers for 115V and 220V, including controls, heating elements, and accessories.

Unit Specifications - Weight and Dimensions

Provides shipping and net weight, exterior and interior dimensions for models 1310 and 1320.

Unit Specifications - Capacity and Temperature

Details cubic feet capacity, temperature range, and uniformity for models 1310 and 1320.

Parts List for Models 1324 & 1325F

Parts List Details (1324/1325F)

Lists descriptions, part numbers for 115V and 220V, including controls, heating elements, and accessories.

Unit Specifications - Weight and Dimensions (1324/1325F)

Provides shipping and net weight, exterior and interior dimensions for models 1324 and 1325F.

Unit Specifications - Capacity and Temperature (1324/1325F)

Details cubic feet capacity, temperature range, and uniformity for models 1324 and 1325F.

Parts List for Models 1326 & 1327F

Parts List Details (1326/1327F)

Lists descriptions, part numbers for 115V and 220V, including controls, heating elements, and accessories.

Unit Specifications - Weight and Dimensions (1326/1327F)

Provides shipping and net weight, exterior and interior dimensions for models 1326 and 1327F.

Unit Specifications - Capacity and Temperature (1326/1327F)

Details cubic feet capacity, temperature range, and uniformity for models 1326 and 1327F.

Wire Diagram for Models 1310 and 1320

Domestic Plug Styles

Illustrates NEMA 5-15P and NEMA 6-15P plug styles for domestic units.

CE Model Plug Styles

Illustrates CE model inlet plugs, filters, and IEC 320 inlet for European market units.

Circuit Diagram Components

Shows the wiring connections for ON/OFF switch, regulating control, safety control, and heating element.

Wire Diagram for Models 1324 and 1325F

Domestic Plug Styles (1324/1325F)

Illustrates NEMA 5-15P and NEMA 6-15P plug styles for domestic units.

CE Model Plug Styles (1324/1325F)

Illustrates CE model inlet plugs, filters, and IEC 320 inlet for European market units.

Circuit Diagram Components (1324/1325F)

Shows the wiring connections for ON/OFF switch, regulating control, safety control, and heating element.

Wiring Diagram for Models 1321, 1326, 1327F

Circuit Breaker and ON/OFF Switch

Diagram shows circuit breaker and ON/OFF switch connections for the unit.

Rotisserie and Speed Control

Illustrates wiring for rotisserie ON/OFF switch, gear motor, and speed adjustment.

Temperature Controller and Display

Shows connections for the digital display, temperature controller, thermal limit, and heating element.

Chamber Blower Motor

Diagram shows the wiring for the chamber blower motor.

Limited Warranty

Warranty Period and Coverage

Two-year warranty for defects in material and workmanship. Covers repair, replacement, or refund at manufacturer's election.

Warranty Exclusions and Void Conditions

Excludes labor charges outside U.S.A., damage from misuse, negligence, or alterations. Void if serial number is removed.

Disclaimer of Other Warranties

Disclaims all other warranties, express or implied, including merchantability and fitness for a particular purpose.

Information for Service

Provide Model, Serial No., and Part No. for fast and efficient support requests.

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