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VWR International 1370GM User Manual

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MICROPROCESSOR
CONTROLLED OVENS
M
ODELS: 1330FM,1350FM,1370FM
1330GM,1350GM,1370GM
1330FMS,1350FMS,1370FMS
1330GMS,1350GMS,1370GMS
INSTALLATION 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 1370GM Specifications

General IconGeneral
Model1370GM
TypeGravity Convection Oven
Temperature Stability±0.5°C
ControllerDigital
Shelves2
Safety FeaturesOver-temperature protection
Power120V, 60Hz
Interior Dimensions18" x 18" x 18" (45.7 x 45.7 x 45.7 cm)

Summary

Receiving and Inspection

Inspection

Inspect for visible exterior damage upon delivery and note on the freight bill.

Accessories Verification

Confirm that all included accessories like leveling feet, shelves, and clips are present.

Return Shipment Procedure

Save shipping crate and contact customer service for authorization and shipping instructions.

Graphic Symbols

Installation

Power Requirements and Site Selection

Ensure correct power supply and choose an appropriate, spacious location.

Handling, Leveling, and Initial Cleaning

Follow safe lifting, leveling, and initial cleaning procedures.

Burning-In Process

Perform a burn-in process to remove element coatings before normal operation.

Precautions

Unit Design and Venting Precautions

Understand the importance of the vent damper and potential hazardous by-products.

General Operational Safety

Follow rules regarding work surfaces, noxious fumes, sealed containers, and electrical connections.

Specific Usage Restrictions

Avoid hazardous locations, patient connections, and handle mercury spills carefully.

Control Panel Overview

Power and Timer Switches

Understand the main power switch and the timer function switch.

Overtemperature Safety and Indicators

Learn about the safety thermostat, OTP light, and manual reset button.

Timer Control Interface

Familiarize with the digital display and controls for setting the timer.

Operation

Power Connection and Initial Setup

Connect power and perform initial setup including reset button and safety thermostat adjustment.

Setting and Calibrating Temperature

Learn how to set the desired temperature and calibrate the control for accuracy.

Timer Operation and Activation

Understand how to set the timer for hours, minutes, and activate the timed heating cycle.

Maintenance

Cleaning Procedures

Follow recommended steps for cleaning the oven chamber and components.

Storage Preparation

Steps to prepare the unit for storage, including drying and securing the door.

Electrical Component Check

Note that no maintenance is required on electrical components unless troubleshooting is needed.

Troubleshooting

Temperature and Control Issues

Diagnose problems with temperature regulation, stability, calibration, and control errors.

Heating, Power, and System Failures

Address issues with heating, power supply, fuses, unit startup, and system errors.

Mechanical and Operational Problems

Resolve faults related to motors, doors, smoking, contamination, and general operation.

Parts List

Unit Specifications for 1330 Units

Unit Specifications for 1350 Units

Unit Specifications for 1370 Units

Wiring Diagram "S" Suffix Models

Wiring Diagram FM / GM 110V Models

Wiring Diagram FM / GM 220V Models

Limited Warranty

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