Precision Compact Gravity
Convection Ovens
Model No.
PR305215G, PR305210G, PR305210GCN
PR305225G, PR305220G, PR305220GCN
LTM1879X1 • 8/4/09
Table of Contents
Introduction .................................................................................................................................................................. |
3 |
Product Overview .................................................................................................................................................. |
3 |
Safety Information ........................................................................................................................................................ |
4 |
Alert Signals .......................................................................................................................................................... |
4 |
Specifications .............................................................................................................................................................. |
5 |
Power Requirements ............................................................................................................................................ |
5 |
Overall Dimensions................................................................................................................................................ |
5 |
Chamber Dimensions ............................................................................................................................................ |
5 |
Volume .................................................................................................................................................................. |
5 |
Shipping Weight .................................................................................................................................................... |
5 |
Performance Characteristics ................................................................................................................................ |
5 |
Environmental Operating Conditions .................................................................................................................... |
5 |
Unpacking and Installation .......................................................................................................................................... |
6 |
Shipping Carton .................................................................................................................................................... |
6 |
Location ................................................................................................................................................................ |
6 |
Electrical Requirements ........................................................................................................................................ |
6 |
Installation.............................................................................................................................................................. |
7 |
Operation...................................................................................................................................................................... |
8 |
Start-Up ................................................................................................................................................................ |
8 |
Maintenance ................................................................................................................................................................ |
9 |
Replacement Parts .................................................................................................................................................... |
10 |
Wiring Diagrams ........................................................................................................................................................ |
11 |
Ordering Procedures .................................................................................................................................................. |
14 |
Warranty .................................................................................................................................................................... |
16 |
2
Introduction
Thank you for selecting Thermo Scientific products for your equipment needs.
Product Overview
The Thermo Scientific Precision Compact Gravity Convection Ovens are designed for use in hospitals, industry, and school laboratories—wherever there is a need for low-cost, yet reliable ovens for drying, sterilization, baking, evaporation or similar type work. They are ideal for drying glassware, drying and/or baking non-flammable crystalline chemicals, pre-heat- ing crucibles or other containers and drying filter paper strips or rounds.
The temperature range, controlled by a bimetallic thermostat on the front control panel, is from ambient +5ºC to 210ºC. A sheathed heater produces the unit’s heat and a pre-set highlimit bimetallic thermostat is standard on all models. A pilot light on the control panel indicates oven operation status.
Helping to retain chamber heat is one-inch thick insulation of semi-refractory fibers that is sandwiched between the double walls of the chamber. The interior walls of the chamber are aluminum and the shelves are steel wire as is the surface covering the heater area—all for more efficient distribution of heat.
These ovens are built for rugged performance and long life. Each has a durable powder coated cold rolled steel exterior. To inhibit rust the shelves are nickel-plated steel.
3
Safety Information
Alert Signals
Warning
Warnings alert you to a possibility of personal injury.
Caution
Cautions alert you to a possibility of damage to the equipment.
Note
Notes alert you to pertinent facts and conditions.
Hot Surface
Hot surfaces alert you to a possibility of personal injury if you come in contact with a surface during use or for a period of time after use.
These instructions contain important operating and safety information. The user must carefully read and understand these instructions before using the oven. Your unit has been designed to optimize function, reliability, safety and ease of use. It is the user’s responsibility to install the oven in conformance with local electrical codes.
4
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