Instruction Manual

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About This Manual
This manual covers the operating and maintenance instructions for the following models:
Changes to this Manual
We have made every effort to ensure this manual is accurate. If you discover any errors, or if you
have suggestions for improving this manual, please send your comments to our Solon, Ohio fac-
tory. This manual may be periodically updated. When inquiring about updates to this manual
refer to the part number and revision on the title page.
Terminology
There are some unique terms used throughout this literature. They are defined here to clarify
any misunderstanding.
Introduction — Describes the features of the load resistor, lists equipment supplied and
optional equipment, and provides power-up instructions.
Theory of Operation — Describes how the load resistor works.
Installation — Describes the power supply and load connection instructions.
Operating Instructions — Describes the base level operation instructions.
Maintenance — Lists routine maintenance tasks as well as troubleshooting for common prob-
lems. Specifications and parts information are also included.
3126A 3127A 3128A