Purpose of the Document
This document applies to the Liebert CR012 precision air conditioners and cooling solutions which maintain an
optimal environmental control mainly for testing laboratories, data center rooms and similar technological
systems at minimal operating costs. The figures used in this document are for reference only.
Please read this manual carefully.
Styling used in this Guide
The styles used in the manual will be defined as mentioned in the following table:
The Warning/Danger/Caution note indicates a hazardous or potentially harmful situation that can
result in death or injury. It also indicates instructions that need to be adhered to, failing which may
result in danger and safety issues thereby having an adverse effect on the reliability of the device
and security. Even for practices not related to physical injury, the content under the Warning
heading is used for precautions which need to be taken which, otherwise, could result in equipment
damage, performance degradation, or interruption in service.
The Note section indicates additional and useful information. It also calls attention to best practices
and industry-best protocols that are standardized and help make maximum utilization of the
resources at hand. Helpful information related to the product also comes under the Note heading,
helping the users with the definitions, concepts, and terminologies used in the manual.