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OVERVIEW OF MANUAL
The STS2 Installation, Operation and Maintenance Manual is organized in a logical progression so
that you can follow the procedures, in the order provided to get your STS2 installed and running.
Read the entire manual before proceeding with the unpacking and installation of the STS2.
The major sections are as follows:
Important Safety Instructions—review the instructions on the previous page before proceeding.
Support Information—a blank table in which you can enter pertinent data, such as the serial and
part numbers, which is needed when calling Liebert support.
Programmable Relay Board Settings Record—a blank table in which you can document your
Programmable Relay Board settings.
Input Contact Isolator Settings Record—a blank table in which you can document your Input
Contact Isolator settings.
1.0 - Safety Precautions—provides safety warnings that you must review before proceeding.
2.0 - Unpacking and Inspections—provides instructions for inspecting, unloading, handling and
removing the STS2 from the shipping pallet.
3.0 - Location Considerations—provides information regarding environmental considerations for
where the STS2 is installed.
4.0 - Locating the STS2—provides instructions for leveling the STS2 and anchoring the unit to the
floor, should that be required.
5.0 - Power and Control Wiring—provides instructions wiring the STS2 for power and control con-
nections.
6.0 - Options—lists the options available for the STS2.
7.0 - Installation Drawings—provides outline, seismic and electrical field connection drawings
required for installing the STS2.
8.0 - Introduction to STS2 Operations—provides a system description.
9.0 - Theory of Operation—provides an overview of how the unit works, plus a brief overview of
some of the components.
10.0 - Operating Instructions for the Touch Screen Interface—provides instructions for turn-
ing the system on and off, completing a maintenance by-pass, and selecting a preferred source.
11.0 - Alarm and Faults—provides a list of event messages.
12.0 - Communication Interfaces—discusses the communication ports and provides a list of termi-
nal and modem commands.
13.0 - STS2 Touch Screen Display—provides instructions for using the HMI touch screen interface
for monitoring and managing the STS2.
14.0 - Operating the LED Display STS2—provides instructions for operating the LED Display
unit without the touch screen display.
15.0 - Specifications—provides specifications for the STS2.
16.0 - Event Message Help Text—provides the help text for the various system event messages.
This help is also available through the touch screen interface.
17.0 - Maintenance—briefly discusses routine maintenance, provides proper torque settings for nuts
and bolts, and provides the Liebert contact information.