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General| Product Type | Static Transfer Switch |
|---|---|
| Frequency | 50/60 Hz |
| Number of Inputs | 2 |
| Number of Outputs | 1 |
| Efficiency | >99% |
| Display | LCD |
| Transfer Time | ≤ 4 ms |
| Weight | Varies by model |
| Operating Temperature | 0°C to 40°C |
| Communication | SNMP |
| Protection | Overload, short circuit, over temperature |
| Dimensions | Varies depending on model (refer to specific model datasheet) |
| Current Rating | 100A to 200A |
Procedures and precautions for safely unloading and handling the Liebert STS2/PDU unit, including weight and center of gravity considerations.
Specifies required clearances around the unit for ventilation, installation, and maintenance access.
Instructions for securing the unit to the floor for stability, particularly for seismic resistance.
Details on making power connections to the Liebert STS2/PDU, including busbar access and cable entry.
Guidelines for proper equipment grounding to ensure safety and enhance performance.
Information on customer responsibilities for connecting the STS2/PDU output distribution to the load.
Describes the PRB's function for triggering external devices based on unit events and channel configuration.
Details the function of the key lockout switch for preventing unauthorized changes to unit settings.
Explains the different operational modes: Normal, Transfer, Transfer Inhibit, and Bypass.
Overview of the touchscreen interface, menus, buttons, and access for unit operation and monitoring.
Details the process of manual and automatic source transfers, including synchronization requirements.
Step-by-step guide for properly powering up and starting the Liebert STS2/PDU system.
Instructions for manually selecting or changing the preferred input power source via the touchscreen.
Procedures for using bypass breakers to isolate unit electronics for safe servicing without load interruption.
Configuration of system responses to alarms and faults, including Latch, Dial Out, Event Log, and Audible.
Explains tracking and storing of events (alarms/faults) and significant occurrences for diagnostics.
Guidance on connecting and using the RS-232 port for system configuration, control, and diagnostics.
Overview of the touchscreen menu structure for accessing settings and device information.
Details options within the Configuration menu: System Ratings, Event Mask, User Settings, System Settings.
Specifies system parameters like voltage, frequency, current ratings, and electrical requirements.
Lists and describes the main physical components of the Liebert STS2/PDU, including frame, cooling, and access.
Instructions for locating, replacing, and maintaining the air filter for proper unit cooling.
A record for listing custom settings for the programmable relay board channels for future reference.
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