1. Introduction
This manual provides essential information for the safe and efficient operation of your APC Smart-UPS SRT1000XLA. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Safety Information
Always adhere to the following safety precautions to prevent injury or damage to the equipment.
- Do not open the UPS enclosure. There are no user-serviceable parts inside.
- Ensure proper grounding. Connect the UPS to a grounded outlet.
- Do not block ventilation openings. Maintain adequate airflow around the unit.
- Avoid installing the UPS in areas with excessive dust, humidity, or extreme temperatures.
- Disconnect the UPS from the power source before performing any maintenance or cleaning.
3. Product Overview
3.1 Components

Figure 3.1: Front View of UPS. This image displays the front of the APC Smart-UPS SRT1000XLA, highlighting its tower form factor and the integrated LCD screen for status monitoring.

Figure 3.2: Rear View of UPS. This image illustrates the back panel of the UPS, detailing the NEMA 5-15P input, six NEMA 5-15R output receptacles, and various communication ports for connectivity.
3.2 Key Features
- 1000VA / 900W Pure Sine Wave Online UPS: Provides high-quality power output suitable for sensitive electronic equipment.
- Double-Conversion On-Line Topology: Ensures continuous, clean, and stable power by isolating connected equipment from raw utility power.
- Scalable Runtime: Compatible with external battery packs (SRT48RMBP, sold separately) to extend backup time. Up to 10 external battery packs can be connected.
- NEMA 5-15P Input / (6) NEMA 5-15R Output: Standard connections for typical office and IT equipment.
- Energy-Star Certified: Meets energy efficiency requirements, reducing operational costs.
- Intuitive LCD Interface: Provides real-time status updates and configuration options.
- Live Swappable Batteries: Allows for battery replacement without interrupting power to connected devices.
- Intelligent Battery Management: Features battery replacement recommendations, temperature-compensated charging, periodic self-tests, and disconnect notifications.
4. Setup
4.1 Unpacking and Inspection
- Carefully unpack the UPS and its accessories from the packaging.
- Inspect the unit for any shipping damage. If damage is found, notify the carrier and dealer.
- Retain the packaging materials for future use or return.
4.2 Placement
Place the UPS in a protected area that is free from excessive dust, humidity, and is well-ventilated. Ensure sufficient clearance around the unit for proper airflow.
4.3 Initial Connection
- Connect the UPS to a grounded 120V NEMA 5-15R wall outlet using the provided NEMA 5-15P input cable.
- Allow the UPS to charge its internal batteries for at least 24 hours before connecting critical equipment to ensure full runtime capability.
- Connect your equipment to the NEMA 5-15R output receptacles on the rear of the UPS.
5. Operating Instructions
5.1 Powering On/Off
- To Power On: Press and hold the power button on the front panel until the LCD display illuminates.
- To Power Off: Press and hold the power button until the LCD display turns off. Ensure all connected equipment is properly shut down before powering off the UPS.
5.2 LCD Display Navigation
The LCD display provides real-time status information and allows for configuration adjustments. Use the navigation buttons (up, down, enter, escape) to browse menus and select options.
5.3 Battery Mode Operation
In the event of a power outage, the UPS will automatically switch to battery mode, providing continuous power to connected devices. The LCD will indicate "On Battery" status. The duration of battery backup depends on the connected load and battery charge level.
6. Maintenance
6.1 Battery Replacement
The UPS features user-replaceable, hot-swappable batteries. When the UPS indicates a battery fault or low battery life, replace the battery module. Refer to the specific battery replacement instructions provided with the replacement battery kit.
6.2 Cleaning
Periodically clean the exterior of the UPS with a soft, dry cloth. Do not use liquid or aerosol cleaners. Ensure ventilation openings are free from dust and debris.
6.3 Firmware Updates
Check the APC website for available firmware updates for your UPS model. Firmware updates can improve performance and add new features. Follow the instructions provided with the firmware update package carefully.
7. Troubleshooting
This section provides solutions to common issues you may encounter with your UPS.
| Problem | Possible Cause | Solution |
|---|---|---|
| UPS does not turn on. | No input power; discharged battery. | Verify the input power cable is securely connected to a live outlet. Allow the battery to charge for 24 hours. |
| UPS beeps continuously. | On battery mode; overload condition. | Check if utility power is present. Reduce the connected load if an overload alarm is active. |
| Short battery runtime. | Battery not fully charged; aging battery. | Ensure the battery has charged for at least 24 hours. Consider replacing the battery if it is old. |
If the problem persists after attempting these solutions, contact APC technical support.
8. Specifications
| Attribute | Value |
|---|---|
| Model | SRT1000XLA |
| Capacity | 1000VA / 900W |
| Input Voltage | 120 Volts |
| Output Voltage | 120 Volts (Pure Sine Wave) |
| Input Connection | NEMA 5-15P |
| Output Connections | (6) NEMA 5-15R |
| Battery Type | Sealed Lead Acid |
| Product Dimensions (H x W x D) | 20 x 3.4 x 17 inches |
| Item Weight | 48.5 pounds |
9. Warranty and Support
9.1 Product Warranty
The APC Smart-UPS SRT1000XLA comes with a 3-year warranty on the UPS unit and a 2-year warranty on the internal battery. This warranty covers defects in materials and workmanship under normal use.
9.2 Returns Policy
This product is eligible for a 30-day easy returns policy. Please refer to your purchase agreement or retailer's policy for specific return procedures.
9.3 Technical Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact APC Customer Support. Visit the official APC website for contact information and additional resources: www.apc.com





