1. Introduction
This manual provides essential instructions for the installation, operation, and maintenance of your APC Back-UPS CS 650VA 400W 230V Uninterruptible Power Supply (UPS), model BK650EI. This device is designed to protect your electronic equipment from power outages, surges, and spikes. Please read this manual thoroughly before installation and operation to ensure proper use and safety.
2. Safety Information
Observe the following safety precautions during installation and operation of the UPS:
- This UPS contains potentially hazardous voltages. Do not attempt to disassemble the unit.
- The battery is heavy. Always use proper lifting techniques.
- Do not dispose of batteries in a fire as they may explode.
- Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes.
- Connect the UPS to a grounded outlet only.
- Do not use the UPS in direct sunlight, near heat sources, or in areas with excessive dust or humidity.
3. Product Overview
3.1 Front Panel
Figure 1: Front view of the APC Back-UPS CS 650VA (Model BK650EI). This image displays the front panel of the UPS, featuring the main power button and LED indicators for 'On Line', 'On Battery', 'Overload', and 'Replace Battery'. The APC logo and 'Back-UPS CS 650' model designation are also visible.
The front panel features the power button and LED status indicators:
- Power Button: Used to turn the UPS on or off.
- On Line LED: Illuminates when the UPS is supplying utility power to connected equipment.
- On Battery LED: Illuminates when the UPS is supplying battery power.
- Overload LED: Illuminates if connected equipment exceeds the UPS's power capacity.
- Replace Battery LED: Illuminates when the battery needs replacement.
3.2 Rear Panel
Figure 2: Rear view of the APC Back-UPS CS 650VA (Model BK650EI). This image shows the back panel with various ports and outlets, including the input power cord, three battery backup and surge protected outlets, one surge-only outlet, a resettable circuit breaker, and data line protection ports (RJ-11/RJ-45) along with USB and RS-232 communication ports.
The rear panel provides connections for power input, protected outlets, and communication ports:
- Input Power Cord: Connects the UPS to a wall outlet.
- Battery Backup & Surge Protected Outlets (x3): Provide power from the UPS battery during outages and protect against surges.
- Surge Only Outlet (x1): Provides surge protection only, without battery backup.
- Resettable Circuit Breaker: Protects against overcurrent. Press to reset after an overload.
- Data Line Protection (RJ-11/RJ-45): Protects phone/network lines from surges.
- USB Communication Port: Connects to a computer for power management software.
- RS-232 Communication Port (DB-9): Connects to a computer for power management software.
4. Setup
- Unpack the UPS: Carefully remove the UPS from its packaging. Inspect for any shipping damage.
- Connect the Battery: The battery may be disconnected for shipping. Refer to the battery replacement section for instructions on connecting the internal battery.
- Position the UPS: Place the UPS in a location that is free from excessive dust, humidity, and extreme temperatures. Ensure adequate airflow around the unit.
- Connect to Utility Power: Plug the UPS power cord directly into a grounded 230V wall outlet. Do not use extension cords.
- Charge the Battery: Allow the UPS to charge for at least 8 hours before connecting equipment to ensure maximum runtime. The UPS will charge whether it is turned on or off.
- Connect Equipment:
- Plug critical equipment (e.g., computer, monitor) into the Battery Backup & Surge Protected Outlets.
- Plug non-critical equipment (e.g., printer, scanner) into the Surge Only Outlet.
- Connect Communication Cables (Optional): Connect the USB or RS-232 cable from the UPS to your computer to enable power management software features.
5. Operation
5.1 Turning the UPS On/Off
- To Turn On: Press the power button once. The "On Line" LED will illuminate.
- To Turn Off: Press and hold the power button until the UPS beeps and the LEDs turn off.
5.2 Understanding Status Indicators
| Indicator | Status | Description |
|---|---|---|
| On Line LED | Solid Green | UPS is supplying utility power. |
| On Battery LED | Solid Amber | UPS is supplying battery power. |
| Overload LED | Solid Red | Connected equipment exceeds UPS capacity. Remove non-essential equipment. |
| Replace Battery LED | Solid Red | Battery needs replacement. |
6. Maintenance
6.1 Battery Replacement
The battery in your Back-UPS CS is user-replaceable. Replace the battery when the "Replace Battery" LED illuminates or when the battery no longer provides adequate runtime.
- Turn off the UPS and disconnect it from the utility power outlet.
- Disconnect all connected equipment from the UPS.
- Locate the battery access panel, typically on the bottom or side of the unit.
- Remove the access panel and carefully slide out the old battery pack.
- Disconnect the battery terminals (red and black wires). Note their orientation.
- Connect the new battery pack, ensuring correct polarity (red to red, black to black).
- Slide the new battery pack into the UPS and replace the access panel.
- Reconnect the UPS to utility power and allow it to charge for 24 hours before use.
Important: Dispose of old batteries properly. Contact your local recycling center for information on battery disposal.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| UPS does not turn on. | Not connected to utility power; Battery disconnected or discharged. | Ensure UPS is plugged into a live, grounded outlet. Check battery connection and allow to charge. |
| UPS beeps frequently. | Operating on battery power; Overload condition. | This is normal during a power outage. If not an outage, check for overload (Overload LED). Reduce connected load. |
| "Replace Battery" LED is on. | Battery is at end of life or faulty. | Replace the battery as per Section 6.1. |
| UPS does not provide expected runtime. | Battery not fully charged; Battery is old; Overload. | Allow 8-24 hours for initial charge. Replace battery if old. Reduce connected load. |
| Circuit breaker trips. | Overload condition. | Reduce connected load. Press the circuit breaker button to reset. |
8. Specifications
| Feature | Detail |
|---|---|
| Model | BK650EI |
| Power Capacity | 650 VA / 400 W |
| Input Voltage | AC 230 V |
| Output Voltage | AC 230 V |
| Output Connectors | 3 x IEC 320 EN 60320 C13 (UPS & Surge), 1 x IEC 320 EN 60320 C13 (Surge Only) |
| Battery Type | Lead Acid (Plug-in module) |
| Typical Run Time (Full Load) | 2.4 minutes |
| Communication Ports | RS-232, USB |
| Dimensions (WxDxH) | 3.6 in x 11.2 in x 6.5 in (9.1 cm x 28.4 cm x 16.5 cm) |
| Weight | 13.2 lbs (6 kg) |
9. Warranty and Support
This APC Back-UPS CS 650VA (Model BK650EI) typically comes with a 1-year warranty from the date of purchase. For detailed warranty information, technical support, or to register your product, please visit the official APC website or contact APC customer service. Keep your purchase receipt as proof of purchase.
Online Resources: www.apc.com
