CPI User Manual for Lead Acid Line Interactive UPS 04/22v.1 Page 5
VL-Series (800VA-5000VA)Chatsworth Products (CPI)
• In order to fully disconnect the UPS system, rst press the OFF/Enter button to disconnect
• the mains.
• Prevent no uids or other foreign objects from inside of the UPS system.
• The EPO, RS-232 and USB circuits are an IEC 60950 safety extra low voltage (SELV) circuit. This
circuit must be separated from any hazardous voltage circuits by reinforced insulation.
Maintenance, Service, and Faults
• The UPS system operates with hazardous voltages. Repairs may be carried out only by qualied
maintenance personnel.
• Caution - risk of electric shock. Even after the unit is disconnected from the mains (building wiring
outlet), components inside the UPS system are still connected to the battery and electrically live
and dangerous.
• Before carrying out any kind of service and/or maintenance, disconnect the batteries and verify
that no current is present and no hazardous voltage exists in the terminals of high capability
• capacitor such as BUS-capacitors.
• To avoid electrical shock, turn off the unit and unplug it form the AC power source before servicing
the battery.
• Only persons are adequately familiar with batteries and with the required precautionary measures
may replace batteries and supervise operations. Unauthorized persons must be kept well away
from the batteries.
• Caution - risk of electric shock. The battery circuit is not isolated from the input voltage.
• Hazardous voltages may occur between the battery terminals and the ground. Before touching,
please verify that no voltage is present!
• Batteries may cause electric shock and have a high short-circuit current. Please take the
• precautionary measures specied below and any other measures necessary when working
• with batteries:
»Remove wristwatches, rings and other metal objects
»Use only tools with insulated grips and handles.
• When changing batteries, install the same number and same type of batteries.
• Do not attempt to dispose of batteries by burning them. This could cause battery explosion.
• Do not open or destroy batteries. Escaping electrolyte can cause injury to the skin and eyes. It
may be toxic.
• When replacing batteries, replace with the same type and number of batteries or battery packs.
• Do not dismantle the UPS system.
• A battery can present a risk of electrical shock and high short-circuit current. The following
• precautions should be observed when working on batteries:
»Remove watches, rings, or other metal objects.
»Use tools with insulated handles.
»Wear rubber gloves and boots.
»Do not lay tools or metal parts on top of batteries.
»Disconnect charging source prior to connecting or disconnecting battery terminals.
»Determine if battery is inadvertently grounded. If inadvertently grounded, remove source
from ground. Contact with any part of a grounded battery can result in electrical shock.
The likelihood of such shock can be reduced if such grounds are removed during
installation and maintenance.
