1151A1 and 1151A2 Power Supplies��

The 1151A1 and 1151A2 power supplies comply with the Underwriters Laboratories Inc. (UL) Standard UL 1950, second edition.

For safety instructions, see Important Safety Instructions for 1151A1 and 1151A2 Power Supplies. For installation instructions, see Connect the 1151A1 or 1151A2 Power Supplies.

NOTE: The 1151B1 and 1151B2 power supplies replace the 1151A1 and 1151A2 power supplies.

Important Safety Instructions for 1151A1 and
1151A2 Power Supplies��

Please read the following helpful tips. Retain these tips for later use.

When using this power supply, the following safety precautions should always be followed to reduce the risk of fire, electric shock, and injury to persons.

• Read and understand all instructions.
• Follow all warnings and instructions marked on this power supply.
• This product can be hazardous if immersed in water. To avoid the possibility of electrical shock, do not use it near water.
• To reduce the risk of electric shock, do not disassemble this product except to replace the battery.
• This product should be operated only from the type of AC power source indicated on the label. If you are not sure of the type of AC power being provided, contact a qualified service person.
• Do not allow anything to rest on the power cord. Do not locate this product where the cord will be abused by persons walking on it.
• Do not overload wall outlets and extension cords as this can result in the risk of line or electric shock.
• Disconnect the cords on this product and refer servicing to qualified service personnel under the following conditions:
• When the power supply cord or plug is damaged or frayed.
• If liquid has been spilled into the product.
• If the product has been exposed to rain or water.
• If the product was dropped or the housing has been damaged.
• If the product exhibits a distinct change in performance.
• If the product does not operate normally by following the operating instructions.