1.0 Important Safety Instructions. Emerson 500, SDU DIN Rail AC UPS, 850-5, 850, 500-5

• Follow all warnings and instructions marked on the UPS. Do not attempt to service the UPS, as it has no user-serviceable parts inside. Refer all repairs to qualified service personnel.

• Do not dispose of batteries in a fire; they may explode.

• Do not open or damage the battery. Released electrolyte is harmful to the skin and eyes and may be toxic.

If your UPS demonstrates any of the following conditions, turn OFF the UPS, disconnect the ac supply and contact your local distributor, SolaHD representative or SolaHD Technical Support at 1-800-377-4384.

• Liquid has been spilled on the UPS.

• The circuit breaker opens frequently.

• The UPS does not operate in accordance with the user manual.

1.2 Conditions of Use

Your UPS provides conditioned power to connected equipment. The maximum load must not exceed that shown on UPS rating label. If uncertain, contact your distributor or SolaHD Technical Support at 1-800-377-4384.

U.S. Only: For Conditions of Acceptability in accordance with UL 508A, see “13.0

Conditions for Safe Use of SDU 500 & 850”.

2.0 Warnings Defined

Danger: Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.

This signal word is limited to the most extreme situations.

Warning: Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury.

Caution: Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.

English version

SDU Series Instruction Manual • 5