Xtreme Power Conversion Corporation
E91 User’s Manual
Page 5
Uninterruptible Power Supply
1-5. Operation
• Do not disconnect the grounding/earthing conductor cable on the UPS or the building wiring terminals under
any circumstance.
• The UPS system features its own, internal current source (batteries). The UPS output sockets or output ter
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minal blocks may be electrically live even if the UPS system is not connected to the building mains/live wires.
(only for standard models)
• In order to fully disconnect the UPS system, first press the “OFF” button and then disconnect the mains/live
wires.
• Ensure that no liquid or other foreign objects can enter into the UPS system.
• The UPS can be operated by any individuals with no previous experience.
1-6. Standards
* Safety
UL 1778, CSA C22.2 No.107.3-14
* EMI
Conducted Emission...............................: FCC Part 15, Subpart B
Class A
Radiated Emission..................................: FCC Part 15, Subpart B
Class A
NOTE:
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
