Chapter 1 : Important Safety Instructions; Safety Instructions - Delta RT Series User Manual

Chapter 1 : Important Safety Instructions

1.1

Safety Instructions

Installation Warnings
Before installation and usage, please read this User Manual thoroughly. This helps you to use
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the product correctly and safely.
Install the UPS in a well-ventilated area, away from excess moisture, heat, dust, flammable gas
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or explosives.
To avoid fire accidents and electric shock, please install the UPS in a temperate and humidity
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well-controlled indoor area free of conductive contaminants. For the temperature and humidity
specifications, please refer to Appendix 1 : Technical Specifications.
Leave adequate space (at least 15 cm (5.91'')) around all sides of the UPS for proper ventilation.
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Connection Warnings
The UPS must be well grounded due to a possible risk of current leakage.
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The installation of upstream and downstream protective devices is highly recommended when
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the UPS is connected to the mains and the loads.
The protective devices connecting to the UPS must be installed near the UPS and must be easily
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accessible for operation.
If you need to move the UPS or perform re-wiring, please turn off the AC input power and ensure
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that the UPS has been safely shutdown. Otherwise, the output end might still be energized,
which might cause electric shock.
Usage Warnings
The 2kVA and 3kVA UPSs are class-A products. In a domestic or an office environment, this
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product may cause radio interference, in which case, users are required to take adequate
measures.
 The UPS can be used to power computers and associated peripheral devices, such as monitors,
modems, cartridge tape drives, external hard drives, etc.
It is not recommended to connect the UPS with the following types of loads. For the load

suitability, please contact Delta customer service before purchasing:
1. regenerative loads (e.g. CNC machines and lifts).
2. asymmetrical loads (e.g. fans with half-bridge drivers and laser printers).
 To ensure reliable operation of the UPS and to protect the UPS from overheating, the slits and
openings in the UPS must not be blocked or covered.
 Before usage, you must allow the UPS to adjust to room temperature for at least one hour to
avoid moisture condensing inside the UPS.
 Do not pour and splash any liquid on the UPS. Do not insert any object into the UPS's slits and
openings. Do not put beverage containers on or around the UPS.
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