Chapter 1: Important Safety Instructions; Installation Warnings; Connection Warnings; Usage Warnings - Delta Ultron HPH Series User Manual

Chapter 1: Important Safety Instructions

1.1 Installation Warnings

 This is a three-phase four-wire on-line uninterruptible power supply (hereafter referred to as
'UPS'). It can be used for commercial and industrial applications.
 Before installation, do not unpack the package of the UPS. Install the UPS in a well-
ventilated indoor area, away from excess moisture, heat, dust, flammable gas or explosives.
 Leave adequate space around all sides of the UPS for proper ventilation and maintenance.
Please refer to
 Only authorized Delta engineers or service personnel can perform installation and
maintenance. If you want to install the UPS by yourself, please install it under the supervision
of authorized Delta engineers or service personnel.
 Follow the IEC 60364-4-42 standard to install the UPS.

1.2 Connection Warnings

The UPS must be well grounded due to a possible risk of current leakage.

 It is necessary to install protective devices when the UPS is connected to the mains and
bypass source. For relevant information, please refer to 5.5.1 Precautions Prior to Wiring.
 The protective devices connecting to the UPS must be installed near the UPS and must be
easily accessible for operation.

1.3 Usage Warnings

 This is a class-A product. In a domestic environment, this product may cause radio interference,
in which case, the user is 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.
If the UPS needs to be connected to a motor load, it must be confirmed by qualified service

personnel.
 It is strictly forbidden to connect the UPS with any regenerative-type loads.
The parallel UPSs can connect with common batteries.

 The external slits and openings in the UPS are provided for ventilation. To ensure reliable
Ultron HPH Series
5.2 Installation Environment.
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