1
1. Safety and EMC instructions
All safety instructions in this document must be read, understood and followed.
1-1. Transportation and Storage
⚠
Please transport the UPS system only in the original packaging to protect against shock and damage.
⚠
The UPS must be stored in the room where the temperature is well regulated. Ambient temperature should
not exceed 40°C.
1-2. Preparation
⚠
Condensation may from if the UPS system is moved from cold to warm environment immediately. The UPS
system must be absolutely dry before being installed. Please allow at least two hours for the UPS system to
acclimate the environment.
⚠
Do not install the UPS system near water or in moist environments.
⚠
Do not install the UPS system where it would be exposed to direct sunlight or nearby heat source.
⚠
Do not block ventilation holes on the UPS housing.
1-3. Installation
⚠
Do n
ot connect appliances or devices which would overload the UPS (e.g. big motor-type equipment) to the
UPS output terminal.
⚠
Place cables in such a way that no one can step on or trip over them.
⚠
Do not block air vents on the housing of the UPS. Ensure proper unit spacing of ventilation.
⚠
UPS equipped with grounding terminal, in the final installation phase, connect grounding wire to the external
UPS battery cabinets or appropriate grounding terminals.
⚠
The UPS can be installed only by qualified maintenance personnel.
⚠
An appropriate disconnect device such as short-circuit backup protection should be incorporated during
installation.
⚠
An integral emergency shutoff switch which prevents additional load from the UPS in any mode of operation
should be implemented during the installation.
⚠
Secure the grounding wire before connecting to any live wire terminal.
⚠
Installation and Wiring must be in accordance with the local electrical laws and regulations.
1-4. Connection Warnings
•
There is no standard backfeed protection inside of the UPS. However, there are relays on the Input to cut off
line voltage and while the neutral is still connect to UPS.
Main
Input
Input Rly
UPS
L1
L2
L3
N
Main
Input
Input Rly
UPS
L1
L2
L3
N
Bypass
Input
Input Rly
L1
L2
L3
N
Input relay diagram
Input relay diagram for dual-input model
•
This UPS should be connected with
TN
grounding system.
•
The power input for this unit must be three-phase rated in accordance with the equipment nameplate. It also
must be suitably grounded.
•
Use of this equipment in medical instrument of any life-sustaining equipment where failure of this equipment
WARNING
HIGH LEAKAGE CURRENT
EARTH CONNECTION ESSENTIAL
BEFORE CONNECTING SUPPLY
