Section-1
04-3004_S1_OPM_ABB_POWERSCALE_10-50kVA_EN_150113.doc Page 3/20 ABB
Printed in Switzerland – Modifications reserved
1.1.3 OPERATOR PRECAUTIONS
The only user operations permitted are:
Use of the LCD control panel (LCD Display) and of the Maintenance Bypass
Start up and shut down of the UPS of the user field (excluding the commissioning start up)
Operation of additional connectivity modules:
SNMP adapters and their software
Modem/GSM or Modem/Ethernet adapters and their software
Multidrop Kit for paralleling connectivity information between multi-UPS configurations
The user must follow the precautions and only perform the described operations. Also in these measures the
operator of the USP System must adhere to the instructions in this manual. Any deviations from the instructions
could be dangerous to the user or cause accidental load loss.
THE MANUFACTURER DOES NOT TAKE ANY RESPONSIBILITY FOR DAMAGES CAUSED THROUGH
WRONG MANIPULATIONS OF THE UPS SYSTEM.
IT IS PROHIBITED TO REMOVE ANY SCREWS FROM THE UPS SYSTEM OR
FROM THE BATTERY CABINET. THERE IS A DANGER OF ELECTRICAL SHOCK.
HIGH FAULT CURRENTS (LEAKAGE CURRENTS):
BEFORE CONNECTING THE MAINS YOU MUST ENSURE THAT THERE IS A
PROPER EARTH CONNECTION!
THE USER MUST DISPLAY A WARNING SHIELD ON ALL PRIMARY UPS
CIRCUIT BREAKERS. THE SERVICE PERSONNEL HAS TO BE INFORMED
ABOUT DANGEROUS VOLTAGES. THE WARNING PANELS MUST CONTAIN
THE FOLLOWING TEXT: “ BEFORE STARTING WITH THE MAINTENANCE
WORK ON THE CIRCUIT BREAKERS MAKE SURE THE UPS IS ISOLATED
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