ABB DPA Upscale RI Series - MAINTENANCE BYPASS - Mode

Section-4
04-3006_S4_OPM_ABB_DPA_UPSCALE_RI_10-80kW_EN_150316.doc Page 8/8 ABB
Modifications reserved
4.1.4.3 "MAINTENANCE BYPASS" - Mode
The Maintenance Bypass Mode is performed by means of the IA1 BYPASS SWITCH on the front of the UPS:
POSITION OF
SWITCH
EFFECT
ON
Bypass-Switch Closed (Load supplied directly from mains)
LCD-indication: “MANUAL BYP IS CLOSED” LED Indicators will indicate
as shown in table below.
OFF
Bypass-Switch Open – Normal operating condition
(Load supplied by inverter)
LCD-indication “MANUAL BYP IS OPEN”
LED Indicators will indicate as shown in table below.
LED Indicator
ON
OFF
LINE 1
Green
Green
LINE 2
Green
Green
BYPASS
Green
OFF
INVERTER
RED
Green
BATTERY
Green
Green
Before transferring the load to Maintenance Bypass (IA1) always make sure all the UPS-modules are in
the "Bypass-Mode” or “ECO-Mode”.
NOTE!
ON OPERATION MODE „MANUAL BYPASS“ THE LOAD IS NOT
PROTECTED AGAINST ANY MAINS FAILURES OR MAINS
DISTURBANCES.
!
MAINS
LOAD
MAINTENANCE
BYPASS
UPS