ABB DPA Upscale M 10, User Manual

Page: 89 / 133

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!
O
N OPERATION MODE „MANUAL BYPASS“ THE LOA
D IS NOT
PROTECTED AGAINST ANY MAINS FAILURES OR MAINS
DISTURBANCES.
!
MAINS LOAD
MAINTENANCE
BYPASS
UPS