Input main breaker
Line Input
Neutral
AC Contactor
Coil Remote
Switch
Mains
Input
AC Contactor:
208-240 V, 63 A
(PowerValue 11 RT G2 6 kVA)
208-240 V, 80 A
(PowerValue 11 RT G2 10 kVA)
15
DANGER
RISK OF BACKFEED VOLTAGE. ISOLATE
THE UPS BY INSTALLING AN EXTERNAL
ISOLATING DEVICE BETWEEN THE MAINS
INPUT AND THE UPS.
BEFORE WORKING ON THIS CIRCUIT,
CHECK FOR HAZARDOUS VOLTAGE.
ABB recommends that an external isolating
device is installed between the mains input
and UPS as shown in Figure 12 to protect
against backfeed currents .
—
11 Circuit breaker
—
12 External back-
feed isolation
3 .4 .1 Commissioning
The commissioning of the UPS includes the
connection of the UPS and batteries, the verification
of the electrical installation and operating
environment of the UPS, the controlled start-up
and testing of the UPS, and customer training.
WARNING
DO NOT OPERATE IN CASE OF PRESENCE
OF WATER OR MOISTURE.
DANGER
WHEN OPENING OR REMOVING THE UPS
COVERS YOU ARE EXPOSED TO
DANGEROUS VOLTAGES.
3 .4 .2
Recommended cable sections and
fuse ratings
When selecting the cable cross-sections and the
protective devices, follow the recommendations
in the technical specifications document or follow
local standards.
DANGER
TO REDUCE THE RISK OF FIRE, THE UNIT
SHOULD ONLY CONNECT TO A CIRCUIT
PROVIDED WITH BRANCH CIRCUIT
OVERCURRENT PROTECTION FOR:
•
D CURVE 63 A RATING (UPSTREAM
CIRCUIT), FOR 6KVA MODELS,
•
D CURVE 80 A RATING (UPSTREAM
CIRCUIT), FOR 10KVA MODELS
—
Table 4: Recommended cable cross sections
Model
6K
10K
Protective
earthing
conductor
(min . cross
section)
10 mm^2
(8 AWG)
16 mm^2
(6 AWG)
Input L, N, G
(min conductor
cross section)
10 mm^2
(8 AWG)
16 mm^2
(6 AWG)
Input fuse
63 A
80 A
Output L,N,
(min . conductor
cross section)
10 mm^2
(8 AWG)
16 mm^2
(6 AWG)
—
3 .4 Electrical installation
—
11
—
12
3 I N S TA L L AT I O N
