pag. 12 / 57 0MNMHEM30RUENUB 00
3. MASTER HE in single configuration
3.1 Set-up of the electrical system
3.1.1 Input
The UPS input must have a max. current protection device for the section of line coming from the distribution panel
as well as for the two inputs into the MASTER HE : the rectifier line and the bypass line.
The protection device should be sized according to the situation, as follows:
a) single power line
b) main power supply and separate bypass
a) Single power line
The UPS input must have a max. current
protection device for the section of line coming
from the distribution panel. The fuse represented
with the letter F.
b)main power supply and separate bypass
When there are two separate power lines, the main
power line and the bypass line, two protection
devices must be provided (indicated with the letters
F and G in the drawing b), one for each line.
MAINS LINE
+/-
LOAD
UPS
BATTERY CABINET
F
SWBY
SWIN
SWOUT
refer to the “INSTALLATION DRAWINGS”
Imax (100% load, and battery recharging)
External [F] fuse type gG (*) [A]
(*) or equivalent circuit breakers
MAINS LINE
+/-
LOAD
UPS
BATTERY CABINET
F
SWBY
SWIN
SWOUT
BY-PASS LINE
G
refer to the “INSTALLATION DRAWINGS”
Imax (100% load, and battery recharging)
External [F] fuse type gG (*) [A]
refer to the “INSTALLATION DRAWINGS”
External [G] fuse type gG (*) [A]
(*) or equivalent circuit breakers