Installation manual
Description of the Previdia Ultra system parts
31
The indications in brackets below terminals OUT1, OUT2 and RELAY
[D, E, F]
show the respective factory default settings.
LED IFM24160
Colour
On solid
Flashing
CAN
Blue
Activity on the CAN communication BUS
ON
Green
Module operating normally
Slow flashing: overload (system voltage draw is
excessive)
Fast flashing: PSU unit overheated
MAINS
Yellow
Mains failure fault
Fast flashing: system ground fault
BATT
Yellow
Battery inefficiency or fault
IFM24160 module - technical specifications
Operating voltage
230V~ (+10% - 15%)
115V~ (+10% - 15%)
Nominal power frequency
50/60 Hz
Maximum current draw from mains
1.1A @ 230V
2A @ 115V
Output voltage
27.6 V
nominal
20 - 27,6 V
Maximum output ripple
1%
Maximum available current
5.2A
Imax a (as per EN54-4)
4A
Imax b (as per EN54-4)
4A
Imin
185mA
Batteries
2 x 12 V 24Ah, NPL24-12I or
2 x 12 V 17 Ah, NP 17 -12-FR or equivalent
with UL94-V1 flame class enclosure or higher
Battery charger
Maximum voltage charge adapted to temperature
1.2A
Maximum internal resistance of battery
(Ri Max)
1Ohm
Battery shutdown voltage
19.5V
Operating temperature
from -5°C to +40°C
Isolation class
I
Consumption @ 27.6V
stand-by
20mA
maximum
40mA
Maximum voltage on OUT 1
1.5A @27.6V
Maximum voltage on OUT 2
1.5A @27.6V
Maximum voltage on RELAY
5 A, 30V
Maximum output current of the power group
38A @230V~
32A @115V~
Maximum current for external loads
35A @230V~
29A @115V~
