IV404E Rev.000 SIEL S.p.A.
Issue date: 2017-06-05 Pag. 37 di 90 + FR
without interrupting the power supply to the load.
- Q01 additional output disconnector, Q02 additional
disconnector of the external maintenance by-pass.
The auxiliary contacts Q02 must be connected to
terminals B.
Contact Q02 must be in the opposite position (auxiliary
open with switch closed, vice versa with switch open)
External temperature sensor (terminal T)
The use of the temperature sensor allows the UPS control logic to regulate the load voltage values and
keep the battery working temperature constant.
.
It is necessary to use the specific kit supplied by the manufacturer only: any uses which do
not comply with the specifications may cause malfunctioning or breakage to the appliance.
UPS
Battery cabinet
+ / -
A
B
T