Technical data

14 Parallel configurations
MASTERGUARD Series SIII
UPS Systems from 60 to 800 kVA
30
MKA4CAT0UKSIII/Rev. 11-11/2004/UK
Signalling COC
Heading
Alarms/indications
EPO active System normal System test mode System in alarm
LIFE.net (optional)
Alarms/indications
Service active LIFE.net connection in progress Active LlFE.net connection
UPS
Alarms/indications
UPS (*) current limit UPS (*) shutdown imminent UPS (*) voltage and frequency irregular
UPS (*) in alarm
Reserve, Load
Alarms/indications
Backfeed active (option) Overload Static switch blocked on inverter
Bypass switch closed Reserve supply fault Static switch blocked on reserve
Load not supplied Reserve phase sequence error Static switch fault
Load on reserve Reserve frequency fault Reserve switch open
UPS (*) in alarm Reserve voltage high Overtemperature
Output switch open Reserve voltage low Out of synchronisation
(*) lndicates the UPS involved.
Help procedure
The LCD display shall provide assisted
start-up, shutdown, bypass and return
to normal routines.
Control push button
In the right part of the display there
shall be a further push button to
control the COC. This push button shall
enable the load to be transferred or re-
transferred from the inverter to
reserve or reserve to inverter
depending on the original condition.
The control shall incorporate a safety
feature to prevent inadvertent
operation.
Tecnico-SIII-MG 10-11-2004 8:22 Pagina 30