Installation; Front Panel Indicators - Bose Entero EPC Installationsanleitung

6. Installation

6. Installation

6.1 Front panel indicators

8
LED Green
1 230 Vac INPUT OK, no fault on input indicates a fault when:
2 48 Vdc INPUT OK, no fault on input indicates a fault when:
3 48 Vdc OUTPUT OK, no fault on input indicates a fault when:
NOTE: failsafe contacts: NC-C-NO / 1A@24 Vdc or, 0.5A@120 Vac.
Yellow
• mains voltage below 165 Vac +/-5%
(when mains switch is ON)
• mains is not present or below 185 Vac
+/-5% (when unit switched OFF)
• mains fuse (F1) is blown
• battery charger is broken
• Internal temperature is too high
A failsafe contact closure
be triggered (after a delay of 5 seconds)
• battery is not present
• internal battery impedance is too high
• battery voltage is below 47 Vdc +/-3%,
when mains is still present.
A failsafe contact closure
be triggered
• there is no voltage on one or more outputs
(all 9 outputs are monitored).
A failsafe contact closure
be triggered
1
2
3
will also
will also
will also