Opvimus IF-7W120DCETH, Руководство по эксплуатации

Страница: 10 / 52

IF-7WDCETH version 5.2.001 ENG
10
Class D wall-mounted amplifier
with IP connection
IF-7WDCETH
4ETH
4.6. FAIL contacts
Relay indicating system failure.
The
COM contact linked to the NO contact indicates that there
are no alarms in the system. If, on the other hand, COM is tied
to NC , it indicates equipment shutdown or alarms detected
(Figure 11).
Maximum DC charging current: 150 mA.
Maximum DC or AC peak load voltage: 350V
4.7. Connection of loudspeaker lines
The equipment has a 100V high impedance speaker line connection.
Connect the speaker line between the "0" terminal and the "100V" terminal.
When working with 100 V lines, the following must be remembered:

The loudspeakers must be equipped with a line transformer.

The total connected power shall be the sum of the powers absorbed by the loudspeakers and should be between 50% below
and 10% above the rated power of the amplifier.
4.7.1. Connection of the loudspeaker lines (without
volume attenuators) 4.7.2. Connection of the loudspeaker lines (with
volume attenuators and without surety paging)
Figure 12
Figure 11
Equipment shutdown or
alarms detected
No alarms
FAIL RELAY STATUS
Figure 13