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4.3.2
Switch Settings
The alarm board is designed to connect with up to 7 fans. User can set the fan num-
ber by adjusting the switch, SW1, on the alarm board.
Table 4.11: SW1. Fan number setting
Fan Number
0
1
2
3
4(default)
5
6
7
Note!
Connect the fan connectors in the correct sequence: If two fans are set
on SW1, the correct method is to connect them into connectors FAN1
and FAN2. If the two fans are connected to other fan connectors, out of
sequence, such as FAN1 and FAN3 or FAN2 and FAN3 or FAN3 and
FAN4, then the alarm will not function correctly.
4.4
Thermal Sensor
The ACP-1320 is configured with a thermal sensor located at the rear plate of the
chassis. (see Figure 4.2) Please refer to Figure 4.3 for a diagram of the thermal sen-
sor module layout.
ACP-1320BP User Manual
SW 1-1
SW 1- 2
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
Figure 4.2 Thermal sensor location
20
SW 1- 3
SW 1- 4
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
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