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12.11 4 Way Fire Fan Module
The Fire Fan Module (BRD25FCB) has four (4) separate fan controls each having an On, Auto and Off
function switch and a set of three (3) monitoring LED’s. The LED’s indicate the status of the equipment
e.g. Run, Fault or Stop. The two (2) arrow head buttons are used to step up and / or down through the
three (3) conditions. A slip in label can also be inserted into the hinged cover for identification
purposes.
The “Plant Trip” Reset is used to locally restart plant and equipment that has been automatically shut
down because the FACP has initiated an alarm once that alarm has been cleared.
Figure 93: DEC2944-T1 4 Way Fire Fan Module (Slip in label fitted see LAB1486.doc)
LK1
CN3
CN1
CN2
BRD25FCB4
LINK
TERMINATOR
In
Out
Address
Switch
Set to 1
1
2
3
4
ON
C
N
1
C
N
2
CN1: Communications & 27V IN from CN2 off the previous
Front Panel Card or CN20 on the Main Control Board
CN2: Communications & 27V OUT
to Next Front Panel Card.
If Unsed the Termination Link Must be Inserted.
PCB Securing Clips
Figure 94: 4 Way Fire Fan Module Rear View showing connectors and Address Switch
Note: The Fan Control module can also be used a Selector Switch & Indicator module. Refer to
MAN3016 for details.
Note: See Section 17 for Addressing Details (SW1)
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