Mode select switch - sw4, Mounting in the abs-8rf enclosure – Fire-Lite ACM-8RF Control Relay Module User Manual

Page 16

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2. Installation

Mounting in the ABS-8RF Enclosure

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ACM-8RF PN 50362:C 03/21/01

Mode Select Switch - SW4

Set the mode of operation as follows:

Figure 11 Mode Select Switch

Switch #1 set to the ON position will cause the ACM-8RF relays to

trigger only for FACP zone alarm activation.

Switch #1 set to the OFF position will cause the ACM-8RF relays to

trigger for FACP zone alarm and zone trouble activation.

Switch #2 set to the ON position places the ACM-8RF in 'Receive

only' mode. In this mode, the ACM-8RF does not transmit
information back to the host FACP.

Switch #2 set to the OFF position places the ACM-8RF in 'Receive/

Transmit' mode. In this mode, the ACM-8RF will transmit
supervisory data back to the FACP. The FACP will use this data to
acknowledge that the ACM-8RF is properly communicating.

Note: It is essential that ACM-8RFs and any other devices wired to the EIA-485 bus
and set to the same address not be programmed for receive/transmit mode. Only one
EIA-485 device per address may be set for receive/transmit.

Mounting in the ABS-8RF Enclosure

Place the ACM-8RF in the ABS-8RF backbox. Align the two captive screws
on the top of the relay module and the two mounting holes on the bottom of
the relay module with the standoffs on the backbox.

Note: A solid earth ground connection must be made to one of the top mounting
screws in order to provide transient and lightning protection.

Secure with captive screws at top and with two loose screws at bottom. Plug
all terminal blocks into their respective sockets. Place and secure faceplate to
backbox.

1 2

M O D E S E L E C T

A L M

O N LY

R C V

O N LY

A

C

M8

R

F

-S

W

4

.c

dr

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