Installation

LTPH-UM-1088-02, Issue 2

 

 

Connect Alarms

6Connect the alarm relay wires from the CO alarm center to the posts of the Visible Alarm (CRIT. VIS—NO and COM), Audible Alarm (CRIT. AUD—NO and COM) and Alarm (FE, MIN, MAJ, CRIT, and COM).

Follow the CO site instructions for connecting alarm relays. The visible and audible alarm relays do not have an NC (normally closed) position.

7Connect a 16 AWG chassis ground cable to the ground (GND) post.

CONNECTING POWER

The fuse rating for the ThinMux chassis is 2A.

RTN B

-48 B

RTN A

-48 A

FGND

Figure 6. Battery Supply Connector (rear view)

1Connect 16 AWG cables to the -48V A, B, and RTN terminals.

2Connect the other end of the cables to CO battery supply and RTN terminals.

3Apply power and check the voltage.

4Reinstall the common access panel and screw in the hold-down lugs.

10

January 3, 2002

ThinMux Chassis