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MS900-H-R 1117
Terminal Block Labeling and Confi guration
Inside View of MS900AC-B-LS-D
Upgrade Port
Confi guration Port
Red LED Indicates
Relay is Active
B.
Relay Terminals
Terminal rated for solid or stranded
wire from 14-22AWG. Wire should
be stripped at a 3/8”.
A.
Power Terminals
Terminal rated for solid or stranded
wire from 14-22AWG. Wire should
be stripped at a 1/2”.
Additional Notes:
• Except for the battery, all parts of the MS900 are attached to the PCB.
• Connect the AC Power cable to the Line, Neutral, and Ground positions.
• When setting case lid in place, make sure the light siren cable is NOT pinched.
To seal from intrusion of contaminants, secure the case lid by tightening all four (4) lid
bolts until snug.
• Once Installation and Field Testing is complete, the MS900 is ready for use.
A.
Power
Terminals:
Line
Neutral
GND
B.
Relay
Terminals:
(4 Sets; Numbered 1 - 4)
Normally Open
Common
Normally Closed
MS900 Factory Default Relay Setting
Relay #
Trigger
Hold/Activation Time*
1
User Alarm Received
20 Seconds
2
Global Evac Received
20 Seconds
* Hold/Activation Time: How long relay contact will be maintained after
last trigger message is received.
