Remote Keyswitch; Installing The Keyswitch; Remote Keyswitch Connections - ADEMCO Vista-20 Installation Instructions Manual

This sectionprovides instructions for the connectionof an optional remote 4146 keyswitch
for remote arming and disarming of the system, and the progr amming necessarywhen a
keyswitch is used. Also included is a description of how the keyswitch operates in the
system.
Installing the Keyswitch
The remote 4146 keyswitch(with red and green LEDs to indicate status) is
connected to zone 7.
Note that you can use a keyswitchin one partition only.
Remote Keyewitch Connection
1. Connectthe 4146 keyswitchs normally open momentary switchto zone 7
terminals (18 and 19). Remove the 2000 ohm EOL resistor if connected
acrosszone 7 terminals.
2.
Connect the Red and Green LEDs to pins 7, 8, and 9 on the 9-pin
connector, using a 4142TR cableas shown in Figures 19 (A) and(B).
3. Connecta 2000 ohmEOL
resistor acrossthe momentary switch
4.
You can wire an optional closed-circuit tamper switch (model 112) in
serieswith the zone. If the switchplateis then removed from the wall, the
tamper will open, disabling keyswitch operation until the system is next
disarmed fkomthe keypad.
If the tumper (or zorw 7 loop wires) is opened when the system is armed, an
cdanmwill occur.
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