Kidde VS Series User Manual

Chapter 1: Installation and wiring
P/N 3102351-EN • REV 005 • ISS 28DEC18 29
• All alarm points or zones (if programmed as a zoned system) must be programmed to
activate the dedicated NAC
• The NAC used must be programmed as City Tie
Wiring
The following wiring diagrams show how the polarity switches during an alarm condition.
Figure 39: CTM module wiring (panel in normal condition)
(1) Normal condition
(
2) 200 mA into a 14.5 Ω trip coil max. loop
resistance = 25 Ω
(3)
This circuit is nonpower-limited and is supervised
for grounds and opens, but not shorts
(4)
Master box
(5) Public fire alarm reporting system
(6) 15 kΩ end-of-line resistor
(7) CTM must be mounted in the same room
as the panel
(8) Supervised and power-limited
(9) Notification appliance circuit (NAC)
(10) NAC must be programmed for city tie
Figure 40: CTM module wiring (panel in alarm condition)
(1) Alarm condition
(
2) 200 mA into a 14.5 Ω trip coil max. loop
resistance = 25 Ω
(3)
This circuit is nonpower-limited and is supervised
for grounds and opens, but not shorts
(4)
Master box
(5) Public fire alarm reporting system
(6) 15 kΩ end-of-line resistor
(7) CTM must be mounted in the same room
as the panel
(8) Supervised and power-limited
(9) Notification appliance circuit (NAC)
(10) NAC must be programmed for city tie

Kidde VS Series Specifications

General

Power Source	120V AC
Battery Backup	9V battery
Sensor Type	Photoelectric
Alarm Sound Level	85 dB at 10 feet
Hush Feature	Yes
Test Button	Yes
LED Indicator	Yes
Mounting Type	Wall or ceiling
Compliance	UL 217