Se nti
nel C X T
Sentinel CXT Instruction Manual
Rev. 1.7
Page 30 of 49
L atchingorN on-Latching
EnergizedorDe-Energized
S ilenceableorN on-Silenceable
N O T E
It is generally recommended to set the FAULT relay as energized so that it will trip upon
loss of power.
N O T E
The FAULT condition is assigned to the FAULT relay as a standard. It cannot be
disengaged in the configuration of the controller. The Main Display will show IN FAULT
for any channel that is in fault.
5.4.5 Inhi
bi
ta nd A la rm T e st M ode
Inhibit mode permits testing of sensors while preventing alarms from being activated. Alarm test mode
permits testing of the attached alarm devices without having to apply gas to the sensors.
1. Upon entering this menu, the LCD will display:
IN H IB IT & A L A R M T EST M O D E
IN H IB IT M O D E
|
A L A R M T EST M O D E:
#:##
|
ST A R T
|
O FF
2. These values can be changed by swiping the magnet over the markers of the up or down arrows to
move the arrow prompt "
→
" to the desired function. A swipe over:
T he EN T ER m arker w ill select the function indicated by the arrow prom pt "→".
T hem arkersoftheupordow narrow sw illchangethevalue.
T heEN T ER m arkerw illsavetheselectedvalue.
3. Activate inhibit mode by entering the timer value in minutes and seconds (0-60 minutes).
4. Select
ST A R T
and all relay outputs on the network will be disabled until the timer reaches 0 or is
manually stopped by the user by turning off the inhibit mode.
5. Activate alarm test mode to verify that connected alarm devices are functioning properly by
swiping the magnet over the markers. All channels will simultaneous go from 0 to full scale in 5%
increments. When they reach full scale they will return to 0 in 5% increments. This will continue
indefinitely until alarm test mode is turned off.
6. Verify that the relays fire according to their configuration as the readings cross their respective
alarm set points.
5.4.6 Syste m D i
a gnosti
cs
The System Diagnostics menu performs function tests for the following:
L CD display,
P anelL ED
ꞌ
s,
Externalresetsw itch,
R elays,and
