Systems Controls & Instruments CEM-24 Series Owner's Manual page 20

9. Alarm Conditions (Red LED)
Alarm type
temperatures
goes higher or
lower than the
alarm limits set
by the technician
Fault input from
system (24Vac)
The alarm works whether the thermostat is On or Off.
Warnings
The CEM features advanced indication capabilities, and will notify you of your HVAC
system condition. It is by no mean a replacement for your alarm systems of your house
and business facilities.
In addition please note that the Alarm outputs and indications of the CEM are disabled
when the thermostat is turned "Off" or during power shut downs.
Red LED Thermostat
indication operation
The "AL,AL"
Flashes
outputs will
slowly
be activated
The "AL,AL"
Solid
outputs will
light
be activated
Tel. voice Reset button
response operation
"You have an
alarm
condition.
None
Temperature
in the room
is..."
Press and
"You have an hold the
alarm Reset button
condition 1" to stop the
"AL,AL" output
20