Manual

FlexStat 23 Operation Guide, Rev. R
Alarms
SAT 4/11 3:20 PM
COOL:
OCC:
FAN:
SERVICE HUM: 20%RH
ALARMS
* SPACE TEMP ALARM 04/11
04/11/09 08:37:56
<AI1> SPACETEMP
PRESENT VALUE = 90.1
EXCEEDS HIGH_LIMIT
<EE1>
SPACETEMPALARM
DELETE ALARM?
NO
YES
A ashing “SERVICE” on the Home screen indicates
an alarm. To view and delete alarms, press:
1. Right to move among elds.
2. Enter to select. (Enter on Alarm Details screen to
delete the alarm.)
3. Left to go back one page.
Built-in alarms are triggered under these conditions
(as applicable to model and congured options):
• SpaceTempAlarm—temperature outside the
range of 56 to 86° F for over 300 seconds. (The
monitored object is AV40, mapped from AI1 and/
or AI7.)
• SpaceHumidityAlarm—humidity above 65%
for over 300 seconds. This is available only in
FlexStat models with a humidity sensor and a
dehumidication option selected in the Humid-
ity setup. See Humidity Setup on page 8. (The
monitored object is AI5.)
• FanFailAlarm—no fan status signal within ve
seconds of call for fan (and Input 2 is congured
for the fan status sensor option). See Sensor Setup
on page 9. (The monitored object is BV5, mapped
from AI2.)
• LowLimitAlarm(freezestat)—mixed air tem-
perature (MAT) is below the adjustable (under
Damper Setup) low limit alarm temp for one
second (when congured for the economizer op-
tion). Afteralowlimitalarmisgenerated,the
fanwillnotrununtilaftertheFlexStatisre-
started.SeeRestartunder Reseing the FlexStat
on page 26. See also Damper Setup on page 7. (The
monitored object is BV4, mapped from AI3.)
• CO
2
Alarm—carbon dioxide level is higher than
1,050 ppm (or lower than 300 ppm, indicating a
sensor error) for more than 450 seconds. This is
available only in FlexStats with a CO
2
sensor and
the DCV option enabled in the Damper setup.
See Damper Setup on page 7 and (Advanced) CO2
Sensor (and DCV) on page 11. (The monitored ob-
ject is AV78, mapped from AI9 and/or AI10.)
NOTE: Timedelaysandlimits can be modied in
the corresponding Event Enrollment objects
using TotalControl. Additional alarms may
be added using TotalControl up to a total of
ten.
NOTE: See also see (Advanced) Trend Logs on page
20.
Date/Time
DATE/TIME
DATE:
TIME: 1:43:59 PM
APR 11 2009
This menu allows changes to the date and time
information (only). More options (such as UTC oset
and daylight saving time options) are available in the
(Advanced) Date/Time menu (see page 16).