Stulz E2 Series User Manual

STULZ E
2
SERIES CONTROLLER FOR PERIMETER SYSTEMS OPERATION MANUAL
28
5.3 Alarm Log
MAIN MENU
Info
ALARM LOG
Control
No password is required to view alarm display messages. If an
alarm condition occurs, the fi rst active alarm may be displayed
by pressing the Alarm ( ) key. The alarm screen display text
message will remain unchanged until the alarm condition is
cleared. Once the alarms log is entered, any other active alarm
message(s) may be viewed by using the Up ( ) and Down ( )
arrow keys to scroll through alarm messages.
5.3.1 Alarms
The red LED backlight within the alarm key will illuminate any
time an alarm condition is present or previous alarms existed
without having been reset or cleared. An audible alarm will also
activate when an alarm condition occurs. The audible alarm may
be enabled or disabled in the Service>Options menu. The fi rst
active alarm screen may be displayed by pressing the Alarm (
) key. The Alarm display provides a text message describing
the abnormal operating condition. Use the Up ( ) and Down (
) arrow keys to scroll for any additional alarm messages. Only
active alarm screens will be displayed when the Alarm ( ) key is
pressed. The alarm screen display will remain unchanged until
the alarm condition is corrected and the alarm key is pressed
again to clear the alarm.
The alarms log may be cleared in the Service>Alarm log menu.
The application software supports two (2) types of alarms:
“Non-Critical” and “Critical”. Any alarm may be programmed
to activate the user confi gured “Custom” alarm relay contacts.
5.3.2 Non-Critical Alarms
A Non-Critical alarm will activate the alarm screen with which
it is associated. These alarms are programmed to activate the
“Summary Fault” alarm and close the “Summary Fault" relay
contacts without stopping unit operation. Some examples of
the factory programmed, Non-Critical alarms are:
• High Temperature • High Airfl ow
• Low Temperature • Dirty Filter
• High Humidity • Sensor Failure
• Low Humidity • Communication Failure
• Leak Detection • Condensate Pan Full
• Low Airfl ow (Velocity
Sensor)
• CW Flow Failure
5.3.3 Critical Alarms
Critical Alarms will coincide with automatic shut down of the
A/C unit(s) equipment as needed to prevent possible system
damage. The A/C unit(s) equipment will remain shut down until
the alarm condition(s) are no longer sensed and the controller
has been reset. Some examples of Critical alarms are:
• High Humidity • Low Suction Pressure
• Fire/Smoke Detection • High Head Pressure
• No Airflow (Air Proving
Switch
• Off by Internal Alarm
(Only for grouped sys-
tems)
5.3.4 Alarm Screen Messages
ALARM MESSAGE DESCRIPTION OF ALARM CONDITION
High Temperature Temperature is above user defi ned alarm setpoint.
Low Temperature Temperature is below user defi ned alarm setpoint.
High Humidity Humidity is above user defi ned alarm setpoint
Low Humidity Humidity is below user defi ned alarm setpoint.
Sensor Failure Sensor is disconnected or faulty.
Communication Failure External and/or internal communication lost (BMS or pLAN)
Condensate Pan Full Water level in condensate pan is reaching an unsafe level.
Water Water leak sensed by leak detector.
High Airfl ow Air velocity is above user defi ned setpoint.
Low Airfl ow Air velocity is below user defi ned setpoint.

Stulz E2 Series Specifications

General

Brand	Stulz
Model	E2 Series
Category	Controller
Language	English