Ebtron Advantage IV Series User Manual

3-O&M_Settings_r1r Section 3Page 33
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3.12. AIRFLOW ALARM SETTINGS
A high/low airflow notification alarm is provided with all models covered in this manual. An “active” alarm is
displayed on the LCD and can be assigned to analog output AO2 or the contact closure relay (relay only
available with EF-x2000 transmitters).
 The airflow alarm is only applicable to location 1 on dual location transmitters.
 The -B probe type high/low airflow alarm is configured as a high/low pressure alarm when DP
CONVERT=YES.
To assign the alarm to analog output, AO2, see “AO2 Assignment”. AO2 becomes a binary high/low output
with the inactive state based on the setting for NO FAULT.
To assign the alarm to relay, R1 (EF-x2000 only), see “R1 Assignment”.
 If the alarm is assigned to AO2 the default output on an inactive alarm, NO FAULT, is set to HI (100%
output, or positive notification, on an inactive alarm). NO FAULT can be set to LO (0% output) on an
inactive alarm, if desired. See “AO2 Output on an Inactive Notification Alarm” for more information.
The ALARM submenu contains the following parameters:
• LO ALRM (Low Alarm Enable)
• HI ALRM (High Alarm Enable)
• ALRM UM (Alarm Units of Measure)
• SETPOINT (Alarm Setpoint)
• TOL (Alarm Tolerance)
• DELAY (Alarm Delay)
• ZERO OFF (Alarm on Zero Flow)
• RESET (Alarm Reset Method)
3.12.1. Low Alarm Enable [LO ALRM]
Enable the low airflow alarm.
[Menu path: SETTINGS >↓ ALARM >↓ LO ALRM]
Default: OFF
Optional Settings: ON
An enabled low airflow alarm results in an “active” alarm state when the average airflow rate measured by the
transmitter falls below the alarm setpoint less tolerance (alarm state = “outside”) for the entire delay period
specified. The alarm can be configured to reset automatically or require manual reset when the alarm state
returns to “normal”. The alarm can be disabled when the airflow rate output is 0% (either measured or forced
to 0% by the low limit cutoff) to disable alarming when the system is in “off” or “unoccupied” modes.
3.12.2. High Alarm Enable [HI ALRM]
Enable the high airflow alarm.
[Menu path: SETTINGS >↓ ALARM >↓ HI ALRM]
Default: OFF
Optional Settings: ON
An enabled high airflow alarm results in an “active” alarm state when the average airflow rate measured by
the transmitter exceeds the alarm setpoint plus tolerance (alarm state = “outside”) for the entire delay period

Ebtron Advantage IV Series Specifications

General

Brand	Ebtron
Model	Advantage IV Series
Category	Measuring Instruments
Language	English