3-O&M_Settings_r1r Section 3Page 34
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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.
3.12.3. Alarm Units of Measure [ALRM UM]
3.12.3.1. ALL PROBE TYPES EXCEPT THE -B PROBE TYPE CONFIGURED FOR PRESSURE
(DPCONVERT=YES)
The airflow units of measure used to activate the airflow alarm.
[Menu path: SETTINGS >↓ ALARM >↓ ALRM UM]
Default: FPM [m/s]
Optional Settings: CFM [L/s]
The area parameter(s) [AREA] of -F and -U and -B probe types must be entered (i.e. not equal to the
factory default value of {null}) for the LCD UM=CFM [L/s] option to be available. “ENTER AREA
<OK>” will be displayed when CFM [L/s] is selected. Press ENT or ESC to return to the “*ALRM
UM=FPM [L/s]” menu prompt.
3.12.3.2. -B PROBE TYPE CONFIGURED FOR PRESSURE (DPCONVERT=YES)
The pressure units of measure used to activate the pressure alarm.
[Menu path: SETTINGS >↓ ALARM >↓ ALRM UM]
Default: iWG [Pa]
Optional Settings: None
3.12.4. Alarm Setpoint [SETPNT]
The setpoint used to activate the airflow alarm.
[Menu path: SETTINGS >↓ ALARM >↓ SETPOINT]
3.12.4.1. ALL PROBE TYPES EXCEPT THE -B PROBE TYPE
3.12.4.1.1. ALRM UM = FPM [m/s]
Default: 0
Optional Settings: 0 to 999999 (FPM) [0.00 to 99.9 9 (m/s)]
3.12.4.1.2. ALRM UM = CFM [L/s]
Default: 0
Optional Settings: 0 to 999999 (CFM) [0.00 to 999999 (L/s)]
3.12.4.2. -B PROBE TYPE
The optional settings range is ± if DIRECTION=BI.
3.12.4.2.1. ALRM UM = FPM [m/s]
Default: 0
Optional Settings: 0 to 999999 (FPM) [0.00 to 99.99 (m/s)]
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