Temperature Electronics Ltd. AFA1000/1 MK2, Инструкция по установке и эксплуатации

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Version 01 / p.13
AFA1000/1 MK2 Airflow Monitor
Installation & Operating Manual
2.4 Additional Alarms and Events
Mains Fail -
will be displayed if the power fails to the monitor (when enabled)
*Note – this is an optional extra feature that requires an
additional battery unit
Low Temp -
will be displayed if the fume cupboard temperature drops
below the low temp alarm point (when enabled). This display will
alternate on/off with the velocity reading.
*Note – this is an optional extra feature that requires an
additional temperature sensor
High Temp -
will be displayed if the fume cupboard temperature rises above the
high temp alarm point (when enabled)
*Note – this is an optional
extra feature that requires an additional temperature sensor
2.5 LED Indicators
The alarm unit has three LED indicators:
RED –
Alarm
Amber –
Caution
Green –
Safe
The RED Alarm LED will be permanently illuminated if pushbutton 1 is set to Fan
On/Off and is switched off.
2.6 Audible Alarm Sounder
The AFA1000/1 has an audible sounder with local or remote mute facility. The audible
alarm can be permanently disabled in the cal config menu.
The audible alarm is muted if Fan Off is selected on pushbutton 1 or when the Mute,
Setback or Alarm Disable input functions are active.
The display will show a Mute Icon in the bottom left hand side of the screen
whenever the audible alarm is muted or disabled.
If an Input is set to the Mute function the keypad mute Enter button is disabled and
the audible alarm is only mutable using the selected Mute input.