AbsolutAire UC-3 Benutzerhandbuch - Seite 10
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Alarms (alarm menu is only visible if an alarm is present)
Space Sensor [MSV8] R – Space sensor alarm status. Enumerated
"no-fault/open/short". Check sensor wiring.
Outside Sensor [MSV9] R – Outside sensor alarm status.
Enumerated "no-fault/open/short". Check sensor wiring.
Discharge Sensor [MSV10] R – Discharge sensor alarm status.
Enumerated "no-fault/open/short". Check sensor wiring.
Burner Lockout [MSV12] R – Burner lockout alarm status. Indicates
the burner failed to light when requested. Enumerated "normal/lockout".
Low Temp Alarm [MSV14] R – Low temperature lockout alarm. This
is an indication that the unit was discharging air colder than the "Low Temp
Alarm" setting in the "Config" menu for greater than "Low Temp Time"
minutes. Check the burner for proper operation.
Dirty Filter [MSV13] R – Dirty filter indication (only available if the
unit has dirty filter monitoring as an option).
Motor Alarm [MSV11] R – Motor not responding alarm status. This
indicates the unit was enabled and the supply fan motor failed to start
within two minutes. Check VFD or overload (as available), OA damper limit
switch and wiring, and power.
Burner Response [MSV6] R - Indicates the burner was commanded
to light and the controller did not receive confirmation.
Burner Watchdog [MSV7] R - Indicates the burner did not reach the
requested discharge temperature within 5 minutes. Possible problem with
gas pressure or gas valves.
Hardware Override [MSV1 - MSV5] R - Indicates a hardware point
was overridden by the building management system. As all control points
are available to the network, overrides are unnecessary. Remove the
override to clear the alarm.
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