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Table 32. General unit alarming (continued)
HVAC Critical Alarm.
Diagnostic: Discharge Air Low Temperature Source Failure (In Alarm)
Notification Class
HVAC Critical Alarm.
Diagnostic: Discharge Air High Temperature Source Failure (In Alarm)
Notification Class
HVAC Critical Alarm.
Duct Static Pressure Failure (In Fault)
Notification Class
PKG-SVX027C-EN
Unit will shut down and be
The temperature sensor is
prevented from running
reading either above is
until this sensor is in a
maximum value or below
normal state.
is minimum value,
resulting in a Fault
Condition after 3 point
updates.
Action
Unit will shut down and be
The discharge air
prevented from running
temperature is less than
until this sensor is in a
or equal to the Discharge
normal state.
Air Low Temperature
Cutout for 10 minutes.
Action
Unit will shut down and be
The discharge air
prevented from running
temperature is more than
until this sensor is in a
or equal to the Discharge
normal state.
Air High Temperature
Cutout for 10 minutes.
Action
•
Sensor is not wired
properly: Verify
sensor wiring to the
XM Module.
•
XM Module is not
communicating.
Ensure that the XM
Module is up and
talking to the UC600.
•
Sensor has Failed.
Verify if sensor has
any resistance on it,
should be 8-12k of
resistance on the
thermistor.
Typical Causes
Reason
Cold entering air to the
unit.
Typical Causes
Reason
•
Hot Entering Air to
the unit.
•
Hot Water valve stuck
open.
Typical Causes
Reason
D D i i a a g g n n o o s s t t i i c c s s
Manual Reset Required
once the issue is resolved.
User must toggle the
Alarm Reset value.
Reset Required
Manual Reset Required
once the issue is resolved.
User must toggle the
Alarm Reset value.
Reset Required
Manual Reset Required
once the issue is resolved.
User must toggle the
Alarm Reset value.
Reset Required
85
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