QUANTUM NXT DI HEATER OPERATION / MAINTENANCE MANUAL
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When the heater system enters an alarm state the heater is turned off and a
horn sounds. This horn can be turned off by pressing the reset button on the
front door. If the original cause of the alarm has not been cleared by the time
the heater is turned back on, the system will return to the alarm state. Refer
to the “Non-Fatal Alarms” section 4.5 for details about non-fatal alarms.
Alarm Name
Function
Pressure Alarm
Insufficient inlet water supply pressure
Liquid Level Alarm
Insufficient fluid level
Liquid Leak Alarm
Fluid Leak Detected – water in base area or fluid on
back side of burst device (for optionally installed
burst device rupture sensor)
Over Temperature Alarm
One or more elements in a heater module have
exceeded the protective temperature limit or the
process value has exceed 110°C
3.5.c Module Status Page
Figure 3-4: Module Status Page
The module status page shows the temperatures of each bank of heater
modules. Each individual heater element’s status is indicated by the
green boxes. If a box turns red, that element is likely failed. See Section
7.1.a for more details.
