Vertiv Liebert XD Series, System Design Manual

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UNIT CODE MISSING
—Activated when a valid unit code has not been entered and saved. To
reset, enter valid unit code, save and execute.
•
WATER UNDER FLOOR
—Activated when Customer Input 1 is configured for “Water Alarm”
and 24VAC is applied to the input. This alarm is reset when the 24VAC is removed.
7.5 Warning Descriptions
•
COMPRESSOR 1A HRS EXCEED
—Activated when the Compressor 1A Actual Hours exceeds
the user-specified limit. To reset, Actual Hours must be reset to 0.
•
COMPRESSOR 1B HRS EXCEED
—Activated when the Compressor 1B Actual Hours exceeds
the user-specified limit. To reset, Actual Hours must be reset to 0.
•
COMPRESSOR 2A HRS EXCEED
—Activated when the Compressor 2A Actual Hours exceeds
the user-specified limit. To reset, Actual Hours must be reset to 0.
•
COMPRESSOR 2B HRS EXCEED
—Activated when the Compressor 2B Actual Hours exceeds
the user-specified limit. To reset, Actual Hours must be reset to 0.
•
PUMP 1 HRS EXCEED
—Activated when the Pump 1 Actual Hours exceeds the user-specified
limit. To reset, Actual Hours must be reset to 0.
•
PUMP 2 HRS EXCEED
—Activated when the Pump 2 Actual Hours exceeds the user-specified
limit. To reset, Actual Hours must be reset to 0.
•
LOSS OF POWER
—Activated when the unit is On and operational and 24VAC power to the
control is lost. This alarm will be emitted when power is restored to the control. The Liebert XDC
will restart at a user-defined time delay after power is restored. Once activated, the alarm will
remain activated for 30 minutes.
7.6 Liebert XDP Alarms
NOTE: Alarms
must be acknowledged
before they can be reset. To acknowledge or silence an alarm,
press the ALARM key one time. This will silence the alarm; the red LED will remain illuminated until the
alarm is reset.
CALL SERVICE
—Activated when Customer Input 1 is configured for “Call Service” and 24VAC is applied
to the input. This alarm is reset when the 24VAC is removed.
CONDENSATION DETECTED (optional)
—Activated when water is detected at a cooling module. A
24VAC signal is applied to the condensation input on the control board using a pair of twisted wires or the
alarm is sent via CANbus communication. When this alarm is active, the control will raise its refrigerant
control point by 4°F (2.2°C). This alarm will reset when the alarms is acknowledged and the signal stops
being sent from CANbus or condensation input. The alarm can also be reset by cycling the power. The
main power must be cycled to remove the 4°F (2.2°C) offset.
CONTROL VALVE FAILURE
—Activated when the chilled water control valve has been commanded to
open or close by the control and no change is detected by the valve position signal. The alarm is reset
when the main power is cycled.
CUSTOMER INPUT 1
—Activated when a 24VAC signal is applied to the customer alarm input on the
control board. This alarm will reset when the 24VAC signal stops being sent from the customer alarm
input. WATER UNDER FLOOR, SMOKE DETECTED, CALL SERVICE, and COMP LOCK PD are possible
designations for this alarm; they are set with the Unit Code.
FAN FAILURE (optional)
—Activated when a 24VAC signal is applied to the fan failure input on the
control board using a twisted pair of wires or the alarm is sent via CANbus communication. This alarm will
reset when the alarms is acknowledged and the signal stops being sent from CANbus or fan failure input.
The alarm can also be reset by cycling the power.
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