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11.12 Service
Options Setup Menu Screens
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Figure 112 Service menus—Options setup parameters - Page 1
S403 Low Pressure Alarm Delay—Sets the length of time that the unit will ignore a low pressure
condition. This parameter has also been referred to as a Winter Start Time. This parameter permits
the Liebert iCOM to ignore the low pressure transducer reading during low outside temperatures. It
allows refrigerant pressure to build and avoids nuisance low pressure trips. This parameter can be set
between 0 to 5 minutes.
S406 Electric Stages—A Liebert CRV can have only 0 or 1 heating stages.
S407 Heater On at CFC—The selection on which point in the proportional band the heater will start
66% (factory default)
S408 Water Detector—Three selections are available:
• No = No water Detector
• LWD = Selection provided for the Liebert LWD (Leakage Water Detector). A device that senses
water by means of electrical resistance. Not available on units manufactured by Liebert North
America.
• LQTECH = Selection provided for the Liebert Liqui-tect
Liqui-tect user manual, SL-31000, available at Liebert's Web site (www.liebert.com) for
connection/configuration details.
S409 Water Detector Function—allows to set the activity when water is detected
• Alarm: Activates the WATER UNDER FLOOR, no further action.
• Lockhum: Activates the WATER UNDER FLOOR and locks the humidifier out.
• Shutdown: Activates the WATER UNDER FLOOR and shuts the unit down.
S410 3P Actuator Runtime—If Valve Control is selected for Time, then this parameter sets the
travel time of the valve to determine the full open and closed position of the valve. This setting is
made at the factory based on the valves manufacturer specifications.
S411 3P Actuator Direction—Selects if the valve is a Direct or Reverse acting valve.
®
™
Liebert
CRV
Set Alarms Parameters for CW
Set Alarms Parameters for DX
(LT410 OR LT460). See the Liebert
®
126
®
Liebert iCOM
Control
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Troubleshooting
