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AEC A0551794 RS Series Manual
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Contents
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Screw Compressor Central Chiller Chapter 4: Operation 40Active Alarm List and Alarm History ScreensThese two screens let you view any active alarm conditions as well as the alarm history or theentire history. The list of system alarms that are tracked are as follows:x Chilled Water High Temperature Alarmx Chilled Water Low Temperature Alarmx Compressor Motor Protector Fault (One for each compressor)x Chilled Water Circuit Low Flow (One per chilled water circuit)x Chilled Water Circuit Freezestat (One per chilled water circuit)x Chilled Water Circuit High Pressure (One per chilled water circuit)x Chilled Water Circuit Low Pressure (One per chilled water circuit)x Pump motor overload (One per system pump)If an alarm condition occurs the follow screen is displayed:Alarm Condition ScreenTo acknowledge the alarm, press F1 to clear the alarm. It will then appear in the alarmhistory screen. Except for High and Low Water Temperature, and Low Refrigerant Pressure,these alarms are considered fatal and maintenance must be preformed in order to allow thechiller to fully run. Should a compressor or pump turn off from an alarm condition, theremaining will shut down and display FAULT in the status screen for the device.Once a device has gone offline you will need to contact a licensed professional (electrician orrefrigeration sevice company) to bring the device back online.Caution! Never attempt to service a unit until a qualified electrician has opened andlocked out the main disconnect using OSHA 1910.147 standards.All electrical connections must be done by a qualified electrician.WARNING!Disconnect all power to the unit, let the unit cool down, and turn off the water prior toany servicing.Failure to do so can result in SERIOUS INJURY OR DEATH! |
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