Liebert 50 & 60Hz, 8 Tons user manual

Contents Liebert Mini-Mate2 Page Table of Contents System Performance Microprocessor Controls Microprocessor ControlSystem OPERATION, TESTING, and Maintenance AlarmsFigures Table iv Heat rejection matchup 50 Hz Table iii Heat rejection matchup 60 HzPage Standard Product Features Optional Equipment Ancillary Ship Loose Accessories Application limits, evaporator and chilled-water units Installation ConsiderationsInput Voltage Entering Fluid Temperature Min Room PreparationLocation Considerations Drycooler Evaporator Equipment Inspection upon receipt System WeightsUnit weights Locking nut Hex nut Installing the Evaporator or Chilled-Water UnitsNylock Nut Clamps are for shipping purposes only Close Coupled InstallationsHp Motor std Hp Motor opt Turns External Open Evaporator Air Distribution Filter BoxConnections for Ducted Systems Evaporator external static pressure 60 at 3750 CFM 6371 CMHPiping Connections and Coolant Requirements Drain Line Drain installationHumidifier Water Supply Line Condensate PumpChilled-Water Piping-Chilled-water Systems Only General arrangement diagram chilled-water systemsEquivalent Suction Feet Circuit Liquid Line Refrigerant R-22 PipingRecommended refrigerant line sizes Line charges field piping Total refrigerant = Units and LinesQuick Connect Fittings Ton unit refrigerant chargeOptional Filter BOX Electrical Connections, Evaporator or Chilled-Water Unit Power ConnectionsFront of Unit Evaporator unit electrical connectionsConsiderations for Specific Applications DuctingGeneral Considerations Control Connections Piping ConnectionsElectrical Connections Condensing Unit DPN000248Rev1 Heat rejection connection. Field Electrical Connections Outdoor Air-Cooled Condensing Unit InstallationEarth ground connection Electric service connectionHigh voltage Low voltageFootprint Dimensions 292 11-1/2152 Regulating Valve Water/Glycol Piping ConsiderationsCondensing Unit Fluid Requirements Indoor water/glycol condensing unit dimensional data Site Preparation and Installation Two circuits provided. Single circuit shown Optional free cooling coil 3-way valve on water/glycol units Optional Equipment PipingOptional free cooling coil 3-way valve on air-cooled units Checklist for Completed Installation Wall box Feature OverviewMain Menu Menu Setpoints Active AlarmsAlarm History Default setpoints and allowable rangesDate Setup OperationRestart Time Delay TimeLead Compressor Show DIP Switch10.2 C/F Degrees Humidity Control MethodCalibrate Sensors Change PasswordsAlarm Enable Setup functions, default values and allowable rangesAlarm default time delays Alarm Time DelayCommon Alarm Enable Custom AlarmsNonvolatile Memory Equipment Options SwitchesCustom Text LCD Display ContrastTest Inputs Run DiagnosticsTest Outputs Test Micro TB3-2 Connection to Terminal #2 Wallbox TB3-1 TB3-2 TB3-3 TB4-4 Wall Box DIP SwitchesTB3-4 Connection to Terminal #4 Wallbox TB3-3 Connection to Terminal #3 WallboxReheat Control Type Response Proportional ControlCooling Humidification Operation System Activation Load Control FeaturesDehumidification / Humidification Percent Required CommunicationsAir-Cooled Systems Alarms Definitions and TroubleshootingCustom Alarms High Head PressureLoss of Power TemperatureHumidifier Problem Alarm High-Water AlarmChange Filter Optional/Custom AlarmsSystem Testing Maintenance and Component Operation Thermostatic Expansion Valve Refrigeration SystemSuction Pressure Discharge PressureHot Gas Bypass Optional Glycol Solution MaintenanceRegulating Valves Water/Glycol Condensing Units Replacement Procedures Steam Generating Humidifier Operation Procedures Amps Circuit Board AdjustmentsHumidifier control board DIP switch settings Replacing the Humidifier CanisterMaintenance Inspection Checklist Troubleshooting Control pads Symptom Possible Cause Check or Remedy Cooling cycle tooShort Display freezesTroubleshooting Troubleshooting Troubleshooting Page That NetIti Tin