Liebert 8 Tons, 50 & 60Hz user manual 11-1/2, 152, 292

Page 34

Site Preparation and Installation

Figure 17 Piping and electrical connections - outdoor condensing unit

SL-11081Page7

Model Numbers		Electrical Connections In. (mm)			Piping Connections In. (mm)

60 Hz	50 Hz	A	B	C	D	E	F	G

PFC096A-L	PFC095A-L	2	6	8-1/2	4-3/4	7-3/4	8-1/2	11-1/2
		(51)	(152)	(216)	(121)	(197)	(216)	(292)

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Image 34

Contents Liebert Mini-Mate2 Page Table of Contents Microprocessor Control System Performance Microprocessor ControlsAlarms System OPERATION, TESTING, and MaintenanceFigures Table iii Heat rejection matchup 60 Hz Table iv Heat rejection matchup 50 HzPage Standard Product Features Optional Equipment Ancillary Ship Loose Accessories Room Preparation Installation ConsiderationsInput Voltage Entering Fluid Temperature Min Application limits, evaporator and chilled-water unitsLocation Considerations Drycooler Evaporator Unit weights System WeightsEquipment Inspection upon receipt Nylock Installing the Evaporator or Chilled-Water UnitsLocking nut Hex nut Close Coupled Installations Nut Clamps are for shipping purposes onlyEvaporator external static pressure 60 at 3750 CFM 6371 CMH Evaporator Air Distribution Filter BoxConnections for Ducted Systems Hp Motor std Hp Motor opt Turns External OpenDrain installation Piping Connections and Coolant Requirements Drain LineCondensate Pump Humidifier Water Supply LineGeneral arrangement diagram chilled-water systems Chilled-Water Piping-Chilled-water Systems OnlyRecommended refrigerant line sizes Refrigerant R-22 PipingEquivalent Suction Feet Circuit Liquid Line Ton unit refrigerant charge Total refrigerant = Units and LinesQuick Connect Fittings Line charges field pipingOptional Filter BOX Power Connections Electrical Connections, Evaporator or Chilled-Water UnitEvaporator unit electrical connections Front of UnitGeneral Considerations DuctingConsiderations for Specific Applications Electrical Connections Condensing Unit Piping ConnectionsControl Connections DPN000248Rev1 Heat rejection connection. Field Outdoor Air-Cooled Condensing Unit Installation Electrical ConnectionsLow voltage Electric service connectionHigh voltage Earth ground connectionFootprint Dimensions 152 11-1/2292 Condensing Unit Fluid Requirements Water/Glycol Piping ConsiderationsRegulating Valve Indoor water/glycol condensing unit dimensional data Site Preparation and Installation Two circuits provided. Single circuit shown Optional Equipment Piping Optional free cooling coil 3-way valve on water/glycol unitsOptional free cooling coil 3-way valve on air-cooled units Checklist for Completed Installation Feature Overview Wall boxMain Menu Menu Default setpoints and allowable ranges Active AlarmsAlarm History SetpointsTime Setup OperationRestart Time Delay DateHumidity Control Method Show DIP Switch10.2 C/F Degrees Lead CompressorSetup functions, default values and allowable ranges Change PasswordsAlarm Enable Calibrate SensorsCustom Alarms Alarm Time DelayCommon Alarm Enable Alarm default time delaysLCD Display Contrast Equipment Options SwitchesCustom Text Nonvolatile MemoryTest Outputs Run DiagnosticsTest Inputs Test Micro TB3-3 Connection to Terminal #3 Wallbox TB3-1 TB3-2 TB3-3 TB4-4 Wall Box DIP SwitchesTB3-4 Connection to Terminal #4 Wallbox TB3-2 Connection to Terminal #2 WallboxCooling Control Type Response Proportional ControlReheat Communications Load Control FeaturesDehumidification / Humidification Percent Required Humidification Operation System ActivationHigh Head Pressure Alarms Definitions and TroubleshootingCustom Alarms Air-Cooled SystemsHigh-Water Alarm TemperatureHumidifier Problem Alarm Loss of PowerOptional/Custom Alarms Change FilterSystem Testing Maintenance and Component Operation Discharge Pressure Refrigeration SystemSuction Pressure Thermostatic Expansion ValveRegulating Valves Water/Glycol Condensing Units Glycol Solution MaintenanceHot Gas Bypass Optional Replacement Procedures Steam Generating Humidifier Operation Procedures Replacing the Humidifier Canister Circuit Board AdjustmentsHumidifier control board DIP switch settings AmpsMaintenance Inspection Checklist Troubleshooting Display freezes Symptom Possible Cause Check or Remedy Cooling cycle tooShort Control padsTroubleshooting Troubleshooting Troubleshooting Page Tin NetIti That