Liebert 8 Tons, 50 & 60Hz user manual Figures

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FIGURES

Figure 1 System configurations—air cooled systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2 System Configurations—water/glycol systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 3 System Configurations—chilled water systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4 Threaded rod and hardware kit installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 5 Close coupled installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 6 Drain installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 7 Condensate pump installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 8 General arrangement diagram - chilled-water systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 9 Refrigerant piping diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 10 Evaporator or chilled-water unit dimensional data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 11 Evaporator unit electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 12 Piping connections - indoor air-cooled centrifugal fan condensing unit . . . . . . . . . . . . . . . . . . . . 20 Figure 13 Indoor air-cooled centrifugal condensing unit dimensions and pipe connections . . . . . . . . . . . . . 21 Figure 14 Indoor air-cooled centrifugal condenser electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 15 Electrical field connections - outdoor condensing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 16 Footprint dimensions - outdoor condensing unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 17 Piping and electrical connections - outdoor condensing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 18 Indoor water/glycol condensing unit dimensional data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 19 Indoor water/glycol condensing unit electrical field connections . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 20 System piping with indoor water/glycol-cooled condensing unit . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 21 Optional free cooling coil (3-way valve) on water/glycol units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 22 Optional free cooling coil (3-way valve) on air-cooled units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 23 Wall box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 24 Control menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 25 Control board (inside evaporator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 26 Wall box board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

TABLES

Table i Heat rejection matchup – 60 Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Table ii Heat rejection matchup – 50 Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Table 1 Application limits, evaporator and chilled-water units* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Table 2 Application limits, indoor and outdoor air-cooled condensing units . . . . . . . . . . . . . . . . . . . . . . . . 4 Table 3 Application limits, indoor water/glycol-cooled condensing units . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Table 4 Unit weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 5 Evaporator external static pressure (60) at 3750 CFM (6371 CMH). . . . . . . . . . . . . . . . . . . . . . . 10 Table 6 Recommended refrigerant line sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 7 8-ton unit refrigerant charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 8 Line charges (field piping)* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 9 Refrigerant quick connect sizes and torque. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 10 Default setpoints and allowable ranges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Table 11 Night and weekend setback plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Table 12 Setup functions, default values and allowable ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Table 13 Alarm default time delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Table 14 Equipment switch settings (unit control board) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Table 15 Switch settings (wallbox board) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Table 16 Typical discharge pressures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Table 17 Humidifier control board DIP switch settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Table 18 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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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 System Weights Unit weightsEquipment Inspection upon receipt Installing the Evaporator or Chilled-Water Units NylockLocking 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 OnlyRefrigerant R-22 Piping Recommended refrigerant line sizesEquivalent 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 UnitDucting General ConsiderationsConsiderations for Specific Applications Piping Connections Electrical Connections Condensing UnitControl Connections DPN000248Rev1 Heat rejection connection. Field Outdoor Air-Cooled Condensing Unit Installation Electrical ConnectionsLow voltage Electric service connectionHigh voltage Earth ground connectionFootprint Dimensions 11-1/2 152292 Water/Glycol Piping Considerations Condensing Unit Fluid RequirementsRegulating 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 MemoryRun Diagnostics Test OutputsTest 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 WallboxControl Type Response Proportional Control CoolingReheat 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 ValveGlycol Solution Maintenance Regulating Valves Water/Glycol Condensing UnitsHot 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