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Liebert 50 & 60Hz user manual Liebert Mini-Mate2, UserManual -8 Tons,50& 60Hz, Precision Cooling

Models: 50 & 60Hz 8 Tons

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Precision Cooling

Precision Cooling

For Business-Critical Continuity™

Liebert Mini-Mate2™

User Manual - 8 Tons, 50 & 60Hz

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Liebert 50 & 60Hz user manual Liebert Mini-Mate2, UserManual -8 Tons,50& 60Hz, Precision Cooling

Contents

UserManual -8 Tons,50& 60Hz Liebert Mini-Mate2Precision Cooling For Business-CriticalContinuityPage TABLE OF CONTENTS 3.0 MICROPROCESSOR CONTROL 5.0 ALARMS TABLES FIGURESTable iii Heat rejection matchup - 60 Hz MODEL NUMBER NOMENCLATURETable iv Heat rejection matchup - 50 Hz Page 1.1.1Controls 1.0PRODUCT FEATURESChilled-WaterModel 1.1.3Condensing Unit Components1.2.2Electric Reheat 1.2.1Canister Humidifier1.2.3SCR Electric Reheat 1.2.4Hot Gas Bypass Condensing Units1.3.2Refrigerant Line Sweat Adapter Kits 1.3.1Single Point Power Kit1.3.3Return Air Filter Box with Duct Collar Kit 1.3.4Condensate Pump Kit2.0SITE PREPARATION AND INSTALLATION 2.1Installation Considerations2.1.1Room Preparation 2.1.2Location Considerations Site Preparation and InstallationSite Preparation and Installation Figure 1 System configurations-aircooled systemsEvaporator EvaporatorUnit weights 2.2System Weights2.3Equipment Inspection upon receipt Evaporator2. Use the Nylock nuts to “jam” the plain nuts Figure 5 Close coupled installation 2.4.1Close Coupled Installations2.4.2Evaporator Air Distribution Filter Box Site Preparation and InstallationConnections for Ducted Systems Site Preparation and Installation Figure 6 Drain installationCondensate Pump Figure 7 Condensate pump installationHumidifier Water Supply Line AIR INLETDPN000236 Rev0 Chilled-Water Piping-Chilled-waterSystems OnlyRefrigerant R-22Piping Figure 9 Refrigerant piping diagramRecommended refrigerant line sizes Quick Connect Fittings Total refrigerant = Units and LinesTable 7 8-tonunit refrigerant charge Line charges field pipingDPN000240 Rev0 OPTIONAL FILTER BOXFRONT OF UNIT Power Connections Evaporator unit electrical connections Site Preparation and Installation2.5.1Location Considerations Site Preparation and Installation2.5.2Ducting General ConsiderationsSite Preparation and Installation Power Connections2.5.3Piping Connections 2.5.4Electrical Connections - Condensing UnitDPN000248 Rev1 Heat rejection connection.Field Site Preparation and Installation2.6.1Location Considerations Power Connections2.6.2Piping Connections 2.6.3Electrical ConnectionsDPN000135 Rev0 Electric service connectionHigh voltage Low voltageSite Preparation and Installation FOOTPRINT DIMENSIONSDPN000131 Rev0 SL-11081Page7 Site Preparation and Installation2.7.2Piping Connections 2.7.1Location ConsiderationsWater/Glycol Piping Considerations Condensing Unit Fluid RequirementsSite Preparation and Installation Site Preparation and Installation Two circuits provided. Single circuit shown Site Preparation and InstallationSL-11088Pg7 2.8.1Free-CoolingCoil GLYCOOL 2.8Optional Equipment PipingSite Preparation and Installation 2.9Checklist for Completed Installation 3.0MICROPROCESSOR CONTROL 3.1Feature OverviewFigure 23 Wall box 3.2Main Menu Menu 3.6Alarm History 3.5Active AlarmsTable 10 Default setpoints and allowable ranges 3.3Setpoints3.10.1Restart Time Delay 3.10Setup Operation3.7Time 3.8Date3.10.2C/F Degrees 3.10.5Show DIP Switch3.10.3Humidity Control Method 3.10.4Lead Compressor3.13Alarm Enable 3.11Change Passwords3.12Calibrate Sensors 3.15Common Alarm Enable 3.14Alarm Time Delay3.16Custom Alarms Table 13 Alarm default time delaysTable 15 Switch settings wallbox board Equipment Options Switches3.17Custom Text LCD Display ContrastTest Outputs 3.18Run DiagnosticsTest Inputs Fan turned on with all loadsFigure 24 Control menu Test MicroMicroprocessor Control Page 4.2.2Chilled-WaterCooling 8 Ton 4.0SYSTEM PERFORMANCE MICROPROCESSOR CONTROLS4.2.3GLYCOOL Cooling 8 Ton 4.3.1Electric Reheat - Staged4.6Communications 4.5Load Control Features4.4.2Humidification Operation System Activation 4.4.3Dehumidification Lockout5.1.1Custom Alarms 5.0ALARMS5.1.2High Head Pressure Air-CooledSystems5.1.5Humidifier Problem Alarm 5.1.4Temperature5.1.6High-WaterAlarm 5.1.7Loss of Power5.2.1Change Filter 5.2Optional/Custom Alarms5.2.2Firestat 5.2.3Smoke Detector6.1.1Environmental Control Functions 6.0SYSTEM OPERATION, TESTING, AND MAINTENANCE6.1.2Cooling 6.1.3Heating6.2.2Filters 6.2.1Electric Panel6.2.3Blower System Air Distribution6.2.5Refrigeration System 6.2.4Electric ReheatSuction Pressure Discharge PressureAdjustment Glycol Solution MaintenanceRegulating Valves Water/Glycol Condensing Units Hot Gas Bypass OptionalReplacement Procedures System Operation, Testing, and Maintenance Replacing the Humidifier Canister 6.2.7Circuit Board AdjustmentsFILTERS 7.0MAINTENANCE INSPECTION CHECKLISTBLOWER SECTION REHEATTable 18 Troubleshooting 8.0TROUBLESHOOTINGTroubleshooting Troubleshooting Table 18 Troubleshooting continuedTroubleshooting Troubleshooting Troubleshooting Page 0f Mission-CriticalData And Applications Ensuring The High Availabilitythat from