Liebert 50 & 60Hz, 8 Tons user manual DPN000248Rev1

Page 29

Site Preparation and Installation

Figure 13 Indoor air-cooled centrifugal condensing unit dimensions and pipe connections

Customer supplied threaded rods for module support from ceiling (1/2" minimum diameter recommended) (typ. 4).

13/16"

(21mm)

66 9/32 " (1683.5mm)

CABINET

DIMENSION

1 13/16 " (40mm)

59 13/16 " (1519mm)

40 5/32 " (1020mm)

CABINET DIMENSION

19 1/32 "

 

(483mm)

8 13/16 "

 

(224mm)

1 3/32 " (26mm)

23 7/8 " (606mm)

42 17/32 " (1080.3mm)

THREADED ROD

CENTERS

64 1/4 " (1632mm)

THREADED ROD

CENTERS

16 5/16 " (414mm)

26 3/8 " (670mm)

Shaded area indicates a recommended clearance of 30" (762mm)for component

Hanger access and removal. Bracket

NOTE: Unit is spaced evenly in

 

reference to threaded

9/16" (14mm) dia. holes for

rod centers.

threaded rods (typ. 2 each end)

Air Inlet

Single Point Power Kit connection from Evaporator.

System 1 (3Ton) Suction Line Connection,

Aeroquip #11 Male.

System 2 (5Ton) Suction Line Connection,

Aeroquip #12 Male.

System 1 (3Ton) Liquid Line Connection,

Aeroquip #6 Male.

Air Outlet

7/8" (22mm) & 1 1/8" (29mm) dia. knockouts electrical entrance for high voltage connection

System 2 (5Ton) Liquid Line Connection,

Aeroquip #10 Male.

7/8" (22.2mm) dia. knockout electrical entrance for alternate control panel low voltage routing.

7/8" (22.2mm) dia. electrical entrance for low voltage connection.

DPN000248_Rev1

21

Image 29
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 Input Voltage Entering Fluid Temperature Min Installation ConsiderationsRoom Preparation Application limits, evaporator and chilled-water unitsLocation 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 InstallationsConnections for Ducted Systems Evaporator Air Distribution Filter BoxEvaporator external static pressure 60 at 3750 CFM 6371 CMH Hp Motor std Hp Motor opt Turns External OpenPiping 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 Quick Connect Fittings Total refrigerant = Units and LinesTon unit refrigerant charge Line charges field pipingOptional 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 InstallationHigh voltage Electric service connectionLow voltage Earth ground connectionFootprint 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 Alarm History Active AlarmsDefault setpoints and allowable ranges SetpointsRestart Time Delay Setup OperationTime Date10.2 C/F Degrees Show DIP SwitchHumidity Control Method Lead CompressorAlarm Enable Change PasswordsSetup functions, default values and allowable ranges Calibrate SensorsCommon Alarm Enable Alarm Time DelayCustom Alarms Alarm default time delaysCustom Text Equipment Options SwitchesLCD Display Contrast Nonvolatile MemoryTest Inputs Run DiagnosticsTest Outputs Test Micro TB3-4 Connection to Terminal #4 Wallbox TB3-1 TB3-2 TB3-3 TB4-4 Wall Box DIP SwitchesTB3-3 Connection to Terminal #3 Wallbox TB3-2 Connection to Terminal #2 WallboxReheat Control Type Response Proportional ControlCooling Dehumidification / Humidification Percent Required Load Control FeaturesCommunications Humidification Operation System ActivationCustom Alarms Alarms Definitions and TroubleshootingHigh Head Pressure Air-Cooled SystemsHumidifier Problem Alarm TemperatureHigh-Water Alarm Loss of PowerChange Filter Optional/Custom AlarmsSystem Testing Maintenance and Component Operation Suction Pressure Refrigeration SystemDischarge Pressure Thermostatic Expansion ValveHot Gas Bypass Optional Glycol Solution MaintenanceRegulating Valves Water/Glycol Condensing Units Replacement Procedures Steam Generating Humidifier Operation Procedures Humidifier control board DIP switch settings Circuit Board AdjustmentsReplacing the Humidifier Canister AmpsMaintenance Inspection Checklist Troubleshooting Short Symptom Possible Cause Check or Remedy Cooling cycle tooDisplay freezes Control padsTroubleshooting Troubleshooting Troubleshooting Page Iti NetTin That