Emerson 3000 installation manual AIR Cooled

Page 78

Line Voltage Electric Power Supply Conduit Voltage

Heat rejection connection. Field-supplied 24V NEC Class 2 wiring. See Note 2. Wire connections from evaporator module. 1. 24V GND

2. 24V supply

3. High pressure alarm (optional)

4. Hot gas bypass connection (only on units with hot gas bypass)

Split System Models

Figure 39 5-ton centrifugal air-cooled condensing unit dimensional data (con’t.)

Field-Supplied Unit Disconnect

Switch when Factory Unit

Disconnect Switch is not Supplied

Electric service not by Liebert

Optional

Factory-Installed

Disconnect Switch

AIR COOLED

Connection terminal for field-supplied earth grounding wire

Removable Access Panels

Field-Supplied 24V NEC Class 2	Low-voltage
wiring between condensing unit	Low-voltage
and fan/coil unit	electric power
	supply conduit
	entrance

NOTES:

Refer to specification sheet for full load amp and wire size amp ratings. Control voltage wiring must be a minimum of 16 GA (1.6mm) for up

to 75’ (23m) or not to exceed 1 volt drop in control line.

DPN000226

Rev0

Liebert® Challenger 3000™

72

Image 78

Contents Liebert Challenger 3000 with Liebert iCOM Page Table of Contents Chilled Water Models Split System ModelsFigures R407C RefrigerantTables Important Safety Instructions Liebert Challenger Important Safety Instructions System Descriptions Centrifugal Fan Air-Cooled Split SystemsProp Fan Air-Cooled Water-CooledLocation Considerations Room PreparationEquipment Inspection Equipment HandlingRemoval of Skid Unit net weightHandling With Skid Model Lb. kgUpflow BU cabinet dimensions Floor Cutout Dimensions Piping Considerations Drain LinePiping connection size Piping connections for air-cooled units Downflow models Chilled Water Unit Connection Sizes-inPiping connections for air-cooled units Upflow models Installation Applicable to all Models Condensate Pump Line 1/2 OD CU used only Installation Applicable to all Models Installation Applicable to all Models Installation Applicable to all Models Installation Applicable to all Models Facility Fluid and Piping Maintenance Electrical ConnectionsHumidifier Supply Water-Optional Infrared Terminal Block For Customer Connectons Upflow Models with Liebert iCOM Downflow Models with Liebert iCOMUnder-Floor Discharge Systems Plenum InstallationBalancing the Air Distribution Ducted ApplicationsChecklist for Completed Installation Condenser Location Line VoltageLow Voltage Liebert Lee-Tempheater Common to all models. See below for key to a dimensionAir-cooled condenser statistics 43-9/16 51-7/16Refrigerant Piping Recommended line sizes OD copper, inches Equivalent lengths feet for various pipe fittingsCondenser refrigerant per serial tag Fan Speed Control Systems Variable Fan Speed Control PipingVariable Fan Speed Control Materials Supplied Fan speed suction pressure transducer settings Variable Fan Speed ChargingDPN000349 Rev DPN001726 Liebert Lee-Temp Leak Check and Evacuation Procedure Liebert Lee-Temp PipingLiebert Lee-Temp Controlled Materials Supplied Liebert Lee-Temp suction pressure transducer settings Liebert Lee-TempCharging407C Factory Piping Optional Piping Field Piping DPN001725 Condenser Factory Piping Field Piping Factory Piping Adjustment Water Regulating ValveManual Flushing Refrigerant control settings psi kPaMotorized Ball Valve-Digital Scroll Compressors ControlLocation Control MethodStartup Manual ControlDrycooler Installation Drycooler LocationPump and Drycooler Glycol Piping General GuidelinesRoom dew point temperatures Dry Bulb Wet Bulb Relative Dew Point HumidityExpansion Tanks, Fluid Relief Valves and Other Devices Volume in standard Type L copper pipingFilling Instructions Preparing the System for FillingGlycol Solutions Ethylene glycol concentrationsFilling the System See Note 30-1/4 For expansion tank dimensions, see on43-3/16 43-9/16 110 5mm 483mm 1097mmGlycol pump data Mounting hole dimensional dataDrycooler data Pump Pump Suction Pump Discharge Connection,Field Piping General arrangement-Glycol-cooled models with digital scroll Expansion Tank Field-Installed at Pressure Testing Valve Function Glycol Regulating ValveMotor Ball Valve-Digital Scroll Compressors Chilled Water Models WAY Valve Air-Cooled Condensing Units Water/Glycol-Cooled Condensing UnitsRefrigerant Loop Unit refrigerant charge R407C ChargeModel Lb kg Line charges refrigerant per 100 ft m of Type L copper tube Recommended refrigerant lines R407C sizes OD copperLine coupling sizes Quick Connect Fittings Unit Dimensions See Table Outdoor Air-Cooled Condensing UnitsPFCZ42A-L PFCZ41A-L Outdoor air-cooled condensing unit-top air discharge models See TablePiping and electrical connections top air discharge 36-1/4 38-1/2152 Field-supplied unit disconnect switch Ton High Ambient Ton Quiet-LineCentrifugal Air-Cooled Condensing Units Installing the Indoor Condensing UnitModel Net Weight 60 Hz 50 Hz Lb kg MC40A MC39A Indoor centrifugal condensing unitDucting Airflow CFM CMH Piping Connections Rev0 Wire connections from evaporatorDPN000207 ModTon centrifugal air-cooled condensing unit dimensional data AIR Cooled Water Cooled Ton Connection Sizes Water and Glycol-Cooled Condensing UnitsPiping Considerations Condenser Water RequirementsGlycol Systems Ton water/glycol-cooled condensing unitDPN000209 Ton water/glycol-cooled condensing unit dimensional data WATER/GLYCOL Temperature Gauge Pressure Psig KPa R407C RefrigerantTemperature Pressure Gauge Psig KPa Calculating SubcoolingExample Page Twor k Ne tPpor t Is t Care

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