Emerson Figure i manual General piping arrangement

Page 12

Installation

Figure 6 General piping arrangement

SINGLE CIRCUIT = 1 - 5 Tons

DUAL CIRCUIT = 8 Tons

Condenser

Coil

High Pressure

Switch

	Compressor *
Liquid Injection
Valve Bulb	Hot Gas Bypass
	Hot Gas Bypass
	Solenoid Valve
Suction Line	3 - Way Head	Pressure Relief Valve
Suction Line	Pressure
Male Quick	Control Valve		Sight
Connect Coupling	Hot Gas Bypass	Check Valve	Sight
	Control Valve	Check Valve	Glass
Liquid Injection
Valve
	Liquid Line		Liebert Lee-Temp
	Solenoid Valve		Liebert Lee-Temp
		Receiver Heater	Receiver
		Receiver Heater
		Pressure Limiting	Pressure Balancing
		Switch	Pressure Balancing
Liquid Line Male Quick			Valve
Connect Coupling	SINGLE CIRCUIT SHOWN
	SINGLE CIRCUIT SHOWN
* Reciprocating compressor 1 Ton, 60Hz		DPN000129 REV 1
Scroll compressor 1 Ton, 50Hz and 1-1/2 to 8 Tons

8

Image 12

Contents Liebert Prop Fan Condensing Unit Example PFH037A-PL7 = 380/415-3ph-50HzTable of Contents Figures Prop Fan Condensing Units Optional EquipmentEquipment Inspection Location ConsiderationsDimensional Data Net WeightModel Numbers Dimensional Data, in. mm Lb. kg 60Hz 50Hz Cabinet and floor planning data, horizontal air dischargeFootprint Dimensions Wall Mounting Piping and Electrical Connections Electrical and piping connections, horizontal air discharge152 PFH096A- LGeneral piping arrangement Electrical field connections, 1- to 5-ton units Top Air Discharge ModelsElectrical field connections, 8-ton units Single-phase, 1-3 ton model schematic, typical Three-phase, 3-5 ton model schematic, typical Three-phase, 8 ton model schematic, typical Piping Considerations Piping for Elevation Differences between PFH and EvaporatorEvaporator Condensing UnitEquivalent lengths for various pipe fittings, ft m Pre-Charged Line Sets Field-Fabricated Line SetsRefrigerant charge in Liebert pre-charged R-407C line sets Line Size Length Charge R-407C Ft. m Lb-oz kgLiebert PFH unit charge levels and coupling size Recommended line sizes, OD CuInstallation of Piping to Units Piping connection sizes and torqueLine charges refrigerant per 100 ft m of Type L copper tube Line Size OD Cu Coupling Size Torque, lb-ft. N-mFilter Drier Selection and Installation Install the New Condensing UnitRemove Existing Condensing Unit General System Charge Requirements Evaporator Charge LevelsEvaporator Charge R-407C Indoor Unit Models Oz kg Low-Voltage Control Wire Connections Low-Voltage Control Wire SizingElectrical Connections Nominal Input Voltage- Phase Capacity Electrical Nominal Input Voltage-Phase Capacity ElectricalElectrical Data Electrical data-High ambient models 105F/41C 60HzElectrical data-Quiet-Line models 95F/35C 60Hz Electrical data-High ambient models 105F/41C 50HzChecklist for Completed Installation Electrical data Quiet-Line models 95F/35C 50HzCompressor High Head PressureLiebert Lee-Temp Flood Back Head Pressure Control Adjustment Hot Gas BypassOperation Hot gas bypass diagram General Compressor FailureElectrical Failure-Burnout Mechanical FailureCompressor Replacement Field Charge Verification Field verification chargeModel Numbers 407C 60 Hz 50 Hz Oz kg Troubleshooting Problem Cause RemedySingle-Phase&Three-Phase UPS Environmental Systems Web Site MonitoringUni Etwo