Emerson Liebert Prop Fan Condensing Unit- Manuals

Product Description 1 1.0 P RODUCT D ESCRIPTION 1.1 Prop Fan Condensing Units Liebert propeller fan condensing units are available in a range of sizes and configurations to offer flexibility in designing a precision environmental control system. The appropriate propeller fan con- densing unit paired...

Installation 2 2.0 I NSTALLATION Read this entire installation section before starting installation. This section details dimensional, electrical and piping information and specifications that affect the placement of the PFH unit in rela- tion the connected evaporator unit, other outside units, barr...

Installation 3 2.3 Dimensional Data Figure 1 Dimensions, horizontal air discharge Table 1 Cabinet and floor planning data, horizontal air discharge Model Numbers Dimensional Data, in. (mm) Net Weight lb. (kg) 60Hz 50Hz A B C PFH014A-L PFH013A-L 40 (1016) 23-1/2 (597) 18 (457) 200 (91) PFH020A-L PFH0...

Installation 4 Figure 2 Dimensions, top air discharge Table 2 Electrical and piping connections, top air discharge Model Numbers Dimensional Data in. (mm) Module Net Weight lb. (kg) . 60Hz 50Hz A B C D PFH067A-H PFH066A-H 53 (1343) 36-1/4 (918) 38-1/2 (978) 5-1/2 (140) 488 (222) PFHZ67A-L PFHZ66A-L ...

Installation 5 Figure 3 Dimensional data, 277V step-down transformer DPN000647REV. 0 Notes:1. 1D18214P1 = Acme catalog no. T-1-37921 for all small systems except 3-ton Liebert DataMate with integral condenser.2. 1D18214P2 = Acme catalog no. T-1-37922 for 3-ton Liebert DataMate with integral condense...

Installation 6 2.4 Piping and Electrical Connections Figure 4 Piping and electrical connections, horizontal discharge Table 3 Electrical and piping connections, horizontal air discharge Model Numbers Electrical Connections, in (mm) Piping Connections, in. (mm) 60Hz 50Hz A B C D E F G PFH014A-L PFH01...

Installation 7 Figure 5 Piping and electrical connections, top air discharge Table 4 Piping and electrical connections, top air discharge Model Numbers Electrical Connections in. (mm) Piping Connections in. (mm) 60Hz 50Hz A B C D E F G PFH067A- H PFH066A-H 2 (51) 6 (152) 8-1/2 (216) 4-3/4 (121) 7-3/...

Installation 8 Figure 6 General piping arrangement Pressure BalancingValve DPN000129 REV 1 CondenserCoil High PressureSwitch Compressor * Hot Gas BypassSolenoid Valve Hot Gas BypassControl Valve 3 - Way HeadPressureControl Valve Check Valve Liquid InjectionValve Bulb Pressure Relief Valve SightGlass...

Installation 9 Figure 7 Electrical field connections, 1- to 5-ton units Horizontal Air Discharge Models DPN000134Rev. 1 Field-supplied unitdisconnect switch Single- or three-phaseelectric service not providedby Liebert Factory-wiredto components onelectric panel Heat rejection connection.Field-suppl...

Installation 10 Figure 8 Electrical field connections, 8-ton units Factory-wiredto components onelectric panel DPN000135Rev. 1 Electric serviceconnection to contactoror terminal block Single- or three-phase electricservice not provided by Liebert High-voltageelectric powersupply entrance Low-voltage...

Installation 11 Figure 9 Single-phase, 1-3 ton model schematic, typical 3 2 4 1 C1 HG1 BR W BL 1 4 2 3 BK BK R RR LLSV BK BK R 'FM' FAN MOTOR 2C1 1C1 R BK RHTR BK BK R R R BK BR Y Optional onSelected Units Supplied on1-Ton PFCModels Only BR C R S COMP 1 5 2 PR BDR C CSR A B Y Conductors Field-Suppli...

Installation 14 2.5 Piping Considerations The Liebert Mini-Mate2, Liebert DataMate and the 3-ton Liebert Challenger 3000 split system units are designed with quick-connect fittings and are factory-charged to proper refrigerant levels. This permits connecting units without brazing inside critical spa...

Installation 15 Figure 12 Refrigerant piping diagram Table 5 Pipe length and condenser elevation relative to evaporator Nominal System Size Tons Max. Equiv. Pipe Length ft. (m) Maximum PFH Level Above Evaporator, ft. (m) Maximum PFH Level Below Evaporator, ft. (m) 1 or 1.5 50 (15) 40 (12) 15 (4.6) 2...

Installation 16 2.5.2 Pre-Charged Line Sets Liebert pre-charged line sets are available in 15 ft (4.5m) and 30 ft (9m) lengths (see Table 7 ). NOTICE Risk of improper handling and installation of pre-charged lines. Can cause kinks and similar damage to lines.Care must be taken to prevent kinking the...

Installation 17 Table 8 Liebert PFH unit charge levels and coupling size Model Numbers R-407C Charge Coupling Size 60 Hz 50 Hz lb-oz (kg) Liquid Suction 95°F (35°C) Standard Sound PFH014A-_L7 PFH013A-_L7 8-6 (3.8) #6 #11 PFH020A-_L7 PFH019A-_L7 PFH027A-_L7 PFH026A-_L7 PFH037A-_L7 PFH036A-_L7 13-5 (6...

Installation 18 2.5.4 Installation of Piping to Units Use caution when connecting the quick-connect fittings. Read through the following steps before mak- ing the connections.1. Remove protector caps and plugs.2. Carefully wipe coupling seats and threaded surfaces with a clean cloth.3. Lubricate the...

Installation 19 Remove Existing Condensing Unit 1. Recover refrigerant in system using proper refrigeration practices.2. Oil removal: The majority of the oil will be in the old condensing unit (compressor, condenser and receiver), which will be replaced with the new unit. 3. Remove high-voltage and ...

Installation 20 2.5.6 General System Charge Requirements Liebert split system units are designed with quick-connect fittings and are factory-charged to proper levels. Due to the wide range of operating ambients and sensitivity of the system components to charge level, the system charge must be maint...

Installation 21 2.6 Electrical Connections Each unit is shipped from the factory with all internal wiring completed. All power, control wiring and ground connections must be made in accordance with the National Electrical Code and local codes. Refer to equipment nameplate regarding wire size and cir...

Installation 22 2.7 Electrical Data Table 16 Electrical data—Standard sound and ambient models (95°F/35°C) 60Hz Model # Nominal Capacity Tons * Electrical Characteristic Input Voltage- Phase 208/230-1 208/230-3 460-3 575-3 14 1 FLA 8.4 — — — WSA 10.2 — — — OPD 15 — — — 20 1.5 FLA 12.1 — — — WSA 14.8...

Installation 23 Table 18 Electrical data—Quiet-Line models (95°F/35°C) 60Hz Model # Nominal Capacity Tons * Electrical Characteristic Input Voltage-Phase 208/230-1 208/230-3 460-3 575-3 27 2 FLA 13.0 — — — WSA 16.0 — — — OPD 25 — — — 37 3 FLA 18.8 12.3 6.4 5.2 WSA 23.3 15.2 7.8 6.4 OPD 40 25 15 15 4...

Installation 24 2.8 Checklist for Completed Installation ___ 1. All items unpacked and checked.___ 2. Proper clearances for service access maintained around equipment.___ 3. Equipment is level and mounting fasteners are tight.___ 4. Piping completed to refrigerant loop.___ 5. All piping connections ...

Operation 25 3.0 O PERATION 3.1 Compressor The scroll compressor is equipped with a band type crankcase heater to resist liquid refrigerant migration into the compressor during the Off cycle. The three-phase scroll compressor requires proper phasing to ensure correct motor rotation. The component co...

Operation 26 3.4 Hot Gas Bypass 3.4.1 Operation When applying hot gas bypass with split system condensing units, bypassing discharge gas to the compressor suction line offers more flexibility than conventional hot gas bypass to the evaporator unit.The hot gas bypass valve is installed between the co...

Maintenance 28 4.0 M AINTENANCE 4.1 General Access the condensing unit by removing the unit housing panel. Clean the air cooled condenser coil of all debris that will inhibit airflow. This can be done with compressed air or with a commercial coil cleaner. Check for bent or damaged coil fins and repa...

Maintenance 29 4.3 Compressor Replacement Replacement compressors are available from Emerson. They will be shipped in a permanent crate to the job site as required by the service contractor. Upon shipping a replacement compressor, the service contractor will be billed in full for the compres- sor. C...

Maintenance 30 4.4 Field Charge Verification An integral sightglass is provided with the receiver to assist in field charge verification. During charge verification set the control temperature down to keep the system running. If the system is equipped with hot gas bypass, de-energize it by removing ...

Troubleshooting 31 5.0 T ROUBLESHOOTING Table 23 Troubleshooting Problem Cause Remedy Unit will not start No power to unit Check voltage at input terminal block. Compressor contactor not pulling in Check for 24VAC ±2VAC at control connections 1 & 2. If no voltage, check control setting requires ...

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