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Precision Cooling
For Business-Critical Continuity™
™
Liebert Prop Fan Condensing Unit
Installation, Operation and Maintenance Manual - 50 & 60Hz
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Figure i Model number nomenclature Example: PFH037A-PL7 PFH 0 37 A — P L 7 Prop Fan Condensing Nominal Capacity — = Standard Coil L = 95°F (35°C) Ambient Unit with Hot-Gas 1000 BTU/Hr C = Coated Coil Liebert Lee-Temp Bypass H = 105°F (41°C) Ambient Liebert Lee-Temp 0 = Standard Noise Level A = Air Cooled P = 208/230-1ph-60Hz R-407C Refrigerant Z =Quiet-Line Y = 208/230-3ph-60Hz A = 460-3ph-60Hz B = 575-3ph-60Hz S = 220-1ph-50Hz N = 200/230-3ph-50Hz M = 380/415-3ph-50Hz Not all options and/or v
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TABLE OF CONTENTS 1.0 PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1.1 Prop Fan Condensing Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.1 Base System 95°F (35°C) Ambient Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.2 105°F (41°C) Ambient Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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FIGURES Figure i Model number nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inside Front Cover Figure 1 Dimensions, horizontal air discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2 Dimensions, top air discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3 Dimensional data, 277V step-down transformer . . . . .
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Product Description 1.0 PRODUCT DESCRIPTION 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 with a corresponding Liebert fan coil evaporator model such as Liebert Data- Mate, Liebert Mini-Mate2 or Liebert Challenger 3000 is an effective solution for your environmental control application requ
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Installation 2.0 INSTALLATION 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, barriers and walls. Be particularly mindful of service and airflow clearances and maximum equirvalent piping distances and in elevation differences between PFH and connected evaporator unit. Consult and co
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Installation 2.3 Dimensional Data Figure 1 Dimensions, horizontal air discharge Removable (right) panel Fan Rotation for access to CCW refrigeration component A (left side) Right Air Discharge Left Air Intake Shaded area indicates a minimum B clearance of 18" (457mm) for proper air flow. Shaded area indicates a recommended C C clearance of 24" (610mm) for component access and removal. Shaded area Removable panel for access indicates a minimum to high-voltage and low-voltage clearance of 18" (457
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Installation Figure 2 Dimensions, top air discharge Top Air Guard Height Discharge Fan Rotation CW Right Air Intake Shaded area Left Air indicates a minimum Intake clearance of 18" (457mm) for proper air flow. 2" (51mm) Shaded area indicates a minimum Removable panel for access Shaded area clearance of 18" (457mm) to high-voltage and low-voltage indicates a recommended for proper air flow connections and refrigeration clearance of 24" (610mm) components for component access and removal. 53-3/16
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Installation Figure 3 Dimensional data, 277V step-down transformer .31" (8mm) Dia. .281" (7mm) Dia. For rigid mounting For wall mounting and shipping 1/4-20 (2 screws & 1D18214P1 lock washers) for 10.3" (262mm) rigid mounting and 1D18214P2 shipping 11.68" (297mm) Remove screws & attach bracket 5.5" 4.92" (140mm) (125mm) Access to electrical connections from bottom WALL MOUNTING RIGID MOUNTING Notes: 1. 1D18214P1 = Acme catalog no. T-1-37921 for all small systems except 3-ton Liebert DataMate
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Installation 2.4 Piping and Electrical Connections Figure 4 Piping and electrical connections, horizontal discharge Liquid Line Suction Line A Quick Connect Quick Connect (Male Coupling) (Male Coupling) F G Electrical Entrance for High-Voltage Connection B C Electrical Entrance for Low-Voltage Connection D DPN000132 E Rev. 0 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 PFH014
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Installation Figure 5 Piping and electrical connections, top air discharge * System 2 (5 Ton) Electrical Entrance for High-Voltage Connection Liquid Line Quick Connect Electrical Entrance for (Male Coupling) Low-Voltage Connection * System 1 (3 Ton) Suction Line Quick Connect DPN000133 (Male Coupling) Rev. 0 * System 1 and System 2 on 8 Ton only Table 4 Piping and electrical connections, top air discharge Electrical Connections Piping Connections Model Numbers in. (mm) in. (mm) 60Hz 50Hz A B C D
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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 Solenoid Valve 3 - Way Head Pressure Relief Valve Pressure Suction Line Control Valve Male Quick Sight Connect Coupling Hot Gas Bypass Check Valve Glass Control Valve Liquid Injection Valve Liquid Line Solenoid Valve Liebert Lee-Temp Receiver Receiver Heater Pressure Limiting Pressure Balancing Switch Valve
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Installation Figure 7 Electrical field connections, 1- to 5-ton units Field-supplied unit Field-supplied unit disconnect switch Single- or three-phase disconnect switch Single- or three-phase electric service not provided electric service not provided by Liebert by Liebert Field-supplied 24V Field-supplied 24V NEC Class 2 wiring NEC Class 2 wiring to evaporator module to evaporator module Horizontal Air Discharge Models Top Air Discharge Models (5 Ton High Ambient or 5 Ton Quiet-Line) Electric s
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Installation Figure 8 Electrical field connections, 8-ton units Field-supplied unit disconnect switch Single- or three-phase electric service not provided by Liebert Field-supplied 24V NEC Class 2 wiring to evaporator module Electric service Factory-wired connection to contactor to components on or terminal block electric panel Single- or three-phase electric service not provided by Liebert High-voltage Heat rejection connection. electric power Field-supplied 24V NEC supply entrance Class 2 wiri
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Installation Figure 9 Single-phase, 1-3 ton model schematic, typical Conductors Field-Supplied (See Note 5) NOMENCLATURE OUTDOOR CONDENSING MODULE EVAPORATOR UNIT Standard Devices BDR -- Bleed Resistor Unit Alarm 3 3 BL Input C1 -- Condenser Contactor Connection CAP1 -- Compressor Capacitor Run CAP2 -- Fan Motor Capacitor HP1 24V Power CAP3 -- Compressor Capacitor 2 2 Supply W BK C1 Start 25, From Unit CHTR -- Compressor Heater BR 27 Min 40 Va COMP -- Compressor FM --
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Installation Figure 10 Three-phase, 3-5 ton model schematic, typical Conductors Field-Supplied (See Note 5) NOMENCLATURE OUTDOOR CONDENSING MODULE EVAPORATOR UNIT Standard Devices Unit Alarm 3 C1 -- Condenser Contactor 3 BL Input CAP2 -- Fan Motor Capacitor Connection CHTR -- Compressor Heater COMP -- Compressor F1 -- Transformer Fuse 1 24V Power HP1 F2 -- Transformer Fuse 2 2 2 W BK C1 27,29,30 Supply FM -- Fan Motor From Unit HP1 -- High Pressure Switch Min 40VA (Auto Reset) BR HP2
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Installation Figure 11 Three-phase, 8 ton model schematic, typical Conductors Field-Supplied (See Note 5) OUTDOOR CONDENSING MODULE STANDARD DEVICES Evaporator Unit 3 3 C1 - Compressor Contactor 1 BL HIGH HEAD 1 C2 - Compressor Contactor 2 See Note 6 HP1 2 2 CHTR1 - Compressor Heater 1 COOLING 1 W BK C1 CHTR2 - Compressor Heater 2 C1 Aux. 10 10 COMP1 - Compressor #1 R MF C2 Aux. COMP2 - Compressor #2 See Note 8 9 9 F1 - Transformer Fuse 24V GND BR F2 - Transformer Fuse See Note 7 FM - Fan Motor
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Installation 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 spaces. These split systems require two refrigerant lines—an insulated copper suction line and a copper liquid line—between the evaporator and condensing units. The 8-ton Liebert Mini-Mate2 split system
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Installation Figure 12 Refrigerant piping diagram Pitch down 1/2" (13mm) per 10 ft. (3m) Evaporator NOTE When installing remote condensing units below the NOTE evaporator, the suction gas line should be trapped When installing remote condensing units below the with an inverted trap to the height of the evaporator. evaporator, the suction gas line should be trapped with This prevents refrigerant migration to the compres- an inverted trap to the height of the evaporator. This Suction Line Pip
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Installation 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 pre-charged lines for 1-ton and 3.5-ton units. Use tube benders and make all bends before making connections to either end of the pre- charged pipes. Coil any excess tubing in a horizontal plane with t
