Emerson Liebert Prop Fan Condensing Unit Installation, Operation And Maintenance Manual
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Emerson Liebert Prop Fan Condensing Unit, 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 — — — OPD 25 — — — 27 2 FLA 13.5 — — — WSA 16.5 — — — OPD 25 — — — 37 3 FLA 19.3 12.8 6.4 5.9 WSA 23.8 15.7 7.8 7.1 OPD 40 25 15 15 42 3.5 FLA — 15.3 7.1
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 male diaphragm and synthetic rubber seal with refrigeration grade oil. 4. Thread the coupling
Emerson Liebert Prop Fan Condensing Unit, 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) 7-3/4 (197) 8-1/2 (216) — PFHZ67A- L PFHZ66A-L — PFH096A- L PFH095A-L 11-1/2 (292) * System 1 and System 2 on 8 Ton only Electrical Entrance for High-Voltage Connection Electrical Entrance for Low-Voltage Connection Liquid Line Quick Connect (Male Coupling) Suction Line Quick Connect (Male Coupling) * System 2 (5 Ton) DPN000133 Rev. 0 * System 1 (3 Ton)
Emerson Liebert Prop Fan Condensing Unit, Installation 5 Figure 3 Dimensional data, 277V step-down transformer DPN000647 REV. 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 condenser. 3. Epoxy coated. Suitable for indoor/outdoor service. Horizontal- or vertical-mount. Totally enclosed, non-ventilated. 4. Both brackets are shipped loose with transformer. WIRING FOR TRANSFORMER WALL MOUNTING RIGID MOUNTING 4.92" (125mm) 5.5" (140mm) .281" (7mm) Dia. For wall mounting 1D18214P1 10.3" (262mm) 1D18214P2 11.68" (297mm) Remo
Emerson Liebert Prop Fan Condensing Unit, Maintenance 28 4.0 MAINTENANCE 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 repair as necessary. During winter, do not permit snow to accumulate on or around the condensing unit. Check all refrigerant lines and capillaries for vibration isolation and support as necessary. Check all refrigerant lines for sign
Emerson Liebert Prop Fan Condensing Unit, Figure i Model number nomenclature Prop Fan Condensing Unit with Hot-Gas Bypass 0 = Standard Noise Level Z =Quiet-Line Nominal Capacity 1000 BTU/Hr P = 208/230-1ph-60Hz 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 R-407C Refrigerant — = Standard Coil C = Coated Coil PFH 0 37 — P L 7 A = Air Cooled A L = 95°F (35°C) Ambient Liebert Lee-Temp H = 105°F (41°C) Ambient Liebert Lee-Temp Not all options and/or voltage combinations are available. Example: PFH037A-PL7
Emerson Liebert Prop Fan Condensing Unit, Installation 10 Figure 8 Electrical field connections, 8-ton units Factory-wired to components on electric panel DPN000135 Rev. 1 Electric service connection to contactor or terminal block Single- or three-phase electric service not provided by Liebert High-voltage electric power supply entrance Low-voltage electric power supply entrance Earth ground connection terminal for field wiring 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 Heat rejection connection. Field-supplied 24V NEC Class
Emerson Liebert Prop Fan Condensing Unit, 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) .60Hz50HzABCD PFH067A-H PFH066A-H 53 (1343) 36-1/4 (918) 38-1/2 (978) 5-1/2 (140) 488 (222) PFHZ67A-L PFHZ66A-L PFH096A-L PFH095A-L 570 (259) Guard Height Fan Rotation CW Shaded area indicates a minimum clearance of 18" (457mm) for proper air flow. Shaded area indicates a minimum clearance of 18" (457mm) for proper air flow Shaded area indicates a recommended clearance of 24" (610mm) for component access
Emerson Liebert Prop Fan Condensing Unit, i 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.3 Quiet-Line Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Emerson Liebert Prop Fan Condensing Unit, Installation 9 Figure 7 Electrical field connections, 1- to 5-ton units Horizontal Air Discharge Models DPN000134 Rev. 1 Field-supplied unit disconnect switch Single- or three-phase electric service not provided by Liebert Factory-wired to components on electric panel Heat rejection connection. Field-supplied 24V NEC Class 2 wiring. Wire connections from evaporator module: 1. 24V GND 2. 24V Supply 3. High Pressure Alarm 4. Hot Gas Bypass Connection Electric service connection to contactor or terminal block Single- or three-phase electric service not provided by Liebert High-voltage electric power supply entrance Low-voltage electric power supply
Emerson Liebert Prop Fan Condensing Unit, 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 low-voltage wiring. 4. Cut the line set before the Aeroquip fittings entering the condensing unit. 5. Remove the existing filter drier in evaporator unit and discard. The filter drier may contain contaminants that can be released out of the drier because of the POE oil. Filter Drier Selection and Installation Recommended 1. Install a
Emerson Liebert Prop Fan Condensing Unit, 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 PFH019A-L PFH027A-L PFH026A-L PFH027A-H PFH026A-H 48 (1219) 31 (787) 18 (457) 241 (109) PFHZ27A-L PFHZ26A-L PFH037A-L PFH036A-L PFH042A-L PFH041A-L PFH037A-H PFH036A-H 53 (1343) 36-1/4 (918) 18 (457) 351 (159) PFHZ37A-L PFHZ36A-L PFH042A-H PFH041A-H PFHZ42A-L PFHZ41A-L PFH067A-L PFH066A-L A B C C Fan Rotation CCW (left side) Shaded a
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 are tight. ___ 6. Piping routed to prevent chafing and rub-th
Installation 2 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 equir
Emerson Liebert Prop Fan Condensing Unit, Product Description 1 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 requirements. Split system condensing units are connected to the evaporator unit by two refrigerant lines (four in 8-ton systems) and a low-voltage control cable. The condensing unit
Emerson Liebert Prop Fan Condensing Unit, 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 PFH013A-L 2-1/4 (57) 5-1/4 (133) 7-3/4 (197) 8-3/4 (222) — 5 (127) 7-1/4 (184)PFH020A-L PFH019A-L PFH027A-L PFH026A-L PFH027A-H PFH026A-H 2 (51) 5-3/4 (146) 8-1/2 (216) 4-3/4 (121) 6-3/4 (171) — 8-1/2 (216) PFHZ27A-L PFHZ26A-L PFH037A-L PFH036A-L PFH042A-L PFH041A-L PFH037A-H PFH036A-H 2 (51) 6 (152) 8-1/2 (216) 4-3/4 (121) 7-3/4 (197) — 8-1/
Emerson Liebert Prop Fan Condensing Unit, 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 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 the slope of the tubing toward the condensing unit. Use a soft, flexible material to pack around the tubes when sealing openings in walls to prevent tube damage and to reduce vibration transm
Emerson Liebert Prop Fan Condensing Unit, 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 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 units will require fou
Emerson Liebert Prop Fan Condensing Unit, 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 circuit protection requirements. Refer to Figures 5, 7 and 8 and electrical schematic (reference Figures 9 through 11) when making connec- tions. A manual electrical disconnect switch should be installed within 5 feet (1.6 m) of the unit in a
Emerson Liebert Prop Fan Condensing Unit, Troubleshooting 31 5.0 TROUBLESHOOTING 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 cooling. If there is voltage, lockout relay may be energized. Check for 24VAC at control connections 2 & 3. If there is voltage, see compressor high-discharge pressure/lockout relay. Control voltage circuit breaker (at transformer in evaporator module) open Locate short and reset circuit breaker.
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