Benutzeranleitung / Produktwartung Figure i des Produzenten Emerson
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Precision Cooling For Business -Critic al C ontinuity™ Li eber t P r op Fa n Con den s in g U n it ™ Install atio n, Ope ration an d Maint e nanc e M anual - 50 & 60Hz.
Figure i Model number nomenclature Prop Fan Conden sing Unit with Hot-Gas Bypass 0 = St andard Noise Level Z =Quiet-Lin e Nominal Capacity 1000 BTU/Hr P = 208/230-1ph-60Hz Y = 208/230-3ph-60Hz A = 460.
i T ABLE OF CONTENTS 1.0 P RODUCT D ESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Prop Fan Condensing Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii FIGURES Figure i Model number nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inside Front Cover Figure 1 Dimensions, horizontal air discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product De scription 1 1.0 P RODUCT D ESCRIPTION 1.1 Prop Fan Condensing Unit s Liebert propeller f an condensing units are available in a range of si zes and configurations to offer flexibility in designing a precisi on environmental co ntrol system.
Installation 2 2.0 I NST ALLATION Read this entire instal lation section before starti ng installation. This section details dimensional, electrical and pipi ng information and specifications that a ffect the placement of the PFH unit in rela- tion the connected evaporator unit, ot her outside units, barriers and walls.
Installation 3 2.3 Dimensional Dat a Figure 1 Dimensions, ho rizont al air discharge T able 1 Cabinet and floor planning dat a, horizont al air discharge Model Numbers Dimensional Data, in .
Installation 4 Figure 2 Dimensions, top air discharge T able 2 Electrical and piping conn ections, top air discharge Model Numbers Dimensional Data in.
Installation 5 Figure 3 Dimensional dat a, 277V step-down tra nsformer 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 .
Installation 6 2.4 Piping and Electrical Connections Figure 4 Piping and electrical connections, horizont al discharge T able 3 Electrical and piping conn ections, horizont al air discharge Model Numbers Electrical Connections, in (mm) Piping Connections, in.
Installation 7 Figure 5 Piping and electrical connections, top air dis charge T able 4 Piping and electrical connections, top air discha rge Model Numbers Electrical Connections in.
Installation 8 Figure 6 General piping arrangement Pre ssu re Balanc ing Va l v e DPN 000129 REV 1 Condenser Coil High P ressure Switc h Compressor * Hot Gas Bypas s Solenoid V alv e Hot Ga s Bypass C.
Installation 9 Figure 7 Electrical field connectio ns, 1- to 5-ton unit s Horizonta l Air Discha rge Models DPN000134 Rev . 1 Field-supplied uni t disconnect sw itch Singl e- or three-phase electric service not provi ded by Liebert Factory-wired to components on electric panel Heat rejection c onnection.
Installation 10 Figure 8 Electrical field connectio ns, 8-ton unit s Factory-wired to components on electric panel DPN0001 35 Rev . 1 Electric ser vice connection to c ontactor or terminal block Singl.
Installation 11 Figure 9 Single-phase, 1-3 ton model schematic, typica l 3 2 4 1 C1 HG 1 BR W BL 1 4 2 3 BK BK R R R LL SV BK BK R 'FM' FA N MOTOR 2C1 1C1 R BK RHTR BK BK R R R BK BR Y Optio.
Installation 12 Figure 10 Three-phase, 3- 5 ton model schematic, typic al 3 2 4 1 L1 L2 L3 27 27,29,30 HP1 C1 HG 1 W BL BR 1 4 2 3 BK CH TR BR BR R BK HP2 R BK RHTR1 RHTR2 HG 1 HG SV LLSV1 BR R OR T3 .
Installation 13 Figure 1 1 Three-phase, 8 t on model schematic, typical 3 2 10 9 4 1 7 6 8 5 6 L1 L2 L3 See Note 6 See Note 8 See Note 7 See Note 7 See Note 8 See Note 8 See Note 1 See Note 6 C1 Aux.
Installation 14 2.5 Piping Considerations The Liebert Mini-Mate2, Liebert Da taMate and the 3-ton Li ebert Chall enger 3000 split system uni ts are designed with quick-connect fi ttings and are fa ctory -charged to proper re frigerant levels. Thi s permits connecting units withou t brazing inside critical spaces.
Installation 15 Figure 12 Refrigerant p iping diagram T able 5 Pipe length and condenser elev ation relative to evaporator Nominal System Size Tons Max. Equiv. Pipe Leng th ft. (m) Maximum PFH Level Above Evaporator, ft. (m) Maximum PFH Level Below Evaporator, ft.
Installation 16 2.5.2 Pre-Charged Line Set s Liebert pre-char ged 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 lin es. Can cause kinks and similar damage to lines.
Installation 17 T able 8 Liebert PFH unit charge leve ls 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 Inst allation of Piping to Units Use caution when connecting the qu ick-connect fittings. Read through t he following steps before mak- ing the connections. 1. Remo ve protector caps and plu gs. 2. Carefu lly wipe coupling se ats and th readed surfaces with a clean cloth.
Installation 19 Remove Existing Condensing Unit 1. Recover refrigerant in sy stem using proper refr igeration practi ces. 2. Oil removal: The majority of th e oil will be in the old condensi ng unit (compressor, condenser and receiver), which will be replaced w ith the new unit.
Installation 20 2.5.6 General System Charge Requirement s Liebert split system units are designed wi th quick-connect fittings and are factory -charged to proper levels. Due to the w ide range of operating ambients and sensitiv it y of the system components to charge level, the system charge must be maintained at recommended levels.
Installation 21 2.6 Electrical Connections Each unit is shipped from the factory with all inte rnal wiring completed. A ll power, control wiring and ground connections must be made in accordance with the National Elect rical Code and local codes. Refer to equipment nameplat e regarding wire size and circuit protection requirements.
Installation 22 2.7 Electrical Dat a T able 16 Electrical dat a—St andard sound and ambient models (95°F/35°C) 60Hz Model # Nominal Capacity Tons * Electrical Characteristic Input Voltage- Phase 208/230-1 208/230-3 46 0-3 575-3 14 1 FLA 8.4 — — — WSA 10.
Installation 23 T able 18 Electrical dat a—Quiet-Line models (95°F/35°C) 60Hz Model # Nominal Capacity Tons * Electrical Characteristic Input Voltage-Phase 208/230-1 208/230-3 46 0-3 575-3 27 2 FLA 13.0 — — — WSA 16.0 — — — OPD 25 — — — 37 3 FLA 18.
Installation 24 2.8 Checklist for Completed Inst allation ___ 1. All items unpacked and checked. ___ 2. Proper clearances for service access maintained around equipment. ___ 3. Equi pment is level and mounting fa steners are tight. ___ 4. Pi ping completed to refrigerant loop.
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 t hree-phase sc roll compressor requires proper phasing to ensure correct motor rotation.
Operation 26 3.4 Hot Gas Byp ass 3.4.1 Operation When applying hot gas bypa ss with split system condensi ng units, bypassing discharge gas to the compressor suction line offers more flexibility than conventional hot gas bypass to the evaporator unit.
Operation 27 Figure 13 Hot gas byp ass diagram.
Maintenance 28 4.0 M AINTENANCE 4.1 General Access the condensing unit by removing the unit hous ing panel. Clean the air cooled condenser coil of all debris th at will inhibit airflo w. This can be do ne with compressed air or with a commercial coil cleaner.
Maintenance 29 4.3 Compressor Replacement Replacement compressors are available f rom Emerson. They wi ll be shipped in a permanent crate to the job site as required by the service contractor. Upon shipping a replacement compresso r, the service contractor will be billed in full for t he compres- sor.
Maintenance 30 4.4 Field Charge V erification An integral sightglass is provid ed with the receiver to assist in field charge verif ication. During charge verification set the contro l temperature down to keep the sy stem running.
Trou bleshoot ing 31 5.0 T ROUBLESHOOTING T able 23 T roubleshooting Problem Cause Remedy Unit will not start No power to unit Check voltage at input terminal block. Compressor contactor not pullin g in Check for 24VAC ±2VAC at con trol connections 1 & 2.
Ensuring The Hi gh A vai lab ilit y Of Mission-Critic al Dat a And Appli catio ns. Emerson Net work P ower , the global leader in enabling business-critical continuity , ensures network re siliency an.
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