Emerson 3000 инструкция обслуживания

Precision Cooling For Bu siness-Criti cal C ontinuity™ Li eb er t ® Ch a ll eng er ™ 3000 with Liebe r t iC OM ® Install ation M anual - 3 & 5 T ons, 50 & 60Hz[...]

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i T ABLE OF CONTENTS I MPORT AN T S AFE TY I NSTRUC TIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 S AVE T HESE I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.0 I NTRODUCTI ON . . . . . . . . . . . . . . . . . . . . [...]

4.3 Water Regulating Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4.3.1 Standa rd Valve - 150 psig (1034 kPa) System for 3 & 5-Ton Units (Johnson Control s Valve) High Pressure Valve - 350 psig (2413 kPa) System for 5-Ton Uni ts (Johnson Controls Valve) . . . . . . . . . . [...]

iii 7.4 Outdoor Air-Cooled Condensing Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 7.5 Centrifugal Air-Cooled Condensing Un its . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 7.5.1 Installing the Indoor Con densing Unit . . . . . . . . . . . . . . . . . . . . . . . . [...]

Figure 36 3-ton centrifugal ai r-cooled condensing unit dimensio nal data & piping connections . . . . . . . . . 69 Figure 37 3-ton centrifugal ai r-cooled condensing unit ( con’t. ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Figure 38 5-ton centrifugal air- cooled condensing unit dimensional data . . . . . . .[...]

Important Safety Instructions 1L i e b e r t ® Challenger 3000 ™ I MPORT ANT S AFETY I NSTRUCTIONS SAVE THESE INSTRUCTIONS This manual co ntains important sa fety instructio ns that should be followed durin g the installa tion and maintenance of the Liebert Ch allenger 3000. Read this manual th oroughly before attempting to install or opera te t[...]

Important Safety Instructions Liebert ® Challenger 30 00 ™ 2 NOTICE Risk of leaki ng water/glycol. C an cause equipment and building da mage. This unit requires a water/glycol. drain co nnection . It may also require an external water/glycol supply to operate. Improper installation, ap plication and service prac tice can result in wat er/glycol [...]

Important Safety Instructions 3L i e b e r t ® Challenger 3000 ™ NOTICE Risk of damage from fork lift. Can cause unit damage. Keep tines of the forklift level and at a height suit able to fit below the skid and/or unit to prevent exterior and/or underside damage. NOTICE Risk of improper storage. Can cause unit damage. Keep the Liebert Challenger[...]

Introd uction Liebert ® Challenger 30 00 ™ 4 1.0 I NTRODUCTION 1.1 System Descriptions Liebert Chal lenger 3000 Precision C ooling systems ar e av ailable in three main system configurations: • self-contained system with a scro ll compressor in the room unit • self-contained chilled water system • split system with an evaporator section an[...]

Introd uction 5L i e b e r t ® Challenger 3000 ™ 1.1.3 Split Sy stems Each air-cooled spli t system consists of an evaporator sect ion and one of the fo llowing condensing units. Prop Fan Air-Cooled Prop Fan units include s croll compressor, condenser coil, prop fan, high pressure switch, hot gas bypass and Liebert Lee-Temp ™ head pressure con[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 6 2.0 I NST ALLATION (A PPLICABLE TO ALL M ODELS ) 2.1 Room Prep aration The room should be well insulate d and must have a sealed vapor barrier. The va por barrier in the ceiling can be a polyethylene film type. Use a rubber or plastic base paint on concrete walls and floors.[...]

Installation (Applicab le to all Models) 7L i e b e r t ® Challenger 3000 ™ 2.4.1 Handling With Skid • Always keep the unit upright, in doors and protected from damage. • If possible, transport the unit us ing a fork l ift; otherwise, use a crane with be lts or cables, avoiding pressi ng on the top edges of the packaging. • If using a fork[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 8 Figure 2 Up flow (BU) cabinet dimensions A Shaded area indicates a recommended clearance of 34" (864mm) for component access. Right side access suggested for GL YCOOL units. DPN000350 Rev . 1 FRONT VIEW (front return configuration) 32-1/2" (826mm) Overall Dimension[...]

Installation (Applicab le to all Models) 9L i e b e r t ® Challenger 3000 ™ Figure 3 Downflow (BF) cabinet dimensions Shaded area indicates a recommended clearance of 34” (864mm) for component access. Right side access suggested for GL YCOOL units DPN000351 Rev . 1 32-1/2" (826mm) Overall Dimension 32-1/2" (826mm) Overall Dimension 3[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 10 2.5 Piping Considerations All piping below the elevated floor must be located so that it offers the leas t resistance to air flow. Careful planning of the piping layout und er the rais ed floor is required to prevent the air flow fro m being blocked. When i nstalling piping[...]

Installation (Applicab le to all Models) 11 Liebert ® Challenger 3000 ™ Figure 4 Piping connections for air- cooled units - Downflow models Chilled Water Unit Connection Sizes—in. Model No. BF/BU (50 Hz) Supply Line CWS Return Line CWR 068C (072C) 1-1/8 1-1/8 102C (101C) 1-1/8 1-1/8 T able 2 Piping con nection size (continued) PIPING OUTLET LO[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 12 Figure 5 Piping connections for ai r-cooled units - Up flow models Condensate Drain 3/4" FPT Field pitch a min. of 1/8" (3.2mm) per ft. (305mm). Units without a condensate pump have a factory-supplied trap in the unit, so do not field-install a trap in the drain l[...]

Installation (Applicab le to all Models) 13 Liebert ® Challenger 3000 ™ Figure 6 Piping connections for sp lit system fan coil unit s - Downflow models PIPING OUTLET LOCA TIONS (See Cabinet and Floor Planning Dimensional Data for Piping Opening Sizes.) DPN000376 Rev . 1 Condensate Drain 3/4" FPT Field pitch a minimum of 1/8" (3.2mm) pe[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 14 Figure 7 Piping connections for split s ystem fan coil unit s - Upflow mode ls DPN000375 Rev . 1 Piping outlet locations through the plenum are the same as the unit. See below for descriptions and connection sizes. Humidifier W ater Supply Line 1/4" OD CU Suction Refri[...]

Installation (Applicab le to all Models) 15 Liebert ® Challenger 3000 ™ Figure 8 Piping connections for wate r/glyc ol and GL YCOOL units - Downflow models DPN000364 Rev . 1 Condensate Drain 3/4" FPT Field pitch a minimum of 1/8" (3.2mm) per ft. (305mm). The drain line must comply with all applicable codes Humidifier W ater Supply Line[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 16 Figure 9 Piping connections for wate r/glyc ol and GL YCOOL units - Up flow models PIPING OUTLET LOCA TIONS (See Cabinet and Floor Planning Dimensional Data for Piping Opening Sizes.) Piping outlet locations through the plenum the same as the unit. See below for description[...]

Installation (Applicab le to all Models) 17 Liebert ® Challenger 3000 ™ Figure 10 Piping connections for chilled wate r self-contained units - Downflow models PIPING OUTLET LOCA TIONS (See Cabinet and Floor Planning Dimensional Data for Piping Opening Sizes.) Condensate Drain 3/4" FPT Field pitch a minimum of 1/8" (3.2mm) per ft. (305m[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 18 Figure 1 1 Piping connections for chilled wate r self-cont ained units - Up flow models Condensate Drain 3/4" FPT Field pitch a min. of 1/8" (3.2mm) per ft. (305mm). Units without a condensate pump have a factory-supplied trap in the unit, so do not field-install [...]

Installation (Applicab le to all Models) 19 Liebert ® Challenger 3000 ™ 2.5.2 Humidifier Supply W ater—Optional Infrared • 1/4" supply l ine; maximum water pressure is 150 psi (1034kPa) • Size humidifie r supply line for 1 gpm (3.8 l/m) , with a minimum wate r pressure of 20 psi (138kPa) • Do not supply de-ionized water to the humid[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 20 Figure 12 Electrical connections 2.7.1 Electrical Field Co nnections for Liebert Challenger 3000 Models Source: DPN00354, Rev. 2 1. Electric conduit knockouts on top and bottom of electric bo x. Knockout size 1-3/4" (44.5mm). 2. Three-phase connection . Electric servic[...]

Installation (Applicab le to all Models) 21 Liebert ® Challenger 3000 ™ 14. Heat rejection connection . Field-suppl ied 24V Class 1 wiring to interlock heat rejection from pigtails 70 + 7 1, which are factory-connect ed to compressor side switch (self- contained units only) or to GLYCOOL relay (K11, GLY COOL units only). On Dual Cool units only,[...]

Installation (Applicab le to all Models) Liebert ® Challenger 30 00 ™ 22 2.8 Balancing the Air Distribution 2.8.1 Under-Floor Discharge Systems The systems are designed for consta nt air delivery, therefore any unusual restrictions within the air circuit must be avoided. For under-floor air distri bution, observe the fo ll owing guidel ines: •[...]

Installation (Applicab le to all Models) 23 Liebert ® Challenger 3000 ™ 2.9 Checklist for Completed Inst allation ___ 1. Unpack and check received material. ___ 2. Proper clearance for service access has been maintained around the equipment. ___ 3. Equipment is level and mountin g fasteners are tight. ___ 4. Piping completed to refrig erant or c[...]

Air-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 24 3.0 A IR -C OOLED M ODELS —S ELF -C ON T AINED C OMPRESSOR 3.1 Condenser Location The air-cooled condenser should be located for maximum security and maintenance accessibility. Avoid ground level sites with public access o r areas that contribute to heavy snow or ic[...]

Air-Cooled Models—Sel f-Contained Compressor 25 Liebert ® Challenger 3000 ™ Figure 14 Air-cooled condensers T able 4 Air-c ooled condenser st atistics Model Number of Fans Connection Sizes (OD Copper) Net Weight lb (kg) “A” Dimension in (mm) Hot Gas (in.) Liquid (in.) 083 1 7/8 5/8 295 (133.8) 42 (1067) 104 1 1-1/8 5/8 315 (142.8) 42 (1067[...]

Air-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 26 3.3 Refrigerant Piping All refrigeration pip ing should be installed with high temperature brazed joints. Prevaili ng good refrigeration p ractices should be emp loyed for piping supports, leak tes ting, dehydratio n and charging of the re fri geration circuits. Unit [...]

Air-Cooled Models—Sel f-Contained Compressor 27 Liebert ® Challenger 3000 ™ T able 5 Rec ommended line sizes — OD copper , inches * Equivalent Length 3.5-ton 042A (040A) 5-ton 067A (065A) Hot Gas Line Liquid Line Hot Gas Line Liquid Line 50 ft. (15 m) 5/8 1/2 7/8 1/2 100 ft. (30 m) 3/4 1/2 7/8 5/8 150 ft. (45 m) 3/4 5/8 7/8 5/8 *Recommended [...]

Air-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 28 3.4 Fan Speed Control Systems The Variable Fan Speed Control systems (FSC & VFD) uses pressure-activated electronic fan speed control systems and remotely located thermostat(s) to ensure operation at ambient temperatures as low as 0°F (-18°C). For this ambient t[...]

Air-Cooled Models—Sel f-Contained Compressor 29 Liebert ® Challenger 3000 ™ V ariable Fan Spe ed Charging 1. Check un it nameplate for refriger ant type to be used. Unit contro l configurations differ depending on refrigerant type. 2. Refrigerant chargin g requires unit o peration. Refer to 2.9 - Checklist for Completed Installation . 3. Calcu[...]

Air-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 30 Figure 15 General arrangement—Air -cooled models with fan speed control DPN000349 Rev . 5 Conden ser Coil Schrader Va l v e Schrad er Va l v e Opti onal Fi eld-I nstal led Fusibl e P lug Ev aporator Coil Hot G as By pass Va l v e Hot Gas Bypas s * For rises ov er 25[...]

Air-Cooled Models—Sel f-Contained Compressor 31 Liebert ® Challenger 3000 ™ Figure 16 General arrangement—Air -cooled models with digit al scroll and fan speed control DPN001726 Re v . 2 Condenser Coil Schrader Va l v e Schrader Va l v e Opti onal Fiel d-Ins tal led Fusible Plug Evaporator Coil Soleno id Va l v e Sight Glass Filter Drie r Li[...]

Air-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 32 3.5 Air-Cooled Condenser with Liebert Lee-T emp ™ “Flooded Condenser” Head Pressure Control System The Liebert Lee-Temp system consis ts of a modulating type head pressure control v alve and insulated receivers with heater pa ds to ensure operation at ambient te[...]

Air-Cooled Models—Sel f-Contained Compressor 33 Liebert ® Challenger 3000 ™ 6. Aft er four hours, check the pres sure readings and, if they have no t changed, br eak vacuum wi th dry nitrogen. Pull a second and third vacuum to 250 microns or less. Recheck the pressure after two hours. 7. Remov e the jumper hose installed previously from betwee[...]

Air-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 34 Liebert Lee-T emp Receiver Refrigerant Level On each receiver at the condense r are two refr igerant-level sig ht glasses. Ref rigerant level will vary with outside temperature. Check refrig erant level after the unit has been on for at least 15 minutes. Sight Glass L[...]

Air-Cooled Models—Sel f-Contained Compressor 35 Liebert ® Challenger 3000 ™ Figure 18 General arrangement—Air -cooled models with digit al scroll and Liebert Lee-T emp ™ Digital Solenoid V alve DPN001725 Rev . 1 * Components are not supplied by Liebert but are recom mended for proper circuit operation and maintena nce. ** Components suppli[...]

Water-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 36 4.0 W ATER -C OOLED M ODELS —S ELF -C ONT A INED C OMPRESSOR 4.1 Piping Considerations Manual shutoff valves should be installed at the supply and return lines of each unit. Th is will provide for ro utine maintenance or emerge ncy isolation of the unit. When the [...]

Water-Cooled Models—Sel f-Contained Compressor 37 Liebert ® Challenger 3000 ™ Figure 19 General arrangement—W ater-cooled models with scroll co mpressor Field-Supplied Reducers Required on 3-T on Units DPN000359 Rev . 2 Evaporator Coil Expansion V alve Sensing Bulb External Equalizers Scroll Compressor Service Va l v e s Hot Gas Bypass Solen[...]

Water-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 38 Figure 20 General arrangement diagram—W a ter-co oled models with di gital scroll DPN001727 Rev . 0 Evaporator Coil Expansion V alve Sensing Bulb External Equalizer Service V alves Sight Glass Filter Dryer T ube- in-T ube Condenser T ube- in-T ube Condenser Fluid [...]

Water-Cooled Models—Sel f-Contained Compressor 39 Liebert ® Challenger 3000 ™ 4.3 W ater Regulating V alve The water regulating valve automati cally regulates the a mount of flui d necessary to remove the heat from the refrigeration system, permitting more flui d to flow when load conditions are high and less fluid to flow when load conditions[...]

Water-Cooled Models—Sel f-Contained Compressor Liebert ® Challenger 30 00 ™ 40 4.3.2 High Pressure V alve - 350 psig (2413 kPa) Syste m for 3-T on Unit s (Metrex V alve) Adjustment The valve may be adjusted using a 1/8" diameter ro d. Turn the adjusting co ll ar nut counterclockwise to raise head pressure; turn it clockwise to lower head [...]

Water-Cooled Models—Sel f-Contained Compressor 41 Liebert ® Challenger 3000 ™ Control Method The control utilizes an up per and lower pressure thre shold with a 35psi (241kPa) deadband to reduce valve movement. If the liquid pre ssure is between the upper and lo wer threshold, the valve remains at the current position. If the liquid pressure e[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor Liebert ® Challenger 30 00 ™ 42 5.0 G LYCOL /GL YCOOL-C OOLED M ODELS —S ELF -C ONT AINED C OMPRESSOR 5.1 Drycooler Location The drycooler shou ld be located for maxi mum secu rity and maintenance acce ssibility. Avoid ground- level sites with public access or areas which contribute to[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor 43 Liebert ® Challenger 3000 ™ 5.4 Glycol Piping These guidelines apply to the field leak checking and fluid requirements for field piping systems. General Guidelines • Equipment damage and personal injury can result from improper piping installati on, leak checking, fluid chemistry an[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor Liebert ® Challenger 30 00 ™ 44 from which it is prepared and may become increasingly corrosive wit h use if not properly inhibited. NOTICE Risk of no-flow condition. Can cause equipm ent and building damage from corrosi on and resulting leaks. Do not leave th e unit in a n o-flow condit[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor 45 Liebert ® Challenger 3000 ™ 5.4.1 Exp ansion T anks, Fluid Relief V alves and Other Devices An expansion tank must be provided for expansion and contraction of the fluid due to temperature change in this closed sy stem. Vents a re required at s ystem high points to vent trapped ai r w[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor Liebert ® Challenger 30 00 ™ 46 5.5.2 Glycol Solutions When considering the use of any gl ycol products in a particular application, you should review the latest Material Safety Da ta Sheets and ensure that the use you intend can be accomplished safely. For Material Safety Data Sheets an[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor 47 Liebert ® Challenger 3000 ™ NOTICE Risk of corrosion from water impu rities. Can cause equipment damage. The quality of water used for dilutio n must be considered because water may contain corrosive elements which reduce the effectiveness of the inhibite d fo rmulation . Water that i[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor Liebert ® Challenger 30 00 ™ 48 Figure 23 Drycoolers and pump packages Notes 1. Single pump packages a re 17-1/4" (438 mm) wide. Dual pump packages are 32-1/4" (819 mm ) wide. 2. Mounting holes are 15-1/4" (387mm) apart on single pump packages and 30-1/4" (768 mm) ap [...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor 49 Liebert ® Challenger 3000 ™ Figure 24 Pump p ackages—exp ansion t ank T able 17 Mountin g hole dimensional dat a PUMP PACKAGE A in (mm ) B in (mm) C in (mm) SINGLE (0.75 - 7.5 hp) 15-1/4 (387.4) 2-1/2 (63.5) 22-1/2 (571.5) DUAL (0.75 - 5 hp) 30-1/4 (768.4) 2-1/2 (63.5) 22-1/2 (571.5[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor Liebert ® Challenger 30 00 ™ 50 Figure 25 General arrangement—Glycol-c ooled models with scroll compressor Glycol Pump Pump Housing Unions* Isolation V alves* Expansion V alve Drycooler Electric Box Drycooler Coil Fluid Return to Pump Fluid Supply from Pump Unions* Field-Supplied Reduc[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor 51 Liebert ® Challenger 3000 ™ Figure 26 General arrangement—Glycol-cooled mode ls with digital sc roll Digital Solenoid V alve Glycol Pump Housing Unions* Isolation Va l v e s * Expansion V alve Drycooler Electric Box Drycooler Coil Fluid Return to Pump Fluid Supply from Pump Unions* [...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor Liebert ® Challenger 30 00 ™ 52 Figure 27 General arrangement—GL YC OOL models with scroll compressor Field-Supplied Reducers Required on 3-Ton Units Pump Housing Pump Unions* Unions* Isolation Valves* Expansion Valve Evaporator Coil Drycooler Coil Drycooler Electric Box Pressure Port*[...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor 53 Liebert ® Challenger 3000 ™ Figure 28 General arrangement—GL YCOOL models with digita l scroll compressor r Digital Solenoid V alve Pump Housing Glycol Pump Unions* Isolation V alves* Expansion V alve Evaporator Coil Drycooler Coil Drycooler Electric Box Unions* Pressure Port* Hose [...]

Glycol/GL YCOOL-Cooled Models —Self-Contained Compressor Liebert ® Challenger 30 00 ™ 54 5.5.4 Motor Ball V alve—Digit al Scroll Compressors Refer to 4.4 - Motorized Ball Valv e—Digital Scroll Compres sors for details on the motorized ball valve. 5.6 Condenser The condenser is designed to operate in conjuncti on with a dry cooler. The maxi[...]

Chilled Wa ter Models 55 Liebert ® Challenger 3000 ™ 6.0 C HILLED W ATER M ODELS 6.1 Piping Considerations Manual shutoff valves should be installed at the supply and return lines to each uni t. This will provide for routine service and emerg ency isolation of the unit. Consideration of the minimu m water temperature to be supplied fr om the chi[...]

Chilled Wa ter Models Liebert ® Challenger 30 00 ™ 56 Figure 30 Chilled water general arrangement - Downflow (BF) mode ls SL-11899 Pg. 6 A B Flow Switch (optional) Chilled Wat er Retu rn Chilled Water Supply Chilled Wat er Retu rn Chilled Water Coil Chilled Water Coil 2-Wa y Chilled Wat er Valve Chilled Wate r Sup ply Sh uto ff Va lve s * Hose B[...]

Split System Models 57 Liebert ® Challenger 3000 ™ 7.0 S PLIT S YSTEM M ODELS Three condensing unit styles are available: two ai r-cooled and one wate r/gl ycol-cooled condensing unit. 7.1 Location Considerations 7.1.1 Air-Cooled Condensing Unit s To assure an adequate air supply, it is recommende d that al l condensing units be l ocated in a cl[...]

Split System Models Liebert ® Challenger 30 00 ™ 58 7.2.1 Line V oltage Line voltage e lectrical service is required for a ll condensing units at the lo cation of the condensing unit. This power supply does no t ha ve to be the same voltage as the indoor unit. This separate power source may be 208, 230, 460 or 575 V, 60 Hz; or 200, 230, or 380/ [...]

Split System Models 59 Liebert ® Challenger 3000 ™ All split systems require two refrigerant lines ( an insulated copper suction line and a copper liquid line) between the evaporato r and the condensing unit. Two possible methods exist for installi ng the copper suction and liquid lines. 1. Using an optional Sweat Adapter K it and hard pip ing b[...]

Split System Models Liebert ® Challenger 30 00 ™ 60 Figure 31 Refrigerant p iping diagram T able 22 Line c harges - refrigera nt per 100 f t. (30 m) of T ype “L” copper tube O.D. R407C Liquid Line lb (kg) Suction Line lb (kg) 1/2" 7.3 (3.3) - 5/8" 11.7 (5.3) 0.4 (0.2) 7/8" 24.4 (11.1) 1.0 (0.4) 1-1/8" 41.6 (18.9) 1.7 (0.7[...]

Split System Models 61 Liebert ® Challenger 3000 ™ 7.3.2 Quick Connect Fittings Be especially careful wh en connecting the quick conne ct fittings. Read through the follow ing steps before making the connectio ns. 1. Remove protector caps and p lugs. 2. Carefully wipe coupling se ats and th readed surfaces with a clean cloth. 3. Lubricate the ma[...]

Split System Models Liebert ® Challenger 30 00 ™ 62 7.4 Out door Air-Cool ed Condensing Unit s Figure 32 Out door air-cooled condensing unit—horizont al air discharge models A B C Shad ed area ind icat es a minimum cl earance of 18" (457mm) fo r proper air fl ow Shaded area indic ates a minimum cl earance of 18" (457mm) for proper ai[...]

Split System Models 63 Liebert ® Challenger 3000 ™ T able 26 Horizont al air discharge cabi net and floor planning dimensional dat a Model Numbers Dimensional Data in. (mm) Module Weight lb (kg) net 60 Hz 50 Hz A B C PFC042A-_L P FC041A-_L 48 (1219) 31 (787) 18 (457) 241 (109) PFH042A-_L — PFC042A-_H PFC041A-_H 53 (1343) 36-1/4 (918) 18 (457) [...]

Split System Models Liebert ® Challenger 30 00 ™ 64 Figure 33 Out door air-cooled conde nsing unit—top air discharge models C A 2" (51mm) B D 36-1/8" (918mm) 25-3/32" (637mm) 46-7/32" (1174mm) 4-23/32 " (120mm) 53-3/16" (1351mm) 4" (ty p.) (102mm) 2" (typ.) (51mm) 2" (51mm) 32-1/8" (816mm)  [...]

Split System Models 65 Liebert ® Challenger 3000 ™ T able 28 Cabinet an d floor planning dimensional dat a - prop fan condensin g modules, top air discharge Model Numbers Dimensional Data in. (mm) Module Weight lb (kg) net 60 Hz 50 Hz A B C D PFC067A-_H PFC066A-_H 53 (1343) 36-1/4 (918) 38-1/2 (978) 5-1/2 (140) 488 (222) PFH067A-_H — PFCZ67A-_[...]

Split System Models Liebert ® Challenger 30 00 ™ 66 Figure 34 Electrical field connect ions, prop fan condensing module NOTE: Refer to specifi cation sheet for full load amp and wire size amp ratings SL-1 1081 P g. 8 Factory-wired to components on electric panel. Heat rejection connection. Field supplied 24V N EC clas s 2 wiring. Wire connection[...]

Split System Models 67 Liebert ® Challenger 3000 ™ 7.5 Centrifugal Air-Cool ed Condensing Unit s 7.5.1 Inst alling the Indoor Condensing Unit Refer to drawings for unit dime nsions and component locations. The indoor condensing unit is usual ly mounted abov e the ceiling and must be securely mounted to the roof structure. The ceiling and ce ilin[...]

Split System Models Liebert ® Challenger 30 00 ™ 68 Figure 35 Det ail of ceiling hanging bracket 7.5.2 Ducting The total external static pressure for the inlet an d outlet ducts, including grille, must not exceed 0.5 inches of H 2 O. Hood intake dimensions should be the same as the cond ensing unit duct dimensions. If the condensing unit is lo c[...]

Split System Models 69 Liebert ® Challenger 3000 ™ Figure 36 3-ton centrifugal air-cooled conde nsing unit dimensional dat a & piping connections C D B A  Customer- supplied  threaded rods for  module su pport from ceiling (typ. 4 ) SL-1 1085 Pg. 4 Air Ou tlet Duct C onnection Air Ou tl et Duct Dimension Note:Unit is evenly spaced i[...]

Split System Models Liebert ® Challenger 30 00 ™ 70 Figure 37 3-ton centrifugal air-coole d condensing unit ( con’t. ) DP N000207 Rev0 Si ngle- or three-phas e electri c servi ce not by Li ebert Optional fac tory-install ed disconnect s witc h Factory-wired to component s on electric panel Line volt age electri c power supply conduit entrance [...]

Split System Models 71 Liebert ® Challenger 3000 ™ Figure 38 5-ton centrifugal air-coole d condensing unit dimensional dat a SL-1 1087 Pg. 4 24" (610mm) Cabinet Dimens ion 32" (812.8mm) Cabinet Dimens ion 3-3/8" (85.7mm) 14-1/2" (368.3mm) 8-15/16" (227mm) 15-3/4" (400mm) 1-5/8" (41.1mm) 54" (1371.6mm) Cabi[...]

Split System Models Liebert ® Challenger 30 00 ™ 72 Figure 39 5-ton centrifugal air-coole d condensing unit dimensional dat a ( con’t .) DPN000226 Rev0 Field-Supplied Unit Disconnect Switch when Factory Unit Disconnect Switch is not Supplied Electric service not by Liebert Optional Factory-Installed Disconnect Switch AIR COOLED Line V oltage E[...]

Split System Models 73 Liebert ® Challenger 3000 ™ Figure 40 Split sys tems general arrangement Conden ser Coil 1/2" (1 2.7mm) NP T Pressure Re lief V alve Pressure Balancing Va l v e Sigh t Glass Check Va l v e Lee- T emp Receiver High -Pressure Switc h Scro ll Compre ssor Scro ll Compress or Head-P ressure Control with Integral Check Va l[...]

Split System Models Liebert ® Challenger 30 00 ™ 74 7.6 W ater and Glycol-Coo led Condensing Unit s For installation gu idelines, refer to Installing the Indoor Condensing Unit on page 67. 7.6.1 Piping Considerations It is recommended that manual serv ice shutoff valves be installed at the supply and return line to each unit. This will provide f[...]

Split System Models 75 Liebert ® Challenger 3000 ™ 7.6.4 Glycol Systems For split system glycol syst ems, use drycooler and pump data found in 5.0 - Gl ycol/GLYCOOL- Cooled Models—Self-Contained Compressor . See Table 18 - Drycooler data . Electrical control interconnect to drycooler is wired from water/glycol condensing unit. Figure 41 3-ton [...]

Split System Models Liebert ® Challenger 30 00 ™ 76 Figure 42 3-ton water/gly col-cooled condensing unit ( con’t. ) DPN000209 Rev . 0 Single- or three-phase electric service not by Liebert Field-supplied unit disconnect switch when optional disconnect is not provided in unit Field-supplied 24V NEC Class 1 wiring to fan/coil unit Field-supplied[...]

Split System Models 77 Liebert ® Challenger 3000 ™ Figure 43 5-ton water/gly col-cooled condensing unit d imensional dat a 7/8" (22.2mm) & 1-1/8" (28.6mm) dia. knockouts electrical entrance for line voltage connection (S ingle Point Power Kit) Removable Acce ss Pa ne l 1/2" (12.7mm) dia. holes for module rigging (typ. 2 each e[...]

Split System Models Liebert ® Challenger 30 00 ™ 78 Figure 44 5-ton water/gly col-cooled condensing unit ( con’t. ) DPN000228 Rev . 0 Field-supplied unit disconnect switch when factory unit disconnect switch is not suplied Electric service; not by Liebert W A TER/GL YCOL Optional factory-installed disconnect switch Field-supplied 24V NEC Class[...]

R407C Refrigera nt 79 Liebert ® Challenger 3000 ™ 8.0 R407C R EFRIGERANT T able 33 R407C pres sure/temperature chart for oper ation and superheat (discharge/hot gas and suc tion gas) Temperature Gauge Pressure Temperature Gauge Pressure Temperature Gauge Pressure °F °C Psig kPa °F °C Psig kPa ° F °C Psig kPa 0.0 -17.8 18.9 130 35.0 1.7 54.[...]

R407C Refrigera nt Liebert ® Challenger 30 00 ™ 80 8.1 Calculating Subcooling Example Measure the liquid pressure (e.g., 200 psig). Find the liquid saturation temperature at that pressure on Table 34 (e.g., 93°F). Measure the temperature of the li quid line (e.g., 90°F). Subtract the actual temperature from the liquid saturati on temperatur e [...]

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