Liebert 3000 manuale d’uso

Precision C ooling For Bu siness-Critical C ontinuity Li eb er t C ha l len ger ™ 3000 Install ation M anual - 3 & 5 T ons, 50 & 60Hz[...]

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i T ABLE OF CONTENTS 1.0 I NTRODUCTIO N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 System Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.1 Self Contained Systems . . . . . . . . . . .[...]

ii 5.2 Drycooler Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 5.3 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 5.3.1 Line Voltage . . . . . . . . . . . . . . . . . . . . . . . . [...]

iii FIGURES Figure 1 Removing Challenger fro m skid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2 Upflow (BU) cabinet dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3 Downflow (BF) cabinet dimensions . [...]

iv TA B L E S Table 1 Unit net weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Table 2 Piping connection size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 3 Recommended fre[...]

Introd uction 1 1.0 I NTRODUCTION 1.1 System Descriptions Challenger 30 00 ™ environmental control systems are availabl e 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 a nd a remote condensing unit All th[...]

Installation 2 2.0 I NST ALLATION 2.1 Room Prep aration The room should be well insulate d and must have a sealed vapor ba rrier. The vapor barrier in the ceiling can be a polyethylene film type. Use a rubber or plastic base paint on concrete walls and floors. Doors should not be undercut or have gri lles in them. Outside (or fresh) air should be k[...]

Installation 3 2.4.2 Removal of Skid • Remove the plywood skirti ng that keeps the skid and unit in place. • Raise the Challenger 3000 off the skid. Lieber t recommends using a fork lift ( see Figure 1) or similar machine to ensure that the unit is lifted properly . • Once the unit is raised, the skid can be removed. Figure 1 Removing Ch alle[...]

Installation 4 Figure 2 Up flow (BU) cabinet dimensions 32 1/2 " 32 1/2 " 18 " 6 7/8 " (175mm) (826mm) Over al l Di mension (826mm) Overal l Dimensi on (457mm) Standard Electrical Outlet Location Through Plenum Air Di scharge Gril le 94 " (2388mm) 76 " (1930mm) Blower Outlet with 1" (25.4mm) Flange 7/8" (22.2[...]

Installation 5 Figure 3 Downflow (BF) cabinet dimensions SL -11 897 P G 7 32 1/2 " (826m m) Ov erall Di me ns ion 32 1/2 " (826m m ) Ov erall Di me ns ion 30 1/2 " (775m m) 30 1/2 " (775m m) Pro jec tion of Disp lay Be zel 5/ 8" (16 mm ) 76 " (1930 mm) Opt iona l 1 5 /8" (41 mm) Fla nge f or Duct o r Plen um C o n[...]

Installation 6 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 from being blocked. When i nstalling pipi ng on the subfl oor, it is recommended that the pipes be mounte[...]

Installation 7 Figure 4 Piping connections for air coole d units Condensate Drain, 3/4” FPT Field pitch minimum of 1/8” (3.2mm) per foot (305mm). The drain line must comply with all applicable codes Humi difier Water Supply Line 1/4" O D CU Hot Gas Refri gera nt Line 5/8" O D CU on Mo de ls BF 04 2A /BF 04 0A 7/8" O D CU on Mo de[...]

Installation 8 Figure 5 Piping connections for split s ystem fan coil unit s SL -11 900 P G 8 Pi ping out le t loca tio n s throu gh the ple nu m are the sam e a s the unit. See belo w fo r descriptions and co nnect ion sizes. Hu mi difier W a ter S upply Line 1/4" OD CU Suct ion Re fri gera nt Li ne #11 Quic k Con nect on M odel s BU 036E /BU[...]

Installation 9 Figure 6 Piping connections for wa ter/glycol and GL YCOOL units Condensate Drain 3/4” FPT Fie ld p itch a min . of 1/8" (3.2m m) pe r ft. (30 5m m). The drain line must comply wit h all appl icab le c ode s. Hu mi difier W a ter S u pply Li ne 1/4" OD CU Condenser Re tur n Line 7/8" O D CU on Mo del s BF 046 W G/B F[...]

Installation 10 Figure 7 Piping connections for chilled wa ter self-cont ained units SL-11898 PG 9 Piping outlet locations through the plenum are the same as the unit. See below for descriptions and connectoin sizes Humidifier Water Supply Line 1/4" OD CU Condenser Re tu rn Line 7/8" OD CU on Mode ls BU046WG / BU045WG 1 1 / 8" OD CU [...]

Installation 11[...]

Installation 12 2.6 Electrical Connections Three-phase electrical servi ce is required for all mode ls in either 208, 230, 460, or 575 V, 60 Hz; or 200, 230, or 380/415 V, 50 Hz. Electrical service sh all conform to national and local electrical codes. Refer to equipment nameplate regard ing wire size and circuit protecti on requirements. Refer to [...]

Installation 13 13. Smoke detector alarm connections. Field-supplied 24V. Class 1 wiri ng to remote alarm circuits. Factory-wired contacts from optional smo ke detector are #91 -comm., #92-NO, and #93-NC. 14. Common alarm connection. Field-suppli ed 24V. Class 1 wiring to common alarm terminals 75 + 76 (and optional 94 + 95, and 96 + 97), which are[...]

Installation 14 2.7.2 Ducted Applications For ducted applications on units, the duct work may be attached to the top perimeter of the unit. Refer to Figure 2 for i nformation on u pflow units and to Figure 3 for downflow units. The duct work on upflow units must allow access to the motors/blowers for maintenance. The duct work on upflow units must [...]

Installation 15[...]

Air Cooled Models 16 3.0 A IR C OOLED M ODELS 3.1 Condenser Location The air cooled condenser should be located for maximu m security and mainte n ance accessibility. Avoid ground level sites with public access or area s that contribute to heav y snow or ice accumula- tions. Utilize centrifugal condense rs whenever interior building lo cations must[...]

Air Cooled Models 17 Figure 9 Air cooled c ondensers T able 4 Air cooled conde nser st atistics Model Number of Fans Connection Sizes (OD Copper) Net Weight lbs (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) Secure each leg to c ondenser frame at all point s shown [...]

Air Cooled Models 18 3.3 Refrigerant Piping All refrigeration pip ing should be installed with high temperat ure brazed joints. Prevailing good refrigeration practice s should be employ ed for piping supports, leak testing, de hydration and charg- ing of the refrigeration circuits. Unit refrigeration components and piping are shippe d from the fact[...]

Air Cooled Models 19 3.4 Fan Speed Control Systems Fan Speed Co ntrol provid es an infini te number of speed variations on spec ially designed, permanent split-capacitor motors. The control module varies the air quantity pa ssing over the condenser coil by monitoring refrigerant pressure. 3.4.1 Materials Supplied 1. Built-in pre-wired condenser con[...]

Air Cooled Models 20 3.4.2 Dehydration/Leak T est and Charging Procedures for R22 (st andard) or R407C (Optional) Fan S peed Control T ype Condenser Dehydration/Leak T est 1. Make sure unit is OFF. Open all disco nnects an d remove all fuses except control fuses. On units supplied with circuit brea kers, open all breakers except for the transformer[...]

Air Cooled Models 21 Figure 10 Air cooled fan speed control general arra ngement SL -11 897 P G 5 Co n denser Co il Sc hrader Va lve Fusible Pl ug Inv erted Traps* on discha rge an d retu rn line s to e xt en d ab ov e b ase o f coi l by a min i mu m of 7 1/2" (19 0m m ) Trap s* e very 25 ft. (7.6 m) of rise Evapor at or Co il E xpa nsio n Va [...]

Air Cooled Models 22 3.4.3 Charging 1. Make sure unit is OFF. Open all disconnect swit c hes and, on units supplied with ci rcuit breakers, open all breakers. Replace all fuses for th e Fan and Compressors or close breakers. 2. Remove jumper on the Fan Safety Switch and reconnect the system wire connections. Ensure that all operational components a[...]

Air Cooled Models 23 3.5.2 Materials Supplied 1. Built-in pre-wired condenser control box 2. Air cooled condenser 3. Piping access cover to be rein stalled when pipi ng is comple te 4. Bolts (four per leg) 3/8" x 5/8" 5. Terminal block for two-wire 24 V interlock connection between the unit and the cond enser 6. Condenser legs: four on on[...]

Air Cooled Models 24 Dehydration/Leak T est 1. Make sure unit is OFF. Open all d isconnect swit ches and pull all fuses except control fuses. On units supplied with circuit breakers, open all breakers except for the transformer. 2. Add a jumper to the Fan Safety Switch betw een Common and Normal Open and disconnect the wire connected to the Normall[...]

Air Cooled Models 25 Figure 1 1 Air cooled, Lee-T emp general arrangement FA CTO R Y PI PI NG FIEL D PIPI NG SING L E CIR C UIT S H OW N SL -10061 PG 4 SL -10071 PG 4 Piping Assembly * * Co ndenser Coil Rotalock Valve ** 1/4" ( 6.4m m) Pr essure Relief Valve * * Sight Glass Lee-Te mp Rec eiver He ad P ressure Co ntrol with Integral Ch eck Valv[...]

Water Cooled Models 26 4.0 W ATER C OOLED M ODELS 4.1 Piping Considerations Manual shut-off valves should be installed at the supply and return lines of each unit. This will pro- vide for routine maintenance or emergency isolation of the unit. When the water source for the condenser is of poor quality, it is g ood practice to provide cleanable fil-[...]

Water Cooled Models 27 Figure 12 W ater cooled general arrangement SL -11 898 P G 5 E vap orato r Co il E xpa nsion Va lve Se nsin g Bu lb Ex te rn al Eq ualizers Hot Ga s Bypas s Va lve Scro ll Compressor Se rvice Va lves Hot Ga s Byp as s So leno id Va lve Si ght Glas s Filt er Dr ier Hot Gas Bypass Tube in Tube Co n denser Byp as s Va lve 2-W ay[...]

Water Cooled Models 28 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 are low. The va lve consists of a brass body, balance sprin[...]

Water Cooled Models 29 4.3.2 High Pressure V alve - 350 p sig (2413 kPa) System for 3 T on Units (Metrex V alve) Adjustment The valve may be adjusted using a 1/8" diameter ro d. Turn the adjusting co llar nut counterclockwise to raise head pressure; turn it clockwise to lower head pressure. Rotation directions are viewed from top of valve spri[...]

Glycol/GLYCOOL Cooled Models 30 5.0 G LYCOL /GL YCOOL C OOLED M ODELS 5.1 Drycooler Location The drycooler shou ld be located for ma ximum secu rity and maintenance acce ssibility. Avoi d ground- level sites with public access or areas which contribute to heavy snow or ice accu mulations. To assure adequate air supply, it is recommend ed that dryco[...]

Glycol/GLYCOOL Cooled Models 31 5.4 Glycol Piping It is recommended that manual serv ice shut-off va lves be installed at the supply and return connec- tions to each unit. This enables routine s ervice an d/or emergency isolation of the unit. In addition, multiple pump pa ckages require a ch eck valve at th e discharg e of each pump to prevent back[...]

Glycol/GLYCOOL Cooled Models 32 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 system. Vent s are required at s ystem high poin ts to vent trapped air when fill- ing the system. A re lief valve i s a also a necessa[...]

Glycol/GLYCOOL Cooled Models 33 5.5.2 Glycol Solutions When considering the use of any glycol products in a particular application, you should rev iew the lat- est Material Safety Data Sheets an d ensure that the use you intend can be accomplished safely. For Material Safety Data Shee ts and other product saf ety informatio n, contact the supplier [...]

Glycol/GLYCOOL Cooled Models 34 5.5.3 Filling the System Installation of hose bibs at th e lowest point of the system is recommended. When filling a glyco l sys- tem keep air to a minimum. Air in glycol turns to foam and is di ffic ult and time-consuming to remove. (Anti-foam additives are av ailable and ma y be cons idered.) Open all operat ing sy[...]

Glycol/GLYCOOL Cooled Models 35 Figure 15 Drycoolers and pump pa ckages Notes 1. Single pump packages are 17-1 /4" (438 mm) wide. Dual pump p ackages ar 32-1/4" (819 mm) wide. 2. Mounting holes are 15-1/4" (387 mm) apart on single pump pa ckages and 30- 1/4" (768 mm) apart on dual pump packages. 3. Connection sizes apply to prim[...]

Glycol/GLYCOOL Cooled Models 36 Figure 16 Pump p ackages—exp ansion tank T able 17 Mounting hole dimensional dat a PUMP PACKAGE A in (mm) B in (mm) C in (mm) SINGLE (0.75 - 7.5 Hp ) 15-1/4 (3 87.4) 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) DUAL (7.5 Hp) 39-5/16 (998.5) 1-3/4 (44.5) 26-7/8 (682.6) T[...]

Glycol/GLYCOOL Cooled Models 37 Figure 17 Glycol general arrangement SL -11 898 P G 6 Glycol Pu mp Pump Hou sing Un ions* Isol ation Valves* Expa nsio n Va lve Dry coole r El ect ric Bo x Dryc oole r Co il Flu id Ret urn to Pu mp Fluid Su pply from Pu mp Un ions* Fill * E xpa nsio n T an k Fie ld In st alled a t Hi ghest Point in S ystem . Ex pans [...]

Glycol/GLYCOOL Cooled Models 38 Figure 18 GL YCOOL general arrangeme nt SL-1 19 01 PG 5 Pu mp Hou sin g Glycol Pu mp Un io ns* Isol ation Va lves* E xpan sio n Va lve Ev ap orato r Co il Dr yc oole r Co il Drycooler El ect ric Bo x Un ion s* Pre ssure Po rt* Ho se Bi b* Fill * Fluid Ret urn to Pu mp Fluid Su pply from Pu mp A i r V ents* at Top of [...]

Glycol/GLYCOOL Cooled Models 39 5.6 Condenser The condenser is designed to operate in conjuncti on with a dry cooler. The maximum coolant pressure is 350 psig (2413 kPa). 5.7 Glycol Regulating V alve The glycol regula ting valve automa tically regulates the amount of coolant necessary to remove the heat from the refrigeration system, permitting mor[...]

Chilled Water Models 40 6.0 C HILLED W ATER M ODELS 6.1 Piping Considerations Manual shut-off valves should be installed at the supply and return lines to each unit. This will pro- vide for routin e service and eme rgency isolation o f the unit. Consideration of the minimu m water temperature to be supplied fr om the chiller will determine if the n[...]

Chilled Water Models 41 Figure 20 Chilled water general arrangement - downf low (BF) models SL-1 18 99 PG 6 Ai r Flow Ch ille d W ate r Co il Bl eed Va lve Va lve Actu a tor 3-W ay Ch ille d W ater Va lve A B AB Flow Sw itch (opt iona l) Ch ille d W ate r Su pply Ch ille d W ater Ret urn Ho se Bi bs* Sh utoff Va lves* 3- W A Y VA L VE Ai r Flow Bl [...]

Split System Models 42 7.0 S PLIT S YSTEM M ODELS Three (3) condensing unit styles are available: two (2) air cooled and one ( 1) water/glycol cooled con- densing un it. 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 locate d in a clean air area, away[...]

Split System Models 43 7.3 Piping Considerations 7.3.1 Refrigerant Loop All split systems require two refrigerant lines (an in sulated copper suction line and a copper liquid line) between the evaporato r and the condensing unit. Two possible methods exist for installing the copper sucti on and liquid lines. 1. Using an optional Sweat Adapter K it [...]

Split System Models 44 Once all piping is comp lete, check for leaks and dehydrate the field pi ping as follows: 1. Pressurize the field piping to 150 PSIG (1034 kPa) using dry nitrogen with a trace of refri gerant. Check system for leaks with a suitable leak detector. 2. After completion of leak testing, release the test pressure (per local code) [...]

Split System Models 45 Figure 21 Refrigerant p iping diagram T able 25 Equivalent lengths (feet) for va rious pipe fittings Copper Pipe OD in. 90 Degree Elbow Copper 90 Degree Elbow Cast 45 Degree Elbow Tee Gate Valve Globe Valve Angle Valve 1/2 0.8 1.3 0.4 2.5 0.26 7.0 4.0 5/8 0.9 1.4 0.5 2.5 0.28 9.5 5.0 3/4 1.0 1.5 0.6 2.5 0.3 12.0 6.5 7/8 1 .45[...]

Split System Models 46 7.3.2 Quick Connect Fittings Be especially careful wh en connecting the quick connect fitti ngs. Read through the followin g steps before making the connectio ns. 1. Remo ve protector caps an d plugs. 2. Ca refully wipe coupli ng seats and th readed surfaces with a clean cloth. 3. Lu bricate the male diaphrag m and synthetic [...]

Split System Models 47 7.4 Out door Air Cool ed Condensing Unit s Figure 22 Out door air cooled condensing unit—ho rizont al air discharge models A B C INDICATES A MINIMUM CLE ARA NCE OF 18" ( 457mm) FOR PROPER AIR FL OW. SHADED AREA INDICATES A MINIMUM CLEA RANCE O F 18 " (457mm) FOR PROPER AIR FLOW SHADED AREA INDICAT ES A RECOMMENDED[...]

Split System Models 48 T able 26 Horizonta l air discharge cabi net and floor planning dimensional dat a Model Numbers Dimensional Data in. (mm) Module Weight lbs (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) 351 (159) PFH042A-_H PFCZ42A-_L PF[...]

Split System Models 49 Figure 23 Out door air cooled conde nsing unit —top air discharge models SL -11081 PG 5 C A 2" B LE FT AIR IN TAK E (5 1mm) D GUAR D HEI GHT TO P AIR DIS CHA RGE RI GH T AIR INT AK E SH AD ED AR EA INDIC ATES A REC OM MEND ED CL EA RAN CE OF 18" (457m m ) F OR PRO P ER AIR FLOW SH ADED AR EA INDIC ATES A REC OM ME[...]

Split System Models 50 T able 28 Cabinet and floor planning dimension al data - prop fan condensin g modules, top air discha rge Model Numbers Dimensional Data in. (mm) Module Weight lbs (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-_L PFCZ66A-_L T able 29 Piping and [...]

Split System Models 51 Figure 24 Electrical field connect ions, prop fan condensing module SL -11081 PG 8 Fact o ry wi r ed to com po nent s on ele ct ric pa ne l. Hea t rejec ti on c onnec tion. Fi eld su pplied 24V NEC c lass 2 wiring . Wir e co nn ecti ons from e vapo rator m odule: 1 24 V GND 2 24 V Su pply 3 High Pressur e Alarm 4 H ot G as B [...]

Split System Models 52 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 iling sup ports of existing bu ildi[...]

Split System Models 53 Figure 25 Det ail of ceiling hanging bracket 3/8" threaded r od (field-supplied) 3/8" hex nut 3/8" washer Sleeve Isolator 3/8" fender washer 3/8" hex nut 3/8" hex nut Nylock Unit base p an (ref)[...]

Split System Models 54 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 t he condensing unit d uct dimen- sions. If the condensing uni t is lo cated close to the outside of the buil ding, rain hood s must be installed[...]

Split System Models 55 Figure 26 2 and 3 ton centrifugal air cooled conde nsing unit dimensional dat a & piping connections 50 1/4" (1276 m m) O verall Di me nsion 46 1/2" (1181 m m) Cabinet Di me nsion 48 1/4" (1225 m m) Th read ed Ro d Center s 21 1/2" (546m m) C abinet Di me nsion 19 1/2" (495m m) Th read ed Ro d Cen[...]

Split System Models 56 Figure 27 3 ton centrifuga l air cooled condensing unit (c on't.) DPN000207_Rev0 NOTES: 1. Refer to specific atio n sheet for full load amp. and wire size amp. ratings. 2. Control volt age wiring must be a min imum of 16 GA (1.6mm) for up to 75' (23m) or not to exceed 1 volt drop in control line. Optional factory-in[...]

Split System Models 57 Figure 28 5 ton centrifuga l air cooled condensing unit dimens ional dat a SL -11087 PG 4 51 13/ 16 " 1 3 /4 " 21 1/4 " 1 5 /8 " 48 " 33 5/8 " 54 " 32 " 8 1 5/16 " 15 3/4 " 3 3 /8 " 14 1/2 " 24 " (812. 8mm ) (13 71.6m m) (41. 1mm ) (12 19.2m m) (40 0mm) (227m m)[...]

Split System Models 58 Figure 29 5 ton centrifuga l air cooled condensing unit dimens ional dat a (con't.) DPN000226_Rev0 AIR COOLED Heat rejection connection. Fi eld-supplied 24V NEC Class 2 wiring. See Note 2 . Wire connections from e vaporator module. 1. 24V GND 2. 24V supply 3. High pressure alarm (op t io nal) 4. Hot gas bypass connection[...]

Split System Models 59 Figure 30 Split systems general arrang ement SL-1 19 00 PG 5 Co n denser Co il 1/2" (12.7m m) NP T Press ure Reli ef Valve Si ght Glas s Check Va lv e Lee -Temp Re cei ver High P res sure Sw itch Scroll Co mpre ssor Hea d Pres sure Con trol with Int egral Ch eck Va lve Li quid Line So leno id V alve Su ction L ine Ma le [...]

Split System Models 60 7.6 W ater and Glycol Cooled Con densing Unit s For installation gu idelines, refer to Installing the Indoor Condensing Unit on page 52. 7.6.1 Piping Considerations It is recommended that manual serv ice shut-off va lves be installed at the supply and return line to each unit. This will provide for routine service or emergenc[...]

Split System Models 61 Figure 31 2 and 3 ton water/gl ycol cooled conde nsing unit 14" (356m m ) Ov erall C abinet Di me nsio n 8 7/8" (225m m) 50 1/4" (12 76 mm ) O ve rall D ime nsion 48 1 /4 " ( 122 5mm) Th reade d R od Cen ters 46 1/ 2" (1181 m m) Cab inet D ime nsio n 20 3/4" (52 7mm) Min imu m C lea rance 33"[...]

Split System Models 62 Figure 32 3 ton water/glycol coo led condensing unit (con't .) DPN000209_Rev0 Heat rejectio n co nn e cti on . Field-supp lie d 2 4V NEC Cla ss 2 wiri ng. Wire connections from evapor ator mod: 1. 24V GND 2. 24V supply 3. High pressure alarm (opt) 4. Hot gas bypass connection (only on units with hot gas bypass) NOTES 1. [...]

Split System Models 63 Figure 33 5 ton water/glycol coo led condensing unit dimensional dat a SL -11087 PG 6 32 " 32 " 29 13/ 16 " 33 5/8 " 24 " (81 2.8mm ) (610m m) (854.1 mm ) (75 7.2m m) CA BIN ET DIM EN SIO N THRE AD ED RO D CEN TER S (812.8 mm ) CA BIN ET DIM EN SIO N CA BIN ET DIM EN SION THRE AD ED RO D CEN TER S Ha [...]

Split System Models 64 Figure 34 5 ton water/glycol coo led condensing unit (con't .) DPN000228_Rev0 NOTES 1. Refer to specif ication sheet for full load amp. a nd wire size amp. ratings. 2. Control volt age wiring must be a minimum of 16 GA (1.6mm) for up to 75' (23m) or not to exceed 1 volt drop in control line. WATE R / G LY C O L Elec[...]

R407C Refrigera nt 65 8.0 R407C R EFRIGERANT T able 33 R407C pressure/tempera ture chart for oper ation and superheat (discharg e/hot gas and suction gas) Temperature Gauge Pressure T emperature G auge Pressure Temperature Gauge Pressure °F °C Psi g kP a °F °C Psig kPa °F °C Psig kPa 0.0 -17.8 18.9 13 0 3 5.0 1.7 54 .8 378 70.0 21.1 114.9 792[...]

R407C Refrigera nt 66 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 to obtain the subc ooling (e.g.,[...]

R407C Refrigera nt 67 Notes[...]

R407C Refrigera nt 68[...]

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Ensuring The Hi gh Av ailab ilit y 0f Mission-Critic al Data And Ap plic ations. Emerson Net work P owe r , the global leader in enabling business-critical continuity , ensures network resiliency and adapta bility through a family of technologies—inc luding Liebert power and cooling technologies—that prot ect and suppor t business-critical syst[...]