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Indoor Room Cooling Units with Modulating Capacity Liebert HPM

1. Va EXTERNAL FOR D3F D4h K F Se Se em s y SUPPLY LIMIT SUPPLY LIMIT SUPPLY LIMIT Dje CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Reheating solenoid valve optional 3 High pressure switch HP 15 Evaporator 4 Air cooled condenser 16 Low pressure switch LP 5 Liquid receiver 20 Capacity mod solenoid valve 6 Access valve 21 Shut off solenoid valve 7 Safety valve 22 Reheating coil optional 8 Filter dryer 24 Check valve for D3F D4H only 9 Sight glass 26 High pressure transducer HP 12 Check valve 28 Thermostatic expansion valve TXV 14 16 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 17 Liebert HPM D3F D4H D5D D7L U O W 2 x TXV _ ONLY WITH REHEATING COIL OPTION LEFT SIDE KO E RIGHT SIDE LD 5 N EXTERNAL FOR e ERA l K r gt 23 al
2. D L EXTERNAL FOR D3F D4H K r gt QF sa 65 x lee gt R s SUPPLY LIMIT SUPPLY LIMIT De CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Hot gas solenoid valve optional 3 High pressure switch HP 15 Evaporator 4 Air cooled condenser 16 Low pressure switch LP 5 Liquid receiver 18 Pressure transducer for electronic expansion valve 6 Access valve 20 Capacity mod solenoid valve 7 Safety valve 22 Reheating coil optional 8 Filter dryer 23 Thermostat for electronic expansion valve 9 Sight glass 24 Check valve 10 Electronic expansion valve EEV 26 High pressure transducer HP 12 Check valve Liebert HPM Digital PD 273560 01 02 2011 14 11 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 12 Liebert HPM D3F D4H D5D D7L U O W 2 x EEV _ ONLY WITH REHEATING COIL OPTION LEFT SIDE RIGHT SIDE Y NV WATER OUTLET EXTERNAL FOR K SF E Zu 68 N WATER INLET
3. COIL OPTION 2 REARSIDE FRONT SIDE E A a de V Ei AL E KI D el ei YN KW Q Es DIGITAL A COMPRESSOR J gt X STANDARD _ COMPRESSOR e H d 0 o a z 3 gd lt D lt lt MS g g Ss 3 a DK WATER OUTLET lt WATER INLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 16 Low pressure switch LP 2 Crankcase heater 21 Shut off solenoid valve 3 High pressure switch HP 22 Reheating coil optional 4 Water cooled condenser 26 High pressure transducer HP 5 Liquid receiver 27 Head pressure control valve 6 Access valve 28 Thermostatic expansion valve TXV 7 Safety valve 29 Condensing regulation water valve 8 Filter dryer 30 Chilled water coil 9 Sight glass 31 Chilled water 3 way valve 11 Pressure transducer condensing regulation 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 35 Safety thermostat 14 Hot gas solenoid valve optional 36 Hot gas injection valve 15 Evaporator 38 Minimun pressure switch LP iebert igital PD 273560 01 02 2011 14 30 Liebert HPM Digital PD Refrigerant and Hydraulic Circuits Fig 14 31 Hot water reheating coil optional A SUPPLY LIMIT SUPPLY LIMIT HOT WATER OUTLET HOT WATER INTET POS Optional components 3 Hot water
4. Fig 12 h Liebert HPM can be equipped with intake and supply ducts on the g top for connection of the unit to a false ceiling The air duct is manufactured to complement the design of the unit it consists of sandwich panels lined with non flammable insulation material of Class 0 ISO 1182 2 density 30 kg m3 its height ranges between 500 mm and 1200 mm see Fig 12 a Base frames option When required a base frame adjustable in height by 25 Fig 12 mm can be supplied Three sizes are available height lt 300 mm gt lt 500 mm lt 800mm Note This frame allows the installation of more units side by side b Fig 12 j C BASE FRAME ACCESSORY F E FRONT UNIT Tab 12a Hole in the floor and base frame dimensions Dimensions mm MODELS A B c without with base without with base without with base D E F base frame frame base frame frame base frame frame D1E D1G D2E 690 750 670 740 740 730 D3A 930 1000 lt 300 990 D3F D3G D4E 770 840 50 10 lt 500 830 Dan D5D D7L 1680 1750 lt soo 1740 D8F 2460 2550 805 895 2550 885 Liebert HPM Digital PD 273560 01 02 2011 Dimensional Data Connections Packing Fig 12 k Packing standard A 2080 SE es The air conditioners are usually packed on a wooden pallet 1 with shockproof angle pieces in
5. ONLY WITH REHEATING COIL OPTION px v7 lt NY D E oa D e ei gt TI be V A KE A S N O MmU O E Mi ONLY FOR D1G V 5 SC SUPPLY LIMIT SUPPLY LIMIT H R H 5 H J g Z 8 8 2 O o EXTERNAL FOR D1G CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 15 Evaporator 2 Crankcase heater 16 Low pressure switch LP 3 High pressure switch HP 18 Pressure transducer for electronic expansion valve 4 Air cooled condenser 20 Capacity mod solenoid valve 5 Liquid receiver 22 Reheating coil optional 6 Access valve 23 Temperature sensor for EEV 7 Safety valve 24 Check valve 8 Filter dryer 26 High pressure transducer HP 9 Sight glass 29 Minimum pressure switch 10 Electronic expansion valve EEV 30 Chilled water coil 12 Check valve 31 Chilled water 3 way valve 13 Shut off valve 32 Inlet water sensor 14 Reheating solenoid valve optional 33 Manual bleed valve 14 4 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant EEV ALCO and Hydraulic Circuits Fig 14 5 Liebert HPM D1G D2E D3A D3G D4E U O H A e AJ _ lt e ONLY W
6. 1 A ONLY WITH REHEATING 8 REAR SIDE TC coloption _ FRONT SIDE ea gt H 08 L _ xN n DIGITAL COMPRESSOR STANDARD _____ COMPRESSOR Ga FO N SS B ON a Cem be T S h H WATER INLET I POS DESCRIPTION POS DESCRIPTION 1 Compressor 21 Shut off solenoid valve 2 Crankcase heater 22 Reheating coil optional 3 High pressure switch HP 26 High pressure transducer HP 4 Water cooled condenser 27 Head pressure control valve 5 Liquid receiver 28 Thermostatic expansion valve TXV 6 Access valve 29 Condensing regulation water valve 7 Safety valve 30 Chilled water coil 8 Filter dryer 31 Chilled water 2 way valve 9 Sight glass 32 Inlet water thermostat 11 Pressure transducer condensing regulation 33 Manual bleed valve 12 Check valve 35 Safety thermostat 13 Shut off valve 36 Hot gas injection valve 14 Hot gas solenoid valve optional 37 Shut off solenoid valve 15 Evaporator 38 Minimun pressure switch LP 16 Low pressure switch LP 14 28 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 29 Liebert HPM D8F U O D 2xTXV SE ee
7. MODEL External temperature up to External temperature up to External temperature up to 35 C 40 C 46 C D1ExA 1 x HCR24 1 x HCR24 1 x HCR33 D1GxA D 1 x HCR24 1 x HCR24 1 x HCR33 D2ExA D 1 x HCR33 1 x HCR43 1x HCR51 D3AxA D 1 x HCR33 1 x HCR43 1 x HCR59 D3FxA D 2 x HCR24 2 x HCR24 2 x HCR33 D3GxA D 1 x HCR33 1 x HCR43 1 x HCR76 D4ExA D 1 x HCR43 1 x HCR59 1 x HCR76 D4HxA D 2 x HCR24 2 x HCR33 2 x HCR43 D5DxA D 2 x HCR33 2 x HCR43 2 x HCR59 D7LxA 2 x HCR33 2 x HCR43 2 x HCR76 D8FUA D 2 x HCR43 2 x HCR51 2 x HCR76 Tab 5g Technical data and performance of Air condenser Total Heat Refrigerant Rejection Noise connections Unit with packing Power THR Air Level Input Current FLA mm Model supply Volume Zeen er Power Absorption Al Di V Ph HZ R410A m3 h m kW A Gas line Liquid line sions Weight kW mm mm mm kg L 1112 HCR 24 230 1 50 24 0 8 600 51 0 0 55 2 5 2 5 16 16 W 1340 60 H 907 L 1112 HCR 33 230 1 50 32 2 7 400 51 0 0 55 2 5 2 5 16 16 W 1340 75 H 907 L 1112 HCR 43 230 1 50 46 0 17 000 54 0 1 10 5 0 5 0 16 16 W 2340 92 H 907 L 1112 HCR 51 230 1 50 52 0 17 000 54 0 1 10 5 0 5 0 22 16 W 2340 93 H 907 L 1112 HCR 59 230 1 50 62 0 15 600 54 0 1 10 5 0 5 0 22 16 W 2340 102 H 907 L 1112 HCR 76 230 1 50 78 0 25 500 56 0 1 65 7 5 7 5 22 16 W 3340 136 H 907 L 1112 HCR 88 230 1 50 92 0 23 400 56 0 1 65 7 5 7 5 22 16 W 3340 165 H 907 L 1112
8. DxxOF Units Liebert HPM Digital PD 273560 01 02 2011 2 7 Model Configuration Version D Air cooled condenser dualfluid units Dualfluid modes The Dualfluid unit cools the air flow by means of the air refrigerant coil 5 in direct expansion rows direct expansion mode see refrigeration circuit or as an alternative the air water coil 5 in the chilled water rows chilled water mode Refrigeration circuit The compressor 1 pumps the hot gaseous refrigerant into an outdoor air cooled condenser 2 The liquefied refrigerant arrives to a liquid receiver 3 that ensures a constant and even refrigerant flow to the thermostatic expansion valve 4 and then arrives to the evaporator 5 Here the refrigerant thanks to the heat exchanged with the room air moved by the fan 6 evaporates and returns to the compressor 1 from this the refrigerant begins a new refrigeration cycle To maintain the correct refrigerant discharge pressure the speed of the motor fan 8 is controlled on off or proportional mode Shut off valves are provided as standard to assist with routine maintenance The compressor 1 has a built in non return valve to avoid return of liquid refrigerant from the condenser in summertime thus protecting the compressor from undesired refrigerant slugging during the start up A second non return valve 7 is recommended to avoid in wintertime refrigerant migr
9. 5 o z z SI 8 o o De CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 20 Capacity mod solenoid valve external for D3F D4H 2 Crankcase heater 21 Shut off solenoid valve 3 High pressure switch HP 22 Reheating coil optional 4 Air cooled condenser 24 Check valve for D3F D4H only 5 Liquid receiver 26 High pressure transducer HP 6 Access valve 28 Thermostatic expansion valve TXV 7 Safety valve 29 Minimum pressure switch 8 Filter dryer 30 Chilled water coil 9 Sight glass 31 Chilled water 3 way valve 12 Check valve 32 Inlet water thermostat 13 Shut off valve 33 Manual bleed valve 14 Reheating solenoid valve optional 35 Safety thermostat 15 Evaporator 36 Hot gas injection valve antifreeze 16 Low pressure switch LP 37 Hot gas injector Liebert HPM Digital PD 273560 01 02 2011 14 19 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 20 Liebert HPM D3F D4H D5D U O H 2 x TXV ONLY WITH REHEATING COIL OPTION LEFT SIDE RIGHT SIDE EXTERNAL FOR F D4H GN D3 a OF 57 zL
10. ONLY FOR D1E DI1G OM Y A A SUPPLY LIMIT SUPPLY LIMIT Ale EXTERNAL FOR D1E D1G CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 12 Check valve 2 Crankcase heater 13 Shut off valve 3 High pressure switch HP 14 Reheating solenoid valve optional 4 Air cooled condenser 15 Evaporator 5 Liquid receiver 16 Low pressure switch LP 6 Access valve 20 Capacity mod solenoid valve 7 Safety valve 21 Shut off solenoid valve 8 Filter dryer 22 Reheating coil optional 9 Sight glass 24 Check valve 10 Thermostatic expansion valve TXV 26 Pressure transducer for HP 14 6 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant TXV and Hydraulic Circuits Fig 14 7 Liebert HPM D1E D1G D2E D3A D3G D4E U O W N g A gt t lt y lt ONLY WITH REHEATING COIL OPTION EXTERNAL FOR D1E D1G WATER OUTLET WATER INLET Liebert HPM Digital PD 273560 01 02 2011 POS DESCRIPTION POS DESCRIPTION 1 Compressor 12 Check valve 2 Crankcase heater 13 Shut off valve 3 High pressure switch HP 14 Reheating solenoid valve optional 4 Water cooled condenser 15 Evaporator 5 Liquid receiver 16 Low pressure switch LP 6 Access valve for D13 17 20 only 20 Ca
11. POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Reheating solenoid valve optional 3 High pressure switch HP 15 Evaporator 4 Water cooled condenser 16 Low pressure switch LP 5 Liquid receiver 18 Pressure transducer for electronic expansion valve 6 Access valve 20 Capacity mod solenoid valve 7 Safety valve 22 Reheating coil optional 8 Filter dryer 23 Temperature sensor for EEV 9 Sight glass 24 Check valve for D3F D4H only 10 Electronic expansion valve EEV 25 Condensing regulation water valve 11 Pressure transducer condensing regulation 27 Head pressure control valve 12 Check valve 14 12 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 13 Liebert HPM D3F D4H DS5D U O F 2 x EEV _ ONLY WITH REHEATING COIL OPTION LEFT SIDE es RIGHT SIDE EXTERNAL FOR D3F D4H G r X ONLY FOR D3F D4H WATER INLET WATER OUTLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 18 Pressure transducer for electronic expansion valve 2 C
12. Sa 5 d CH EA Z 3 b P Ge lt lt ol o z Zz a ol o o WATER INLET d WATER OUTLET D POS DESCRIPTION POS DESCRIPTION 1 Compressor 20 Capacity mod solenoid valve 2 Crankcase heater 21 Shut off solenoid valve 3 High pressure switch HP 22 Reheating coil optional 4 Water cooled condenser 24 Check valve for D3F D4H only 5 Liquid receiver 25 Condensing regulation water valve 6 Access valve 27 Head pressure control valve 7 Safety valve 28 Thermostatic expansion valve TXV 8 Filter dryer 29 Minimum pressure switch 9 Sight glass 30 Chilled water coil 11 Pressure transducer condensing regulation 31 Chilled water 3 way valve 12 Check valve 32 Inlet water thermostat 13 Shut off valve 33 Manual bleed valve 14 Reheating solenoid valve optional 35 Safety thermostat 15 Evaporator 36 Hot gas injection valve antifreeze 16 Low pressure switch LP 37 Hot gas injector 14 20 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 21 Liebert HPM D8F U O A 2xEEV REAR SIDE ONLY WITH REHEATING COIL OPTION FRONT SIDE STANDARD COMPRESSOR SUPPLY LIMIT SUPPLY LIMIT CONDENSING UN
13. 12 0 dB Over 1200 mm 2 9 5dB 14 0 dB Liebert HPM Digital PD 273560 01 02 2011 Technical Specifications Fan room unit Innovative application of single inlet centrifugal fans incorporating an impeller with curved blades corrosion resistant made of aluminium with new design to get increased performances and sound radiation free of tonal noise High efficiency The motor is three phase with IP54 protection provided with internal thermal protection The fan wheel is statically and dynamically balanced the bearings are self lubricating The fan is mounted on anti vibration rubber supports to reduce the mechanical contact with the frame and hence minimize vibration Available head up to 350 Pa Modularity Variable speed several different settings possibility to optimize air flow available head dehumidification operation Other information see Chap 1 e zr Air filters see Chap 9 Compressor Digital Scroll compressor Digital range When it is mandatory to have a precise and continuous equivalence between the load and the cooling capacity We get this through the innovative compressor the Copeland Digital Scroll It uses a simple and effective method to modulate the capacity giving unparalleled performance in the modulation field The controlled separation of the scrolls is achieved using a solenoid valve and a bypass connection between the discharge chamber and the intake g
14. 26 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 27 Liebert HPM D8F U O W 2xTXV DIGITAL COMPRESSOR OG i REAR SIDE ONLY WITH REHEATING COIL OPTION OO GO WATER OUTLET WATER INLET FRONT SIDE STANDARD COMPRESSOR POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Hot gas solenoid valve optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 21 Shut off solenoid valve 5 Liquid receiver 22 Reheating coil optional 6 Access valve 24 Hot gas injection valve 7 Safety valve 25 On off pressure switch hot gas injection valve 8 Filter dryer 27 Head pressure control valve 9 Sight glass 28 Thermostatic expansion valve TXV 11 Pressure transducer condensing regulation 29 Condensing regulation water valve 12 Check valve Liebert HPM Digital PD 273560 01 02 2011 14 27 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 28 Liebert HPM D8F U O F 2xTXV E
15. 37 9 31 7 56 7 D4EOF D H 2 SPL 62 7 61 9 585 578 57 0 532 49 1 44 1 37 7 58 4 3 PWL 84 6 84 1 87 0 82 7 726 676 679 628 548 78 1 1 SPL 59 9 54 8 58 8 54 4 53 2 51 9 46 4 39 9 35 8 55 9 D4HOF D H 2 SPL 59 9 55 9 58 8 54 4 57 1 53 6 47 3 39 9 35 8 57 9 3 PWL 68 0 68 3 76 9 80 3 75 72 7 69 8 65 0 62 3 78 5 1 SPL 63 0 57 9 61 9 57 5 56 3 55 0 49 5 43 0 38 9 59 0 D5DOF D H 2 SPL 63 0 58 8 61 9 57 5 60 0 56 5 50 2 43 0 38 9 60 8 3 PWL 71 7 71 7 80 6 84 0 76 3 75 5 73 4 68 7 66 0 81 3 LEGENDA The sound levels global and for each octave band are expressed in dB with a tolerance of 0 2 dB 1 Only ventilation 50 Pa available external static pressure 2 m in front of the unit and 1 5 m height in free field conditions 2 Working compressor 50 Pa available external static pressure 2 m in front of the unit and 1 5 m height in free field conditions 3 Working compressor on discharge side Level SPL sound pressure level PWLsound power level Tab 7e A W versions and Displacement configuration MODEL 528 or Octave band frequency Hz Sound Level 31 5 63 125 250 500 1000 2000 4000 8000 dB A 1 SPL 59 1 59 1 61 8 552 525 53 2 47 4 37 4 306 56 6 D1EDA W 2 SPL 59 3 66 62 2 554 532 547 50 1 46 9 38 5 58 4 ei PWL 66 7 734 732 734 70 7 672 656 683 612 74 6 1 SPL 5
16. Hot water reheat HW Heaters H1 H2 during Dehumidification mode ON OFF Functions first step HW H1 Reheating Heater second step HW H2 HW H1 Reheating Heater Tab 8e Features of hot water heating system at nominal airflow MODELS D1E D1G D2E U O A W F D H rows no 1 1 1 surface m2 0 37 0 37 0 37 indoor temp 24 C 50 R H water inlet outlet temperature 80 65 C power heating kW 7 7 8 6 9 5 water flow l s 0 125 0 14 0 15 coil side pressure drops kPa 1 1 1 total pressure drops kPa 3 3 2 indoor temp 20 C 50 R H water inlet outlet temperature 80 65 C power heating kW 8 8 9 7 10 7 water flow l s 0 14 0 159 0 174 coil side pressure drops kPa 1 1 1 total pressure drops kPa 3 4 2 MODELS D3A D3F D3G D4E D4H D5D D7L U O A W F D H rows no 1 1 1 1 1 1 1 surface m2 0 47 1 07 1 07 1 07 1 07 1 07 1 07 indoor temp 24 C 50 R H water inlet outlet temperature 80 65 C power heating kW 13 1 27 2 27 3 30 4 30 5 32 7 33 6 water flow l s 0 213 0 444 0 446 0 495 0 497 0 534 0 547 coil side pressure drops kPa 1 2 2 2 2 2 2 total pressure drops kPa 3 10 10 12 12 14 15 indoor temp 20 C 50 R H water inlet outlet temperature 80 65 C power heating kW 14 5 29 8 29 9 33 2 33 2 35 8 36 7 water flow l s 0 237 0 486 0 487 0 542 0 542 0 584 0 598 coil side pressure drops
17. DxxOW Units Wht Cooling Water Liebert HPM Digital PD 273560 01 02 2011 2 5 Model Configuration Version F Freecooler units Freecooling mode The Freecoolerunit cools the air flow by means of the air refrigerant coil 5 in direct expansion rows direct expansion mode or as an alternative the air water coil 5 in freecooling rows freecooling mode Whenever the outdoor temperature is at least 5 degrees below the indoor return temperature the water flow is cooled by an external Dry Cooler 10 and passes through the coil 5 When the external temperature is higher than ZET Zero Energy Temperature the water exchanges heat with the refrigerant in the water cooled plate condenser 2 When the external temperature is below ZET the water is cooled as much as to cool the room air directly in the air water coil 5 freecooling rows Refrigeration circuit The compressor pumps the hot gaseous refrigerant into a water cooled condenser 2 The liquefied refrigerant arrives to a liquid receiver 3 that ensures a constant and even refrigerant flow to the thermostatic expansion valve 4 and then arrives to the direct expansion rows of the evaporator 5 Here the refrigerant thanks to the heat exchanged with the room air moved by the fan 6 evaporates and returns to the compressor 1 from this the refrigerant begins a new refrigeration cycle Shut off valves are provided as standard to assist with rout
18. F 1 1 2 GAS F D3E OFC D H 1 1 4 GAS F 1 1 4 GAS F Dap OFC D H Water outlet from Dualfluid 1 1 2 GAS F 1 1 2 GAS F Dxx cD Condensate drain ID 20 mm Dxx HF Humidifier feed opt 1 2 GAS M Dxx HD Humidifier drain opt ID 22 mm Dxx EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab 12c on page 12 10 12 7 Liebert HPM Digital PD 273560 01 02 2011 Dimensional Data Connections Fig 12 0 Refrigerant water and electrical connections Liebert HPM D3F D4H D7L doublecircuit plan view 0 1750 L 1285 1505 1710 850 CD 705 t no 5 holes O 48 OWC2 IWC2 OG2 IL2 330 HE IWC1 330 300 280 O IHW IL 293 HD 190 Bees 6 owct 1 HW gt 180 150 OG1 l 150 EC OFC F IFC p OFC pyplFCpsHa 70 T Oe ki o 70 800 870 1345 1435 0 100 180 1375 1465 1565 1655 1750 Precut holes eech UNIT FRONT Model it C S Version odels Unit Connection W D D34 42 50 66 IN Refrigerant liquid line inlet 1 OD 16 mm OD 16 mm D3F 4H 5D 7L IL2 Refrigerant liquid line inlet 2 OD 16 mm OD 16 mm D3F 4H 5D 7L OG1 Refrigerant gas line outtlet 1 OD 18 mm OD 18 m
19. For safety reason a relief valve 9 is installed on the liquid receiver 3 this valve is equipped with flanged connections so that the refrigerant may be discharged to the outside Water cooled condenser These units are provided with one very efficient stainless steel brazed plate water cooled condenser 2 The condenser is fitted with an head pressure regulating valve 8 for the automatic control of condensing pressure The units operate with mains water or closed circuit with an external Dry Cooler When operating in a closed circuit to avoid undesired ice formation in wintertime it is advisable to use water glycol mixture refer to Chap 5 for the percentages to be used at minimum ambient temperatures Dry Coolers are available as an option water glycol mixture and circulation pump s are normally supplied by others If mains water is used a mechanical filter must be fitted in the water circuit to protect the plate condenser 2 for other information see the Service Manual To reduce water and energy consumption pump it s advisable to adopt a cooling water control valve by the user able to stop water feeding when unit is off Unit microprocessor control gives a 24V contact 10VA max please refer to the relevant Wiring Diagram 58 and G terminals to drive that valve Note The water cooled Liebert HPM versions are filled with the complete charge of the requested refrigerant standard R410A
20. G NJ WATER OUTLET e WATER INLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Reheating solenoid valve optional 3 High pressure switch HP 15 Evaporator 4 Water cooled condenser 16 Low pressure switch LP 5 Liquid receiver 20 Capacity mod solenoid valve 6 Access valve 21 Shut off solenoid valve 7 Safety valve 22 Reheating coil optional 8 Filter dryer 24 Check valve for D3F D4H only 9 Sight glass 25 Condensing regulation water valve 11 Pressure transducer condensing regulation 27 Head pressure control valve 12 Check valve 28 Thermostatic expansion valve TXV Liebert HPM Digital PD 273560 01 02 2011 14 17 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 18 Liebert HPM D3F D4H D5D U O F 2 x TXV _ ONLY WITH REHEATING COIL OPTION LEFT SIDE T RIGHT SIDE EXTERNAL FOR ONLY FOR D3F D4H WATER INLET N WATER OUTLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 20 Capacity mod solenoid valve 2 Crankcase heater 21 Shut off solenoid valve 3 High pressure switch HP 22
21. HCR 99 230 1 50 130 0 32 000 57 0 2 20 10 0 10 0 28 22 W 4338 220 H 907 The nominal capacities refer to the following operative conditions e refrigerant as indicated R410A e temperature differences 15 K T condensation Toutdoor e height of the installation 0 m above the sea level For different altitudes see Hirating program e clean exchange surfaces The levels of sound pressure here included are measured in the same operative conditions and are referred to 5 m far from the unit at 1 5 m in height in free field conditions EEN Liebert HPM Digital PD 273560 01 02 2011 Heat Rejections W F H versions Coupling of water cooled units with remote Dry Coolers The water condensed units are provided with a water refrigerant exchanger with braze welded plates made of stainless steel this advanced exchanger type gives the highest efficiency in heat exchange In addition a certain oversizing of the exchanger has been provided so as to reduce pressure drops and energy consumption of the water pump as much as possible and thus to allow the unit to operate with the external chiller in closed circuit even at high outdoor temperatures The Over Under units type W H are designed for operating with mains water or water in closed circuit with an external chiller The Over Under units type F are designed for operating with water in closed circuit with a remote Dry C
22. Heater Liebert HPM Digital PD 273560 01 02 2011 Technical Specifications Hot Water Coil for heating and reheating mode and dehumidification system The hot water heating coil is made of copper pipes and aluminium fins with one row test pressure 30 bar and includes an exhaust valve A three way on off valve directly driven by the microprocessorcontroller is supplied as standard A hot water thermostat provided by the customer is installed to indicate the presence of hot water at the correct temperature When hot water heating is installed the dehumidification system can also activated and a humidity sensor and indicator provided if especially ordered see humidification and dehumidification system for the dehumidification function The hot water heating reheat system can be installed as an alternative to the hot gas reheat system Tab 8c Features of hot water reheat system at nominal airflow MODELS DIE D1G D2E U O A W F D H rows no 1 1 1 surface m2 0 37 0 37 0 37 indoor temp 24 C 50 R H water inlet outlet temperature 80 65 C condensing temperature 45 C power re heating kW 10 4 11 5 12 9 water flow l s 0 17 0 19 0 21 coil side pressure drops kPa 1 1 1 total pressure drops kPa 4 5 3 indoor temp 20 C 50 R H water inlet outlet temperature 80 65 C co
23. LO rF OF ch gt 4 Zu KJ 68 2 H DI E el Se EE b D lt lt SUPPLY LIMIT us SUPPLY LIMIT A X SUPPLY LIMIT l S 8 D CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 16 Low pressure switch LP 2 Crankcase heater 18 Pressure transducer for electronic expansion valve 3 High pressure switch HP 20 Capacity mod solenoid valve 4 Air cooled condenser 22 Reheating coil optional 5 Liquid receiver 23 Temperature sensor for EEV 6 Access valve 24 Check valve for D3F D4H only 7 Safety valve 29 Minimum pressure switch 8 Filter dryer 30 Chilled water coil 9 Sight glass 31 Chilled water 3 way valve 10 Electronic expansion valve EEV 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 35 Safety thermostat 14 Reheating solenoid valve optional 36 Hot gas injection valve antifreeze 15 Evaporator 37 Hot gas injector 14 14 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 15 Liebert HPM D3F D4H D5D U O H 2 x EEV _ ONLY WITH REHEATING COIL OPTION LEFT SIDE RIGHT SIDE EXTERNAL FOR D3F D4h r ONLY
24. Pa 420 430 220 245 450 277 476 330 204 137 en Pressure Level dB A 464 492 500 554 558 574 560 583 587 4600 674 3 SPL Sound Pressure Level dB A 51 2 502 529 571 9552 587 553 612 599 598 Over Refrigerant total cooling capacity kW 16 1 18 1 24 0 29 7 36 8 46 1 37 1 46 5 60 1 70 0 85 5 sensible cooling capacity kW 14 7 16 8 21 8 26 9 35 1 43 2 34 9 43 8 52 3 58 4 77 7 SHR Sensible Heat Ratio 0 91 0 93 0 91 0 91 0 95 0 94 0 94 0 94 0 84 0 83 0 91 compressor power input kW 3 43 4 07 5 50 6 43 7 56 9 61 7 86 10 06 12 76 14 82 18 84 fan power input kW 0 68 0 72 1 38 1 44 2x0 65 2x0 98 2x0 65 2x0 99 2x 1 52 2x1 94 2x2 70 full power input compressor fan kW 4 11 4 79 6 88 7 87 8 86 11 57 9 16 12 04 15 80 18 70 24 24 EER Energy Efficiency Ratio com d 3 92 3 78 3 44 377 4 15 398 405 386 380 374 3 53 Condensing section W models only water inlet temperature 30 C condensation temperature 45 C mid point condenser type plate type exchanger in AISI 316 water flow Us 0 348 0 44 0 73 0 85 0 83 1 05 2x 0 45 2x 0 55 2x 0 83 2x 0 80 2x0 94 water side pressure drop kPa 16 24 52 43 22 26 22 31 42 20 20 water connections inch 3 4 F 3 4 F 3 4 F 1F 1 1 4 F 1 1 4 F 2x 3 4 F 2x 3 4 DAF Di t 1 1 4 F CHILLED WATER CONTENT Total chilled water internal volume dm3 1 52 1 52 1 52 1 73 2 89 3 76 2 89 2 58 3 46 5 79 7 9 DIMENSIONS length mm 750 750 750 1000 1750 1750 1750 175
25. 02 2011 Refrigerant EEV ALCO and Hydraulic Circuits Fig 14 3 Liebert HPM D1G D2E D3A D3G D4E U O F WATER OUTLET WATER INLET eZ ONLY FOR D1G Ls RNAL FOR D1G EXTE ONLY WITH REHEATING COIL OPTION POS DESCRIPTION POS DESCRIPTION 1 Compressor 15 Evaporator 2 Crankcase heater 16 Low pressure switch LP 3 High pressure switch HP 18 Pressure transducer for electronic expansion valve 4 Water cooled condenser 20 Capacity mod solenoid valve 5 Liquid receiver 22 Reheating coil optional 6 Access valve 23 Temperature sensor for EEV 7 Safety valve 24 Check valve 8 Filter dryer 25 Condensing regulation water valve 9 Sight glass 29 Minimum pressure switch 10 Electronic expansion valve EEV 30 Chilled water coil 11 Pressure transducer condensing regulation 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 34 Chilled water 2 way valve 14 Reheating solenoid valve optional Liebert HPM Digital PD 273560 01 02 2011 14 3 Refrigerant EEV ALCO and Hydraulic Circuits Fig 14 4 Liebert HPM D1G D2E D3A D3G D4E U O D
26. 131 Over 2 Pa unit power input kW 4 78 6 91 7 46 8 97 11 71 9 29 12 17 16 58 22 64 ethylene glycol 0 0 0 0 0 0 0 0 0 SPL sound pressure level 8 Under dB A 49 5 52 0 53 1 57 2 57 7 57 3 55 9 59 1 65 0 SPL sound pressure level 4 Under dB A 49 2 51 5 52 8 56 9 57 4 57 0 55 5 58 7 64 8 SPL sound pressure level 8 Over dB A 51 0 51 8 52 8 54 9 57 3 54 5 57 9 60 8 SPL sound pressure level 4 Over dB A 50 3 50 3 51 2 53 2 55 6 53 7 55 9 59 0 MECHANICAL COOLING PERFORMANCE Refrigerant R410A total cooling capacity kW 17 9 22 0 23 2 35 1 44 2 34 9 43 3 57 1 81 0 sensible cooling capacity kW 16 1 19 7 21 9 32 5 40 3 32 2 39 9 48 7 70 8 SHR sensible total ratio 0 90 0 90 0 94 0 93 0 91 0 92 0 92 0 85 0 87 compressor absorbed power kW 4 07 5 46 5 49 7 55 9 59 7 87 10 03 12 74 18 78 EC fans absorbed power kW 0 71 1 45 1 97 2x0 71 2x 1 06 2x 071 2x1 07 2x 1 92 2x 1 93 EER Energy Efficiency Ratio compr 3 74 3 18 3 11 3 91 3 77 3 76 3 56 3 44 3 58 and EC fan water inlet temperature C 30 30 30 30 30 30 30 30 30 water flow Vs 0 47 0 62 0 57 0 80 1 15 2x 0 43 2x 0 62 2x0 80 2x0 95 water condenser pressure drop kPa 19 17 16 12 15 13 26 30 10 unit total pressure drop kPa 26 22 20 20 15 19 38 38 10 CHILLED WATER PERFORMANCE total cooling capacity kW 12 2 18 2 31 8 45 0 56 3 44 8 56 8 62 5 83 7 sensible cooling capacity kW 12 2 17 7 27 2 37 8 46 1 37 6 46 6 51 9 72 3 SHR sensible total ratio 1 00 0 97 0 86 0 84 0 82 0 84 0 82 0 83 0 86
27. 16 5 16 5 compressor LRA A 52 64 101 101 EVAPORATING COIL Quantity no 1 1 1 1 pipes fins Copper treated alluminium fin pitch rows mm no 1 8 3 1 8 3 1 8 5 1 8 5 front surface m2 0 65 0 65 0 65 0 65 4 Fan OA is for standard unit operating at the standard pressure drop Under 20 Pa Over 50 Pa 5 Condensing temperature 45 C mid point Options further information Chap 8 MODEL DiED D1GD D2ED D3AD power supply voltage V 10 V Ph Hz 400 3 50 Electrical heating FLA total power steps A 8 6 8 6 8 6 kW no 5 85 3 5 85 3 5 85 3 11 0 7 5 1 Re heating mode Hot gas coil heating capacity 24 C 50 R H 45 C condens temp Hot water coil heating capacity 24 C 50 R H 45 C condens temper ature 80 65 C water temp kW 9 3 10 5 14 9 8 10 8 12 7 kW Heating mode Hot water coil heating capacity 24 C 50 R H 80 65 C water temp kW 7 1 8 0 9 0 Liebert HPM Digital PD 273560 01 02 2011 Technical Data Tab 4c Freecooling digital direct expansion unit Dxx U O F series MODEL D1GxF D2ExF D3AxF D3GxF D4ExF D3FxF D4HxF D5DxF D8FUF power supply voltage V 10 V Ph Hz 400 3 50 Refrigerant circuit single single single single single double double double double PERFORMANCE 1 airflow m h 4685 5460 7080 9540 11230 9490 11370 12910 19010 external static pressure Under ESP Pa 2
28. 559 51 9 492 458 424 36 3 26 5 51 4 D2EOA W 2 SPL 565 574 572 535 505 476 43 5 37 7 282 52 9 3 PWL 74 5 75 4 79 9 83 6 75 6 75 3 725 68 1 65 7 80 8 1 SPL 58 4 58 4 57 9 57 7 56 1 49 9 45 7 38 1 28 9 56 5 D3AOA W 2 SPL 60 6 598 579 57 7 561 51 1 47 42 35 6 57 1 3 PWL 688 684 773 80 7 730 722 70 1 675 67 6 78 4 1 SPL 47 3 47 0 50 6 52 1 53 6 51 0 45 0 36 1 29 9 54 9 D3FOA W 2 SPL 58 8 58 0 54 6 53 9 53 6 51 0 45 2 40 2 33 8 55 3 3 PWL 80 7 80 2 83 1 78 8 70 8 66 2 65 4 58 9 50 9 75 0 1 SPL 46 8 46 5 50 1 51 6 53 1 505 445 356 29 4 54 4 D3GOA W 2 SPL 59 2 58 4 55 0 54 3 53 5 50 5 45 6 40 6 34 2 55 2 3 PWL 80 1 79 6 82 5 78 2 69 9 65 3 64 5 58 3 50 3 74 2 1 SPL 50 3 50 0 53 6 555 56 6 54 0 48 0 39 1 32 9 57 9 D4EOA W 2 SPL 627 61 9 585 57 8 57 0 540 49 1 44 1 37 7 58 7 3 PWL 83 6 83 1 86 81 7 73 4 688 68 61 8 53 8 77 7 1 SPL 63 5 58 4 62 4 58 0 56 8 55 5 50 0 43 5 39 4 59 5 D4HOA W 2 SPL 63 5 59 1 62 4 58 0 60 3 56 8 50 5 43 5 39 4 61 2 3 PWL 71 6 71 6 80 5 83 9 78 5 75 5 73 3 68 6 65 9 81 7 1 SPL 615 564 604 56 0 548 535 480 41 5 37 4 57 5 D5DOA W 2 SPL 61 5 57 9 60 4 56 0 59 1 55 6 49 3 41 5 37 4 59 9 3 PWL 70 1 70 1 79 824 768 73 9 71 8 67 1 64 4 80 1 1 SPL 62 2 57 1 61 1 56 7 555 542 487 422 38 1 58 2 D7LOA W 2 SPL 62 2 57 7 61 1 56 7 58 9 55 4 49 1 42 2 38 1 59 8 3 PWL
29. 59 0 MECHANICAL COOLING PERFORMANCE 1 Refrigerant R410A total cooling capacity kW 17 9 22 0 22 6 35 1 44 2 34 9 43 4 57 1 81 0 sensible cooling capacity kW 16 1 19 7 22 3 32 5 40 4 32 2 39 9 48 7 70 9 SHR sensible total ratio 0 90 0 90 0 99 0 93 0 91 0 92 0 92 0 85 0 88 compressor absorbed power kW 4 07 5 46 5 48 7 55 9 59 7 87 10 3 12 74 18 78 EC fans absorbed power kW 0 71 1 45 1 97 2x0 71 2x1 06 2x0 71 2x1 07 2x 1 91 2x 1 93 EER Energy Efficiency Ratio 3 74 3 18 3 03 3 91 3 77 3 76 3 57 3 44 3 58 compr and EC fan CHILLED WATER PERFORMANCE 1 total cooling capacity kW 8 5 12 5 31 8 45 0 56 3 44 8 56 8 62 5 83 7 sensible cooling capacity kW 8 5 12 5 27 2 37 8 46 1 37 6 46 6 51 9 72 3 SHR sensible total ratio 1 00 1 0 86 0 84 0 82 0 84 0 82 0 83 0 86 water flow Vs 0 40 0 60 1 52 2 14 2 69 2 14 2 71 2 98 3 99 unit total pressure drop kPa 34 54 121 106 132 105 135 160 61 CHILLED WATER CONTENT Total chilled water internal volume dm 8 5 11 2 19 2 33 6 41 0 33 6 41 0 41 0 85 0 DIMENSIONS length mm 750 750 1000 1750 1750 1750 1750 1750 2550 depth mm 750 750 850 850 850 850 850 850 890 height mm 1950 1950 1950 1950 1950 1950 1950 1950 1950 footprint m2 0 56 0 56 0 85 1 49 1 49 1 49 1 49 1 49 2 27 WEIGHTS net kg 290 320 510 720 715 725 745 755 1115 gross std packing see Fig 12 kg 300 330 520 730 725 735 755 765 1125 1 ON THE FOLLOWING STANDARD CONDITIONS Room conditions 24 C bs 50 R H 17 C wb Condensing temperature 4
30. 670 D8F 925 950 1140 1115 1140 Liebert HPM Digital PD 273560 01 02 2011 Fig 12 e Accessories and options diagram Silencing cartridges High efficiency filters AS RAR Cb EEE eN E Plenum with frontal airflow Over Horizontal input output grille OR Extension hood Base frame A supply plenum with horizontal air flow can be installed on top of the unit The 600 mm high plenum has the same design as the unit it consists of sandwich panels lined with non flammable insulation material of class 0 ISO 1182 2 density 30 see Fig 12 b kg m3 It is equipped with a double deflection grille A single deflection double fin grille can be supplied Fig 12 f 12 2 Dimensional Data Connections 12 3 Base modules Over A 200 mm high basemodule can be supplied on request to support Fig 12 9 Liebert HPM Over units and at the same time allow pipework to enter the base of the unit when a raised floor is not installed Some 300 or 500 mm base modules with air filter G4 or F5 efficiency can be supplied on request to support Liebert HPM Over units with bottom or rear air intake Note that in this case the air conditioning unit must be ordered with a blind front panel Intake and delivery hoods I V
31. 71 1 71 1 80 0 83 4 77 5 749 728 68 1 65 4 81 0 7 4 Liebert HPM Digital PD 273560 01 02 2011 Sound Pressure Level Tab 7d F D H versions Over configuration MODEL Mode Level Octave band frequency Hz Sound Level 31 5 63 125 250 500 1000 2000 4000 8000 dB A 1 SPL 50 7 50 7 549 503 49 2 442 404 338 241 50 3 D1GOF D H 2 SPL 565 53 9 555 511 49 7 45 2 41 0 347 25 2 51 0 3 PWL 73 9 T E 76 0 76 6 73 1 70 3 67 1 63 3 59 0 75 8 1 SPL 525 525 567 527 50 0 46 6 43 2 37 1 27 3 52 2 D2EOF D H 2 SPL 57 0 58 0 580 542 513 48 4 443 384 289 53 7 ei PWL 744 75 4 80 1 83 7 75 8 75 5 727 68 2 65 8 81 0 1 SPL 54 6 54 6 54 1 53 9 523 46 1 41 9 343 254 52 7 D3AOF D H 2 SPL 58 5 57 7 54 3 53 9 52 8 49 0 44 9 39 9 33 5 54 3 3 PWL 68 1 67 3 73 5 76 9 69 3 70 9 68 9 66 8 66 9 76 4 1 SPL 48 1 47 8 51 4 529 544 51 8 45 8 36 9 307 55 7 D3FOF D H 2 SPL 60 5 59 7 56 3 55 6 54 8 51 8 46 9 41 9 35 5 56 5 ei PWL 83 1 826 85 5 81 2 716 670 664 61 3 533 76 7 1 SPL 475 472 50 8 523 53 8 51 2 452 363 30 1 55 1 D3GOF D H 2 SPL 61 1 60 3 56 9 56 2 55 4 51 6 47 5 42 5 36 1 56 8 3 PWL 83 0 825 854 81 1 71 0 660 663 612 532 76 5 1 SPL 49 1 48 8 52 4 53 9 55 4 528 46 8
32. 8 Filter dryer 25 On off pressure switch hot gas injection valve 9 Sight glass 26 High pressure transducer HP 11 Pressure transducer condensing regulation 28 Thermostatic expansion valve EEV 12 Check valve 29 Condensing regulation water valve 13 Shut off valve 14 22 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 23 Liebert HPM D8F U O F 2xEEV rf REAR SIDE E E Tra ONLY WITH REHEATING COIL OPTION FRONT SIDE eee N STANDARD COMPRESSOR E OA 7 WATER INLET WATER OUTLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 18 Pressure transducer for electronic expansion valve 2 Crankcase heater 22 Reheating coil optional 3 High pressure switch HP 23 Temperature sensor for EEV 4 Water cooled condenser 26 High pressure transducer HP 5 Liquid receiver 27 Head pressure control valve 6 Access valve 28 Thermostatic expansion valve EEV 7 Safety valve 29 Condensing regulation water valve 8 Filter dryer 30 Chilled water coil 9 Sight glass 31 Chilled water 2 way valve 11 Pressure transducer cond
33. EST125 128 9 63000 50 400 3 50 3 6 00 5276 1620 1650 EST175 168 1 84000 51 400 3 50 4 8 00 6826 1620 1650 EST220 217 6 118800 53 400 3 50 6 12 00 5576 2340 1650 EST270 265 4 109200 53 400 3 50 6 12 00 5576 2340 1650 EST330 327 2 151600 54 400 3 50 8 16 00 7226 2340 1650 EST400 414 1 189500 54 400 3 50 10 20 00 8876 2340 1650 Performances Electric data Overall dimensions ue Duty a Airflow Gre Supply sag ae absorbed Width Depth Height b kW m3 h db A V ph Hz n kW mm mm mm ELM008 6 8 5200 40 230 1 50 1 0 29 1336 820 1030 ELM011 10 3 4700 40 230 1 50 1 0 29 1336 820 1030 ELM015 13 9 10400 43 230 1 50 2 0 58 2236 820 1030 ELM018 17 9 9800 43 230 1 50 2 0 58 2236 820 1030 ELM027 27 0 14700 44 230 1 50 3 0 87 3136 820 1030 ELT040 36 9 15400 43 400 3 50 2 0 96 2866 1250 1070 ELT047 44 5 21000 44 400 3 50 3 0 99 4066 1250 1070 ELT055 55 7 23100 45 400 3 50 3 1 44 4066 1250 1070 ELT065 65 6 32000 46 400 3 50 4 1 92 5266 1250 1070 ELT085 80 8 28800 46 400 3 50 4 1 92 5266 1250 1070 ELT100 96 7 40800 41 400 3 50 3 2 49 5276 1620 1650 ELT130 128 7 62800 44 400 3 50 4 4 92 3926 2340 1650 ELT160 158 2 65200 44 400 3 50 4 4 92 6826 1620 1650 ELT210 212 3 89100 46 400 3 50 6 7 38 5576 2340 1650 ELT270 277 5 118800 47 400 3 50 8 9 84 7226 2340 1650 ELT350 351 0 148500 47 400 3 50 10 12 30 8876 2340 1650 a at the following operative conditions outdoor temperature 35 C inlet outlet water temperature 45 C 40 C fluid is pure water sIm zero m
34. T ZTT e REAR SIDE ES er e vg ONLY WITH REHEATING FRONT SIDE Bea K D V K 6 el ei XN arr O DIGITAL COMPRESSOR J N STANDARD COMPRESSOR 8 LI Eet go l G S Bam z 3 K g D z lt RK o 2 ZZ 3 3 Q e o o V V SUPPLY LIMIT SUPPLY LIMIT OX SUPPLY LIMIT 4 3 De oQ CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 16 Low pressure switch LP 2 Crankcase heater 21 Shut off solenoid valve 3 High pressure switch HP 22 Reheating coil optional 4 Air cooled condenser 26 High pressure transducer HP 5 Liquid receiver 28 Thermostatic expansion valve TXV 6 Access valve 30 Chilled water coil 7 Safety valve 31 Chilled water 3 way valve 8 Filter dryer 32 Inlet water thermostat 9 Sight glass 33 Manual bleed valve 12 Check valve 35 Safety thermostat 13 Shut off valve 36 Hot gas injection valve 14 Hot gas solenoid valve optional 38 Minimun pressure switch LP 15 Evaporator Liebert HPM Digital PD 273560 01 02 2011 14 29 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 30 Liebert HPM D8F U O H 2xTXV ONLY WITH REHEATING
35. can be used as general guide Tab 9a Comparison between air filter tests EN 779 Average Arrestance Average Dust Spot Efficiency Minimum Efficiency Eurovent 4 9 ASHRAE Standard 52 1 1992 ASHRAE Standard 52 1 1992 Reporting Value EN 1882 Greaterthen or equal to less than greater than or equal to llessthan ASHRAE 52 2 1999 EU1 Gi 60 65 20 1 4 EU2 G2 65 80 20 4 EU3 G3 80 90 20 5 EU4 G4 90 95 20 30 6 7 8 EU5 F5 95 98 40 60 8 9 10 EU6 F6 99 60 80 10 11 12 13 EU7 F7 99 80 90 13 14 EU8 F8 99 90 95 14 15 EU9 F9 99 95 15 Achieved filtering performance in accordance to gravimetric test method on a specific sample of dust Achieved filtering performance in accordance to a light transmission test methods with natural atmospheric dust 9 1 Liebert HPM Digital PD 273560 01 02 2011 Filter sectio Tab 9b Approximate efficiency versus particle size for typical air filters CITT LTH ar Sg VV Ye TT 100 s gt 60 o z w o it 40 DI 90 95 EFFICIENCY 80 85 EFFICIENCY 60 65 EFFICIENCY Si Q 35 45 EFFICIENCY n EK LT V aN 25 30 EFFICIENCY 70 80 ARRESTANCE Curves are approximation for general guidance only Efficiency and arrestance per ASHRAE Sid 52 1 test method From ASHRAE Handbook HVAC Systems and Equipment PARTICLE SIZE MICROMETRES Tab 9c Additional pressure drop Filters F5 D1E D1G D2E U O D3A O F5
36. fan 6 evaporates and returns to the compressor 1 from this the refrigerant begins a new refrigeration cycle To maintain the correct refrigerant discharge pressure the speed of the motor fan 8 is controlled on off or proportional mode Shut off valves are provided as standard to assist with routine maintenance The compressor 1 has a built in non return valve to avoid return of liquid refrigerant from the condenser in summertime thus protecting the compressor from undesired refrigerant slugging during the start up A second non return valve 7 is recommended to avoid in wintertime refrigerant migration from the liquid pipes and the receiver 3 to the condenser 2 that should be responsible of low pressure intervention at the start up of compressor For safety reason a relief valve 9 is installed on the liquid receiver 3 this valve is equipped with flanged connections so that the refrigerant may be discharged to the outside External air cooled condenser 2 The units may be connected with a wide range of our condensers in standard or low noise version For technical data and performance refer to the relevant technical documentation Chap 5 gives the recommended matching condenser for Liebert HPM units as a function of outdoor air temperature Note 1 Units and external condensers are supplied separately Note 2 The room unit refrigeration circuit is pressurised with helium at 3 bar and the conden
37. free field with only fan in operation Liebert HPM Digital PD 273560 01 02 2011 Technical Data Follows Tab 4c MODEL D1GxF D2ExF D3AxF D3GxF D4ExF D3FxF D4HxF D5DxF D8FUF power supply voltage V 10 V Ph Hz 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 FAN 5 type centrifugal with backward blades quantity no 1 1 1 2 2 2 2 2 2 speed RPM 990 1200 1339 1003 989 1129 989 1200 1200 1079 poles no 4 fan OA A 1 15 2 17 3 17 2x 1 16 2x 1 73 2x 1 15 2x 2 20 2x 3 08 2x 2 98 fan FLA A 4 0 4 0 4 0 2x 4 0 2x 4 0 2x 4 0 2x 4 0 2x 4 0 2x 5 0 fan LRA A 0 1 0 1 0 1 2x 0 1 2x 0 1 2x 0 1 2x 0 1 2x 0 1 2x 0 10 COMPRESSOR quantity type 1 Digital Scroll 2 1 Digital Scroll 1 fixed capacity Compressor rated power Hp 5 1 7 8 7 8 7 55 9 59 2x 3 9 2x 5 0 2x 6 37 2x 9 39 compressor OA R410A A 8 69 10 48 10 50 14 15 18 20 14 27 18 63 24 78 35 47 compressor FLA A 12 8 16 5 16 5 22 0 27 0 2x12 8 2x16 5 2x23 0 2x31 0 compressor LRA A 64 101 0 101 0 125 140 2x64 2x101 0 2x86 2x140 EVAPORATING COIL quantity position no 1 inclined pipes fins Copper treated alluminium fin pitch rows no 2 1 4 2 1 5 2 1 5 2 1 4 2 1 5 2 1 4 2 1 5 2 1 5 1 8 5 front surface m2 0 56 1 51 1 51 1 51 1 51 1 51 2 1 CHILLED WATER COIL quantity position 1 inclined pipes fins Copper treated alluminium fin pitch rows no 2 1 3 2 1 4 2 1 6 2 1 5 2 1 6 2 1 5 2 1 6 2 1 6 1 875 front surface m2 0 5
38. further they are equipped with motors able to operate within a wide range of outdoor working temperatures Protection degree IP 54 Single phase fans feature an electric condenser incorporatedin the terminal board Heat exchanger with oval geometry tubes ensuring the best air flow and thus an increase in the efficiency of the heat exchange for a lower emitted noise level Tubes are in copper and fins in aluminum with wide heat exchange surface Upon request optional the unit can be ordered with fins in epoxy coated aluminum with a better protection The coil manifolds are in copper with flanged connections in AISI 304 stainless steel for the models with three phase power supply and male gas threaded connections for the single phase models the power supply is 230 V single phase 50 Hz in the ESM models standard noise level and ELM models low noise level 400 V three phase 50 Hz in the EST models standard noise level and ELT models low noise level Electrical boxes and accessories are water proof IP55 The frame is made up of a sturdy structure in galvanized steel totally painted The units are equipped with protection electric board Q with main disconnector and safety device for fan motors The most important technical data are gathered in Tab 5i Tests on thermal performance have been carried out at IMQ laboratories according to the norm UNI EN 1048 2000 at the following special operating conditions Air
39. kPa 1 2 2 2 2 2 3 total pressure drops kPa 3 12 12 14 14 16 18 VAWIFIDM DaF rows no 1 surface m2 1 29 indoor temp 24 C 50 R H water inlet outlet temperature 80 65 C power heating kW 25 4 water flow l s 0 415 coil side pressure drops kPa 3 total pressure drops kPa 6 indoor temp 20 C 50 R H water inlet outlet temperature 80 65 C power heating kW 27 7 water flow l s 0 451 coil side pressure drops kPa 4 total pressure drops kPa 7 Liebert HPM Digital PD 273560 01 02 2011 Technical Specifications Water cooled Condenser DX W F H units see Chap 5 Electric board The electric board is housed in the front part in a space insulated against the air flow and protected by a cover so as to avoid tampering by non authorized personnel and to protect the electric board parts supplied with a voltage higher than 24 V The electric board complies with the norm 204 1 IEC The air conditioners have been provided for operating at 400 V 3 50 Hz N G Magnetothermal switches are supplied as protection of every electric component A single phase transformer has been provided for supplying power to the secondary circuit at 24 V A main switch with door locking handle is installed to prevent it from being removed when the switch is in the operating position There will be an automatic start up after a possible stop due to power supply lack Additional terminals for remote start up and carry of some o
40. pressed cardboard 2 3 4 polystyrene 5 panels in cardboard 6 polystyrene 7 and flexible polythene film 8 Tab 12b Packing depth A MODELS Dimensions mm A B D1E D1G D2E 830 830 D3A 930 1080 D3F D3G D4E D4H D5D D7L 930 1830 D8F 970 2630 Special packing options Special packing for sea transport consisting of a wooden box or crate can be supplied on request Liebert HPM Digital PD 273560 01 02 2011 12 4 Dimensional Data Connections Refrigerant water and electrical connections Liebert HPM D1E D2E plan view Fig 12 1 Q no 4 holes O 48 220 K IHW over IFC St t i IO EC CD HF HD oHW OFC sy over ot i COCDEDE wet Jk N J OWC 7 IWC OHW IHW 2 8 under under o 8 Q y 70 455 455 455 350 50 115 L 750 UNIT FRONT f Version Unit Connection A w B H F IL Refrigerant liquid line inlet OD 16 mm OD 16 mm OG Refrigerant gas line outlet OD 18 mm OD 18 mm IWC Water to condenser inlet 3 4 GAS F 3 4 GAS F owc Water from condenser outlet 3 4 GAS F 3 4 GAS F IHW Hot water inlet opt OD 18 mm OHW Hot water outlet opt OD 18 mm IFC Water inlet to Freecooling Dualfluid coil 1 GAS F 1 GAS F 1 GAS F OFC Water outlet from Freecooling Dualfluid coil 1 GAS F 1 GAS F 1 GAS F cD C
41. set to produce about 70 of the maximum value see iCom manual Liebert HPM Digital PD 273560 01 02 2011 11 1 1 2 Dimensional Data Connections Fig 12 a Overall dimensions Fig 12 b Overall dimensions Fig 12 c Overall dimensions Service Area D3F D3G D4E D4H D5D D7L Service Area Service Area D1E D1G D2E D3A ST R A m K w d S Plenum D 4 R h Base module Q R 8 N 4 Fig 12 d Overall dimensions 1950 Service Area D8F m H B AVAILABLE PLENUM HEIGHTS mm Models A mm Plenum for Plenum for high Plenum with frontal Plenum simple silencing cartridges efficiency filters airflow OVER only D1E D1G D2E 750 D3A 850 500 600 700 800 Gnas 500 600 700 3 900 1000 100 1200 600 900 1200 800 900 600 D3F D3G D4E D4H D5D D7L 850 600 700 800 D8F 890 900 1000 100 1200 600 900 1200 600 700 800 900 12 1 Liebert HPM Digital PD 273560 01 02 2011 Dimensional Data Connections WEIGHTS kg MODELS Versions A w F D H K A K W D1E 240 247 247 254 D1G 250 260 290 280 290 260 270 D2E 270 280 320 310 320 280 290 D3A 415 425 510 500 510 425 435 D3F 580 590 725 715 725 D3G 570 580 720 710 720 D4E 585 600 730 715 730 D4H 585 600 745 730 745 D5D 625 650 770 745 770 D7L 645
42. to friction of the air z It is possible to install one or two rows of cartridges in the supply bi al hood by inserting them through the top one single row for gt 600 mm height hood two rows for a hood height 1200 mm Despite a small additional pressure drop these cartridges provide a remarkable sound power level reduction see tab 7d Tab 7f Features of silencing cartridges Dimensions Free Section Cartridge Number Models mm mm 1 row 2 rows DIE D2E 500 x 195 x 500 400 x 100 4 8 D3A 500 x 195 x 500 400 x 100 5 10 D3F D7L 500 x 195 x 500 400 x 100 11 22 D8F 500 x 195 x 500 400 x 100 16 32 Tab 7g Attenuation in dB Attenuation in dB at different frequency values Hz EE 63 125 250 500 1000 2000 4000 8000 1 1 4 7 15 26 28 27 14 2 1 6 12 27 49 53 49 23 Tab 7h Pressure drops Pressure drops Pa for each module at different air flows m s row no 0 2 0 3 0 4 0 5 0 6 1 1 2 4 7 9 2 3 6 11 18 26 lm Tab 7i Approximate variations of Sound Pressure Level Variations compared to values measured without noise reduction duct free discharge for Over units or free suction Under units Position F 2 meters from the front 1 5 meter from the ground Position D 1 meter from the front 45 from the top Unit Configuration Plenum Height cannage pows F a D 600 mm 1 4 0 dB 7 0 dB Under 1200 mm 2 5 0 dB 8 0 dB 600 mm 1 7 5 dB
43. 0 10640 11640 12640 13640 14640 m3 h Pa 400 HPM D8F ago ESP 10V 300 250 9 5V 3 200 5 S S D g 150 100 37 50 8V R KR 16300 16800 17300 17800 18300 18800 19300 19800 20300 20800 21300 m3 h Pa 550 aso D 500 10 4 HPM D1G_ AR HPM D2E g ESP 10V ESP 450 9 5V g 350 400 ov 9 5V See 300 z 8 5V 5 a e 300 250 S 250 8 aw 8 5V 200 BY 150 150 l 7V 8V SE 100 65 7 5V em Le 50 gt DY 0 0 3697 4197 4697 5197 5697 w n 6197 4310 4810 5310 5810 eo ni Liebert HPM Digital PD 273560 01 02 2011 Airflow characteristics Pa Pa 400 650 10V HPM D3A soo HPM D3F ai ESP E ESP 550 a 9 5V a 300 500 g g ov 5 9 5V g 450 R 250 400 5 ov 350 a 200 300 75V 150 85V 250 200 esu 100 eu 150 6V 55V 50 100 7 5V ep 5V o o 5250 5750 6250 6750 7250 3 7750 5640 6640 7640 8640 9640 10640 3 11640 mh mh Pa Pa 650 550 10V al e00 HPM D3G 500 TO HPM D4E 550 ESP 9 5V Z ESP 450 Si 500 g 9 5V ov 400 8 450 ou 350 400 5 350 300 8 5V 250 300 7 5V V 250 200 7 5V 200 eu 150 7V 150 5 100 100 SS 6 5V 50 50 sv 6V 45V o o 5640 6640 7640 8640 9640 1
44. 0 1750 1750 2550 depth mm 750 750 750 850 850 850 850 850 850 850 890 height mm 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 1950 footprint m2 0 56 0 56 0 56 0 85 1 49 1 49 1 49 1 49 1 49 2 27 WEIGHTS net kg 240 260 270 425 580 600 590 600 635 670 950 gross standard packing see Fig 12j i kg 250 270 280 435 590 610 600 610 645 680 965 1 ON THE FOLLOWING STANDARD CONDITIONS Room conditions 24 C bs 50 R H 17 C wb Condensing temperature 45 C mid point EER refers to the indoor unit only Air flow of the units refers to the standard configuration with G4 class filter Note Cooling capacities are gross To obtain the net cooling capacities the fan power input must be substracted 2 Max external static pressure for the indicated air flow 3 Measured in the front part at 1 5 m height 2 m distance referred to free field with fan and compressor in operation Ducted Over unit To be defined Liebert HPM Digital PD 273560 01 02 2011 4 1 Technical Data Follows Tab 4a MODEL D1E D1G D2E D3A D3G D4E D3F D4H D5D D7L D8F TON y supply voltage V pri 400 3 50 FAN 4 type centrifugal with backward blades quantity no 1 1 1 1 2 2 2 2 2 2 2 poles no 4 4 4 4 4 4 4 4 4 4 4 fan FLA EC fan A 4 0 4 0 4 0 4 0 2x4 0 2x40 2x40 2x40 2x40 2x4 0 2x5 0 fan LRA EC fan A 0 1 0 1 0 1 0 1 2x 0 1 2x 0 1 2x 0 1 2x 0 1 2x 0 1 2x 0 1 2x 0 1 COMPRESSOR 5 quantity typ
45. 0 20 20 20 20 20 20 20 20 Ven external statie pressure Pa 382 195 101 407 279 414 268 136 242 external static pressure Over ESP Pa 50 50 50 50 50 50 50 50 Oe ee Pa 410 214 130 421 274 426 262 133 fan powerinput Compressor and EC kW 5 82 7 97 8 18 10 78 14 17 1149 1483 18 54 2 50 ethylene glycol 30 30 30 30 30 30 30 30 30 proposed Dry Cooler ESM018 EST028 EST028 EST028 EST040 EST028 EST040 ESTO60 EST080 SPL sound pressure level 8 Under dB A 49 5 52 0 53 1 57 2 57 7 57 3 54 7 57 7 65 0 SPL sound pressure level 4 Under dB A 49 2 51 5 52 8 56 9 57 4 57 0 54 3 57 3 64 8 SPL sound pressure level 8 Over dB A 51 0 53 7 54 3 56 8 58 4 56 5 57 9 60 8 SPL sound pressure level 4 Over dB A 50 3 52 5 52 7 55 1 56 7 55 7 57 1 59 0 MECHANICAL COOLING PERFORMANCE 35 0 C outdoor air temperature Refrigerant R410A total cooling capacity kW 16 0 19 9 21 7 31 8 39 4 31 5 38 5 52 1 76 2 sensible cooling capacity kW 15 3 18 8 21 3 31 1 38 2 30 7 37 8 46 4 68 8 SHR sensible total ratio 0 96 0 94 0 98 0 98 0 97 0 97 0 98 0 89 0 90 compressors absorbed power kW 5 11 6 62 6 21 9 36 12 05 9 77 12 69 15 50 21 64 EC fans absorbed power kW 0 71 1 35 1 97 2x 0 71 2x1 06 2x0 71 2x1 07 2x 1 52 2x 1 93 SE 2 75 2 50 2 65 2 85 2 78 2 82 2 38 2 81 2 99 mixture flow Vs 0 58 0 69 1 01 1 26 1 60 2x0 65 2x 0 78 2x 0 97 2x 1 81 mixture condenser pressure drop kPa 35 47 55 33 32 34 47 51 37 Unit total pressure drop kPa 46 53 69 54 66 48 67 64 80 FREECOOLING PERFOR
46. 0 4000 8000 dB A 1 SPL 42 5 42 5 48 5 55 6 45 2 39 5 36 9 30 4 23 8 49 3 D1GUF D H 2 SPL 43 2 43 2 49 3 55 7 45 8 39 6 37 0 32 5 25 1 49 5 3 PWL 66 5 66 5 72 9 72 6 69 9 65 1 62 3 60 2 53 9 71 7 1 SPL 47 2 47 2 56 7 54 5 47 3 45 2 42 9 36 1 33 51 5 D2EUF D H 2 SPL 48 0 48 0 57 1 54 7 48 5 45 3 43 0 38 2 33 6 52 0 3 PWL 68 7 68 7 76 2 79 4 72 7 69 8 67 7 65 59 8 76 4 1 SPL 51 2 51 2 49 8 53 7 49 8 46 8 45 8 38 5 36 2 52 8 D3AUF D H 2 SPL 57 0 57 0 50 4 54 9 50 46 8 45 8 38 5 37 0 53 1 3 PWL 72 3 72 3 75 0 79 0 70 5 68 7 66 6 61 9 58 6 75 2 1 SPL 52 1 52 1 55 0 60 9 52 8 50 9 48 0 42 7 35 2 57 0 D3FUF D H 2 SPL 58 0 58 0 55 3 61 4 53 0 50 9 48 1 42 9 35 7 57 3 3 PWL 53 0 53 8 67 9 72 8 66 8 70 5 69 6 64 8 59 5 75 2 1 SPL 52 0 52 0 54 9 60 8 52 7 50 8 47 9 42 6 35 1 56 9 D3GUF D H 2 SPL 57 9 57 9 55 2 61 3 52 9 50 8 48 0 42 8 35 6 57 2 3 PWL 53 1 53 9 68 0 72 9 66 9 70 6 69 7 64 9 59 6 75 3 1 SPL 52 5 52 5 55 4 61 3 53 2 51 3 48 4 43 1 35 6 57 4 D4EUF D H 2 SPL 58 4 58 4 55 7 61 8 53 4 51 3 48 5 43 3 36 1 57 7 3 PWL 53 6 54 4 68 5 73 4 67 4 71 1 70 2 65 4 60 1 75 8 1 SPL 50 0 50 0 53 0 53 4 51 4 50 3 45 5 38 9 32 2 54 3 D4HUF D H 2 SPL 61 7 61 7 54 4 53 9 51 7 50 6 45 8 39 2 32 5 54 7 3 PWL 78 9 78 9 76 5 79 0 71 1 69 3 67 2 62 5 58 8 75 6 1 SPL 54 4 54 4 57 4 57 8 55 8 54 7 49 9 43 3 36 6 58 7 D5DUF D H 2 SPL 66 1 66 1 58 8 58 3 56 1 55 0 50 2 43 6 36 9 59 1 3 PWL 84 1 84 1 81 7 84 2 76 3 74 5 72 4 67 7
47. 0 4810 5310 5810 6310 m3 h Kei EE 259 675 7250 Te mn Pa Pa 650 650 10V 10V 600 gen gel SC HPM D3G 5 550 85 s ig ESP E 500 o S 500 ou H 3 5 450 450 e eg 8 5V 400 ev lav 350 350 7 5V 75v 300 300 V V 250 250 200 GM 200 6 5V 150 sv 150 8 5 5V 5 5V 100 100 b 7 PJ 50 Fs 50 CRT K g 5640 6640 7640 8640 9640 10640 m3 h 5640 6640 7640 8640 9640 10640 m3 h Liebert HPM Digital PD 273560 01 02 2011 Airflow characteristics Pa Pa 550 J 550 101 BS HPM D4E sel ESP HPM D4H 450 e 450 Q5V g ESP 23 a 400 ou 8 400 2 S g 350 350 Ss Seu 300 300 av 8v 250 250 7 5V 200 F LSV 200 7V 7 150 150 joo EX85V 100 EEY ev 6v 50 50 D soy eel o 0 7640 8640 9640 10640 11640 12640 13640 14640 m3 h 7640 8640 9640 10640 11640 12640 13640 14640 m3h Pa Pa 550 550 10V 10V HPM D7L 500 HPM D5D 500 9 5V ESP ESP 450 450 5 av 400 400 gy 350 Bs 350 8 5V 300 300 S 8V 250 2 250 2 7 5V a e 200 NN 200 75V 3 7V E 150 150 d 6 5V 100 100 Bay so FV Ei ev 5 5V ON ESN o 0 7640 8640 9640 10640 11640 12640 13640 14640 m3 h 7640 8640 964
48. 0640 11640 7640 8640 9640 10640 11640 12640 13640 3 14640 Pa Pa 550 500 10V 10V 500 450 S HPM D4H HPM Dep St ESP too Desy ESP ov 400 a 350 350 8 5V 7 300 300 5 2 Sr 250 B 250 8V P 75V 200 200 75 N 150 150 v 5V 100 a 100 6v DEA 50 50 5 5V 6v 0 o 7640 8640 9640 10640 11640 12640 13640 WE 7640 8640 9640 10640 11640 12640 13640 14640 n Pa 450 10V HPM D8F 400 ESP 3 350 k aN S 5 3 300 e ov 250 8 5V 200 180 y 100 DEN 0 16300 17300 18300 19300 20300 21300 22300 23300 m n 24300 6 3 Liebert HPM Digital PD 273560 01 02 2011 Sound Pressure Level Liebert HPM units have been designed with particular care for sound and vibration problems The complete mechanical insulation of the ventilating section combined with the special study of the aeraulic circuit as a consequence of accurate researches made in our thermodynamical laboratories and the oversizing of the components crossed by air offer the highest ventilation efficiency with the lowest sound emission Sound emission spectra All tests are performed in our laboratories under the described conditions The instrument is placed in F point at 1 5 m from the ground in front of the machine at 2 m distance Test conditions Under unit with underflow air discharge and 20 Pa available external static pressure Over unit with ducted air discharge and 50 Pa available external static pressure Standard air flow with clean G4 fil
49. 1 42 water connections inch 3 4 F 3 4 F 3 4 F 1F CHILLED WATER CONTENT Total chilled water internal volume dm3 1 52 1 52 1 52 1 73 DIMENSIONS length mm 750 750 750 1000 depth mm 750 750 750 850 height mm 1950 1950 1950 1950 footprint m2 0 56 0 56 0 56 0 85 WEIGHTS net kg 240 250 260 425 gross standard packing see Fig 12j kg 250 260 270 435 1 ON THE FOLLOWING STANDARD CONDITIONS Room conditions 24 C bs 50 R H 17 C wb Condensing temperature 45 C mid point EER refers to the indoor unit only Air flow of the units refers to the standard configuration with G4 class filter Note Cooling capacities are gross To obtain the net cooling capacities the fan power input must be substracted 2 Max external static pressure for the indicated air flow 3 Measured in the front part at 1 5 m height 2 m distance referred to free field with fan and compressor in operation To be defined Liebert HPM Digital PD 273560 01 02 2011 Technical Data Follows Tab 4b MODEL D1ED D1GD D2ED D3AD power supply voltage V 10 V Ph Hz 400 3 50 FANS 4 type centrifugal with backward blades quantity no 1 1 1 1 speed RPM 9418 917 1200 988 poles no 4 4 4 4 fan OA A 0 96 1 02 2 15 1 19 fan FLA A 4 0 4 4 4 fan LRA A 0 1 0 1 0 1 0 1 COMPRESSOR 5 quantity type 1 Digital Scroll Compressor rated power Hp 3 34 5 0 7 8 7 8 compressor OA A 5 59 7 36 10 51 16 62 compressor FLA A 9 5 11 8
50. 1 x ESTO80 1 x ELTO65 1 x EST125 1 x ELT100 The table shows the recommended combinations of the Dry Coolers Liebert HPD with the air conditioners Liebert HPM according to the external air temperature The combinations have been evaluated considering a mixture of water and ethylene glycol up to 30 as thermal exchange fluid The above indications are approximate and must be checked on the basis of other specific operating conditions For operating conditions other than those indicated in the table refer to the New Hirating calculation software and to the Dry Coolers service manual Liebert HPM Digital PD 273560 01 02 2011 Heat Rejections W F H versions Tab 5i Technical data and performance of Dry Coolers Performances Electric data Overall dimensions Total i E Duty a Airflow w Supply Number of absorbed Width Depth a kW m3 h db A V ph Hz n kW mm mm mm ESM009 10 8 7100 46 230 1 50 1 0 78 1336 820 1030 ESM013 12 8 6700 46 230 1 50 1 0 78 1336 820 1030 ESM018 16 1 15000 49 230 1 50 2 1 56 2236 820 1030 ESM022 22 0 14200 49 230 1 50 2 1 56 2236 820 1030 EST028 28 0 20000 49 400 3 50 2 1 38 2866 1250 1070 EST040 36 4 19400 49 400 3 50 2 1 38 2866 1250 1070 EST050 46 1 18400 49 400 3 50 2 1 38 2866 1250 1070 EST060 62 8 28200 51 400 3 50 3 2 07 4066 1250 1070 EST070 69 5 27600 51 400 3 50 3 2 07 4066 1250 1070 EST080 84 8 37600 52 400 3 50 4 2 76 5266 1250 1070
51. 19000 21000 23000 25000 27000 m3 h D4E D5D D3F D3G D4H D5D D7L U O external filters pressure drop a F6 9300 10300 130 mh 12300 13300 14300 Liebert HPM Digital PD 273560 01 02 2011 Microprocessor Controls iCom Control Fig 10 a EEN Liebert HPM models are controlled by iCom e iCom Medium for single circuit units Fig 10 a e iCom Large for double circuit units Fig 10 b In both versions the Main Board is housed in the electrical panel and it is connected to the remote display to be installed in the container room connection cable is included e The user interface is the 3 digit back lit Fig 10 b display showing parameter values and relevant symbols codes in a tree menu It features navigation push buttons and status leds e Both high and low priority alarms activate a visual indicator and buzzer e Input for Remote On Off and volt free contacts for simple remote monitoring of low and high priority alarms high low room temperature high low refrigerant pressure fan control failure are available e LAN management functions provided as standard include stand by in case of failure or overload of the unit in operation the second one starts automatically automatic rotation and cascade division of the load among several units through split of the proportional band e All service settings are protected through a 3 Level password system e A
52. 4E D3F D4H D5D D8F power supply voltage V 10 V Ph Hz 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 Electrical heating opt FLA total power steps A 8 6 kW no 5 85 3 22 0 15 0 2 8 6 5 85 3 11 0 7 5 1 22 0 15 0 2 22 0 15 0 2 22 0 15 0 2 22 0 15 0 2 26 18 0 3 Humidifier FLA nominal power A 9 0 kW 5 8 9 0 5 8 9 0 5 8 13 0 9 0 13 0 9 0 13 0 9 0 13 0 9 0 13 0 9 0 13 0 9 0 Re heating mode Hot gas coil R410A heating capacity 24 C 50 R H 45 C con dens temp 10 6 13 2 20 5 25 9 kW 5 2 6 4 8 4 13 5 Hot water coil DX mode R410A heating capacity 45 C con dens temp 24 C 50 R H 80 65 C water temp 12 1 13 8 34 5 34 4 kW 34 2 38 3 40 8 32 2 Heating mode Hot water coil heating capacity 24 C 50 R H 80 65 C water temp 9 1 10 0 27 4 30 2 kW 27 3 30 5 31 8 25 6 Liebert HPM Digital PD 273560 01 02 2011 Heat Rejections A D versions The units should be connected to Liebert HPA single circuit The following paragraphs describe the suggested coupling of Liebert HPM units The data given below are approximate and must always be verified on the basis of the other specific operating conditions Tab 5f Coupling of Condensers with Liebert HPM A D
53. 5 C mid point CW mode water temperature inlet outlet 7 12 C EER refers to the indoor unit only Air flow of the units refers to the standard configuration with G4 class filter Note Cooling capacities are gross To obtain the net cooling capacities the fan power input must be substracted 2 Max external static pressure for the indicated air flow 3 Measured in the front part at 1 5 m height 2 m distance referred to free field with fan and compressor in operation Ducted unit 4 Measured in the front part at 1 5 m height 2 m distance referred to free field with only fan in operation Ducted unit Liebert HPM Digital PD 273560 01 02 2011 4 7 Technical Data Tab Ae Dualfluid water cooled digital direct expansion unit Dxx U O H series MODEL DiGxH D2ExH D3AxH D3GxH D4ExH D3FxH D4HxH D5DxH D8FUH power supply voltage V 10 V Ph Hz 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 Refrigerant circuit single single single single single double double double double PERFORMANCE 1 airflow m h 4685 5460 7080 9540 11230 9490 11370 12910 19010 external static pressure Under ESP Pa 20 20 20 20 20 20 20 20 20 max available external static pressure 380 192 88 406 269 408 257 124 236 Under 2 Pa external static pressure Over ESP Pa 50 50 50 50 50 50 50 50 max available external static pressure 408 214 126 415 272 420 261
54. 5 52 3 66 4 71 3 65 3 69 2 68 2 63 3 58 0 73 8 1 SPL 50 7 50 7 53 6 59 5 51 4 49 5 46 6 41 3 33 8 55 6 D3GUA W 2 SPL 56 5 56 5 53 8 59 9 51 5 49 5 46 6 41 4 34 2 55 8 3 PWL 51 6 52 4 66 5 71 4 65 4 69 2 68 2 63 4 58 1 73 8 1 SPL 52 3 52 3 55 2 61 1 53 0 51 1 48 2 42 9 35 4 57 2 D4EUA W 2 SPL 58 1 58 1 55 4 61 5 53 1 51 1 48 2 43 0 35 8 57 4 3 PWL 53 2 54 0 68 1 73 0 67 0 70 8 69 8 65 0 59 7 75 4 1 SPL 53 8 53 8 56 8 57 2 55 2 54 1 49 3 42 7 36 0 58 1 D4HUA W 2 SPL 65 3 65 3 58 0 57 5 55 3 54 2 49 4 42 8 36 1 58 3 3 PWL 82 3 82 3 79 9 82 4 74 5 72 7 70 6 65 9 62 2 79 0 1 SPL 58 7 57 7 57 6 61 2 53 3 53 2 50 9 43 1 38 6 58 5 D5DUA W 2 SPL 58 7 S7 58 5 61 4 54 1 53 3 51 0 43 1 38 6 58 7 3 PWL 72 4 72 4 81 1 83 8 76 7 74 2 72 1 67 4 63 7 80 6 1 SPL 60 0 59 0 58 9 62 5 54 6 54 5 52 2 44 4 39 9 59 8 D7LUA W 2 SPL 60 0 59 0 59 8 62 7 55 4 54 6 52 3 44 4 39 9 60 0 3 PWL 73 7 73 7 82 4 85 1 78 0 75 5 73 4 68 7 65 0 81 9 1 SPL 66 6 66 6 73 7 70 9 63 0 61 1 57 0 49 3 39 5 67 2 D8FUA W 2 SPL 66 8 66 8 73 8 71 0 63 3 61 3 57 3 49 8 41 3 67 4 3 PWL 83 8 83 8 93 7 91 6 83 8 79 2 78 4 69 4 61 6 87 5 7 2 Liebert HPM Digital PD 273560 01 02 2011 Sound Pressure Level Tab 7b F D H versions and Under configuration MODEL Mode Level Octave band frequency Hz Sound Level 31 5 63 125 250 500 1000 200
55. 5 8 5 8 5 8 9 0 9 0 9 0 9 0 9 0 9 0 9 0 Re heating mode Hot gas coil heating capacity at 24 C 50 condensing kw 10 5 10 6 14 2 17 3 21 3 26 7 10 8 13 6 17 5 20 4 28 2 temp 45 C Hot water coil heating capacity at 24 C 50 water in out kw 10 3 11 4 12 1 16 3 34 5 38 4 34 2 38 3 40 8 43 9 32 2 80 65 C Heating mode Hot water coil heating capacity at 24 C 50 water in out kw 7 7 8 6 8 9 12 4 27 4 30 2 27 3 30 5 31 8 33 7 25 6 80 65 C 4 2 Liebert HPM Digital PD 273560 01 02 2011 Technical Data Tab 4b Displacement digital direct expansion unit DxxD A W series MODEL D1ED D1GD D2ED D3AD power supply voltage V 10 V Ph Hz 400 3 50 PERFORMANCE 1 airflow m3 h 3790 4430 5330 5780 external static pressure ESP Pa 0 0 0 0 sound pressure level 3 dB A 73 7 73 6 77 3 7 5 Refrigerant R410A total cooling capacity kW 15 9 17 7 23 6 28 8 sensible cooling capacity kW 13 9 15 8 21 4 24 1 SHR sensible total ratio 0 87 0 89 0 91 0 84 compressor absorbed power kW 3 43 4 07 5 49 6 42 fan absorbed power kW 0 60 0 64 1 34 0 73 unit absorbed power compr amp fan kW 4 03 4 71 6 83 7 15 EER in output energy compr and fan 3 96 3 76 3 46 4 63 Condensing section W model only water inlet temperature 30 C condensation temperature 45 C mid point condenser type plate type exchanger in AISI 316 water flow Vs 0 345 0 43 0 72 0 83 water side pressure drop kPa 15 23 5
56. 6 1 51 1 51 1 51 1 51 1 51 2 1 5 Fan OA is for standard unit operating at the standard pressure drop Under 20 Pa Over 50 Pa 6 Condensing temperature 45 C mid point Liebert HPM Digital PD 273560 01 02 2011 Technical Data Tab 4d Dualfluid air cooled digital direct expansion unit Dxx U O D series MODEL D1GxD D2ExD D3AxD D3GxD D4ExD D3FxD D4HxD D5DxD D8FUD power supply voltage V 10 ey 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 Refrigerant circuit single single single single single double double double double PERFORMANCE 1 airflow m3 h 4685 5460 7080 9540 11230 9490 11370 12910 19010 external static pressure Under ESP Pa 20 20 20 20 20 20 20 20 20 max available external static pres 380 193 91 406 269 408 257 124 237 sure Under 2 Pa external static pressure Over ESP Pa 50 50 50 50 50 50 50 50 max available external static pres 408 214 126 415 272 420 261 131 sure Over 2 Pa unit power input kW 4 78 6 91 7 45 8 97 11 71 9 29 12 17 12 17 22 64 ethylene glycol 0 0 0 0 0 0 0 0 0 SPL sound pressure level 3 Under dB A 49 5 52 0 53 1 57 2 57 7 57 3 55 9 59 1 65 0 SPL sound pressure level 4 Under dB A 49 2 51 5 52 8 56 9 57 4 57 0 55 5 58 7 64 8 SPL sound pressure level 3 Over dB A 51 0 51 8 52 8 54 9 57 3 54 5 57 9 60 8 SPL sound pressure level 4 Over dB A 50 3 50 3 51 2 53 2 55 6 53 7 55 9
57. 64 0 80 8 1 SPL 64 2 64 2 71 3 68 5 60 6 58 7 54 6 46 9 37 1 64 8 D8FUF D H 2 SPL 64 4 64 4 71 4 68 6 60 9 58 9 54 9 47 4 38 9 65 0 3 PWL 81 4 81 4 91 3 89 2 81 4 76 8 76 0 67 0 59 2 85 1 LEGENDA The sound levels global and for each octave band are expressed in dB with a tolerance of 0 2 dB 1 Only ventilation 20 Pa available external static pressure 2 m in front of the unit and 1 5 m height in free field conditions 2 Working compressor 20 Pa available external static pressure 2 m in front of the unit and 1 5 m height in free field conditions 3 Working compressor on discharge side Level SPL sound pressure level PWLsound power level Liebert HPM Digital PD 273560 01 02 2011 Sound Pressure Level Tab 7c A W versions Over configurations M EL Mode SEH Octave band frequency Hz Sound Level 31 5 63 125 250 500 1000 2000 4000 8000 dB A 1 SPL 506 506 548 50 2 49 1 44 1 40 3 33 7 240 50 2 D1EOA W 2 SPL 59 1 548 557 514 498 455 41 2 349 255 51 2 3 PWL 76 9 726 76 6 77 3 73 6 71 67 7 639 59 7 76 4 1 SPL 50 2 502 544 498 487 437 399 333 23 6 49 8 D1GOA W 2 SPL 56 3 53 6 55 507 49 2 448 406 342 247 50 5 3 PWL 739 712 757 764 728 70 1 66 9 63 0 587 75 5 1 SPL 51 7 51 7
58. 7 4 57 4 60 1 53 5 50 8 51 5 45 7 35 7 28 9 54 9 D1GDA W 2 SPL 57 4 64 2 60 5 53 7 51 5 53 0 48 3 45 0 36 7 56 7 3 PWL 65 1 71 9 718 720 69 3 658 641 66 7 59 7 73 1 1 SPL 609 60 9 63 6 57 0 543 55 49 2 392 324 58 4 D2EDA W 2 SPL 60 9 67 63 9 Seel 54 9 56 3 515 47 8 39 5 59 9 ei PWL 67 4 735 756 788 71 6 705 69 4 71 65 8 77 8 1 SPL 643 64 3 63 8 63 6 620 558 516 440 348 62 4 D3ADA W 2 SPL 66 6 65 8 63 8 63 6 62 0 57 1 53 0 48 0 41 6 63 0 3 PWL 756 748 832 866 789 784 764 743 744 84 6 LEGENDA The sound levels global and for each octave band are expressed in dB with a tolerance of 0 2 dB 1 Only ventilation 0 Pa available external static pressure 2 m in front of the unit and 1 5 m height in free field conditions 2 Working compressor 0 Pa available external static pressure 2 m in front of the unit and 1 5 m height in free field conditions 3 Working compressor on discharge side Level SPL sound pressure level PWLsound power level Liebert HPM Digital PD 273560 01 02 2011 Sound Pressure Level Silencing cartridges option for supply Over and suction Under These are special cartridges made of self extinguishing material i 8 i with a high noise attenuation capacity They are guaranteed against disintegration and release of particles do
59. FOR D3F D4h COOLING WATER INLET COOLING WATER OUTLET e WATER OUTLET e WATER INLET e POS DESCRIPTION POS DESCRIPTION 1 Compressor 18 Pressure transducer for electronic expansion valve 2 Crankcase heater 20 Capacity mod solenoid valve 3 High pressure switch HP 22 Reheating coil optional 4 Water cooled condenser 23 Temperature sensor for EEV 5 Liquid receiver 24 Check valve for D3F D4H only 6 Access valve 25 Condensing regulation water valve 7 Safety valve 26 High pressure transducer HP 8 Filter dryer 27 Head pressure control valve 9 Sight glass 29 Minimum pressure switch 10 Electronic expansion valve EEV 30 Chilled water coil 11 Pressure transducer condensing regulation 31 Chilled water 3 way valve 12 Check valve 32 Inlet water thermostat 13 Shut off valve 33 Manual bleed valve 14 Reheating solenoid valve optional 35 Safety thermostat 15 Evaporator 36 Hot gas injection valve antifreeze 16 Low pressure switch LP 37 Hot gas injector Liebert HPM Digital PD 273560 01 02 2011 14 15 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 16 Liebert HPM D3F D4H D5D D7L U O A 2 x TXV ONLY WITH REHEATING RIGHT SIDE I a N N COIL OPTION S Do C LEFT SIDE
60. H Precision Cooling for Business Critical Continuity Liebert HPM Digital 13 85 kW Indoor Room Cooling Units with Modulating Capacity A W F D H Versions PRODUCT DOCUMENTATION vi Liebert EMERSON Liebert HPM Digital PD 273560 01 02 2011 Introduction Liebert HPM Liebert HPM is the new serie of air conditioners developed by Emerson Network Power to allow maximum flexibility of application in technological environments from data processing centers to manned control rooms and electronic centers for telecommunication This series includes units with a rated cooling capacity ranging from 13 to 85 kW Complete environmental control and reliability are paramount to ensure faultless operation of computer rooms telecom installations data centres and technical applications Emerson Network Power products have traditionally set the industry standards But today s world requires more than just environmental control and reliability it requires increasingly higher levels of overall performances While still offering unmatched environmental control and reliability the new Liebert HPM range raises the bar of performance in Precision Air Conditioning setting new standards in terms of Energy Efficiency Compactness and Sound emissions The new Liebert HPM range is available in a number of airflow versions with upflow downflow and displacement airflow patterns across a full range of cooling modes direct expansion chil
61. IT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Hot gas solenoid valve optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Air cooled condenser 18 Pressure transducer for electronic expansion valve 5 Liquid receiver 22 Reheating coil optional 6 Access valve 23 Temperature sensor for EEV 7 Safety valve 24 Hot gas injection valve 8 Filter dryer 25 On off pressure switch hot gas injection valve 9 Sight glass 26 High pressure transducer HP 12 Check valve 28 Thermostatic expansion valve EEV 13 Shut off valve Liebert HPM Digital PD 273560 01 02 2011 14 21 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 22 Liebert HPM D8F U O W 2xEEV REAR SIDE ONLY WITH REHEATING COIL OPTION FRONT SIDE MC DIGITAL COMPRESSOR STANDARD COMPRESSOR D fie WATER OUTLET WATER INLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Hot gas solenoid valve optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 18 Pressure transducer for electronic expansion valve 5 Liquid receiver 22 Reheating coil optional 6 Access valve 23 Temperature sensor for EEV 7 Safety valve 24 Hot gas injection valve
62. ITH REHEATING COIL OPTION ONLY FOR D1G W g z 3 K oc HI HI 4 lt lt g a EXTERNAL FOR D1G 8 8 WATER OUTLET WATER INLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 15 Evaporator 2 Crankcase heater 16 Low pressure switch LP 3 High pressure switch HP 18 Pressure transducer for electronic expansion valve 4 Water cooled condenser 20 Capacity mod solenoid valve 5 Liquid receiver 22 Reheating coil optional 6 Access valve 23 Temperature sensor for EEV 7 Safety valve 24 Check valve 8 Filter dryer 25 Condensing regulation water valve 9 Sight glass 29 Minimum pressure switch 10 Electronic expansion valve EEV 30 Chilled water coil 11 Pressure transducer condensing regulation 31 Chilled water 3 way valve 12 Check valve 32 Inlet water thermostat 13 Shut off valve 33 Manual bleed valve 14 Reheating solenoid valve optional Liebert HPM Digital PD 273560 01 02 2011 14 5 Refrigerant TXV and Hydraulic Circuits Fig 14 6 Liebert HPM D1E D1G D2E D3A D3G D4E U O A ONLY WITH REHEATING CH COIL OPTION p A KO ay TA Sy V NA i
63. MANCE 5 0 C outdoor air temperature total cooling capacity kW 9 8 12 5 20 3 25 6 32 3 25 8 33 1 36 9 68 3 sensible cooling capacity kW 9 8 12 5 20 3 25 1 32 3 25 8 33 1 36 9 64 9 SHR sensible total ratio 1 00 1 00 1 00 1 00 1 00 1 00 1 00 1 00 0 95 mixture flow l s 0 58 0 69 1 01 1 36 1 60 1 30 1 56 1 94 3 61 unit total pressure drop kPa 79 83 69 47 46 50 58 86 62 dry cooler pressure drop kPa 25 17 43 53 60 56 27 10 20 CHILLED WATER CONTENT Total chilled water internal volume dm 10 4 12 7 21 1 36 8 45 1 36 2 43 6 44 5 93 0 DIMENSIONS length mm 750 750 1000 1750 1750 1750 1750 1750 2250 depth mm 750 750 850 850 850 850 850 850 890 height mm 1950 1950 1950 1950 1950 1950 1950 1950 1950 footprint m2 0 56 0 56 0 85 1 49 1 49 1 49 1 49 1 49 2 27 WEIGHTS net kg 290 320 510 720 730 725 745 755 1115 gross std packing see Fig 12j kg 300 330 520 730 740 735 755 765 1125 1 ON THE FOLLOWING STANDARD CONDITIONS Room conditions 24 C bs 50 R H 17 C wb EER refers to the indoor unit only Air flow of the units refers to the standard configuration with G4 class filter Note Cooling capacities are gross To obtain the net cooling capacities the fan power input must be substracted 2 Max external static pressure for the indicated air flow 3 Measured in the front part at 1 5 m height 2 m distance referred to free field with fan and compressor in operation 4 Measured in the front part at 1 5 m height 2 m distance referred to
64. ONLY WITH REHEATING COIL OPTION ONLY FOR D1G M im E z 3 m g lt lt i 2 2 2 EXTERNAL FOR D1G 5 8 WATER OUTLET WATER INLET POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating solenoid valve optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 20 Capacity mod solenoid valve 5 Liquid receiver 21 Shut off solenoid valve 6 Access valve 22 Reheating coil optional 7 Safety valve 24 Check valve 8 Filter dryer 25 Condensing regulation water valve 9 Sight glass 29 Minimum pressure switch 10 Thermostatic expansion valve TXV 30 Chilled water coil 11 Pressure transducer condensing regulation 31 Chilled water 3 way valve 12 Check valve 32 Inlet water thermostat 13 Shut off valve 33 Manual bleed valve 14 10 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 11 Liebert HPM D3F D4H D5D D7L U O A 2xEEV ONLY WITH REHEATING COIL OPTION LEFT SIDE RIGHT SIDE KO VA
65. Reheating coil optional 4 Water cooled condenser 24 Check valve for D3F D4H only 5 Liquid receiver 25 Condensing regulation water valve 6 Access valve 27 Head pressure control valve 7 Safety valve 28 Thermostatic expansion valve TXV 8 Filter dryer 29 Minimum pressure switch 9 Sight glass 30 Chilled water coil 11 Pressure transducer condensing regulation 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 34 Chilled water 2 way valve 14 Reheating solenoid valve optional 35 Safety thermostat 15 Evaporator 36 Hot gas injection valve antifreeze 16 Low pressure switch LP 37 Hot gas injector 14 18 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 19 Liebert HPM D3F D4H DS5D U O D 2 x TXV ONLY WITH REHEATING G RIGHT SIDE COIL OPTION LEFT SIDE w a gt lt u A EXTERNAL FOR X SEN a X XN amp LIRA O Ann Es gt lt O lt ei rs K aT ch 65 O Ks _ H gt lt a 5 Z 3 l Vi SUPPLY LIMIT Dei SUPPLY LIMIT SUPPLY LIMIT g lt z
66. al PD 273560 01 02 2011 Refrigerant TXV and Hydraulic Circuits Fig 14 9 Liebert HPM D1G D2E D3A D3G D4E U O D OY V ONLY WITH REHEATING COIL OPTION Ee X Av ee H A 2 See Mm U SS K ONLY FOR D1G m X 5 E SUPPLY LIMIT SUPPLY LIMIT S 2 E te SE EXTERNAL FOR D1G D Ne CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating solenoid valve optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Air cooled condenser 20 Capacity mod solenoid valve 5 Liquid receiver 21 Shut off solenoid valve 6 Access valve 22 Reheating coil optional 7 Safety valve 24 Check valve 8 Filter dryer 26 High pressure transducer HP 9 Sight glass 29 Minimum pressure switch 10 Thermostatic expansion valve TXV 30 Chilled water coil 11 31 Chilled water 3 way valve 12 Check valve 32 Inlet water sensor 13 Shut off valve 33 Manual bleed valve Liebert HPM Digital PD 273560 01 02 2011 14 9 Refrigerant TXV and Hydraulic Circuits Fig 14 10 Liebert HPM DiG D2E D3A D3G D4E U O H VA p AN i
67. alternative the air water coil 5 in the chilled water rows chilled water mode Refrigeration circuit The compressor 1 pumps the hot gaseous refrigerant into a water cooled condenser 2 The liquefied refrigerant arrives to a liquid receiver 3 that ensures a constant and even refrigerant flow to the thermostatic expansion valve 4 and then arrives to the evaporator 5 Here the refrigerant thanks to the heat exchanged with the room air moved by the fan 6 evaporates and returns to the compressor 1 from this the refrigerant begins a new refrigeration cycle Shut off valves are provided as standard to assist with routine maintenance The compressor 1 has a built in non return valve to avoid return of liquid refrigerant from the condenser thus protecting the compressor from undesirable refrigerant slugging during the start up The second non return valve 7 avoids refrigerant migration from the liquid pipes and the receiver 3 to the condenser 2 that should be responsible of high pressure intervention at the start up of compressor For safety reason a relief valve 9 is installed on the liquid receiver 3 this valve is equipped with flanged connections so that the refrigerant may be discharged to the outside Water cooled condenser These units are provided with one very efficient stainless steel brazed plate water cooled condenser 2 The condenser is fitted with an head pressure regulating valv
68. as See Fig 8 a The scrolls are designed so that the upper scroll can separate from the bottom scroll by 1mm vertically A piston is attached on top of the upper scroll and will lift up the upper scroll when it moves up When the solenoid valve is closed the Digital Scroll operates as a normal scroll compressor and the compressed gas is discharged at high pressure through the normal piping When the solenoid valve is opened the discharge chamber and intake gas pressure becomes connected thereby releasing some of the discharge pressure This leads to less pressure holding the piston down thereby causing the piston to shift upwards which in turn lifts the upper scroll Once the scrolls separate any gas passing through is no longer compressed The Digital Scroll operates in two stages the loaded state when the solenoid valve is normally closed and unloaded state when the solenoid valve is open During the loaded state the compressor operates like a standard scroll and delivers full capacity and mass flow However during the unloaded state there is no capacity and no mass flow through the compressor Fig 8 a Modulation Chamber Bleed Hole Solenoid Valve Liebert HPM Digital PD 273560 01 02 2011 8 1 Technical Specifications At this stage let us introduce the concept of a cycle time A cycle time consists of a Loaded State time and Unloaded State time The duration of these 2 time segments
69. ation circuit i e thermostatic valves sight glasses and liquid line driers are grouped together and accessible simply by opening the front door Energy Efficiency EC Fan Plug in Electronically Commutated Fan Liebert HPM units are supplied with an exclusive fan type this enables you to greatly increase the unit s efficiency and therefore significantly reduce operating costs EC fans Electronically Commutated DC motors have the added advantage of higher fan shaft motor efficiency from 45 of 1 phase motors to 65 of 3 phase motors and to 85 90 of EC fans Additional benefits are that on start up the Liebert HPM peak inrush current is lower than the operating current This means the EC fan option features a true soft start Also compared to AC fan supplied by the frequency converter the advantages are evident and the input power is clearly inferior from 13 to 38 asa function of the working point The internal electronics of the EC fan are integrated into Emerson Network Power controls The EC fan design allows a new approach in regulating environmental parameters within HPAC applications To name a few e constant air volume e constant external static pressure e sound emission optimisation e power input optimisation e cooling capacity regulation on request This enables each system to be optimized for the installation These features are available from standard Liebert HPM units supplied with the EC fan o
70. ation from the liquid pipes and the receiver 3 to the condenser 2 that should be responsible of low pressure intervention at the start up of compressor For safety reason a relief valve 9 is installed on the liquid receiver 3 this valve is equipped with flanged connections so that the refrigerant may be discharged to the outside External air cooled condenser 2 The units may be connected with a wide range of our condensers in standard or low noise version For technical data and performance refer to the relevant technical documentation Chap 5 gives the recommended matching condenser for Liebert HPM units as a function of outdoor air temperature Note 1 Units and external condensers are supplied separately Note 2 The room unit refrigeration circuit is pressurised with helium at 3 bar and the condenser refrigeration circuit at 2 bar with dry air Note 3 The customer is responsible for making connections between the Unit and the external condenser and for charging with refrigerant standard R410A Full instructions for these operations are given in the Service Manual Chilled Water from Customer Liebert HPM Digital PD 273560 01 02 2011 Model Configuration Version H Water cooled condenser dualfluid units Dualfluid mode The Dualfluid unit cools the air flow by means of the air refrigerant coil 5 in direct expansion rows direct expansion mode see refrigeration circuit or as an
71. coil 4 Hot water 3 way valve Liebert HPM Digital PD 273560 01 02 2011 14 31 ZC Fabbricante Manufacturer Hersteller Fabricant Fabricante y Fabricante Tillverkare Fabrikant Valmistaja Produsent E M E RSON Fabrikant Kataorevaotnt Producent Emerson Network Power S r l Zona Industriale Tognana Via Leonardo da Vinci 16 18 35028 Piove di Sacco Padova Italy II Fabbricante dichiara che questo prodotto conforme alle direttive Europee The Manufacturer hereby declares that this product conforms to the European Union directives Der Hersteller erkl rt hiermit dass dieses Produkt den Anforderungen der Europ ischen Richtlinien gerecht wird Le Fabricant d clare que ce produit est conforme aux directives Europ ennes El Fabricante declara que este producto es conforme a las directivas Europeas O Fabricante declara que este produto est em conformidade com as directivas Europeias Tillverkare f rs krar h rmed att denna produkt verensst mmer med Europeiska Uniones direktiv De Fabrikant verklaart dat dit produkt conform de Europese richtlijnen is Vaimistaja vakuuttaa t ten ett t m tuote tayattaa seuraavien EU direktiivien vaatimukset Produsent erkl rer herved at dette produktet er i samsvar med EU direktiver Fabrikant erkl rer herved at dette produkt opfylder kravene i EU direktiverne O KataoksvaoTiis nover t TO nap v mpoldv siva kataokevao
72. ct match between Cooling Capacity and Heat Load e Lower power input partial load e Quick adaptation to changing heat load e Possibility to size cooling system to overcome to future heat load growth Precision Control e More precise room temperature control Once you make a direct comparisons between standard units using standard scroll compressors and Liebert HPM Digital is necessary to notice that Liebert HPM Digital has a very high precision in control room temperature so all the advantages exponentially increase comparing Liebert HPM Digital to a standard unit with the same tolerances on controlling the temperature Fig 8 b Liebert HPM Digital PD 273560 01 02 2011 Technical Specifications In fact to guarantee the same precision standard scroll technology has to use additional technologies like hot gas by pass or hot gas injection and others to avoid the compressor shut off and to avoid loosing temperature control All these techniques are very energy expensive and for this reason we can say that Liebert HPM Digital offers more requiring less Availability amp Reliability e Less number of start stop cycling means longer unit life As described previously at partial load a Digital scroll doesn t work with ON OFF configuration This avoids peaks in adsorbed power and reduces stress on components This increases the life of the unit greatly reducing failure due to fatigue e Wide operational limits f
73. d a maximum level sensor The steam output can be adjusted within a range of values which can be chosen manually and is factory set at 70 of the maximum capacity see the relevant data Humidifier features The steam is mixed with the delivery air of the evaporating coil by means of a suitable distributor The iCom controller can determine when the cylinder has to be changed Replacing the cylinder is extremely easy and quick A self adaptive flow control system is fitted as standard and controls the current passing through the cylinder water Tab 11a Humidair specifications MAX MAX MAX DRAIN MAIN POWER settING ABSORBED power CYLINDER SUPPLY WATER WATER HPMMopEL HUMIDAIR SUPPLIES CURRENT Beleg QUANTITY QUANTITY V 10 kg h A kW l min l min D1E D3A KUECLD 400V 3ph 50Hz 2 7 9 0 9 0 5 8 5 5 0 6 4 0 D3F D7L KUECLD 400V 3ph 50Hz 3 9 13 0 13 0 9 0 5 5 0 6 4 0 D8F KUECLD 400V 3ph 50Hz 3 9 13 0 13 0 9 0 5 5 0 6 4 0 Tab 11b Humidair specifications for Displacement unit MAX CYLIN MAX SUPPLY MAX DRAIN PM HUMIDAIR MANPOWER semna ABSORBED POWER DER WATER WATER WATER MODEL MODEL SUPPLIES VOLUME QUANTITY QUANTITY V 10 0 kg h A kW l min l min D1E D3A KUECLD 400V 3ph 50Hz 2 7 4 5 4 6 3 0 5 5 0 6 4 0 For humidifier current FLA and rated power refer to electrical features in air conditioner manual Unit is factory
74. d ice formation in wintertime it is advisable to use water glycol mixture refer to the Service Manual for the percentages to be used at minimum ambient temperatures The circulation of the water glycol mixture is forced the pump 11 and the water glycol mixture are not supplied The unit is provided with 2 way modulating valve 12 to control the glycoled water flow passing through the water glycol coil A solenoid valve 13 allows the water flow to the condenser The opening or closing signals generated by the electronic controller manage the valve actuator movement in order to maintain the desiderd conditions in the conditioned room Liebert HPM Digital PD 273560 01 02 2011 Model Configuration Contemporary DX and FC operation 5 Energy consumpion 20 kW In this way the air before passing through the Continueu load in London evaporating coil is precooled in the the freecooling coil Thanks to this feature the energy saving is considerably increased during temperate seasons exploiting the outdoor temperature that is a little bit inferior to indoor one Furthermore the total cooling capacity is increased and can satisfy peak cooling requests This function is not available in D8FU unit Liebert HPM Annual Energy Consumption F unit vs W unit This diagram is referred to 365 days and 24 hours running time The saved Energy in one year is equivalent to 61323 42328 18995 kWh Energy kWh
75. determine the capacity modulation of the compressor Example In a 20 seconds cycle time if the loaded state time is 10 seconds and the unloaded state time is 10 seconds the compressor modulation is 50 If for the same cycle time the loaded state time is 15 seconds and the unloaded state time is 5 seconds the compressor modulation is 75 The capacity is a time averaged summation of the loaded state and unloaded state By varying the loaded state time and unloaded state time any capacity between 10 and 100 can be delivered by the compressor Hence the Copeland Digital Scroll can achieve a continuous modulation of AC capacity to suit the system s needs precisely We could vary the cycle time and still achieve the same effective capacity but Copeland and Liebert they have done extensive testing to optimize the cycle time in this application Electric expansion valve device optional The valve is designed for modulating control of refrigerant circuits with high speed and high precision It is suitable for use as expansion device in refrigerant circuits with Copeland Digital Scroll compressor with organic safety refrigerants i e R410A For variable capacity systems an EXV provides superior performance as compared to a thermostatic expansion valve TXV due to e Precise flow control e Positioning time Electronic expansion valve ensure a better control on super heating at the end of the evaporator ensuring at same that compressor will n
76. digital scroll compressor circuit Liebert HPM Digital PD 273560 01 02 2011 12 8 Dimensional Data Connections Fig 12 p Refrigerant water and electrical connections Liebert HPM D8F LUTTE TT TTT f EI I ca I WITT a I Li ULI I ENIT I LEIT WITT ETTEI OKT OTET OCT inal i TTT COOP UEL ETETETT TT EET COPE id PEPE P PETE eee eee A ETET CEUC Wire mesh safety l Q screen OWC2 0G2 8 iN TH HH IWC2 IL2 Hi El Li OHW IFC Hp gt rH HD HF IS p TN gi are n 2 5 TT 8 z EC IHW IC LO O HH y 60 OWC1 OG1 IWC1 IL1 115 185 L 685 60 L 203 _ 80 89 303 a 2550 UNIT FRONT This must be cut in order to allow access for the pipes and cables S Version Unit Connection R w b F II Refrigerant liquid line inlet 1 OD 18 mm OD 18 mm IL2 Refrigerant liquid line inlet 2 OD 18 mm OD 18 mm OG1 Refrigerant gas line outlet 1 OD 22 mm OD 22 mm OG2 Refrigerant gas line outlet 2 OD 22 mm OD 22 mm IWC1 Water to condenser 1 inlet 1 1 4 GAS F 1 1 4 GAS F Iwc2 Water t
77. e to 27 C 55 R H Sa inlet water temperature max 85 C Hot water circuit water pressure max 8 5 bar K from 20 C Storage conditions i 50 C Power supply tolerances V 10 Hz 2 For A and D units Outdoor temperature lower limit Exceeding of winter lower limits will temporarily cause a compressor stop down to 10 C from 9 C to 20 C below 21 C 3 Consult HPAC Technical Sales standard unit VARIEX required Support Outdoor temperature higher limit This limit is determined by coupled condenser model Exceeding of this limit or a lack of maintenance will caused a compressor stop by HP safety thermostat Reset to normal operation can only be carried out manually Relative position room unit vs remote condenser from 30 to 50 m equivalent length From unit to condenser max distance From unit to condenser max geodetic height 1 2 Requirements Pipe diameter Oil traps on vertical line of gas refrigerant Extra oil charge Variex installation Condenser Hot gas reheat Additional non return valve on delivery line at 2 m from compressor from 30 m to 8 m see Tab 12c every 6 m max see Service Manual as standard oversized 15 NOT allowed mandatory Liebert HPM Digital PD 273560 01 02 2011 3 1 Operating Range For W F and H units Wat
78. e 8 for the automatic control of condensing pressure The units operate with mains water or open cooling tower water If mains water or open tower water are used a mechanical filter must be fitted in the water circuit to protect the condenser for other information see the Service Manual To reduce water and energy consumption pump it s advisable to adopt a cooling water control valve by the user able to stop water feeding when unit is off Unit microprocessor control gives a 24V contact 10VA max please refer to the relevant Wiring Diagram 58 and G terminals to drive that valve Note 1 The water cooled Dualfluid versions are filled with the complete charge of the requested refrigerant standard R410A Note 2 To complete the Dualfluid system it is necessary to connect the chilled water coming from the external source to the air water coil connections 5 DxxOH Units Hy Uu Chilled Water Cooling Water from Customer Liebert HPM Digital PD 273560 01 02 2011 2 9 Model Configuration 24 C 2 10 Displacement D Top air inlet Front air discharge The Packaged Indoor Liebert HPM Displacement units inject air next to the floor at low speed and take it in again from above in the room upper part The injected air generates a fresh air front hitting and moving the existing room air The heat sources on their turn originate hot air ascensional currents to th
79. e no 1 Digital Scroll 1 Scroll 1 Digital Scroll compressor OA A 6 34 7 37 10 51 12 64 14 16 18 24 14 24 18 66 24 81 28 14 35 55 compressor FLA A 10 0 11 8 16 5 21 22 27 2x 11 8 2x165 2x21 2x 22 2x 31 compressor LRA A 62 0 64 0 101 111 118 140 2x64 2x101 2x111 2x118 2x140 EVAPORATING COIL quantity configuration no 1 inclined pipes fins Copper treated alluminium pitch fins mm 1 8 1 8 1 8 2 1 1 8 1 5 1 8 1 8 1 8 1 8 1 6 rows no 4 4 5 5 4 5 4 4 5 6 5 front surface m2 0 65 0 65 0 65 0 85 1 71 1 71 1 71 1 71 1 71 1 71 2 2 REFRIGERANT CONNECTIONS 6 Refrigerant connecting pipe diameter see Tab 12c Chap 12 Saeed pipe to be mm 18 18 18 18 18 18 18 18 18 18 18 Welded 0 0 RER mm 16 16 16 16 16 16 16 16 16 16 16 4 Fan OA is for standard unit operating at the standard pressure drop Under 20 Pa Over 50 Pa 5 Condensing temperature 45 C mid point 6 The refrigerant connections on the unit are closed with blind welded flanges To be defined Options further information Chap 8 MODEL DIE D1G D2E D3A D3G D4E D3F D4H D5D D7L D8F o y supply voltage V V Ph Hz 230 1 50 230 1 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 400 3 50 Electrical heating FLA A 8 6 8 6 8 6 11 0 22 0 22 0 22 0 22 0 22 0 22 0 26 0 total power steps kW no 5 85 3 5 85 3 5 85 3 7 5 1 15 0 2 15 0 2 15 0 2 15 0 2 15 0 2 15 0 2 18 0 3 Humidifier FLA A 9 0 9 0 9 0 9 0 13 0 13 0 13 0 13 0 13 0 13 0 13 0 nominal power kW 5 8
80. e room upper part due to natural convection The hot air limited and stratified above is then taken in again by the conditioner The air diffusion limits the mixing between injected air mass and existing air causing a useful temperature stratification in the room The Displacement system is suitable for industrial rooms and for telecom unmanned sites with very high specific load kW m2 The main advantages are e abetter efficiency more than 10 of the cooling process 1 acting on air with temperature higher than the room average value e better efficiency of the ventilation process needing lower exit speeds e lower installation costs the false floor is not request as per Under units e lower operating costs due to better efficiencies Note Emerson Network Power has a Flovent simulation program arrangeable on Customer request 16 C Liebert HPM Displacement Test simulation at Emerson Network Power facilities with CFD calculation code Flovent FLOMERIC Sim Room with 16 kW heat load Air temperature distribution of Displacemetn configuration top versus Upflow configuration Liebert HPM Over Liebert HPM Digital PD 273560 01 02 2011 Operating Range Liebert HPM units are provided for operating within the following working ranges the limits concern new units on which correct installation have already been made All versions 18 C 45 R H Room air conditions P 21 V G
81. emersonnetworkpower com 1050 Dearborn Drive eu emersonnetwo Power CO EE Columbus OH 43229 Tel 1 6148880246 Emerson Network Power Service EMEA Asia 29 F The Orient Square Building F Ortigas Jr Road Ortigas Centre Pasig City 1605 Philippines Tel 63 2 620 3600 While every precaution has been taken to ensure the accuracy Fax 63 2 730 9572 and completeness of this literature Liebert Corporation assumes no responsibility and accepts no liability for damages resulting from use of this information or for any errors or omissions 2008 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners Emerson Network Power The global leader in Business Critical Continuity PS AC Power HI Embedded Computing HI Outside Plant PS Rack amp Integrated Cabinets HI Connectivity FS Embedded Power HI Power Switching amp Control HI Services HI DC Power PS Monitoring H Precision Cooling HI Surge Protection Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co 2008 Emerson Electric Co
82. ensing regulation 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 35 Safety thermostat 14 Hot gas solenoid valve optional 36 Hot gas injection valve 15 Evaporator 37 Shut off solenoid valve 16 Low pressure switch LP 38 Minimun pressure switch LP Liebert HPM Digital PD 273560 01 02 2011 14 23 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 24 Liebert HPM D8F U O D 2xEEV T Z TT ENO 3 ONLY WITH REHEATING 8 REAR SIDE COLoPTION nV _ FRONT SIDE 9 A gt DIGITAL COMPRESSOR STANDARD COMPRESSOR EH y a HI HI z o o z z a o o o o SUPPLY LIMIT SUPPLY LIMIT AA LA SUPPLY LIMIT 4 E Ole oQ CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 18 Pressure transducer for electronic expansion valve 2 Crankcase heater 22 Reheating coil optional 3 High pressure switch HP 23 Temperature sensor for EEV 4 Air cooled condenser 26 High pressure transducer HP 5 Liquid receiver 27 Head pressure control valve 6 Access valve 28 Thermostatic expansion valve EEV 7 Safety valve 30 Ch
83. er or mixture temperature to condenser lower limit other information R Service Manual min 5 C For F D and H units Chilled water circuit inlet water temperature min 5 C water pressure max 16 bar Max differential pressures on the modulating valve 2 or 3 ways Max differential pressure through the closed valve Apcy Max differential pressure across the valve for modulating service Apms D models Apcv kPa APms kPa D1GxF D H 300 300 D2ExF D H 300 300 D3AxF D H 300 300 D3FxF D H 175 175 D3GxF D H 175 175 D4ExF D H 175 175 D4HxF D H 175 175 D5DxF D H 175 175 D8FUF D H 175 175 1 Positive difference in height condenser above conditioner 2 Negative difference in height condenser below conditioner Other information in Service Manual 3 2 Liebert HPM Digital PD 273560 01 02 2011 Technical Data Tab 4a Digital direct expansion unit 100 cooling capacity DxxU O A W series MODEL DIE D1G D2E D3A D3G D4E D3F D4H D5D D7L D8F Power supply voltage V 10 V Ph Hz 400 3 50 Refrigerant circuit single single single single single single double double double double double PERFORMANCES 1 air flow m3 h 4200 4930 5750 7080 9540 11230 9490 11370 12910 13470 20020 ESP Under Pa 20 20 20 20 20 20 20 20 20 20 20 ESP max Under Pa 400 410 200 206 440 326 440 330 249 129 110 ESP Over Pa 50 50 50 50 50 50 50 50 50 50 ESP max Over
84. eters For different conditions refer to NewHirating program b vertical flow installation c sound pressure level free field at 10 m distance according to EN13487 Liebert HPM Digital PD 273560 01 02 2011 5 4 Airflow characteristics The graphs give the available and allowed external static pressure against airflow at different motor supply voltages for all units with G4 air filter standard configuration Useful available heads with standard fan The air conditioners of the Liebert HPM series are supplied with electric fans sized for 20 Pa Available External Static Pressure ESP for the models Under 50 Pa for the models Over ESP Available External Static Pressure Liebert HPM A W versions and U O configurations Pa 550 Si 550 ES Sie lt HPM D1E tov HPM D1G al 2 ESP EsP 3 450 BS 9 5V Q S amp 00 ii 400 eu 350 cal S 8 5V 300 f a 8V 250 See 7 5V 200 e 7 5V 7V 150 is 7v 6 5V 100 100 ESY 6 50 5 50 ele R S150 3650 SCH 4650 S15Cm3 h 3690 4190 4690 5190 5690 m3 h Pa 450 450 Pa iol tov HPM D2E R HPM D3A 400 ESP ESP R 380 9 5V EC z g 300 300 9V S 9V R 6 250 250 8 5V 8 5V 200 200 150 150 ey 7 5V 108 7 5V 100 7V 50 sg PP 0 431
85. ever be filled by liquid from the 10 to 110 of its nominal capacity instead a mechanical one can t ensure it It has to be calibrate and then it will work properly but only around the calibration point This means that a TXV works better i e better control longer life with a condensing pressure as much as possible constant For such reason with TXV the condensing temperature is kept around 45 C as set point But during the coldest period the condensing temperature can be lowered and the electronic expansion valve adapts to this new situation This permits an increase of the cooling capacity of the unit decrease the power input of the unit and so increase the energy efficiency of the entire Liebert HPM Digital unit Basically this on a standard unit with standard Scroll compressor has the negative effect of decreasing the SHR of the unit common competitors application while on Liebert HPM Digital thanks to Digital Scroll modulation this negative effect disappears So for such reason to have the biggest advantage from the electronic expansion valve use a different set point for the fan speed controller of the condenser coupled with Liebert HPM Digital 83 C P1 Digital range Major Benefits Emerson Network Power is proud to offer a new possibility to have the best technologic evolutions in your cooling unit adding to an already optimum product a wide range of benefits Modulation as explained in Digital Scroll Chapter e Perfe
86. filter pressure drop 190 180 170 160 150 140 120 110 100 90 80 70 3600 4100 4600 5100 5600 6100 6600 7100 7600 8100 mh D3F D3G D4H D5D D7L U F5 filter pressure drop 8300 9300 10300 11300 y 12300 13300 d Liebert HPM Digital PD 273560 01 02 2011 14300 8600 Pa D3A U F5 filter pressure drop 120 110 5700 5950 6200 6450 6700 5950 7200 7450 7700 7950 8200 mh D4E O D3F D3G D4H D5D D7L O F5 filter pressure drop 170 160 150 140 130 120 110 100 90 8300 9300 10300 11300 12300 13300 14300 mh Filter section 140 4 130 4 120 D8FUA W 19000 21000 23000 25000 27000 m h Tab 9d Additional pressure drop Filters F6 D1E D1G D2E UO F6 3500 4000 4500 5000 5500 6000 6500 7000 mh Tab 9f Additional pressure drop Filters F9 D1E D1G D2E U O F9 4000 4400 4800 R 5200 5600 6000 mh Tab 9h Additional pressure drop Filters F6 F7 F9 D3A U O external filters pressure drop 6200 6450 6700 7200 7450 7700 Tab 9e Additional pressure drop Filters F7 D1E D1G D2E UO F7 200 180 160 E 140 120 100 80 60 3000 3500 4000 4500 5000 mh 5500 6000 6500 7000 Tab 9g Additional pressure drop Filters F6 F7 DBFUA W 77 200 5 F7 180 4 F6 160 4 Pa 140 4 120 4 100 r r T d
87. gas ext only for aesthetic reasons only for aesthetic reasons only for aesthetic reasons INSULATION l int absolutely not not necessary no expose to cold underfloor air q ext only for aesthetic reasons only if exposed to sun only if exposed to sun room unit D room unit D gas room unit LAYOUT gas liquid H liquid see Chap 3 see Chap 3 12 11 Liebert HPM Digital PD 273560 01 02 2011 All Options Accessories Silencing cartridges for supply hoods See Chap 7 Special Cartridges See Chap 8 Heating Reheat and humidity control See Chap 8 High efficiency filters See Chap 9 Filter holding duct See Chap 9 Clogged filter alarm See Chap 9 Fresh air kit See Chap 9 Humidifier See Chap 11 Delivery plenum with frontal airflow for Over models See Chap 12 Base modules See Chap 12 Intake and delivery hoods See Chap 12 Base frames See Chap 12 Special packing See Chap 12 Flooding alarm Liquistat The flooding alarm detects the presence of water or of any other conductive liquid and opening a circuit activates an alarm There are no moving parts and it is not subject to dirt or vibration Up to 5 sensors can be connected to the same flooding alarm device to control many points in the room The alarm device is supplied with a sensor Additional sensors can be ordered separately Smoke alarm Smokestat presence of smoke in the intake air is perceived Th
88. h all models in Displacement version and in Constant configuration The down flow version achieves the highest levels of efficiency EER is 20 better than industry average The fan in this case is positioned upstream of the evaporator optimising airflow over the coil Also in the Under versions silencer cartridges can be used to further reduce the sound pressure level by up toa 5 dBA The new HPM Digital range equipped with Digital Scroll compressor and the electric expansion valve drive through a precise watching between load and cooling capacity The new Liebert HPM has been designed to have the smallest possible overall footprint The compactness of the unit is fully evident for some capacities For instance inthe D2E where 23 kW in direct expansion mode have been reached with footprint of 750 x 750 mm inthe D3A where 29 kW have been reached with footprint of 1000 x 850 mm inthe D5D and D7L where in the 1750 x 850 mm footprint we have upflow and downflow configurations for air and water cooled units _ in the D8F where in the 2550 x 890 mm footprint we have downflow configurations for air and water cooled units Low sound levels are the result of fan design optimised airflows and doubled skin insulated panels Attention to design detail means low operational costs including product maintenance through high levels of reliability and a service friendly design As an example all the crucial parts of the refriger
89. ic expansion valve 6 Access valve 20 Capacity mod solenoid valve ext for D1E D1G 7 Safety valve 22 Reheating coil optional 8 Filter dryer 23 Temperature sensor for EEV 9 Sight glass 24 Check valve 10 Electronic expansion valve EEV 26 Pressure transducer for HP 12 Check valve Liebert HPM Digital PD 273560 01 02 2011 14 1 Refrigerant EEV ALCO and Hydraulic Circuits Fig 14 2 Liebert HPM D1E D1G D2E D3A D3G D4E U O W Poe A G ONLY WITH REHEATING COIL OPTION EXTERNAL FOR D1E D1G WATER OUTLET WATER INLET ONLY FOR D13 17 20 6 D Gi POS DESCRIPTION POS DESCRIPTION 1 Compressor 12 Check valve 2 Crankcase heater 13 Shut off valve 3 High pressure switch HP 14 Reheating solenoid valve optional 4 Water cooled condenser 15 Evaporator 5 Liquid receiver 16 Low pressure switch LP 6 Access valve 18 Pressure transducer for electronic expansion valve 7 Safety valve 20 Capacity mod solenoid valve 8 Filter dryer 22 Reheating coil optional 9 Sight glass 23 Temperature sensor for EEV 10 Electronic expansion valve EEV 24 Check valve 11 Pressure transducer condensing regulation 25 Condensing regulation water valve 14 2 Liebert HPM Digital PD 273560 01
90. iebert HPD Dry Coolers are the new range of liquid coolers able to cover rated heat exchange capacities from 8 to 400 kW They excel above all for their efficiency versatility and reliability thanks to the following features e possibility of installation with horizontal or vertical air flow with simple operations on site with the same model of Dry Cooler without needing any wiring or re wiring inside the unit e modulating fan speed regulator with phase optional for a continuous modulation of the fan speed installed on the machine wired and factory set thus making the connection steps on site and the unit start up extremely easy the fan speed regulator with phase cutoff can be selected to control up to two set point values for the water delivery temperature of the Dry Cooler Do not use fan speed regulator other than the approved one supplied by the manufacturer When the Dry Cooler is ordered without temperature control an outer on off type control to be arranged by the customer is anyway allowed and must be connected on site with the suitable terminals available in the electric board Q of the unit see wiring diagram enclosed to the unit Liebert HPM Digital PD 273560 01 02 2011 5 2 Heat Rejections W F H versions The axial fans are equipped with protection grid and are statically and dynamically balanced they can guarantee high efficiency and a low emitted noise level above all in the low noise version
91. iency filters filtration class F6 F7 and F9 in accordance with the CEN EN 779 standard are made of fibreglass filter media The filters are placed in V sections with a solid external frame in polypropylene and can withstand remarkable pressure and flow variations These filters will be installed within an additional duct on the unit top Filter holding duct If 290 mm high filters are needed a metal hood must be supplied to support them installed on the top of the unit and with the same colour For dimensions see Fig 12 d Clogged filter alarm A differential static pressure gauge after anf before the filter gives a signal when the filter is dirty Fresh air kit The fresh air kit optional has a G3 class filter installed on the intake side of the fan and is connected to the Liebert HPM unit with a 100 mm diameter plastic duct As the fresh air intake is positioned close to the fan suction it will easily mix with the recirculation air Air Filters general information Recently new test methods and configuration systems have been developed for all type of filters In Europe CEN is working to establish common standards in the United States ASHRAE Standards has been in use since 1968 and replaced by ANSI ASHRAE 52 1 1992 So in order to have a reference about different standards see Tab 9a and Tab 9b There is no perfect correspondence between different standards due to the different test methods but the tables
92. illed water coil 8 Filter dryer 31 Chilled water 3 way valve 9 Sight glass 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 35 Safety thermostat 14 Hot gas solenoid valve optional 36 Hot gas injection valve 15 Evaporator 38 Minimun pressure switch LP 16 Low pressure switch LP 14 24 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 25 Liebert HPM D8F U O H 2xEEV FT _ TV Tn E E ONLY WITH REHEATING 8 REAR SIDE COLoPTION FRONT SIDE L 9 Za X DIGITAL COMPRESSOR X STANDARD 3 COMPRESSOR Im K ei e HI HI z d fe fe o o WATER OUTLET me See POS DESCRIPTION POS DESCRIPTION 1 Compressor 18 Pressure transducer for electronic expansion valve 2 Crankcase heater 22 Reheating coil optional 3 High pressure switch HP 23 Temperature sensor for EEV 4 Water cooled condenser 26 High pressure transducer HP 5 Liquid receiver 27 Head pressure control valve 6 Access valve 28 Thermostatic expansion valve EEV 7 Safety valve 29 Condensing regulation water val
93. ine maintenance The compressor 1 has a built in non return valve to avoid return of liquid refrigerant from the condenser thus protecting the compressor from undesired refrigerant slugging during the start up A second non return valve 7 is recommended to avoid refrigerant migration from the liquid pipes and the receiver 3 to the condenser 2 that should be responsible of high pressure intervention at the start up of compressor For safety reason a relief valve 9 is installed on the liquid receiver 3 this valve is equipped with flanged connections so that the refrigerant may be discharged to the outside Note The Liebert HPM Freecoolers are filled with the complete charge of the requested refrigerant standard R410A Water cooled condenser These units are provided with one very efficient stainless steel brazed plate water cooled condenser 2 The condenser is fitted with an head pressure regulating valve 8 for the automatic control of condensing pressure To reduce water and energy consumption pump it s advisable to adopt a cooling water control valve by the user able to stop water feeding when unit is off Unit microprocessor control gives a 24V contact 10VA max please refer to the relevant Wiring Diagram 58 and G terminals to drive that valve Water glycol circuit The units operate with water in closed circuit with an external Dry Cooler 10 cooled by the outside ambient air To avoid undesire
94. ing pipe depends on unit model and refrigerant see Tab 12c on page 12 10 Liebert HPM Digital PD 273560 01 02 2011 12 6 Dimensional Data Connections Fig 12 n Refrigerant water and electrical connections Liebert HPM D3G D4E singlecircuit plan view 0 1750 L 1285 1505 1710 850 CD 705 t no 5 holes O 48 OWC1 IWC1 OG1 IL1 330 HE 330 280 O JEN g 28 HD 190 OHW i 180 150 l 150 EC OFCf IFC p OFC py yIFCpyn 70 PO D e0 o 70 800 870 1345 1435 0 100 180 1375 1465 1565 1655 1750 Precut holes L _ UNIT FRONT Models Version Unit Connection F w a 7 D3G OD 16 mm OD 16 mm D4E IL1 Refrigerant liquid line inlet 1 OD 18 mm OD 18 mm D3G OD 18 mm OD 18 mm D4E OG1 Refrigerant gas line outtlet 1 OD 22 mm OD 22 mm D3G IWC1 Water to condenser 1 inlet 1 1 4 GAS F 1 1 4 GAS F D3G Owc1 Water from condenser 1 outlet 1 1 4 GAS F 1 1 4 GAS F Dxx IHW Hot water inlet opt OD 22 mm Dxx OHW Hot water outlet opt OD 22 mm D3G IFC F 1 1 4 GAS F D4E IFC F Water inlet to Freecooling 11 2 GAS E D3G OFC F 1 1 4 GAS F D4E OFC F Water outlet from Freecooling 1 1 2 GAS F D3G IFC D H 1 1 4 GAS F 1 1 4 GAS F D4E IFC D H Water inlet to Dualfluid 1 1 2 GAS
95. inlet T 35 C Water inletT 45 C Water outlet T 40 C Sound pressure levels have been evaluated according to the norm EN13487 at a 10 m distance with free field The working pressure depends on the circuit where the Dry Cooler is connected Dry Cooler max working pressure 16 bar All Dry Coolers are CE marking Dry Cooler units are conform to the following directives e 2006 42 EC e 2004 108 EC e 2006 95 EC e 97 23 EC Tab 5h Coupling of Dry Coolers External temperature up to 30 C External temperature up to 35 C External temperature up to 40 C Model Standard Low noise Standard Low noise Standard Low noise D1E W 1 x ESM009 1 x ELMO11 1 x ESM013 1 x ELMO11 1 x ESM022 1 x ELM018 D1G W H F 1 x ESM009 1 x ELMO11 1 x ESM018 1 x ELM015 1 x ESM022 1 x ELM027 D2E W H F 1 x ESM018 1 x ELM018 1 x EST028 1 x ELM027 1 x EST050 1 x ELT040 D3A W H F 1 x ESM018 1 x ELM018 1 x EST028 1 x ELM027 1 x EST050 1 x ELT040 D3F W H F 1 x ESM022 1 x ELM018 1 x EST028 1 x ELM027 1 x EST050 1 x ELT047 D3G W H F 1 x ESM022 1 x ELM027 1 x EST028 1 x ELM027 1 x EST050 1 x ELT055 D4E W H F 1 x EST028 1 x ELM027 1 x EST040 1 x ELT040 1 x EST060 1 x ELT065 D4H W H F 1 x EST028 1 x ELM027 1 x EST040 1 x ELT040 1 x ESTO60 1 x ELT065 D5D W H F 1 x EST040 1 x ELT040 1 x ESTO50 1 x ELT047 1 x ESTO80 1 x ELTO65 D7LW 1 x EST050 1 x ELT047 1 x ESTO60 1 x ELT055 1 x ESTO80 1 x ELT085 D8F W H F 1 x ESTO60 1 x ELTO55
96. ion from possible accidental contact When electrical heating is installed the dehumidification system can be also activated and humidity sensor and indicator provided if especially ordered see humidification and dehumidification system for the dehumidification function Electric heating can be installed combined with hot gas or hot water heating Hot Gas Coil option DX units for Reheating Mode only versions A W F D H Liebert HPM can be supplied with a reheating system that uses the heat which is normally transferred to the condenser thus saving energy This system is activated during the dehumidification phase when the temperature is below its setpoint A control valve prevents the refrigerant from flowing into the reheat coil when not required Hot gas reheat is available as an alternative to hot water reheat Tab 8a Features of hot gas reheat system at nominal airflow MODELS U O A W F D H DIE DiG D2E D3A D3F D3G DOE D4H D5D D7L D8F rows no 1 1 1 1 1 1 1 1 1 1 1 surface m2 0 37 0 37 0 37 0 47 1 07 1 07 1 07 1 07 1 07 1 07 1 29 reheating capacity at 24 C 50 condensing temperat kW 8 9 10 6 14 2 17 3 21 3 26 7 10 8 13 6 17 5 20 4 28 2 ure 45 C Tab 8b Reheating mode during the dehumidifications Hot gas reheat HG Heaters H1 H2 during Dehumidification mode ON OFF Functions first step HG H1 Reheating Heater second step HG H2 HG H1 Reheating
97. ion system is provided by a HUMIDAIR electronic humidifier The dehumidification function which is supplied as standard when the humidifier option is installed acts by reducing the fan speed with consequent reduction of the air flow and at the same time switching on the compressor Electronic humidity control The software of the iCom microprocessor control includes an algorithm which manages the HUMIDAIR electronic modulating humidifier and also provides the dehumidification function There is also a special function which automatically prevents dehumidification if the return air temperature is below the required value When the temperature reaches the correct value the dehumidification function is automatically reactivated Dehumidification control may be either of the proportional or of the on off type depending on the installation requirements on off is set as standard at the factory HUMIDAIR electric steam humidifier HUMIDAIR is a replaceable plastic water cylinder with immersed electrodes When an electronic current passes between the electrodes the water is converted into the required quantity of steam It is suitable for a large range of water qualities with varying degrees of hardness with the exception of demineralized water It almost instantaneously produces clean particle free steam and avoids energy losses which are typical of other systems HUMIDAIR is provided with the steam cylinder water inlet and outlet valves an
98. is is an optical smoke detector it uses the Tyndall effect which absorbs very low current 100mA and is absolutely insensitive to light or wind r ill Asmoke alarm can be installed to stop the conditioning system when the ANG Fire alarm Firestat In some applications the fire regulations require the installation of an alarm device Firestat which deactivates the air conditioner when the intake air temperature is too high Liebert HPM Digital PD 273560 01 02 2011 13 1 All Options Accessories Automatic condensate pump The Liebert HPM s condensate drain piping can be connected to a pump complete with a flow cutout that permits the pump to stop and reset automatically Tab 13f Features of the automatic pump for condensate discharge water flow V s 0 083 0 167 0 250 0 333 available head kPa 20 19 18 14 Non return valves Versions A and D For air cooled units a non return valve is supplied on request in a separate kit It should be installed on the liquid line near the condenser in a vertical position with downward flow Additional temperature and humidity sensor EEAP EEAP Environmental Alarm Package is an additional temperature and relative humidity sensor similar to the humitemp sensor The sensor can be installed in a suitable place up to 20 m from the air conditioner It generates an alarm if the temperature or the relative humidity exceeds one of the four thresholds that can be selec
99. ity and a higher evaporating temperature means a higher cooling capacity Condensing temperature is directly related to power input and lower it is the lower the power consumption of the compressor Consequently the Digital scroll increases its COP at partial load higher then 75 in fact the higher evaporating temperature and lower condensing temperature gives higher cooling capacity and lower power input e Electronic Expansion Valve Effect as explained in the proper Chapter e EC Fan Effect as explained in the proper Chapter Thanks to all these effects we can have a reduction up to 50 on the yearly energy consumption and a return of investment lower then half a year considering a comparison versus a standard Room Cooling Unit with standard Scroll standard AC Fan and standard Thermostatic Expansion Valve placed in a city in the centre of Europe Coils DX Refrigerant room air In such a way we can increase the global efficiency to the biggest value High front surface Made of copper pipes and aluminium fins Fins treated with hydrofile styrol acrylic paints to withstand corrosive atmospheres Low pressure drop High SHR Sensible Heat Ratio Frame and panels The sheet steel structure painted with epoxy polyester powders is assembled by stainless steel rivets the paneling system ensures higher stiffness there will also be some pluggings compressor space and fan for guaranteeing both safety and high acoustic abs
100. led water freecooling dual fluid and constant for an ultra high temperature and humidity control and air filtration OVER Liebert HPM Digital PD 273560 01 02 2011 Contents Contents Features and Benefits Model Configuration Operating Range Technical Data Heat Rejection through condenser AirFlow Characteristics Sound Pressure Level Technical Specifications Filter Section Microprocessor Controls Humidair Humidifier Dimensional Data The Quality M anagement System Connections of Emerson Network Power S r l High Performance Air All Options Accessories by Lloyd s Register Quality Assurance to the standard ISO 9001 2008 Refrigerant and Hydraulic Circuits The product conforms to European Union directives 2006 42 EC 2004 108 EC 2006 95 EC 97 23 EC Units are supplied complete with a Test Certificate Conformity Declaration and Component List Liebert HPM units are CE marked as they comply with the European directives concerning mechanical electrical electromagnetic and pressure equipment safety Liebert HPM Digital PD 273560 01 02 2011 0 0 Features and Benefit The new Liebert HPM The EC fan technology with generously dimensioned heat exchanger scroll compressors and optimised cooling circuits maximise efficiency by operating at low levels of energy consumption We underline the complete range wit
101. m D3F 4H 5D 7L OG2 Refrigerant gas line outlet 2 OD 18mm OD 18mm D5D 7L ICH 1 1 4 GAS F 1 1 4 GAS F D3F 4H IWC1 Water to condenser 1 inlet 3 4 GAS E 3 4 GAS F D3F 4H IWC2 i 3 4 GAS F 3 4 GAS F D5D 7L IWC2 Water to condenser 2 inlet 1 1 4 GAS F 1 1 4 GAS F D5D OWC1 1 1 4 GAS F 1 1 4 GAS F D3F 4H owci Water from condenser 1 outlet 3 4 GAS F 3 4 GAS F D3F 4H owc2 3 4 GAS F 3 4 GAS F D5D 7L owc2 Water from condenser 2 outlet 1 1 4 GAS F 1 1 4 GAS F Dxx IHW Hot water inlet opt OD 22 mm Dxx OHW Hot water outlet opt OD 22 mm D3F IFC F f 1 1 4 GAS F D4H 5D IFC F Water inlet to Freecooling 1 1 2 GAS F D3F OFC F 1 1 4 GAS F D4H 5D OFC F Water outlet from Freecooling 1 1 2 GAS F D3F IFC D H 1 1 4 GAS F 1 1 4 GAS F D4H 5D IFC D H Water inlet to Dualfluid 1 1 2 GAS F 1 1 2 GAS F D3F 3G OFC D H 1 1 4 GAS F 1 1 4 GAS F BER OFC D H Water outlet from Dualfluid 1 4 2 GAS F 1 1 2 GAS F Dxx cD Condensate drain ID 20 mm Dxx HF Humidifier feed opt 1 2 GAS M Dxx HD Humidifier drain opt ID 22 mm Dxx EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab 12c on page 12 10 Inlet outlet 1 referred to standard scroll compressor circuit Inlet outlet 2 referred to
102. m R410A Gas Liquid 14X 1 14X 1 16 X 1 16 X 1 18 X 1 16 X 1 22 X 1 5 18 X 1 16 X 1 16 X 1 22 X 1 5 18 X 1 28 X 1 5 22 X 1 5 18 X 1 16 X 1 22 X 1 5 18 X 1 22 X 1 5 18 X 1 28 X 1 5 22 X 1 5 For equivalent lengths up to 50 m Equal diameters Max geodetic height difference between condenser and room unit from 30to 8 m when the condenser is placed underneath the room unit Variex at the condenser Oversizing of the condenser at least of 15 more than standard capacity Hot gas reheat not allowed Syphon on the vertical gas lines every 6 metres Relevant extra oil charge Non return valve in the refrigerant discharge pipe 2m far from the compressor Liebert HPM Digital PD 273560 01 02 2011 12 10 Dimensional Data Connections Tab 12d Equivalent lengths in meters of curves shut off and non return valves Nominal Si Vv diameter Go 90 45 180 90 12 0 50 0 25 0 75 2 10 1 90 14 0 53 0 26 0 80 2 20 2 00 16 0 55 0 27 0 85 2 40 2 10 18 0 60 0 30 0 95 2 70 2 40 22 0 70 0 35 1 10 3 20 2 80 28 0 80 0 45 1 30 4 00 3 30 Tab 12e Condenser positioning CONDENSER AND CONDENSER BELOW CONDENSER CONDENSER ABOVE CONDITIONER CONDITIONER POSITION CONDITIONER AT SAME LEVEL not recommended int necessary necessary necessary
103. m unit The service compartment facilitates checking and setting of refrigeration circuit without changing aeraulic conditions The access to the compressor is possible even when the unit is operating by removing the front panel The access to the fan is executed with the greatest care for easier interventions maintenance and or fan replacement One very important feature for example is the possibility to check the total pressure drop of the high pressure piping using the schrader connections available in the front part of the machine see below Access valve from liquid receiver Access valve to air cooled condenser Liebert HPM Digital PD 273560 01 02 2011 Model Configuration Digit Nomenclature The unit is fully defined by seventeen digits HBD erer i td DIEUA Digit 1 Family D Digital Digit 2 and 3 Size Cooling Capacity kW approx tenths of kilowatt Digit 6 Fan 1 EC fan Digit 7 Main Power Supply D 400 V 3 Ph 50 Hz Digit 8 Electric heating 0 None 1 Electric heating Digit 9 Humidification 0 None V Electrode humidifier Digit 10 Microprocessor Control ICOM amp Inner Display with Temperature Control ICOM amp Inner Display with Temperature and Humidity Control ICOM amp Coldfire Display Small with Temperature Control ICOM amp Coldfire Display Small with Temperature and Humidity Control ICOM amp Coldfire Display Large with Temperat
104. ndensing temperature 45 C power re heating kW 11 3 12 4 13 9 water flow l s 0 18 0 20 0 23 coil side pressure drops kPa 1 1 1 total pressure drops kPa 4 5 3 U E JH D3A D3F D3G D4E D4H D5D D7L rows no 1 1 1 1 1 1 1 surface m2 0 47 1 07 1 07 1 07 1 07 1 07 1 07 indoor temp 24 C 50 R H water inlet outlet temperature 80 65 C condensing temperature 45 C power re heating kW 17 2 34 4 34 5 38 4 38 6 42 1 43 8 water flow l s 0 28 0 56 0 563 0 627 0 63 0 686 0 714 coil side pressure drops kPa 1 2 2 3 3 3 4 total pressure drops kPa 4 15 15 19 20 23 25 indoor temp 20 C 50 R H water inlet outlet temperature 80 65 C condensing temperature 45 C power re heating kW 18 4 36 6 36 7 40 8 41 44 7 46 5 water flow l s 0 3 0 596 0 598 0 665 0 668 0 729 0 758 coil side pressure drops kPa 1 3 3 3 3 4 4 total pressure drops kPa 5 18 18 22 22 26 28 UAW EDM DSF rows no 1 surface m2 1 29 indoor temp 24 C 50 R H water inlet outlet temperature 80 65 C condensing temperature 45 C power re heating kW 32 0 water flow l s 0 522 coil side pressure drops kPa 5 total pressure drops kPa 10 indoor temp 20 C 50 R H water inlet outlet temperature 80 65 C condensing temperature 45 C power re heating kW 33 9 water flow l s 0 553 coil side pressure drops kPa 6 total pressure drops kPa 11 Liebert HPM Digital PD 273560 01 02 2011 8 5 Technical Specifications Tab 8d Reheating mod e during the dehumidifications
105. nt Graphic Data Records Evolution Timer Mode electronic timer included in the Software Semi or Full Manual Mode software management including all safety devices 4 Level Passwords system to protect all the settings Ergonomic design for use also as portable device start up and flying connections by service personnel Multi language menu with on the fly language selection Technical Data CDL Graphic Display Microcontroller Coldfire 32Mbit Time and date function buffered by Ll battery Ethernet network connectors 2 RJ45 sockets for unit in LAN remote display CAN bus connectors 2 RJ12 sockets Power supply 00e eevee via CAN bus or external 12Vdc supply Alarm Board accessory The Alarm Board converts Alarms high priority or Warnings lower priority from iCom into Volt free contacts up to five either normally closed or normally open In this way following Warnings Alarms are separated High or Low refrigerant pressure High room Temperature Low room Temperature Fan Failure Clogged Filter alarm if installed SMM Wireless SMS Communication accessory The unit is able to send short text messages SMS of the its status alarms to the display of GSM900 1800MHz mobile phones allowing real time cost effective maintenance 10 2 Liebert HPM Digital PD 273560 01 02 2011 Humidair humidifier optional Humidification The humidificat
106. o condenser 2 inlet 1 1 4 GAS F 1 1 4 GAS F OWC1 Water from condenser 1 outlet 1 1 4 GAS F 1 1 4 GAS F owc2 Water from condenser 2 outlet 1 1 4 GAS F 1 1 4 GAS F IHW Hot water inlet opt OD 22 mm OHW Hot water outlet opt OD 22 mm IFC F Water inlet to Freecooling 2 1 2 GAS M OFC F Water outlet from Freecooling 2 1 2 GAS M IFC D H Water inlet to Dualfluid 2 1 2 GAS M 2 1 2 GAS M OFC D H Water outlet from Dualfluid 2 1 2 GAS M 2 1 2 GAS M cD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 80 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab 12c on page 12 10 12 9 Liebert HPM Digital PD 273560 01 02 2011 Dimensional Data Connections Fig 12 q Refrigeration connections Liebert HPM A OG IL Frontal view liquid line gas line Non return valve Refrigerant pipe outlet Refrigerant pipe inlet Notes recommended diameters see Table in Chap 4 Tab 12c Pipe diameters room unit remote condenser MOD DIE D1G D2E D3A D3F D3G D4E D4H D5D D7L D8F STANDARD PIPE DIAMETERS Valid for equivalent lengths up to 30 m copper tube external diametre X thickness m
107. ondensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab 12c on page 12 10 12 5 Liebert HPM Digital PD 273560 01 02 2011 Dimensional Data Connections Fig 12 m Refrigerant water and electrical connections Liebert HPM D3A 850 850 S 705 C i no 4 holes O 48 IL IFC IWC 330 7 HFA IHW 300 280 Gy k OG HD OFC OWC Ge onw tr 180 150 S A EC G gt 80 0 0 o o 70 230 420 100 180 280 370 755 1000 Precut holes UNIT FRONT f A Version Unit Connection A W D t F IL Refrigerant liquid line inlet OD 16 mm OD 16 mm OG Refrigerant gas line outlet OD 18 mm OD 18 mm IWC Water to condenser inlet 1 GAS F 1 GAS F OWC Water from condenser outlet 1 GAS F 1 GAS F IHW Hot water inlet opt OD 18 mm OHW Hot water outlet opt OD 18 mm IFC Water ee E and 1 GAS F 1 GAS F 1 1 4 GAS F OFC wae ene r 1 GAS F 1 GAS E 1 1 4 GAS F CD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connect
108. ooler or other suitable external device When operating in a closed circuit the water is cooled by the outdoor air in a heat exchanger in this case to avoid unwanted ice formation during winter it is advisable to use a water glycol mixture The circulation of the water glycol mixture is forced the pump is not supplied If mains water or tower water is used when installing the unit fit a mechanical filter on the water line to protect the condenser against possible impurities contained in the water for condenser cleaning see the service manual Dry Coolers Our Dry Coolers are built with a copper aluminium cooling coil and axial fan s The main data on Dry Coolers is shown in the following table Percentage of ethylene glycol mixed with water 40 Note In the closed circuits to avoid water freezing in the cold seasons it is strictly recommended to mix water with ethylene glycol The suggested percentage is given in the Diagram For safety reason calculate the percentage at least at 5 C below the minimum ambient temperature It is also recommended to check periodically the mixture in case of leackage of the circuit the sanitary water used at compensation reduces progressively the glycol percentage and 35 30 25 20 15 10 5 0 0 5 10 15 20 25 z A g increases the freezing point of the Freezing temperature C mixture in weight in volume Features and benefits L
109. or higher availability To maximise the possible advantages coming from the thermodynamic functioning of Liebert HPM Digital Emerson Network Power has developed special software with an additional pressure transducer the control when external air temperature increases over standard functioning limits commands the compressor to modulate his capacity Forcing the condensing temperature to decrease under the limit even when at partial load the unit guarantees refrigeration standard units in the same condition would fail So when you size your requested unit you consider the worst external conditions it can happen that occasionally during the year it will be hotter than your design ambient temperature In this case a standard unit will shut down due to high condensing temperatures leaving your Data Center without cooling when the requirement is at its highest however your Liebert HPM Digital will guarantee a partial cooling capacity So System availability is guaranteed even during extreme operating conditions Increased Efficiency thanks to e COP and SHR Effect At partial load alternation between loaded and unloaded states involves a reduction on nominal mass flow both on the evaporator and on the condenser This gives digital technology two important thermodynamic advantages higher evaporating temperatures and lower condensing temperatures These are both important characteristics the evaporating temperature is directly related to cooling capac
110. orption The frontal panel is assembled on hinges to make the access easier this can be opened by the fast closing lock The rear and side panels are screwed to the supports The rear panel is screwed directly to the frame The air returns from the machine top in machines with underfloor air delivery whereas in machines with upward air delivery it returns through the metal grid on the front panel Liebert HPM Digital PD 273560 01 02 2011 8 3 Technical Specifications The compressor section can be reached even during the unit operation by removing the front panel and the protection plugging The panels are lined with thermoacoustic insulating material class 0 ISO 11822 Refrigerant The units are designed for being used with refrigerant R410A Humidifier option see Chap 11 Electrical Heaters option for Heating Mode The heaters are made of aluminium with high efficiency fins for D1E D1G D2E and D8F models finned armored stainless steel AISI 304 for D3A D3F D3G D4E D4H D5D and D7L models to maintain a low surfaces power density lonization effects are eliminated owing to the low heater surface temperature Each stage of electric heating is distributed across the three phases so to avoid balancing problems There an ON OFF type electronic temperature controller a safety thermostat with manual reset a miniature circuit breaker for short circuit protection and harness protect
111. oughout the operating range This unique feature increases the applicability of the Liebert HPM units into technological rooms as it eliminates the need for expensive electromagnetic suppression electronics required to ensure electromagnetic compatibility The Digital function maintains the maximum refrigerant velocity through the pipes As a result of these reasons Liebert HPM units do not need oil return components Liebert HPM Digital PD 273560 01 02 2011 Model Configuration Air Distribution 4 Digit All units are available in the four configurations shown below U UNDER O OVER Downflow Upflow with front air return D DISPLACEMENT Frontal air discharge at floor level a I I see page 2 12 Liebert HPM Digital PD 273560 01 02 2011 Model Configuration Versions 5 Digit Version A Direct expansion units with air cooled condenser Refrigeration circuit The compressor 1 pumps the hot gaseous refrigerant into an outdoor air cooled condenser 2 The liquefied refrigerant arrives to a liquid receiver 3 that ensures a constant and even refrigerant flow to the thermostatic expansion valve 4 and then arrives to the evaporator 5 Here the refrigerant thanks to the heat exchanged with the room air moved by the
112. pacity mod solenoid valve 7 Safety valve 21 Shut off solenoid valve 8 Filter dryer 22 Reheating coil optional 9 Sight glass 24 Check valve 10 Thermostatic expansion valve TXV 25 Condensing regulation water valve 11 Pressure transducer condensing regulation 14 7 Refrigerant TXV and Hydraulic Circuits Fig 14 8 Liebert HPM D1G D2E D3A D3G D4E U O F ao 8 Se LA ee _ ONLY WITH REHEATING COIL OPTION EXTERNAL FOR D1G WATER OUTLET WATER INLET ONLY FOR D1G POS DESCRIPTION POS DESCRIPTION 1 Compressor 14 Reheating solenoid valve optional 2 Crankcase heater 15 Evaporator 3 High pressure switch HP 16 Low pressure switch LP 4 Water cooled condenser 20 Capacity mod solenoid valve 5 Liquid receiver 21 Shut off solenoid valve 6 Access valve 22 Reheating coil optional 7 Safety valve 24 Check valve 8 Filter dryer 25 Condensing regulation water valve 9 Sight glass 29 Minimum pressure switch 10 Thermostatic expansion valve TXV 30 Chilled water coil 11 Pressure transducer condensing regulation 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 34 Chilled water 2 way valve 14 8 Liebert HPM Digit
113. perating conditions fans and compressors or connection of additional devices Liquistat Firestat Smokestat clogged filters are available on the terminal block of the electric board On the terminal block there is also a clean contact for the remote signalling of the general alarm Control system Very simple user interface Immediately intelligible utilization of the control unit system with LCD Net connectivity of several units Possible utilization of the iCom CDL with graphic display Fig 8 c iCom Medium Fig 8 d iCom Large single circuit units double circuit units Outdoor Components Air cooled Condenser DX A D units see Product Documentation of HCH condenser For pipe layout and unit connection see Chap 12 and Service Manual in the unit or surfed on the web Dry Cooler DX W F H units Liebert HPM Digital PD 273560 01 02 2011 8 7 Filter section Standard filters Removable filters installed inside the unit before of fan and heat exchanger Filtration from G4 to F5 CN EN779 respectively corresponding to EU4 and EU5 accoding to Eurovent EU4 5 The folded structure of the filters gives high filtration efficiency and low pressure drop The filter media used consists of synthetic fibre cells The frame is made of cardboard The additional pressure drop in comparison with G4 sdt filters are indicated in Tab 9c HINNE High efficiency filters Optional high effic
114. ption and we can summarized that with two words versatility and efficiency Liebert HPM Digital PD 273560 01 02 2011 1 1 Features and Benefit Heat Exchanger Section Net Sensible Capacity matters Efficiency is a fundamental requirement in all KR J applications today Even more so for technological a applications where the operational costs are by far the most significant consideration Sensible Heat Ratio SHR values of greater than 0 90 are required to reduce to a minimum the energy spent controlling humidity during normal operating conditions Heat exchanger design and a correct air distribution within the unit are two of the most important factors required to achieve optimum performance Liebert HPM units feature a very high coil heat exchanger surface respect the exchanged power SS Using the index frontal Surface x Rows Study of the components of the vector refrigeration Power values of over 100 mm2 W are velocity through the coil vertical speed obtained Sophisticated design and development tools such as Particle Image Velocimetry and Computational Fluid Dynamics are used by Emerson Network Power to identify the best components layout in order to achieve an even and pressure equalised airflow distribution within the unit which optimises the entire coil surface area in the heat exchanging process Easy maintenance Liebert HPM front view All components are easly accessible from the front of the roo
115. rankcase heater 20 Capacity mod solenoid valve 3 High pressure switch HP 21 Shut off solenoid valve 4 Water cooled condenser 22 Reheating coil optional 5 Liquid receiver 23 Temperature sensor for EEV 6 Access valve 24 Check valve for D3F D4H only 7 Safety valve 25 Condensing regulation water valve 8 Filter dryer 27 Head pressure control valve 9 Sight glass 29 Minimum pressure switch 10 Electronic expansion valve EEV 30 Chilled water coil 11 Pressure transducer condensing regulation 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 34 Chilled water 2 way valve 14 Reheating solenoid valve optional 35 Safety thermostat 15 Evaporator 36 Hot gas injection valve antifreeze 16 Low pressure switch LP 37 Hot gas injector Liebert HPM Digital PD 273560 01 02 2011 14 13 Refrigerant 2 EEV ALCO and Hydraulic Circuits Fig 14 14 Liebert HPM D3F D4H DS5D U O D 2 x EEV _ ONLY WITH REHEATING RIGHT SIDE COIL OPTION LEFT SIDE Ee Era Oy gt 1 or P EXTERNAL FOR AN C 7 D d O D Z im WA Foo k ok
116. rt HPM Digital can achieve a continuous spectrum of capacity output ensuring a very tight and precise control on room temperature Liebert HPM Digital can rapidly change from one capacity duty to another Therefore it controls environmental parameters even working with swiftly changing heat loads The modulating capacity range is between 30 and 100 of the nominal capacity even if the compressor could go down to 10 the system control limits the capacity at the 30 to avoid decrease in efficiency Thanks to the capacity modulation we can reduce the starting and stopping the compressor which uses a lot of power and puts a great amount of stress on the components therefore we can enhance efficiency and life of the system With the HPM Digital range we are able to manage unexpected very high ambient temperatures maintaining the system active reducing HP alarm and troublesome stops of the unit Infact when the discharge pressure reaches the limit value the compressor capacity is limited to a fraction of the actual request in this way restricting the heat rejection and allowing the system running without interruptions If after a defined time the condensing pressure comes back within the limit the capacity will be modulated in the usual way Reliability of the Liebert HPM D is also maximized thanks to the fewer system parts and simple electronic controls which reduces as well unit maintenance Digital Scroll motor runs at a constant speed thr
117. ser refrigeration circuit at 2 bar with dry air Note 3 The customer is responsible for making connections between the Unit and the external condenser and for charging with refrigerant standard R410A and oil when request Full instructions for these operations are given in the Service Manual DxxUA Units Liebert HPM Digital PD 273560 01 02 2011 Model Configuration Version W Direct expansion units with water cooled condenser Refrigeration circuit The compressor 1 pumps the hot gaseous refrigerant into a water cooled condenser 2 The liquefied refrigerant arrives to a liquid receiver 3 that ensures a constant and even refrigerant flow to the thermostatic expansion valve 4 and then arrives to the evaporator 5 Here the refrigerant thanks to the heat exchanged with the room air moved by the fan 6 evaporates and returns to the compressor 1 from this the refrigerant begins a new refrigeration cycle Shut off valves are provided as standard to assist with routine maintenance The compressor 1 has a built in non return valve to avoid return of liquid refrigerant from the condenser thus protecting the compressor from undesirable refrigerant slugging during the start up A second non return valve 7 is recommended to avoid refrigerant migration from the liquid pipes and the receiver 3 to the condenser 2 that should be responsible of high pressure intervention at the start up of compressor
118. ted by the user High temperature from 10 C to 50 C low temperature from 0 C to 30 C high relative humidity from 30 to 99 low relative humidity from 10 to 70 Bottom air intake Over models Liebert HPM units can be supplied to permit air intake from below In this case the front panel with intake grille is replaced by a special blind panel which further reduces noise levels Epoxy Coated Coils Remote condensers are available with aluminium fins coated by an epoxy film for aggressive environments 13 2 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant EEV ALCO and Hydraulic Circuits Fig 14 1 Liebert HPM DiE D1G D2E D3A D3G D4E U O A z 2 A Te lt le gt X o KO Gei toi KS Oy IN KO V vc _ 4 ONLY FOR D1E D1G y y S X SUPPLY LIMIT I le EXTERNAL FOR D1E D1G Ch CONDENSING UNIT SUPPLY LIMIT ONLY WITH REHEATING COIL OPTION POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Reheating solenoid valve optional 3 High pressure switch HP 15 Evaporator 4 Air cooled condenser 16 Low pressure switch LP 5 Liquid receiver 18 Pressure transducer for electron
119. ters Ambient temperature 24 C and relative humidity 50 Condensing temperature 45 C The noise levels refer to free field conditions Liebert HPM Digital PD 273560 01 02 2011 7 1 Sound Pressure Level Sound emission spectra The following tables show sound levels for every octave band frequency Tab 7a A W versions and Under configuration MODEL Mode Level Octave band frequency Hz Sound Level 31 5 63 125 250 500 1000 2000 4000 8000 dB A 1 SPL 42 0 42 0 49 54 5 44 8 39 3 36 9 30 1 23 4 48 6 D1EUA W 2 SPL 42 7 42 7 49 6 54 6 45 4 39 4 37 32 3 24 7 48 8 3 PWL 68 2 68 2 74 4 74 3 71 6 66 8 64 62 55 6 73 4 1 SPL 42 2 42 2 48 2 55 3 44 9 39 2 36 6 30 1 23 5 49 0 D1GUA W 2 SPL 42 9 42 9 49 0 55 4 45 5 39 3 36 7 32 3 24 8 49 2 3 PWL 66 3 66 3 72 7 72 4 69 7 64 9 62 1 60 1 53 7 71 5 1 SPL 45 2 45 2 54 7 52 5 45 3 43 2 40 9 34 1 31 0 49 5 D2EUA W 2 SPL 46 1 46 1 55 2 52 7 46 6 43 3 41 0 36 3 31 6 50 0 3 PWL 66 8 66 8 74 3 77 4 70 8 67 8 65 7 63 1 57 8 74 5 1 SPL 53 6 53 6 52 2 56 1 52 2 49 2 48 2 40 9 38 6 55 2 D3AUA W 2 SPL 59 2 59 2 52 6 57 1 52 2 49 2 48 2 40 9 39 2 55 4 3 PWL 74 3 74 3 77 2 81 0 72 9 71 1 69 0 64 3 60 6 77 5 1 SPL 51 0 51 0 53 9 59 8 51 7 49 8 46 9 41 6 34 1 55 9 D3FUA W 2 SPL 56 7 56 7 54 0 60 1 51 7 49 8 46 9 41 6 34 4 56 0 3 PWL 51
120. u vo avupova ue tis o nyies tng E E 2006 42 EC 2004 108 EC 2006 95 EC 97 23 EC Ensuring the High Availability Of Mission Critical Data and Applications Emerson Network Power a business of Emerson NYSE EMR is Locations the global leader in enabling Business Critical Continuity Emerson Network Power Headquarters EMEA from grid to chip for telecommunication networks data centers Via Leonardo Da Vinci 16 18 health care and industrial facilities Emerson Network Power Zona Industriale Tognana provides innovative solutions and expertise in areas including 35028 B E Ge AC and DC power and precision cooling systems embedded M SE 049 5841 257 computing and power integrated racks and enclosures power marketing emea emersonnetworkpower com switching and controls monitoring and connectivity All solutions r rt II local Emerson Network Power servi ae Ser ed g Bees De ae ae gt S SS Via Leonardo Da Vinci 16 18 technicians Liebert power precision cooling and monitoring Zona Industriale Tognana products and services from Emerson Network Power improve the 35028 Piove di Sacco PD Italy utilization and management of data center and network Tel 39 049 9719 111 M i a aaj S Fax 39 049 9719 045 technologies by increasing IT system availability flexibility and service emea emersonnetworkpower com efficiency For more information visit www liebert com www emersonnetworkpower com or United States www
121. ure Control ICOM amp Coldfire Display Large with Temperature and Humidity Control Do WPF WON Digit 11 Reheating System D None G_Hotgas coil W Hot water coil Liebert HPM Digital PD 273560 01 02 2011 10 11 12 16 Digit 5 Version A Air Cooled W Water Cooled F Freecooling D Dualfluid Air Cooled H Dualfluid Water Cooled Digit 4 Air distribution U Downflow O Upflow D Displacement Digit 12 Air Filter Efficiency D G4 1 F5 2 G4 with Clogged Filter Pressure Switch 3 F5 with Clogged Filter Pressure Switch Digit 13 Expansion valve 1 R410A TXV 3 R410A EEV Digit 14 Paint 0 RAL 7035 Colour 1 CHARCOAL GREY Colour 2 BLACK Emerson 7021 Colour Digit 15 On board MCB for Remote Air Condenser 0 NoMCB 1 MCB 6 A single circuit condenser 2 MCB 10 A single circuit condenser Digit 16 Packing P PLP and Pallet C Cardboard and Wooden Crate S Seaworthy Digit 17 Special Requirements D Standard Emerson Network Power X _ Special Emerson Network Power Model Configuration Digital range D as first digit Liebert HPM Dxxxx Digital is the new series of air conditioners developed by Emerson Network Power which are powered by the innovative Copeland s Digital Scroll This series includes units with a rated cooling capacity ranging from 13 to 85 kW Thanks to Digital scroll and electronic expansion valve Liebe
122. utomatic restart is provided after a power failure Sa Tab 10a Technical Data iCom Technical Data iCom Medium iCom Large E2prom 4Mbit 512kbit Flash memory 32Mbit RAM memory space 128Mbit Microcontroller Coldfire 32Mbit Analogue Input 3x 0 1 D ee 2 4x 0 1 WE REES 2 Digital Input 9 x opto coupled 15 x opto coupled Analogue Output 2x 0 10V 4x 0 10V Digital Output 7 triacs output and 2 relay output 15 triacs output and 2 relay output Time and date function buffered by Ll battery Hirobus Lan connectors 2 RJ45 sockets for unit in LAN remote display Ethernet network connectors 1 RJ45 socket CAN bus connectors 2 RJ12 sockets Hironet connectors 1 RJ9 socket for RS485 direct connection to proprietary supervision RS232 service port 1 db9 socket Liebert HPM Digital PD 273560 01 02 2011 10 1 Microprocessor Controls CDL Graphic Display option Featuring a 24h graphic record of controlled parameters as well as the last 200 events occurred A back up battery keeps the data stored in the memory graphic data record alarms Large graphic display 320 x 240 pixel System Window system operation status at a glance Self explanatory Icons they are used for the Menu Layout of the CDL iCom Online Help Every single parameter has its own multi page explanation Evolution Status Report of the latest 200 event messages of the unit system Four differe
123. ve 8 Filter dryer 30 Chilled water coil 9 Sight glass 31 Chilled water 3 way valve 11 Pressure transducer condensing regulation 32 Inlet water thermostat 12 Check valve 33 Manual bleed valve 13 Shut off valve 35 Safety thermostat 14 Hot gas solenoid valve optional 36 Hot gas injection valve 15 Evaporator 38 Minimun pressure switch LP 16 Low pressure switch LP 14 25 Liebert HPM Digital PD 273560 01 02 2011 Refrigerant 2 TXV and Hydraulic Circuits Fig 14 26 Liebert HPM D8F U O A 2xTXV REAR SIDE ONLY WITH REHEATING COIL OPTION FRONT SIDE STANDARD COMPRESSOR SUPPLY LIMIT SUPPLY LIMIT CONDENSING UNIT CONDENSING UNIT POS DESCRIPTION POS DESCRIPTION 1 Compressor 13 Shut off valve 2 Crankcase heater 14 Hot gas solenoid valve optional 3 High pressure switch HP 15 Evaporator 4 Air cooled condenser 16 Low pressure switch LP 5 Liquid receiver 21 Shut off solenoid valve 6 Access valve 22 Reheating coil optional 7 Safety valve 24 Hot gas injection valve 8 Filter dryer 25 On off pressure switch hot gas injection valve 9 Sight glass 26 High pressure transducer HP 12 Check valve 28 Thermostatic expansion valve TXV 14
124. water inlet temperature C 7 T 7 7 7 7 7 7 7 water flow Vs 0 58 0 87 1 52 2 14 2 69 2 14 2 71 2 98 3 99 unit total pressure drop kPa 65 98 121 106 132 105 135 160 61 CHILLED WATER CONTENT Total chilled water internal volume dm3 10 4 12 7 21 1 36 8 45 1 36 2 43 6 44 5 93 0 DIMENSIONS length mm 750 750 1000 1750 1750 1750 1750 1750 2550 depth mm 750 750 850 850 850 850 850 850 890 height mm 1950 1950 1950 1950 1950 1950 1950 1950 1950 footprint m2 0 56 0 56 0 85 1 49 1 49 1 49 1 49 1 49 2 27 WEIGHTS net kg 290 320 510 720 730 725 745 755 1115 Gross std packing see Fig 12 kg 300 330 520 730 740 735 755 765 1125 1 ON THE FOLLOWING STANDARD CONDITIONS Room conditions 24 C bs 50 R H 17 C wb Condensing temperature 45 C mid point EER refers to the indoor unit only Air flow of the units refers to the standard configuration with G4 class filter Note Cooling capacities are gross To obtain the net cooling capacities the fan power input must be substracted 2 Max external static pressure for the indicated air flow 3 Measured in the front part at 1 5 m height 2 m distance referred to free field with fan and compressor in operation Ducted Over unit 4 Measured in the front part at 1 5 m height 2 m distance referred to free field with only fan in operation Ducted Over unit 4 8 Liebert HPM Digital PD 273560 01 02 2011 Technical Data Options further information Cap 8 MODEL D1G D2E D3A D3G D

Indoor Room Cooling Units with Modulating Capacity Liebert HPM

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