Liebert Challenger Plus CP20A U Technical Data Manual
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Liebert Challenger Plus CP20A U Technical Data Manual

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Technical Data
Manual
Challenger
Plus
Liebert
LPN: SLE CP TDM E.1
HPN: 272030 (17/6/99)
Keeping Business in Business

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Summary of Contents for Liebert Challenger Plus CP20A U

  • Page 1 Technical Data Manual Challenger Plus Liebert LPN: SLE CP TDM E.1 HPN: 272030 (17/6/99) Keeping Business in Business...

  • Page 3: Table Of Contents

    Ta ble of Con tents No men cla ture In tro duc tion Stan dard fea tures - all models Stan dard fea tures - DX mod els Stan dard fea tures - chilled wa ter mod els Op tional fea tures - all mod els Air cooled data Water cooled data Air cooled dual source data...

  • Page 5: No Men Cla Ture

    H = Dual Source Water Cooled C = Chilled Water Cooled Model Number: Nominal capacity in kW at 24 C, 50% RH Liebert Challenger Plus Unit The range of mod els is as fol lows: Air Cooled Sin gle Cir cuit CP20A U/D...

  • Page 6: In Tro Duc Tion

    Avail able static pres sure up to 350 Pa, sound emis sion. stan dard con figu ra tion Liebert technology and energy • High COP (Co-efficient Of Performance) • High SHR (Sensible Heat Ratio) efficiency •...
  • Page 7 Challenger Plus - Technical Data Manual In tro duc tion (con tin ued) System types Wa ter/Gly col cooled units Wa ter/Gly col cooled mod els con sist of an evapo ra tor coil, a Air cooled units com pli ant scroll com pres sor, high and low pres sure switches, an ex ter nally equal ised, ad just able, ther mo static Air cooled mod els con sist of an evapo ra tor coil, a com pli ant ex pan sion valve, serv ice ports, re frig er ant line sight glass,...
  • Page 8 Challenger Plus - Technical Data Manual In tro duc tion (con tin ued) Freecooling units space di rectly us ing the Free cool ing coil. This tem pera ture is the ZET or Zero En ergy Tem pera ture. Freecooling mod els con sist of an evapo ra tor coil, a Dual source air cooled com pli ant scroll com pres sor, high and low pres sure switches, an ex ter nally equal ised, ad just able, ther mo static...
  • Page 9 Challenger Plus - Technical Data Manual In tro duc tion (con tin ued) Dual source water/glycol cooled DX Op era tion The units op er ate with mains wa ter, cool ing tower wa ter or Dual Source Wa ter/Gly col cooled mod els con sist of an wa ter in a closed cir cuit with an ex ter nal drycooler.

  • Page 10: Stan Dard Fea Tures - All Models

    Challenger Plus - Technical Data Manual Stan dard fea tures - all sys tems Air distribution Access/Maintenance All units in the range are avail able in three con figu ra tions, Rou tine main te nance ac cess to re frig er ant cir cuit Down flow, Up flow Front Re turn and Up flow Bot tom com po nents, com pres sor, liq uid re ceiver, ther mal ex pan sion Re turn, re fer to Fig ure 7.
  • Page 11 Challenger Plus - Technical Data Manual Stan dard fea tures - all sys tems (con tin ued) Fil tra tion The fol low ing alarms are stan dard: • High temperature • Low temperature The air fil ter is made of syn thetic fi ber cells in a card board •...
  • Page 12 Liebert does not accept responsibility for any damage caused The unit con trol ler moni tors the con di tion of the steam by improper use of the product.

  • Page 13: Stan Dard Fea Tures - Dx Mod Els

    Challenger Plus - Technical Data Manual Stan dard fea tures - DX sys tems (con tin ued) Refrigerant circuit • Rubber mounting to ensure reduced compressor noise and vibration. • IP54 pro tec tion Units are avail able as sin gle and dual cir cuit. The cir cuit(s) con sist of a com pres sor, a ther mal ex pan sion valve, a liq uid Schrae der con nec tions are fit ted to the unit for serv ice line sight glass, a fil ter dryer, an evapo ra tor coil, a liq uid...
  • Page 14 Challenger Plus - Technical Data Manual Stan dard fea tures - DX mod els (con tin ued) Air cooled only Drycooler A dry cooler can be sup plied, if re quired. Full de tails of all dry cool ers are avail able in the Dry cooler Tech ni cal Data Liquid receiver Man ual, P/N SLE DC TDM.
  • Page 15 Challenger Plus - Technical Data Manual Stan dard fea tures - DX mod els (con tin ued) Outdoor operating range (Air cooled - A, D) Lower limit -20°C with fan speed con trol in stalled in the con denser. Upper limit This is de ter mined by the ca pac ity of the con denser cou pled to the unit (at the rele vant out door am bi ent).

  • Page 16: Stan Dard Fea Tures - Chilled Water Mod Els

    Challenger Plus - Technical Data Manual Stan dard fea tures - chilled water mod els Cooling coil Operating limits The large face area/low face ve loc ity, deep wave fin coil Chal lenger Plus chilled wa ter units are de signed for al lows pre cise con trol of tem pera ture and hu mid ity dur ing op era tion within the fol low ing work ing lim its (the lim its are cool ing and de hu midi fi ca tion, and is de signed to op ti mize...

  • Page 17: Op Tional Fea Tures - All Mod Els

    Challenger Plus - Technical Data Manual Op tional fea tures - all mod els Hot gas reheat Non-return valves (models A and D) Chal lenger Plus can be sup plied with a hot gas re heat coil if Re frig er ant non- return valves for air- cooled units are re quired.
  • Page 18 Challenger Plus - Technical Data Manual Op tional fea tures - all mod els (con tin ued) Fresh air kit Filter clog switch The fresh air in take kit is rec om mended for use where the An ad just able dif fer en tial pres sure switch can be fit ted to con di tioned space is con tinu ously occupied.
  • Page 19 Challenger Plus - Technical Data Manual Op tional fea tures - all mod els (con tin ued) Base module - upflow units only A 200mm base mod ule can be sup plied on re quest to sup port up flow Chal lenger Plus units. The mod ule is used when cus tomer con nec tions must be made through the base of the unit, but no false floor is avail able.
  • Page 20 Challenger Plus - Technical Data Manual Op tional fea tures - all mod els (con tin ued) Plenum Condensate pump An in take/sup ply ple num is avail able for con nec tion be tween A con den sate drain pump can be sup plied if re quired. The the unit and a false ceil ing.
  • Page 21 Challenger Plus - Technical Data Manual Op tional fea tures - all mod els (con tin ued) Hiromatic graphic The Hi ro matic Graphic can be sup plied in stalled in a unit, or in kit form for in stal la tion in a re mote con trol panel. BEMS Interface The Hi ro matic Graph ic is a purpose- designed con trol sys tem for pre ci sion air- conditioning.

  • Page 22: Air Cooled Data

    WEIGHTS Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. At the following standard conditions: 24°C db; 50% R.H. (17°C wb) - condensing temperature: 49°C. Power Supply Voltage 400/3/50, 20Pa ESP (External Static Pressure) Max available ESP at quoted airflow Measured in front of the unit at 1m height, 2 m distance, in the free field, fan and compressor running, 20Pa ESP.
  • Page 23 WEIGHTS Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. At the following standard conditions: 24°C db; 50% R.H. (17°C wb) - condensing temperature: 49°C. Power Supply Voltage 400/3/50, 50Pa ESP (External Static Pressure) Max available ESP at quoted airflow Measured in front of the unit at 1m height, 2 m distance, in the free field, fan and compressor running, 50Pa ESP.

  • Page 24: Water Cooled Data

    WEIGHTS Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. At the following standard conditions: 24°C db; 50% R.H. (17°C wb), Power Supply Voltage 400/3/50, 20Pa ESP (External Static Pressure).
  • Page 25 WEIGHTS Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. At the following standard conditions: 24°C db; 50% R.H. (17°C wb), Power Supply Voltage 400/3/50, 50Pa ESP (External Static Pressure) Max available ESP at quoted airflow Measured in front of the unit at 1m height, 2 m distance, in the free field, fan and compressor running, 50Pa ESP.

  • Page 26: Air Cooled Dual Source Data

    Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. At the following standard conditions: 24°C db; 50% R.H. (17°C wb) - condensing temperature: 49°C, Power Supply Voltage 400/3/50, 20Pa ESP (External...
  • Page 27 WEIGHTS Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. At the following standard conditions: 24°C db; 50% R.H. (17°C wb) - condensing temperature: 49°C. Power Supply Voltage 400/3/50, 50Pa ESP (External Static Pressure) Max available ESP at quoted airflow Measured in front of the unit at 1m height, 2 m distance, in the free field, fan and compressor running, 50Pa ESP.

  • Page 28: Water Cooled Dual Source Data

    Challenger Plus - Technical Data Manual Wa ter cooled dual source data - down flow units (R407C) MODEL CP20HD CP24HD CP28HD CP34HD CP40HD CP26HD CP32HD CP42HD CP46HD Re frig er ant Cir cuit Sin gle Dou ble PER FORM ANCE WITH ME CHANI CAL COOL ING Air Flow 5570 6280...
  • Page 29 Challenger Plus - Technical Data Manual Wa ter cooled dual source data - up flow units (R407C) MODEL CP20HU CP24HU CP28HU CP34HU CP40HU CP26HU CP32HU CP42HU CP46HU Re frig er ant Cir cuit Sin gle Dou ble PER FORM ANCE WITH ME CHANI CAL COOL ING Air Flow 5640 6350...

  • Page 30: Free Cool Ing Data

    WEIGHTS Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. At the following standard conditions: 24°C db; 50% R.H. (17°C wb), Power Supply Voltage 400/3/50, 20Pa ESP (External Static Pressure).
  • Page 31 Gross R22 Capacities are approximately the same as R407C capacities + 5%. Consult Liebert Applications Engineers for specific details. 1 At the following standard conditions: 24°C db; 50% R.H. (17°C wb), Power Supply Voltage 400/3/50, 50Pa ESP (External Static Pressure).

  • Page 32: Chilled Wa Ter Cooled Data

    Challenger Plus - Technical Data Manual Chilled wa ter cooled data - down flow units MODEL CP25CD CP35CD CP50CD CP60CD CP70CD CP75CD Cooling Cir cuit Single Single Single Single Single Single PER FORM ANCE Air Flow /h 8000 7200 6400 7900 7110 6180 15000 13500 11800 14800 13300 11500 14540 13040 11300 14200 12700 11000 Avail able ESP Fan Power Absorbed Fan Cur rent Ab sorbed...
  • Page 33 Challenger Plus - Technical Data Manual Chilled wa ter cooled data - upflow units MODEL CP25CU CP35CU CP50CU CP60CU CP70CU CP75CU Cool ing Circuit Sin gle Single Single Single Single Single PER FORM ANCES Air Flow /h 8500 8000 7000 8100 7300 6350 14400 12900 11200 14000 12600 10900 14000 12600 10900 13300 12000 10360 Avail able ESP Fan Power Absorbed Fan Cur rent Ab sorbed...

  • Page 34: Con Denser Match Ing Ta Bles

    C/50%RH, stan dard air flow. Indoor unit capacity decreases with increasing condensing temperature, consult Liebert Applications Engineers for specific capacity details. Note : For higher am bi ent ap pli ca tions, please con sult your lo cal Lie bert rep re sen ta tive.

  • Page 35: Chilled Wa Ter Data - All Mod Els

    Challenger Plus - Technical Data Manual Chilled Wa ter data - all units Influence of glycol concentration on the cooling capacity of Challenger Plus units The presence of glycol mixed with water, as the thermal carrier fluid, reduces the cooling capacity of the unit. This capacity reduction differs depending on the glycol percentage and the return air temperature.

  • Page 36: Elec Tri Cal Data - All Mod Els

    Challenger Plus - Technical Data Manual Elec tri cal data - all mod els Com pres sor (R407C) 400V/3ph/50Hz 400V/3ph/50Hz Model Power Power CP20A D 17.5 0.98 11.1 10.8 70.5 CP24A D 17.5 11.8 CP28A D 2 x 4.1 2 x 4.8 2 x 17.5 14.7 18.5...
  • Page 37 Challenger Plus - Technical Data Manual Elec tri cal data - all mod els (con tin ued) Com pres sor (R407C) 400V/3ph/50Hz 400V/3ph/50Hz Model Power Power CP20W D 17.5 0.98 10.3 10.8 70.5 CP24W D 17.5 10.4 CP28W D 2 x 4.5 2 x 4.8 2 x 17.5 12.8...
  • Page 38 Challenger Plus - Technical Data Manual Elec tri cal data - all mod els (con tin ued) Com pres sor (R407C) 400V/3ph/50Hz 400V/3ph/50Hz Model Power Power CP20F D 17.5 11.3 10.8 70.5 CP24F D 17.5 12.7 CP28F D 2 x 4.2 2 x 4.8 2 x 17.5 16.3...
  • Page 39 Challenger Plus - Technical Data Manual Elec tri cal data - all mod els (con tin ued) Model 400V/3ph/50Hz Nomi nal Power (ESP*) CP25C D 150Pa 17.5 CP25C D 250Pa 17.5 CP25C D 350Pa 17.5 CP35C D 150Pa 17.5 CP35C D 250Pa 17.5 CP35C D 350Pa 17.5...
  • Page 40 Challenger Plus - Technical Data Manual Elec tri cal data - all mod els (con tin ued) MODEL COM PO NENT NOMINAL POWER (kW) (400/3/50) Elec tric Heat ing 5.85 CP20A/W/F/D/H CP24A/W/F/D/H Hu midi fier Up flow & Downflow 15.5 Elec tric Heat ing CP25C 5.85...

  • Page 41: Sound Data - All Mod Els

    Challenger Plus - Technical Data Manual Sound data - all mod els OC TAVE BAND FRE QUENCY (Hz) - DOWN FLOW MODELS Sound Pres sure Model Mode Level Lev els 31.5 1000 2000 4000 8000 dB (A) 50.8 57.3 57.3 61.1 54.7 42.1...
  • Page 42 Challenger Plus - Technical Data Manual Sound data - all mod els (con tin ued) OC TAVE BAND FRE QUENCY (Hz) - UP FLOW MODELS Sound Pres sure Model Mode Levels Lev els 31.5 1000 2000 4000 8000 dB(A) 52.2 57.8 57.8 55.5...

  • Page 43: Tech Ni Cal Data - Op Tional Com Po Nents

    Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents Hot gas re heat for models A/W/F/D/H Mod els CP20 CP24 CP26 CP28 CP32 CP34 CP40 CP42 CP46 No. of Rows Sur face Area m 0.432 0.432 0.882...
  • Page 44 Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents (con tin ued) Hot wa ter re heat per form ance (DX Units) Up flow Models CP20 CP24 CP26 CP28 CP32 CP34 CP40 CP42 CP46 A/W/F/D/H No.
  • Page 45 Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents (con tin ued) Hot wa ter re heat per form ance (Chilled Wa ter Units) Up flow Mod els CP25C CP35C CP50C CP60C CP70C CP75C Max ESP (Pa) 150 250 350 150 250 350 150 250 350 150 250 350 150 250 350 150 250 350...
  • Page 46 Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents (con tin ued) Ad di tional pres sure drops due to re heat coils The pressure drops shown in the graphs below must be deducted from the available heads. HOT WATER AND HOT GAS REHEAT COILS FOR MODELS CP 26 TO CP46A/W/F/D/H &...
  • Page 47 Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents (con tin ued) High ef fi ciency fil ters EU5 Eu rov ent 4/5 Class (CEN Fil ter Class CEN EN 779) (G5) Fil ter quan tity per unit CP20/CP24 A/W/F/D/H CP 25/CP35C Fil ter quan tity per unit...
  • Page 48 Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents (con tin ued) High ef fi ciency fil ters EU6, EU7 and EU8 Eu rov ent 4/5 Class (CEN Fil ter Class CEN EN 779) (G6) (G7) (G8)
  • Page 49 Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents (con tin ued) Fil ter hold ing duct (for mod els with 290mm fil ters) CP20/CP24 A/W/F/D/H Models All other Models CP25/CP35C Length (mm) 1000 1750 Depth (mm)
  • Page 50 Challenger Plus - Technical Data Manual Tech ni cal Data - op tional com po nents (con tin ued) Com bi na tion of accessories SLE CP TDM E.1 (06/99)

  • Page 51: Di Men Sional Data - All Mod Els

    Challenger Plus - Technical Data Manual Di men sional Data - all mod els SLE CP TDM E.1 (06/99)
  • Page 54 ® All rights reserved throughout the world. Specifications subject to change without notice. Liebert and the logo, are While every precaution has been taken to ensure accuracy and completeness in this manual, Liebert registered trademarks of Liebert Corporation. assumes no responsibility and disclaims all liability for damages resulting from the use of the Printed in England.

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