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CWW/TTH 1701-1÷6606-1

A CLASS ENERGY EFFICIENCY WATERCOOLED LIQUID CHILLERS WITH TURBOCOR (MAGNETIC LEVITATION) COMPRESSORS AND FLOODED SHELL AND TUBE EXCHANGERS FOR COOLING TOWER OPERATION

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The innovative CWW/TTH 1701-1÷6606-1 units for cooling tower operation, featuring A CLASS energy efficiency and HFO-R1234ze refrigerant, are designed to provide an effective solution to highly selective system needs. The latest generation refrigerant HFO-R1234ze, with GWP<1 (Global warming Potential), is the most environmentally sustainable refrigerant on the market, and meets the strictest international environmental regulations. Furthermore, thanks to Turbocor compressors, the units perform with top efficiency at partial loads, low inrush currents, an excellent silent functioning and reduced weight.
Using TURBOCOR dynamic partial-load oil-free magnetic levitation compressors, managed by the TURBOSOFT self-adaptive electronic control and flooded shell and tube evaporators, provide high energy performance, with unbeatable SEER values, with minimum water content, and an excellent silent functioning. Compared to traditional Screw compressor units, units have low operational costs during their entire use, with a savings that can even reach 50%.
The units are compliant to the 2021 ErP Regulation.

Versions

  • CWW/TTH - Cooling only for cooling tower

Power range

  • 321-1922 kW
  • 91.0-547 Ton

Features

  • Structure with supporting frame, made of galvanised sheet metal with additional protection provided by polyester powder coating.
  • Semi-hermetic centrifugal compressors with dual Turbocor turbine, oil free, magnetic rising rotor, thermal protection, continuous capacity adjustment system thanks to built-in INVERTER, automatic anti-cavitation system. The power circuit of the compressor is fitted with a set of electrolytic condensers to control the rising in the event of a power failure, reactor for the power factor correction, EMI filter for electromagnetic compatibility.
  • Shell and tube type condenser, with easily removable cast iron heads to enable access for maintenance operations.
  • High efficiency flooded shell and tube type evaporator, with one circuit on the refrigerant side and one on the water side, complete with water differential pressure switch.
  • Cooling circuit shut-off valves on suction, discharge and liquid line.
  • Electronic expansion valve.
  • Electronic high and low pressure gauges.
  • HFO-R1234ze refrigerant.
  • Electrical board includes: main on-off switch with door lock, fuses, electronic/digital overload device to protect the compressors, interface relay and terminals for external connections.
  • TURBOSOFT control and regulation system, equipped with RS485 serial interface, can be supplied with an optional Web Monitoring device for remote monitoring via GPRS/EDGE/3G/TCP-IP network.

Factory fitted accessories

  • IM Automatic circuit breakers
  • HR Desuperheater
  • HRT Total heat recovery
  • FE Antifreeze heater for evaporator
  • TS Touch Screen Interface
  • WM Web Monitoring - Wireless remote monitoring (GPRS/EDGE/3G/TCP-IP)
  • IST Modbus TCP/IP protocol, Ethernet port
  • ISB BACnet MSTP protocol, RS485 serial interface
  • ISBT BACnet IP protocol, Ethernet port
  • ISS SNMP protocol, Ethernet port
  • IAV Remote set-point, 0-10V signal
  • IAA Remote set-point, 4-20mA signal
  • IAS Remote signal for second set-point activation
  • IDL Demand limit from digital input
  • CP Potential free contacts
  • IVV 0-10V signal for the management of the electronic pressostatic valve source side
  • MN High and low pressure gauges

Loose accessories

  • CR Remote control panel
  • AG Rubber shock absorbers
  • AM Spring shock absorbers
  • FL Flow switch
1701-12202-13303-14404-15505-16606-1
CoolingCooling capacity (1)kW321639958127916011922
Absorbed power (1)kW54108162216271325
EER (1)5,945,925,915,925,915,91
Cooling (EN14511)Cooling capacity (1)kW320637955127615951916
Absorbed power (1)kW56110165220277331
EER (1)5,715,795,795,805,765,79
SEER (2)8,558,678,839,539,759,77
Energy Efficiency (2)%334339345373382383
CompressorQuantity123456
Refrigerant circuits111111
Capacity stepsSteplessSteplessSteplessSteplessSteplessStepless
EvaporatorWater flowl/s15,3430,5345,7761,1176,4991,83
Pressure dropskPa454645345250
Water connectionsDN100125150150200200
CondenserWater flowl/s17,9335,6953,5171,4389,44107
Pressure dropskPa495049505552
Water connectionsDN100125150150200200
Electrical characteristicsPower supplyV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50
Max. running currentA150300450600750900
Max. starting currentA5155305455605755
Sound pressureSTD version (3)dB(A)727476767778
WeightsTransport weightkg1798283739246408774111474
Operating weightkg1930310043407120878013140

Dimensions

1701-12202-13303-14404-15505-16606-1
LSTDmm340034003450455055006500
WSTDmm110011501800180018001800
HSTDmm180019502050210021002150

Notes

  • 1 Chilled water from 12 to 7 °C, water temperature at the condenser from 30 to 35 °C.
  • 2 Seasonal energy efficiency of cooling at low temperature. According to EU Regulation n. 2016/2281.
  • 3 Sound pressure level measured in free field conditions at 1 m from the unit. According to ISO 3744.