CHA-M/SZ/Y 1202÷2003

Home Clint Products AIRCOOLED LIQUID CHILLERS AND HEAT PUMPS WITH AXIAL FANS. Aircooled liquid Chillers and Heat Pumps CHA-M/SZ/Y 1202÷2003
CHA-M/SZ/Y 1202÷2003
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CHA-M/SZ/Y 1202÷2003

Aircooled liquid Chillers and Heat Pumps with axial fans, Screw compressors and shell and tube exchanger

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The liquid Chillers and Heat Pumps of CHA-M/SZ/Y 1202÷2002 ENERGYMAX series, with R134a refrigerant, are designed for large service sector or industrial-type ambients. They are used, in combination with terminal units, for the air conditioning of the rooms or to remove the heat developed during industrial processes.
They are equipped with axial fans, Screw compressors and shell and tube exchanger. The use of large size condensing coils, together with fans with high unit efficiency, as well as the optimization of the hydraulic and cooling circuit and the use of latest generation Screw compressors, combined with a suitable sizing of the user system, allows to obtain high efficiency during operation with remarkably reduced energy consumption.
A wide range of accessories, factory fitted or supplied separately, complete the outstanding versatility and functionality of the series.
 
The units feature 460V power supply and 60Hz frequency.

Versions

  • CHA-M/SZ/Y - Cooling only
  • CHA-M/SZ/Y/WP - Reversible Heat Pump

Power range

  • 237-478 kW
  • 67.0-136 Ton

Features

  • Structure with supporting frame, made of galvanised sheet metal with additional protection provided by polyester powder coating.
  • Screw compressors with built-in oil separator, suction filter, crankcase heater, oil sight glass, thermal protection, hot gas shut off valves and capacity steps.
  • Axial fans directly coupled to an electric motor with external rotor.
  • Condenser made of copper tubes and aluminium finned coils.
  • Shell and tube type evaporator, with two independent circuits on the refrigerant side and one on the water side.
  • Electronic expansion valve.
  • R134a refrigerant.
  • Electrical board includes: main switch with door safety interlock, protection modules, overload protection for compressors and thermocontacts for fans.
  • Electronic proportional device to decrease the sound level, with a step regulation of the fans.
  • Condensing control included allows to reach up to 0°C external air temperature.
  • Microprocessor control and regulation system.

Factory fitted accessories

  • RZ Compressors stepless control
  • BT Low water temperature kit
  • HR Desuperheater
  • HRT/S Total heat recovery in series
  • TX Coil with pre-coated fins
  • FE Antifreeze heater for evaporator
  • II Inverter on one compressor and soft start for other compressors
  • ID Inverter on all compressors
  • SS Soft start
  • WM Web Monitoring - Wireless remote monitoring (GPRS/EDGE/3G/TCP-IP)
  • AD Air section divider
  • IS Modbus RTU protocol, RS485 serial interface
  • CP Potential free contacts

Loose accessories

  • MN High and low pressure gauges
  • CR Remote control panel
  • AM Spring shock absorbers
  • RP Coils protection metallic guards
  • AG Rubber shock absorbers
  • FL Flow switch
120213021502170219022002
CoolingCooling capacity (1)kW237272309363416478
Absorbed power (1)kW84,498,4109129150181
HeatingHeating capacity (2)kW268298344398460533
Absorbed power (2)kW87,698,6111129147176
CompressorQuantityn°222222
Refrigerant circuitsn°222222
Capacity stepsn°666666
EvaporatorWater flowl/s11,3213,0014,7617,3419,8822,84
Pressure dropskPa444652655259
Water connectionsDN100100100100100100
Electrical characteristicsPower supplyV/Ph/Hz460/3/60460/3/60460/3/60460/3/60460/3/60460/3/60
Max. running currentA184217242290316377
Max. starting currentA241323335386450531
Sound pressureSTD version (3)dB(A)767675777777
WeightsTransport weightkg242627853021319734303848
Operating weightkg259029453220338536204170

Dimensions

120213021502170219022002
LSTDmm280028003900390039003900
WSTDmm220022002200220022002200
HSTDmm210021002100210021002100

Notes

  • 1 Chilled water from 12 to 7 °C, ambient air temperature 35 °C.
  • 2 Heated water from 40 to 45 °C, ambient air temperature 7 °C d.b./6 °C w.b.
  • 3 Sound pressure level measured in free field conditions at 1 m from the unit. According to ISO 3744.
  • N.B. (1) Weights of WP versions are specified on technical brochure.