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CHA-M/K 181÷522

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

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The liquid Chillers and Heat Pumps of CHA-M/K 181÷522 HYDROPLUS series, with R410A refrigerant, are designed for medium-sized service sector or industrial ambients.
They are used, combined with Fan Coil units, for the air conditioning of the rooms or to remove the heat developed during industrial processes. They can be supplied with Modbus RTU protocol through RS485 serial interface.
Equipped with axial fans, Scroll compressors and shell and tube exchanger, these units can be completed by a hydraulic circuit with AQUALOGIK technology.
The AQUALOGIK smart control system optimises the water set point and modulates the power supply voltage of the pump and the fans, thus making the use of the inertial tank superfluous. This obtains high energy efficiency, quiet operation and optimised dimensions and costs.
A wide range of accessories, factory fitted or supplied separately, complete the outstanding versatility and functionality of the series.

Versiones

  • CHA-M/K - Cooling only
  • CHA-M/K/WP - Reversible Heat Pump
  • CHA-M/K/ST - Cooling only with AQUALOGIK technology
  • CHA-M/SZ/K/WP/ST - Reversible Heat Pump with AQUALOGIK technology

Power range

  • 53,0-155 kW
  • 15,0-44,0 Ton

Características

  • Structure with supporting frame, made of galvanised sheet metal with additional protection provided by polyester powder coating.
  • Scroll compressors with oil sight glass, internal overheat protection and crankcase heater.
  • Axial fans directly coupled to an electric motor with external rotor.
  • Condenser made of copper tubes and aluminium finned coil.
  • Shell and tube type evaporator, with one circuit on the refrigerant side and one on the water side.
  • R410A refrigerant.
  • Electrical board includes: main switch with door safety interlock, protection modules, overload protection for compressors and thermocontacts for fans.
  • On ST versions water circuit includes INVERTER circulating pump, safety valve and expansion vessel.
  • On ST versions Condensing Control is included: electronic proportional device that ensures efficient and continuous functioning of the unit with outside air temperature down to –20 °C in cooling mode. It also allows to reduce the sound level especially at night. It consists of a fans speed controller with continuous speed regulation, an high/low pressure transducer on cooling circuit and an electrical heater on electrical board.
  • Microprocessor control and regulation system (with AQUALOGIK technology on ST versions).

Accesorios montados en fábrica

  • SL Silenciamiento unidad
  • CT Control de condensación hasta 0 ° C
  • BT Dispositivo para funcionamiento a baja temperatura del agua
  • HT Funcionamiento con agua a alta temperatura 13/18°C
  • HRT/S Recuperador de calor total en serie
  • TX Batería con aletas prebarnizadas
  • SI Depósito de inercia
  • IS Protocolo Modbus RTU, interfaz serial RS485

Accesorios suministrados por separado

  • MN Manómetros de alta y baja presión
  • CR Control remoto
  • RP Mallas de protección baterías
  • AG Antivibratorios de caucho
  • FL Flujostato
181241301392522
RefrigeraciónPotencia frigorífica (1)kW53,165,186,4125155
Potencia absorbida (1)kW17,922,429,244,859,3
EER (1)2,972,912,962,792,61
Refrigeración (EN14511)Potencia frigorífica (1)kW52,864,685,9124154
Potencia absorbida (1)kW18,222,929,745,560,2
EER (1)2,902,822,892,732,56
CalefacciónPotencia térmica (2)kW59,373,993,8138168
Potencia absorbida (2)kW19,224,130,445,357,2
COP (2)3,093,073,093,052,94
Calefacción (EN14511)Potencia térmica (2)kW59,774,594,4139169
Potencia absorbida (2)kW19,624,931,246,859,1
COP (2)3,052,993,032,972,86
CompresorCantidad11122
Circuitos frigorifícos11111
Etapas de parcialización11122
EvaporadorCaudal de agual/s2,543,114,135,977,41
Pérdidas de cargakPa3555455562
Conexiones hidráulicas"G1 ½"2"2 ½"3"3"
Características eléctricasAlimentaciónV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50
Corriente máx. funcionamientoA435267103127
Corriente máx. de arranqueA219264328316387
Características eléctricas (versiónes ST)AlimentaciónV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50
Corriente máx. funcionamientoA455470108132
Corriente máx. de arranqueA221266331321392
Unidad versiónes STCaudal de agual/s2,543,114,135,977,41
Potencia nominal bombakW0,750,751,101,851,85
Presión estática útil bombakPa12510013011590
Vaso de expansiónl1212121212
Conexiones hidráulicas"G2 ½"2 ½"2 ½"2 ½"2 ½"
Presión sonoraVersiónes STD y ST (3)dB(A)5959616363
Con accesorio SL (3)dB(A)5757596161
PesosPeso de transportekg6116497649261026
Peso en funcionamientokg6306707909601060
Pesos (versiónes ST)Peso de transportekg6266647799461046
Peso en funcionamientokg6456858059801080

Dimensions

181241301392522
LSTDmm23502350235023502350
WSTDmm11001100110011001100
HSTDmm19201920192022202220

Notas

  • 1 Agua refrigerada de 12 a 7 °C, temperatura del aire exterior 35 °C.
  • 2 Agua calentada de 40 a 45 °C, temperatura del aire exterior 7 °C b.s./6 °C b.h.
  • 3 Nivel de presión sonora medida en campo libre a 1 m de la unidad conforme a ISO 3744.
  • N.B. (1) Los pesos de las versiónes WP se indican en el manual técnico.