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CHA/K 182÷604
clint AQUAPLUS.pdf

CHA/K 182÷604

Air cooled 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 the CHA/K 182÷604 series, with R410A refrigerant, are designed for medium-sized service sector or industrial ambients.

On request, units can be supplied with R452B or R454B refrigerant.

Versions

  • CHA/K - Cooling only
  • CHA/K/WP - Reversible Heat Pump
  • CHA/K/SSL - Super silenced cooling only
  • CHA/K/WP/SSL - Super silenced reversible Heat Pump

Power range

  • 49,0-179 kW
  • 14,0-51,0 Ton

Features

  • 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 in 182÷453 models; with two independent circuits on the refrigerant side and one on the water side in 524÷604 models, complete with water differential pressure switch.
  • R410A refrigerant. On request R452B or R454B refrigerant.
  • Electrical board includes: main switch with door safety interlock, fuses, thermal protection relays for compressors and thermocontacts for fans.
  • Microprocessor control and regulation system.

Factory fitted accessories

  • IM Automatic circuit breakers
  • RE Adjustable minimum/maximum voltage and phase control relay
  • SL Unit silencement
  • RFM Cooling circuit shut-off valve on discharge line
  • RFL Cooling circuit shut-off valve on liquid line
  • CT Condensing control down to 0 °C
  • CC Condensing control down to -20 °C
  • BT Low water temperature kit
  • EC EC Inverter fans
  • ECH EC Inverter fans with high available static pressure
  • HR Desuperheater
  • HRT/S Total heat recovery in series
  • TX Coil with pre-coated fins
  • EW External water connections
  • SP Inertial tank
  • PU Single circulating pump
  • PUI Inverter single circulating pump
  • PD Double circulating pump
  • PDI Inverter double circulating pump
  • SPU Inertial tank and single circulating pump
  • SPUI Inertial tank and Inverter single circulating pump
  • SPD Inertial tank and double circulating pump
  • SPDI Inertial tank and Inverter double circulating pump
  • GS Single circulating pump gasket for glycol >30%
  • GD Double circulating pump gaskets for glycol >30%
  • FE Antifreeze heater for evaporator
  • FB Antifreeze heater for evaporator/tank
  • SS Soft start
  • IS Modbus RTU protocol, RS485 serial interface
  • 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
  • MN High and low pressure gauges

Loose accessories

  • CR Remote control panel
  • SQC Sequencer. Option to be compulsorily combined with just one unit in the network.
  • RP Coils protection metallic guards
  • AG Rubber shock absorbers
  • AM Spring shock absorbers
  • FL Flow switch