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CHA/IK/A 172-P÷574-P
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CHA/IK/A 172-P÷574-P

High efficiency air cooled liquid Chillers and Heat Pumps with axial fans, Inverter Scroll compressors and plate exchanger

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  • Fan: Axial, EC axial
  • Compressor: Inverter Scroll
  • Refrigerant: R410A, R452B, R454B
  • Hőcserélő: Plate

The units are compliant to the ErP Regulation.
On request, units can be supplied with R452B or R454B refrigerant.

Versions

  • CHA/IK/A - Cooling only
  • CHA/IK/A/MC - Cooling only with MICROCHANNEL condensing coil
  • CHA/IK/A/WP - Reversible Heat Pump
  • CHA/IK/A/SSL - Super silenced cooling only
  • CHA/IK/A/MC/SSL - Super silenced cooling only with MICROCHANNEL condensing coil
  • CHA/IK/A/WP/SSL - Super silenced reversible Heat Pump

Power range

  • 50,0-179 kW
  • 14,0-51,0 Ton

Features

  • Structure with supporting frame, made of galvanised sheet metal with additional protection provided by polyester powder coating.
  • DC INVERTER Scroll and ON-OFF 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 tube and aluminum finned coil or aluminium MICROCHANNEL coil.
  • Evaporator AISI 316 stainless steel braze welded plates type with one circuit on the refrigerant side and one on the water side in 172-P÷372-P models; with two independent circuits on the refrigerant side and one on the water side in 484-P÷574-P models, complete with water differential pressure switch. On the Heat Pump units it is always installed an antifreeze heater.
  • Electronic expansion valve.
  • Electronic high and low pressure gauges.
  • 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.
  • 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, high and low pressure transducers on cooling circuit and an electrical heater on electrical board.
  • Functioning in heating mode with outside air temperature down to -15 °C.
  • 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
  • BT Low water temperature kit
  • EC EC Inverter fans
  • ECH EC Inverter fans with high available static pressure
  • DS Desuperheater
  • HRT/P Total heat recovery in parallel
  • TX Coil with pre-coated fins
  • TXB Coil with epoxy treatment
  • PS Single circulating pump
  • PSI Inverter single circulating pump
  • PD Double circulating pump
  • PDI 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
  • FX Antifreeze heater for evaporator and pipes
  • FZ Antifreeze heater for evaporator, single pump and pipes
  • FH Antifreeze heater for evaporator, double pump and pipes
  • FU Antifreeze heater for evaporator, tank, single pump and pipes
  • FD Antifreeze heater for evaporator, tank, double pump and pipes
  • IS Modbus RTU protocol, RS485 serial interface
  • IST Modbus TCP/IP protocol, Ethernet port
  • ISBT BACnet IP protocol, Ethernet port
  • ISB1 BACnet MSTP protocol, RS485 serial interface, BTL certified
  • ISBT1 BACnet IP protocol, Ethernet port, BTL certified
  • ISS SNMP protocol, Ethernet port
  • MTS Master/Slave Network Management
  • 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
  • RP Coils protection metallic guards
  • AG Rubber shock absorbers
  • AM Spring shock absorbers