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CHA/K/A/WP 182-P÷604-P

A CLASS energy efficiency aircooled reversible Heat Pumps with axial fans, Scroll compressors and plate exchanger

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The reversible Heat Pumps of the CHA/K/A/WP 182-P÷604-P series, with R410A refrigerant, are designed for medium-sized service sector or industrial ambients and feature A CLASS energy efficiency.
They are used, combined with terminal units, for the heating or air conditioning of the rooms and are supplied with Modbus RTU protocol through RS485 serial interface.
Equipped with axial fans, Scroll compressors and plate exchanger, even in the super silent version, these units can be completed by a hydraulic circuit with tank, with pump, with tank and pump or 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.
Are available as option the new EC Inverter fans with high available static pressure and efficiency for indoor ducted installation.
The units are designed for hot water production up to 55°C.
The units are compliant to the ErP Regulation.

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

Versions

  • CHA/K/A/WP - Reversible Heat Pump
  • CHA/K/A/WP/SSL - Super silenced reversible Heat Pump
  • CHA/K/A/WP/ST - Reversible Heat Pump with AQUALOGIK technology
  • CHA/K/A/WP/SSL/ST - Super silenced reversible Heat Pump with AQUALOGIK technology

Power range

  • 56.0-197 kW
  • 16.0-56.0 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.
  • Evaporator AISI 316 stainless steel braze welded plates type with one circuit on the refrigerant side and one on the water side in 182-P÷453-P models; with two independent circuits on the refrigerant side and one on the water side in 524-P÷604-P models, complete with water differential pressure switch. On the units it is always installed an antifreeze heater.
  • 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.
  • 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.
  • Functioning in heating mode with outside air temperature down to -15 °C.
  • Microprocessor control and regulation system (with AQUALOGIK technology on ST versions).

Factory fitted accessories

  • IM Automatic circuit breakers
  • 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
  • DS Desuperheater
  • RT Total heat recovery
  • TX Coil with pre-coated fins
  • SI Inertial tank
  • 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%
  • FA Antifreeze heater for 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
  • HYM Hybrid systems management
  • DHW Domestic hot water management
  • 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
182-P202-P242-P262-P302-P363-P393-P453-P524-P604-P
HeatingHeating capacity (1)kW55,763,671,481,694,2109124142163197
Absorbed power (1)kW16,919,521,824,428,233,337,243,249,959,0
COP (1)3,303,263,283,343,343,273,333,293,273,34
Heating (EN14511)Heating capacity (1)kW55,963,871,681,894,4109124142163197
Absorbed power (1)kW17,119,822,124,828,633,737,744,050,759,9
COP (1)3,263,223,233,303,303,243,293,243,223,29
SCOP (2)3,433,393,383,503,523,423,443,413,403,39
Energy Efficiency (2)%134132132137138134135133133132
Energy Class (3)A+A+A+A+------
CoolingCooling capacity (4)kW48,254,962,571,982,894,5108125139163
Absorbed power (4)kW15,818,720,723,728,432,035,641,848,056,2
EER (4)3,052,943,023,032,922,953,032,992,902,90
Cooling (EN14511)Cooling capacity (4)kW48,154,862,471,882,694,4108125139163
Absorbed power (4)kW16,018,920,923,928,732,336,042,348,656,9
EER (4)3,012,902,983,002,882,933,002,952,852,86
SEER (5)3,953,843,963,973,923,863,974,023,873,88
Energy Efficiency (5)%155151155156154151156158152152
CompressorQuantity2222233344
Refrigerant circuits1111111122
Capacity steps2222233344
EvaporatorWater flowl/s2,302,622,983,433,954,505,155,966,637,77
Pressure dropskPa28303128282329393837
Water connections"G1 ½"1 ½"1 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"
Electrical characteristicsPower supplyV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50
Max. running currentA41445560677986101116131
Max. starting currentA164166179192235202218268248298
Electrical characteristics (ST versions)Power supplyV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50400/3/50
Max. running currentA44485963718490106120135
Max. starting currentA168170182196238207222273252303
Unit with tank and pumpPump available static pressurekPa155150140135155200190170165155
Tank water volumel400400400400400400400400600600
Water connections"G2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"
Unit ST versionsWater flowl/s2,302,622,983,433,954,505,155,966,637,77
Pump available static pressurekPa150140135130120165155135130120
Water connections"G2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"2 ½"
ECH fan available static pressureSTD versionsPa70601001001009560656065
SSL versionsPa70606560609560606060
ST versionsPa70601001001009560656065
SSL/ST versionsPa70606560609560606060
Sound pressureSTD and ST versions (6)dB(A)62626565656768686970
With SL accessory (6)dB(A)60606363636566666768
SSL and SSL/ST versions (6)dB(A)58586161606063636466
WeightsTransport weight (7)kg6356446937608079261076112612351414
Operating weight (7)kg6406507007708209401090114012501430
Weights (ST versions)Transport weightkg6506597087758229461096114612551434
Operating weightkg6556657157858359601110116012701450

Dimensions

182-P202-P242-P262-P302-P363-P393-P453-P524-P604-P
LSTD-STmm2350235023502350235023503550355035503550
SSL-SSL/STmm2350235023502350235035503550470047004700
WSTD-SSL-ST-SSL/STmm1100110011001100110011001100110011001100
HSTD-SSL-ST-SSL/STmm1950195019502250225022502250225022502250

Notes

  • 1 Heated water from 40 to 45 °C, ambient air temperature 7 °C d.b./6 °C w.b.
  • 2 Seasonal energy efficiency of heating at low temperature with average climatic conditions. According to EU Regulation n. 813/2013.
  • 3 Seasonal energy efficiency class of heating at low temperature with average climatic conditions. According to EU Regulation n. 811/2013.
  • 4 Chilled water from 12 to 7 °C, ambient air temperature 35 °C.
  • 5 Seasonal energy efficiency of cooling at medium temperature. According to EU Regulation n. 2016/2281.
  • 6 Sound pressure level measured in free field conditions at 1 m from the unit. According to ISO 3744.
  • 7 Unit without tank and pump.
  • N.B. (1) Weights of SSL versions are specified on technical brochure.