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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.

Versions

  • 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

Caractéristiques

  • 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).

Accessoires montés en usine

  • SL Silencieux unité
  • CT Contrôle condensation jusqu'à 0 °C
  • BT Dispositif pour fonctionnement à basse température de l'eau
  • HT Fonctionnement avec de l'eau à haute température 13/18 °C
  • HRT/S Récupérateur de chaleur totale en série
  • TX Batterie avec ailettes pré-vernies
  • SI Réservoir tampon
  • IS Protocole Modbus RTU, interface sérielle RS485

Accessoires fournis séparément

  • MN Manomètres de haute et basse pression
  • CR Panneau de commande à distance
  • RP Grilles de protection batteries
  • AG Plots anti-vibrations en caoutchouc
  • FL Fluxostat
181241301392522
RefroidissementPuissance frigorifique (1)kW53,165,186,4125155
Puissance absorbée (1)kW17,922,429,244,859,3
EER (1)2,972,912,962,792,61
Refroidissement (EN14511)Puissance frigorifique (1)kW52,864,685,9124154
Puissance absorbée (1)kW18,222,929,745,560,2
EER (1)2,902,822,892,732,56
ChauffagePuissance thermique (2)kW59,373,993,8138168
Puissance absorbée (2)kW19,224,130,445,357,2
COP (2)3,093,073,093,052,94
Chauffage (EN14511)Puissance thermique (2)kW59,774,594,4139169
Puissance absorbée (2)kW19,624,931,246,859,1
COP (2)3,052,993,032,972,86
CompresseurQuantité11122
Circuits frigorifiques11111
Étages de puissance11122
ÉvaporateurDébit d'eaul/s2,543,114,135,977,41
Pertes de chargekPa3555455562
Raccords hydrauliques"G1 ½"2"2 ½"3"3"
Caractéristiques électriquesAlimentationV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50
Courant max. de fonctionnementA435267103127
Courant max. de crêteA219264328316387
Caractéristiques électriques (versions ST)AlimentationV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50
Courant max. de fonctionnementA455470108132
Courant max. de crêteA221266331321392
Unité versions STDébit d'eaul/s2,543,114,135,977,41
Puissance nominale pompekW0,750,751,101,851,85
Pression statique utile pompekPa12510013011590
Vase d'expansionl1212121212
Raccords hydrauliques"G2 ½"2 ½"2 ½"2 ½"2 ½"
Pression sonoreVersions STD et ST (3)dB(A)5959616363
Avec accessoire SL (3)dB(A)5757596161
PoidsPoids de transportkg6116497649261026
Poids en fonctionnementkg6306707909601060
Poids (versions ST)Poids de transportkg6266647799461046
Poids en fonctionnementkg6456858059801080

Dimensions

181241301392522
LSTDmm23502350235023502350
WSTDmm11001100110011001100
HSTDmm19201920192022202220

Remarques

  • 1 Eau glacée de 12 à 7 °C, température air extérieur 35 °C.
  • 2 Eau chauffée de 40 à 45 °C, température de l'air extérieur 7°C b.s./6°C b.h.
  • 3 Niveau moyen de pression sonore mesurée en champ libre à 1 m de l'unité comme défini de ISO 3744.
  • N.B. (1) Les poids des versions WP sont rapportés dans le cahier technique.