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CHA-M/SZ/K 181-P÷522-P

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

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The liquid Chillers and Heat Pumps of CHA-M/SZ/K 181-P÷522-P 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 plate exchanger, 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.
 
The units feature 460V power supply and 60Hz frequency.

Versions

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

Power range

  • 50,0-156 kW
  • 14,0-44,0 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.
  • Evaporator AISI 316 stainless steel braze welded plates type with one circuit on the refrigerant side and one on the water side, completed with water differential pressure switch. On the heat pump it is always installed an antifreeze heater.
  • 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
  • DS Désurchauffeur
  • RT Récupérateur de chaleur totale
  • TX Batterie avec ailettes pré-vernies
  • SI Réservoir tampon
  • PS Simple pompe de circulation
  • PD Double pompe de circulation
  • 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
181-P241-P301-P392-P522-P
RefroidissementPuissance frigorifique (1)kW50,265,087,1123156
Puissance absorbée (1)kW15,422,428,243,456,4
ChauffagePuissance thermique (2)kW56,173,894,8136171
Puissance absorbée (2)kW16,624,029,444,054,4
CompresseurQuantité11122
Circuits frigorifiques11111
Étages de puissance11122
ÉvaporateurDébit d'eaul/s2,403,114,165,887,45
Pertes de chargekPa4955446048
Raccords hydrauliques"G1 ½"1 ½"2 ½"2 ½"2 ½"
Caractéristiques électriquesAlimentationV/Ph/Hz460/3/60460/3/60460/3/60460/3/60460/3/60
Courant max. de fonctionnementA37455890110
Courant max. de crêteA190230285275337
Caractéristiques électriques (versions ST)AlimentationV/Ph/Hz460/3/60460/3/60460/3/60460/3/60460/3/60
Courant max. de fonctionnementA37455890110
Courant max. de crêteA190230285275337
Unité avec réservoir et pompePression statique utile pompekPa105100130115100
Contenu d'eau réservoirl400400400400400
Vase d'expansionl1212121212
Raccords hydrauliques"G2 ½"2 ½"2 ½"2 ½"2 ½"
Unité versions STDébit d'eaul/s2,403,114,165,887,45
Puissance nominale pompekW0,750,751,101,851,85
Pression statique utile pompekPa10510013011095
Vase d'expansionl1212121212
Raccords hydrauliques"G2 ½"2 ½"2 ½"2 ½"2 ½"
Puissance sonoreAvec accessoire SL (3)dB(A)MANCAMANCAMANCAMANCAMANCA
Pression sonoreAvec accessoire SL (4)dB(A)5757596161
PoidsPoids de transport (5)kg536572675814923
Poids en fonctionnement (5)kg545580695835945
Poids (versions ST)Poids de transportkg551587690834943
Poids en fonctionnementkg560595710855965

Dimensions

181-P241-P301-P392-P522-P
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 de puissance sonore selon la norme ISO 3744 et la réglementation Eurovent 8/1.
  • 4 Niveau moyen de pression sonore mesurée en champ libre à 1 m de l'unité comme défini de ISO 3744.
  • 5 Unité sans réservoir et pompe.
  • N.B. (1) Les poids des versions WP sont rapportés dans le cahier technique.