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CHA-M/K 724-P÷1306-P

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

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The models of NEXTPOWER range are dedicated to conditioning of medium and wide areas. The intelligent control module optimizes functioning times and supplied power from compressors based on heat load demands in the system.
The range is equipped with R410A refrigerant and features Scroll compressors and plate exchanger.
High reliability is the key plus of NEXTPOWER, thanks to the use of components built in large series and the management of several compressors allowing an increased compressor life span and the reduction of machine stopping risks: a faulty compressor will not compromise the functioning of the unit, that will continue to work with decreased power levels. The optional Air Section Divider allows to service one circuit without stopping the whole unit.
NEXTPOWER obtains high energy yield with high ESEER/IPLV values and excellent silent
functioning, since the fans adjust their speed to the actual system load, providing benefits
in terms of silent operation, important especially at night.
NEXTPOWER, thanks to the high partialization and the intelligent control module, doesn't require inertial storage tank.

Versioni

  • CHA-M/K - Cooling only
  • CHA-M/K/WP - Reversible Heat Pump

Power range

  • 221-519 kW
  • 63,0-148 Ton

Caratteristiche

  • 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 coils.
  • Evaporator AISI 316 stainless steel braze welded plates type with two independent circuits on the refrigerant side and one on the water side, complete with water differential pressure switch. On the heat pump units is always installed an antifreeze heater.
  • Electronic expansion valve.
  • R410A refrigerant.
  • Electrical board includes: main switch with door safety interlock, protection modules, overload protection for compressors and thermocontacts for fans.
  • Microprocessor control and regulation system.

Accessori montati in fabbrica

  • SL Silenziamento unità
  • CT Controllo condensazione fino a 0 °C
  • BT Dispositivo per funzionamento con bassa temperatura dell'acqua
  • DS Desurriscaldatore
  • RT Recuperatore di calore totale
  • TX Batteria con alette preverniciate
  • AD Parete divisoria sezione aria
  • IS Protocollo Modbus RTU, interfaccia seriale RS485

Accessori forniti separatamente

  • MN Manometri di alta e bassa pressione
  • CR Pannello comandi remoto
  • RP Reti protezione batterie
  • AG Antivibranti in gomma
724-P824-P1044-P1206-P1306-P
RaffreddamentoPotenza frigorifera (1)kW221296371448519
Potenza assorbita (1)kW77101122158196
EER (1)2,872,933,042,842,65
Raffreddamento (EN14511)Potenza frigorifera (1)kW220294369446517
Potenza assorbita (1)kW78,1103124160198
EER (1)2,822,852,982,792,61
RiscaldamentoPotenza termica (2)kW256341411507601
Potenza assorbita (2)kW83,1110131168193
COP (2)3,083,103,143,023,11
Riscaldamento (EN14511)Potenza termica (2)kW257343414510604
Potenza assorbita (2)kW86,1115136174200
COP (2)2,982,983,042,933,02
CompressoreQuantità44466
Circuiti frigoriferi22222
Gradini di parzializzazione44466
EvaporatorePortata acqual/s10,5614,1417,7321,4024,80
Perdite di caricokPa5565635449
Attacchi idrauliciDN100100100100100
Caratteristiche elettricheAlimentazioneV/Ph/Hz400/3/50400/3/50400/3/50400/3/50400/3/50
Corrente max. funzionamentoA161195249293361
Corrente max. di spuntoA340410512515625
Pressione sonoraVersione STD (3)dB(A)6768686970
Con accessorio SL (3)dB(A)6465656667
PesiPeso di trasportokg16501748234424792685
Peso in funzionamentokg16901790239025302740

Dimensioni

724-P824-P1044-P1206-P1306-P
LSTDmm28002800390039003900
WSTDmm22002200220022002200
HSTDmm21002100210021002100

Note

  • 1 Acqua refrigerata da 12 a 7 °C, temperatura aria esterna 35 °C.
  • 2 Acqua riscaldata da 40 a 45 °C, temperatura aria esterna 7 °C b.s./6 °C b.u.
  • 3 Livello medio di pressione sonora in campo libero ad 1 m dall'unità come definito dalla ISO 3744.
  • N.B. (1) I pesi della versione WP sono riportati nel quaderno tecnico.