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CWW-M/K 724÷1306
Watercooled liquid Chillers and Heat Pumps with Scroll compressors and shell and tube exchangers
The CWW-M/K 724÷1306 NEXTPOWER series, with R410A refrigerant, Scroll compressors and shell and tube exchangers, is designed for medium and large industrial systems requiring high power, space-saving units and quiet operation.
These units are ideal for indoor installation reducing the overall dimensions to a minimum while at the same time making installation and maintenance operations easier.
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.
NEXTPOWER obtains high energy yield with elevated ESEER values; thanks to the high partialization and the intelligent control module, it doesn't require inertial storage tank.
Versioni
- CWW-M/K - Cooling only
- CWW-M/K/WP - Reversible Heat Pump
Power range
- 233-530 kW
- 66,0-151 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.
- Shell and tube type condenser, with easily removable cast iron heads to enable access for maintenance operations. Each cooling circuit is supplied with an independent condenser. Water connections for cooling tower and Dry-Cooler operation; on request for well water.
- Shell and tube type evaporator with two independent circuits on the refrigerant side and one on the water side.
- Electronic expansion valve.
- R410A refrigerant.
- Electrical board includes: main switch with door safety interlock, protection modules and overload protection for compressors.
- Microprocessor control and regulation system.
Accessori
Accessori montati in fabbrica
- SL Silenziamento unità
- BT Dispositivo per funzionamento con bassa temperatura dell'acqua
- HR Desurriscaldatore
- HRT Recuperatore di calore totale
- IS Protocollo Modbus RTU, interfaccia seriale RS485
Accessori forniti separatamente
- MN Manometri di alta e bassa pressione
- CR Pannello comandi remoto
- PV2 Valvola pressostatica elettronica a 2 vie
- PV3 Valvola pressostatica elettronica a 3 vie
- AG Antivibranti in gomma
- FL Flussostato
Dati tecnici
| 724 | 824 | 1044 | 1206 | 1306 | |||
| Raffreddamento | Potenza frigorifera (1) | kW | 233 | 286 | 355 | 433 | 530 |
| Potenza assorbita (1) | kW | 54,1 | 65,2 | 81,9 | 98,2 | 125 | |
| Raffreddamento (EN14511) | Potenza frigorifera (1) | kW | 232 | 285 | 354 | 432 | 528 |
| Potenza assorbita (1) | kW | 54,9 | 66,1 | 83,0 | 99,4 | 127 | |
| EER (1) | 4,22 | 4,32 | 4,27 | 4,36 | 4,16 | ||
| Riscaldamento | Potenza termica (2) | kW | 299 | 357 | 456 | 536 | 667 |
| Potenza assorbita (2) | kW | 69,1 | 83,9 | 104 | 125 | 159 | |
| Riscaldamento (EN14511) | Potenza termica (2) | kW | 300 | 358 | 458 | 538 | 670 |
| Potenza assorbita (2) | kW | 71,1 | 86,0 | 107 | 128 | 164 | |
| COP (2) | 4,23 | 4,16 | 4,28 | 4,20 | 4,09 | ||
| Compressore | Quantità | n° | 4 | 4 | 4 | 6 | 6 |
| Circuiti frigoriferi | n° | 2 | 2 | 2 | 2 | 2 | |
| Gradini di parzializzazione | n° | 4 | 4 | 4 | 6 | 6 | |
| Evaporatore | Portata acqua | l/s | 11,13 | 13,66 | 16,96 | 20,69 | 25,32 |
| Perdite di carico | kPa | 33 | 31 | 36 | 33 | 42 | |
| Attacchi idraulici | DN | 150 | 150 | 150 | 150 | 150 | |
| Condensatore | Portata acqua | l/s | 13,71 | 16,77 | 20,88 | 25,37 | 31,29 |
| Perdite di carico | kPa | 30 | 31 | 45 | 42 | 49 | |
| Attacchi idraulici | DN | 65 | 65 | 65 | 80 | 80 | |
| Caratteristiche elettriche | Alimentazione | V/Ph/Hz | 400/3/50 | 400/3/50 | 400/3/50 | 400/3/50 | 400/3/50 |
| Corrente max. funzionamento | A | 146 | 180 | 225 | 270 | 337 | |
| Corrente max. di spunto | A | 324 | 395 | 489 | 485 | 601 | |
| Pressione sonora | Versione STD (3) | dB(A) | 64 | 65 | 65 | 66 | 66 |
| Con accessorio SL (3) | dB(A) | 60 | 61 | 61 | 62 | 62 | |
| Pesi | Peso di trasporto | kg | 1554 | 1569 | 2186 | 2419 | 2993 |
| Peso in funzionamento | kg | 1690 | 1700 | 2390 | 2620 | 3290 | |
Dimensioni
| 724 | 824 | 1044 | 1206 | 1306 | |||
| L | STD | mm | 3000 | 3000 | 3000 | 3000 | 3300 |
| W | STD | mm | 800 | 800 | 1350 | 1350 | 1350 |
| H | STD | mm | 1900 | 1900 | 1900 | 1900 | 1900 |
Note
- 1 Acqua refrigerata da 12 a 7 °C, temperatura acqua al condensatore da 30 a 35 °C.
- 2 Acqua riscaldata da 40 a 45 °C, temperatura acqua all'evaporatore da 15 a 10 °C.
- 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.