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Clint CHA 51 User Manual

Clint CHA 51
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12
PERDITE DI CARICO
CIRCUITO IDRAULICO
PRESSURE DROPS
HYDRAULIC CIRCUIT
PREVALENZA TOTALE POMPA DI
CIRCOLAZIONE
CIRCULATION PUMP
TOTAL STATIC PRESSURE
CALCOLO PREVALENZA UTILE POMPA
DI CIRCOLAZIONE
ESEMPIO:
Si supponga di voler ricavare la prevalenza utile della pompa su un
gruppo frigorifero CHA/ML 41 alle condizioni nominali (acqua in/out
40/45 °C, aria esterna 7°C b.s., 6°C b.u.):
Resa termica: 11,3 kW;
Portata acqua : (11,3x860/5/3600)= 0,54 l/s;
Prevalenza totale pompa: 257 kPa;
Perdite di carico circuito idraulico unità: 19 kPa;
Prevalenza utile pompa : 250 - 19 = 231 kPa.
CIRCULATION PUMP AVAILABLE HEAD
PRESSURE CALCULATION
EXAMPLE:
The available pump head pressure can be obtained as follows, considering
a CHA/ML 41 at the nominal conditions (water in/out 40/45 °C, ambient
temperature 7°C d.b., 6°C b.w.):
Cooling capacity: 11,3 kW;
Water ow : (11,3x860/5/3600)= 0,54 l/s;
Pump total head pressure: 257 kPa;
Unit hydraulic circuit pressure drops: 19 kPa;
Available pump head pressure: 250 - 19 = 231 kPa.
51
41
71
41 - 51 - 71

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Clint CHA 51 Specifications

General IconGeneral
BrandClint
ModelCHA 51
CategoryHeat Pump
LanguageEnglish

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