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Elco R600 IP-ZW Manual

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Caldaia bypass
Se si richiede un aumento di temperatura superiore a 17K per passaggio è possibile
ottenerlo con una caldaia per acqua calda con bypass integrato. La pompa bypass integrata
garantisce il flusso volumetrico minimo attraverso la caldaia.
In caso di utilizzo di una caldaia bypass, la pompa bypass integrata non è una pompa di
trasporto. Il trasporto dell'acqua dalla caldaia al sistema deve avvenire tramite una pompa di
carico esterna. Questa pompa di sistema va dimensionata in funzione del ΔT desiderato. Lo
schema di principio e le due tabelle riportano tutte le informazioni necessarie al
dimensionamento della pompa di sistema. Nelle tabelle è considerata una resistenza
supplementare di 10 kPa per il sistema.
Dati pompa bypass
R601 R602 R603 R604 R605 R606 R607
Tipo pompa [-] UPS
32-80B
UPS
32-80B
UPS
32-80B
UPS
32-80B
UPS
32-120FB
UPS
40-120FB
UPS
50-120FB
Tensione [V] 230 230 230 230 230 230 400
∆T = 40K Regolazione curva [-] 2 2 3 3 1 1 1
∆T = 50K 2 3 3 3 2 2 2
∆T = 55K 2 3 3 3 2 2 2
∆T = 60K 2 3 3 3 3 2 2
∆T = 70K 2 3 3 3 3 3 2
∆T = 80K 2 3 3 3 3 3 2
Dati dimensionamento pompa di sistema
R601 R602 R603 R604 R605 R606 R607
∆T = 40K Flusso volumetrico [m3/h] 3.1 4.1 5.1 6.1 8.2 10.2 11.6
Prevalenza richiesta [kPa] 35.5 28.9 57.3 50.7 42.3 49.0 60.6
∆T = 50K Flusso volumetrico [m3/h] 2.4 3.2 4.1 4.9 6.5 8.2 9.2
Prevalenza richiesta [kPa] 30.3 58.5 50.8 44.4 40.8 56.3 64.6
∆T = 55K Flusso volumetrico [m3/h] 2.2 2.9 3.7 4.4 5.9 7.4 8.4
Prevalenza richiesta [kPa] 27.3 56.4 48.7 41.4 34.7 53.0 61.4
∆T = 60K Flusso volumetrico [m3/h] 2.0 2.7 3.4 4.1 5.4 6.8 7.7
Prevalenza richiesta [kPa] 26.2 55.4 46.6 39.3 58.6 47.9 69.1
∆T = 70K Flusso volumetrico [m3/h] 1.7 2.3 2.9 3.5 4.7 5.8 6.6
Prevalenza richiesta [kPa] 24.2 52.3 44.4 35.2 51.4 61.6 66.8
∆T = 80K Flusso volumetrico [m3/h] 1.5 2.0 2.6 3.1 4.1 5.1 5.8
Prevalenza richiesta [kPa] 22.1 50.2 40.3 30.2 45.3 53.5 65.6
R1
R2
P1
P2
Q1
Q2
Q1+Q2
P1 = pompa bypass
P2 = pompa di sistema
… 65 …


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