Baxi Potterton Sirius SAT RA Installation And Operating Manual page 8

TABLE: HEAT DEMAND – FLOW OF WATER IN HEATING CIRCUIT
Rated heat power for
DHW system
(kW)
7 (R)
8 (R)
9 (R)
10 (R)
11 (R)
12 (R)
13 (R)
14 (R)
15 (RS)
16 (RS)
17 (RS)
18 (RS)
19 (RS)
20 (RS)
21 (S)
22 (S)
23 (S)
24 (S)
25 (S)
26 (S)
27 (S)
28 (S)
29 (S)
30 (S)
∆T1 = Difference between User Module Delivery – Return Temperature
∆T2 = Difference between hot water outlet – cold water inlet temperature
R = heating
S = DHW
INSTALLATION AND OPERATING MANUAL
DOMESTIC HOT WATER TAKE-OFF FLOW
Flow rate of Heating
circuit with ∆T1 = 15 K
(l/h)
401
459
516
573
631
688
745
803
860
917
975
1032
1089
1147
1204
1261
1319
1376
1433
1491
1548
1605
1663
1720
8
Flow rate of Heating
circuit with ∆T1 = 20 K
(l/h)
301
344
387
430
473
516
559
602
645
688
731
774
817
860
903
946
989
1032
1075
1118
1161
1204
1247
1290
Flow rate of Heating
circuit with ∆T2 = 35 K
(l/min)
2,9
3,3
3,7
4,1
4,5
4,9
5,3
5,7
6,1
6,6
7,0
7,4
7,8
8,2
8,6
9,0
9,4
9,8
10,2
10,6
11,1
11,5
11,9
12,3
912.807.1 - GB