EXTRA - HEAT EXCHANGERS OUTPUT CHART
HEAT EXCHANGER OUTPUT REFERRED TO TEMPERATURE AND FLOW RATE OF PRIMARY CIRCUIT AND WITH SECONDARY AT 10/45°C AT MAXIMUM WITHDRAWAL OF PRODUCIBLE DHW
(UPPER LIMIT OF THE CURVES REFERRED TO MAXIMUM PRIMARY FLOW RATE IN THE HEAT EXCHANGER, WHILE THE LOWER LIMIT IN THE CURVE REFERS TO THE MINIMUM PRIMARY FLOW RATE)
95
85
75
2 m2
Output [KW]
65
55
1,5 m 2
45
35
25
15
5
55
60
65
70
Primary circuit temperature [°C]
Extractable heat exchanger surface
(with tubes bent to the bottom)
75
1,5 m2
2 m2
MAX
MIN
MAX
MIN
6
Primary flow rate [m3/h]
80
3
10
5
95
85
75
Output [KW]
65
55
45
35
1 m2
25
0,75 m 2
15
0,5 m 2
5
55
60
65
70
75
Primary circuit temperature [°C]
Extractable heat exchanger surface
(with tubes bent to the bottom)
Primary flow rate [m3/h]
24
0,5 m2
0,75 m2
1 m2
MAX
MIN
MAX
MIN
MAX
MIN
2
1
3
1,5
4
2
80