BOLLY® - INTERKA
BOLLY® XL- HEAT EXCHANGERS TECHNICAL DATA
DHW produced in the first hour in lt/60’
input 10 °C output 45 °C,
storage at t2 and primary at T1
T1/t2
Model
DHW produced in the first 10 minutes in lt/10’
input 10 °C output 45 °C,
storage at t2 and primary at T1
T1/t2
55/50
303
295
476
460
793
766
200
300
500
65/60
399
384
626
596
1034
985
70/60
420
401
659
622
1084
1023
80/60
462
436
726
674
1183
1098
55/50
634
594
1022
942
1647
1516
65/60
888
815
1424
1281
2267
2031
70/60
989
898
1583
1406
2504
2212
Flow rate
Exchanger pressure loss
[m3/h]
[mm.H2O]
[mbar]
2,5
1,25
3
1,5
3,5
1,75
80/60
1192
1066
1904
1657
2980
2574
325,22
83,78
726,71
201,30
1539,43
426,43
29,66
8,22
71,27
19,74
150,97
41,82
HEAT EXCHANGER OUTPUT CHART BOLLY® XL
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)
140
120
5,4 m 2
Output [KW]
100
80
3,4 m 2
60
2 m2
40
20
0
55
60
65
70
75
Primary circuit temperature [°C]
Heat exchanger
surface
Primary flow rate
[m3/h]
2 m2
3,4 m2
5,4 m2
MAX
MIN
MAX
MIN
MAX
MIN
2,5
1,25
3
1,5
3,5
1,75
91
80