BOLLY® - INTERKA
BOLLY® 2 POWER- HEAT EXCHANGERS TECHNICAL DATA
Model
[liters]
300
500
Model
[liters]
300
500
DHW produced in the first 10 minutes in lt/10’
input 10 °C output 45 °C,
storage at t2 and primary at T1
DHW produced in the first hour in lt/60’
input 10 °C output 45 °C,
storage at t2 and primary at T1
T1/t2
T1/t2
55/50
141
139
229
227
65/60
185
181
299
294
70/60
194
189
311
305
80/60
211
205
336
327
55/50
265
255
406
392
65/60
373
355
567
542
70/60
413
393
625
595
80/60
498
469
745
702
DHW produced in the first 10 minutes in lt/10’
input 10 °C output 45 °C,
storage at t2 and primary at T1
DHW produced in the first hour in lt/60’
input 10 °C output 45 °C,
storage at t2 and primary at T1
T1/t2
T1/t2
55/50
388
384
651
645
65/60
499
492
834
822
70/60
513
504
855
840
80/60
542
529
897
877
55/50
597
578
965
935
65/60
814
780
1304
1249
70/60
882
839
1404
1336
80/60
1021
960
1607
1510
Flow rate
Exchanger pressure loss
[m3/h]
[mm.H2O]
[mbar]
3
1,5
3,5
1,75
541,01
149,87
1028,24
284,83
53,06
14,70
100,84
27,93
Flow rate
Exchanger pressure loss
[m3/h]
[mm.H2O]
[mbar]
3
1,5
3,5
1,75
927,45
256,91
1850,84
512,70
90,95
25,19
181,50
50,28
HEAT EXCHANGERS OUTPUT CHART BOLLY® 2 POWER
50
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)
45
40
35
1,8 m2
30
Output [KW]
25
1,2 m2
20
15
10
1,2 m2
Lower heat exchanger surface
1,8 m2
5
Primary flow rate [m3/h]
MAX
MIN
MAX
MIN
3
1,5
3,50
1,75
0
55
60
65
70
75
80
Primary circuit temperature [°C]
30
25
1 m2
Output [KW]
20
Upper heat exchanger surface
Primary flow rate [m3/h]
0,75 m2
1 m2
0,75 m 2
15
10
5
MAX
MIN
MAX
MIN
2,5
1,25
3
1,5
0
55
60
65
70
Primary circuit temperature [°C]
95
75
80