Viessmann VITOCAL 300-G Technical Manual page 55

Design information
Test conditions
■ Cooling capacity:
At 27 °C room temperature, 48% relative humidity, cooling the cool-
ing water from 12 to 7 °C.
■ Rated output:
Speed-dependent heating and cooling capacities
Type Fan speed Air flow
rate
3
m /h
V1 292
V2 260
V202H V3 205
V4 163
V5 122
V1 524
V2 433
V203H V3 354
V4 323
V5 272
V1 843
V2 708
V206H V3 598
V4 545
V5 431
V1 1266
V2 983
V209H V3 859
V4 730
V5 612
Factory-set fan speed
Sizing the cooling heat exchanger
The following tables can be used to calculate the size of the required
cooling heat exchanger.
Brine/water heat pumps
13 °C 20 °C
A B
10 °C 12 °C
A Cooling circuit primary side (brine)
B Cooling circuit secondary side (water)
VITOCAL 300-G
(cont.)
Cooling mode
Total cooling Sensible
capacity cooling
capacity
W W
1971 1518
1846 1390
1543 1141
1327 954
1075 755
3398 2663
3007 2289
2560 1920
2409 1784
2128 1550
5614 3770
4836 3200
4289 2796
3984 2581
3305 2168
8833 6708
7402 5464
6491 4779
5537 4076
4627 3407
At 20 °C room temperature, flow temperature 50 °C.
■ Sound pressure level
Measured at a distance of 2.5 m with a room volume of 200 m
a reverberation time of 0.5 s.
Heating mode
Flow rate Pressure Heating
drop output
l/h kPa W
338 42 2463
317 37 2370
266 27 2102
227 20 1812
184 14 1470
583 31 4544
515 25 4227
439 19 3732
414 17 3517
367 14 3207
961 40 6651
828 31 6091
735 25 5614
684 22 5327
569 16 4589
1516 38 11558
1271 28 10251
1113 22 9429
951 16 8141
792 12 6745
Recommendation for sizing the cooling system correctly: calculate the
cooling load to VDI 2078.
3
Sound
Flow rate Pressure pressure
drop level
l/h kPa dB(A)
216 6
208 5
184 4
159 3
129 2
398 25
371 22
327 17
309 16
281 13
583 15
534 13
493 11
468 10
403 8
1014 48
899 38
828 33
714 25
592 18
VIESMANN
and
42
38
32
25
23
41
36
31
29 3
26
50
45
41
38
31
55
48
45
42
38
55