Pressure drop of the internal heat exchanger
The water pressure drops are calculated assuming an average water temperature of 7 °C.
Permitted water flow rates
Belaria
®
fit (53)
Belaria
®
fit (85)
Minimum flow rate
l/s
1.8
2.9
Maximum flow rate
l/s
5.0
6.4
Correction factors when using glycol
Ethylene glycol percentage by weight %
10
20
30
40
50
Freezing point °C
-4
-9
-16
-23
-37
Correction factor for the refrigerating capacity/heat out
-
put of the unit
0.984
0.973
0.965
0.960
0.950
Correction factor for the flow rate
1.019
1.051
1.092
1.145
1.200
Correction factor for the pressure drop in the system
1.118
1.268
4.482
1.791
2.100
For the exact specifications of the frost protection agent used, refer to the respective manufacturer’s data sheet!
0
20
40
60
80
100
120
140
1
2
3
4
5
6
7
Dru
ckv
er
lu
st
(k
Pa)
Wasserdurchflussmenge Q (l/s)
Belaria® fit (85)
Belaria® fit (53)
Water flow rate Q [l/s]
Pressure drop [kPa]
Belaria
®
fit (53)
Belaria
®
fit (85)
Q
h
[kW]
Q
h
[kW]
Q
h
[kW]
62
4 221 546 / 00
GEnERal TECHnICal DaTa
