10
x
Technical data
124
FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009
10.2.4 Characteristic curves for pumps
10.2.5 Temperature limits discharge water (avoiding condensation)
I - III Output levels circulation pump
∆
PR Residual pressure head circulation pump
mH Flow heating network
I - III Output levels circulation pump
∆
PR Residual pressure head circulation pump
mH Flow heating network
Fig.10-10 Residual pressure head circulation pump Indoor Module (RKHB) 6-8 kW Fig.10-11 Residual pressure head circulation pump Indoor Module (RKHB) 11-16 kW
I
II
III
∆PR (mbar)
mH (l/h)
50
100
150
200
250
300
350
400
450
500
550
600
650
700
0
1300
1900
2500
700
I / II
III
mH (l/h)
3500
3100
700
2700
2300
1900
1500
1100
∆PR (mbar)
50
100
150
200
250
300
350
400
450
500
550
600
650
0
1
Maximum discharge temperature in cooling operation
2
Example at an ambient temperature of 25 °C and relative humidity of 40%.
If the discharge temperature is below 12 °C, condensation will occur in the
water pipelines.
a
Relative humidity 40%
b
Relative humidity 60%
a
Relative humidity 80%
T
LWC
Discharge temperature at capacitor
T
LWE
Discharge at vaporiser
If condensation is to be expected, the drip tray that can be obtained as an
option (see chapter 2.3.8) must be installed in the Indoor Module (RKHB).
Fig.10-12 Temperature ranges condensation water formation