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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
6.15.10 Evaporation temperature of medium
Line no. Operating line
3860 Evaporation heat carrier
If there is a risk of evaporation of the heat conducting medium due to high collector
temperatures, the collector pump is deactivated to prevent the medium from reaching
excessive temperatures. This is a protective pump function.
When, due to high collector temperatures, there is a risk of evaporation of the heat
conducting medium, the collector pump is deactivated to prevent it from running hot.
This is a protective pump function.
If the collector temperature exceeds the evaporation temperature of the heat
conducting medium (collector temperature > evaporation temperature), the collector
pump is deactivated to prevent overtemperatures.
If the collector temperature falls one switching differential (15 K) below the evaporation
temperature (Tverd), the collector pump is activated again (collector temperature <
evaporation temperature – switching differential evaporation temperature).
The function can be deactivated.
T
t
SdVerd
B6
Q5
On
Off
3860
7471d26e/1210
Figure 63: Evaporation temperature of medium - Evaporation heat carrier
Key
Line no. Meaning
3860 Tverd Evaporation temperature
B6 Collector sensor
Q5 Collector pump (On/Off)
SdVerd Switching differential evaporation temperature (15 K)
t Time
T Temperature
Caution!
Evaporation protection for the medium (pump Off) is given priority over
overtemperature protection, which wants to activate the pump.
Evaporation heat carrier
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