33
6.6.5. -
Return flow increase
This function is used to raise the temperature of e.g. the return flow by the storage.
Settings range: On, Off
6.6.5.1. - RF Tmax
Maximum temperature at the return flow sensor. If this temperature is exceeded, the relay is
switched off.
Settings range: 0-80°C / Default setting: 70°C
6.6.5.2. -
∆T return flow
Switch-on temperature difference:
When this difference is exceeded between return flow sensor and storage sensor, the relay is
switched on.
Settings range: 5-20 K / Default setting: 8 K
Switch-off temperature difference:
When this difference is exceeded between return flow sensor and storage sensor, the relay is
switched off.
Settings range: 2-19 K (limited by ∆T Storage RF On) / Default setting: 4 K
6.6.5.3. -
Return flow (sensor)
Determines the sensor for return flow increase.
Settings range: S1-S8, VFS1-2, active Storage / Default setting: none
6.6.5.4. - Storage (sensor)
Determines the storage sensor
Settings range: S1-S8, VFS1-2, active Storage / Default setting: none
Special functions
R
el
a
y
f
u
nc
ti
on
s
