Terminal Allocation In The Different System Layouts - Resol DeltaSol CS Plus Manual

1.6

Terminal allocation in the different system layouts

System layout 1
The controller calculates the temperature difference between collector sensor
S1 and store sensor S2. If the difference is larger than or identical to the adjusted
switch-on temperature difference (DT O), the solar pump will be operated by
relay 1, and the store will be loaded until the switch-off temperature difference
(DT F) or the maximum store temperature (S MX) is reached.
Sensors S3 and S4 can optionally be connected for measurement purposes. S3 can
optionally be used as reference sensor for the store emergency shutdown option
(OSEM).
PWM 1/2
VFD
S1
R1
S4 / VFD / TFL
S4 / VFD / TR
8
If heat quantity measurement (OHQM) is activated, S4 and VFD are to be connect-
ed as flow and return sensors respectively.
If the drainback option (ODB) is activated, relay 2 can be used to operate a boost-
er pump by activating the booster function (OBST).
VBus
9 10
S3 / TSTT
S2
S1
Drainback system layout
(with booster pump)
R1 R2
exemplary
S3
S2