Table of Contents
Advertisement
System 8
Solar system with east-/west collectors and 2 tanks (valve logic)
The controller compares the temperatures at the col-
lector sensors S1 and S3 to the temperatures at S2
and S4. If one of the measured temperature differenc-
Note: 3-port valve normally open - tank 1 (S2)
28
es is higher than the adjusted switch-on temperature
differences, the corresponding pump (R1, R2) or both
pumps will be activated and the corresponding tank
will be loaded up to the adjusted maximum tempera-
ture via the valve (R3).
Sensor/
Designation
Description
terminal
S1
TCOL1
Temperature collector 1
S2
TST1B
Temperature tank 1 bottom
S3
TCOL2
Temperature collector 2
S4
TST2B
Temperature tank 2 bottom
S5
Optional sensor for meas-
urement purposes or op-
V40
tions
Relay
Description
R1
Solar pump collector 1
R2
Solar pump collector 2
R3
3-port valve tank 1/2
R4
optional:
Thermal disinfection
Parallel relay
Heat dump
Advertisement
Table of Contents
