12. DIAGRAMS
12.1 Diagrams with non-modulating circulator
System with one tank, one circulating pump and two probes
(No modulating circulating pump, No metering, No supplementary heating/No excess heat dis-
sipation).
- Assigning of terminals and block diagram.
S4 S4 - V1 S3 S3 S2 S2 S1 S1
P1
Symbol Description
P1 Solar circulating pump
S1 Probe PT 1000 Solar collector
S2 Probe PT 1000 Lower tank
180
EN
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S1
S2
code 3542A420 - Rev. 00 - 12/2021
ECOTRONIC HiTech
R3 R3 R2 N L N R1 N
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230 Vac
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