ECOTRONIC HiTech
System with one tank, one circulating pump and three probes.
(Modulating circulating pump, no metering, with supplementary heating).
- Assigning of terminals and block diagram.
S4 S4 - V1 S3 S3 S2 S2 S1 S1
P1
256
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Symbol Description
P1 Solar circulating pump
S1 Probe PT 1000 Solar collector
S2 Probe PT 1000 Lower tank
S3 Probe PT 1000 Upper tank
T1 Consent for excess heat dissipation
256 Circulating pump signal (PWM versions only)
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S1
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code 3542A420 - Rev. 00 - 12/2021
R3 R3 R2 N L N R1 N
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S3
S2
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230 Vac
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T1
EN
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189