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Scheme of electrical connections of the additional B module: M2, M3 – mixer 2 and 3 temp. sensor
type CT4, RM2, RM3 – mixer 2 and 3 room thermostat, L N PE - electrical power 230V~, GR – grounding
strip, PM2, PM3 – mixer 2 and 3 pump, SM2, SM3 – mixer 2 and 3 servomotor, CPU – controlling, A –
.
main regulator
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