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Scheme of electrical connections of the additional B module: T1 - mixer 1 temperature
sensor type CT4, T2 – mixer 2 temperature sensor type CT4, T3 – upper buffer temperature
sensor type CT4, T4 – lower buffer temperature sensor type CT4, RT1, RT2 – standard mixer 1
and 2 room thermostat type NO-NC, RELAY – relay 6 VDC, H (mod B) – voltage output for alarm
device or reserve boiler, L N PE - mains power 230 VAC, GR – earthing, PM1 – mixer 1 pump,
PM2 – mixer 2 pump, SM1 – mixer 1 servomotor, SM2 – mixer 2 servomotor, PC – circulation
pump, CPU – controlling, FU – fuse, A – main controller, ! – connect exclusively with two wires
(do not connect with four wires, as it may lead to damage of the module and main controller).
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