Plum ecoMAX860P3-LZ, Assembly Manual

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Diagram of electrical connection to the B module: M3 – regulated circuit (mixer 3) sensor temperature
type CT4, M4 - regulated circuit (mixer 4) sensor temperature type CT4, PL – fuel level sensor, T3 – mixer
3 room thermostat, T4 – mixer 4 room thermostat, H – voltage output for controlling: reserve boiler (R),
alarm signaling (AL), HUW circulation pump (PC), RELAY – relay 6VDC, L N PE - power supply 230V~,
GR – grounding bar, PM – mixer 3 and 4 pump, SM – mixer 3 and 4 servo, CPU – controller, A – main
module, ! – only connect two-wire (do not connect with four wires, it can damage the regulator).
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