Plum ecoMAX860P3-LZ, Assembly Manual

Page: 24 / 44

24
12.8 Electric scheme
Diagram of electrical connection to the regulator: λ – Lambda module, B – module B to support
additional 3 and 4 heat circuits, BH – upper buffer temp. sensor type CT4, BL – lower buffer temp. sensor
type CT4, RPM – fan speed sensor, PLS - fuel level sensor, T1 – standard room thermostat (No-Nc), H –
voltage output for controlling: reserve boiler (R), alarm signaling (AL), HUW circulation pump (PC) and
additional feeder, RELAY – relay 12VDC, KL - boiler door-open sensor, RP - ecoSTER TOUCH / ecoSTER200
room panel with room thermostat function, BP – control panel, M1 - temperature sensor of the regulated
circuit (mixer 1) type CT4, M2 - temperature sensor of the regulated circuit (mixer 2) type CT4, WS –
weather temperature sensor type CT6-P, HW – HUW temperature sensor type CT4, FS – feeder temperature
sensor type CT4, T1 – standard room thermostat (No-Nc), BT – boiler temperature sensor type CT4, FT –
exhaust temperature sensor type CT2S, L N PE - power supply 230V~, STB – input for STB device, FH –
main feeder, CF – burner fan, SC – rotary engine burner cleaning, IG – igniter, BP – boiler pump, DH –
HUW pump, SM – mixer 1 and 2 servo, PM – mixer 1 and 2 pump, 2, CPU – controller
.