Instruction manual

Electric connection of equipment to the boiler’s controller.
Low-voltage contact
Tco- temperature sensor connection for central heating
Tcwu- sensor connection for hot water pump
Tbg- sensor connection in upper part of the buffer
Tbd- sensor connection in down part of the buffer
Rpok- room thermostat connection
High-voltage contact
M.co- mixing valve’s actuator connection
P.c wu - hot water pump connection
P.bu - buffer pump connection – pump responsible for maintaining right return temperature to the boiler
P.c o- central heating pump connection
Room thermostat
Controller enables to cooperate with any room thermostat with closing contact.
Room thermostat should be installed in a representative room in the house with respect to temperature
at 1,5-2 m height.
One shouldn’t install room thermostat close to any heat source (TV, radiator), direct sun radiation or
places exposed to draught.
21
Pic.4 Room thermostat connection.
NO
COM
NC
Room thermostat ex.
EUROSTER, AURATON
Boiler controller
Pellets control
Room thermostat