60
Radijator Inženjering d.o.o, 36000 Kraljevo, Živojina Lazića - Solunca br.6, Srbija
tel. +381 36 399 140, fax. +381 36 399 150, http://www.radijator.rs
e-mail: [email protected]
Diodes:
Functions
Description
Key
Heater
Diode on:
Heater is functioning.
L1
Doser
Diode on:
Doser is functioning.
L2
Pump
Diode on:
Pump is functioning.
L3
Mixing valve
Diode on:
Mixing valve is functioning.
L4
V2 port configured as the safety valve for
pellets or pellets refill motor or cleaning
motor
Diode on:
V2 port is functioning.
L5
Combustion valve
Diode on:
Combustion valve is functioning.
L6
Aux2 port configured as the safety valve for
pellets or pellets refill motor or cleaning
motor
Diode on:
Aux2 port is functioning.
L7
Pellets level
Diode on:
Insufficient pellet level.
L10
External thermostat
Diode on:
External thermostat is functioning.
L11
Flow sensor*
Diode on:
Request for sanitary water
L12
* only for hydro installations with flow sensor
NOTICE: Diodes L4, L5, L10 and L12 don’t function in the UNI 25
boiler.