12
Pic.11 Electric diagram of burners NORTEC WB 230/270
Electric diagram symbols:
K1: Heater №1
K2: Heater №2
K3: Heating elements of fuel inlets
H1: Thermostat №1
H2: Thermostat №2
H3: Floating switch of a fuel pump
LOA24: Control chamber of the burner
TA: Ignition transformer
V1: electromagnetic valve of air inlet 1
V2: electromagnetic valve of air inlet 2
M: burner fan engine
FR: photocell
HL: external emergency shutdown signal
F:
cutout (16A)
TC: boiler thermostat
TS: safety thermostat
Electric diagrams of NORTEC burners WB 230 / 270 have an electromagnetic valve for
compressed air inlet 2.
To the pump of a
lifting unit
Н3
Burner socket