SATRONIC - Control boxes for oil burners

TFI 812
WIRING AND SEQUENCE DIAGRAMS TFI 812.2
Ph
N
B
10A max. HS ST
IRD CONNECTION
IRD 1020
blue
black
brown
GENERAL CIRCUIT DIAGRAM TFI 812.2
Ph
N
Z
GW
SA
RT
1 2 3 4 5 6 7 8 9
IS
1
Ion
RF
tw ts tv2
HS Main switch ST Safety thermostat
RT Controlling thermostat RF Flame relay
B Thermal timing unit V1 Valve1
R26 Resistor V2 Valve 2
Ion Ionisation probe SA Lockout indicator
ZT Ignition > Amplifier IV7
V1
b
8
V2
B
10 A flink
6 A träge
v1
z
Kl. 8
Kl. 1
Kl. 9
3
HS
s
R26
SA
HS Main switch
GW Gas proving switch
ST Safety thermostat
RT Controlling thermostat
IS Ionisation probe
Z Ignition
V1 Solenoid valve, 1st stage
V2 Solenoid valve, 2nd stage
SA remote lockout indicator
tw Pre-ignition time
approx. 15 sec. (mod. 5)
approx. 10␣ sec. (mod. 10)
ts Safety time 5 sec. (mod. 5)
10 sec. (mod. 10)
tv2 2nd stage delay approx. 20 sec.
ST
RT
9
5 6 3 4 7
V1 V2 ZT
SA