3.1
Wiring diagram
TRA
m
CAUTION
The thermostatic input T1-T2 must be closed by means of a dry contact without any type of load. The maximum allowed
length for the thermostatic ring T1-T2 is 1,5 m.
44
RCO
EV
MV
SF
PE
L N
IG
TC
TS
HLB
HLF
SF
Flame sensor
Fan motor
MV
Transformer
TRA
Fuel heater
RCO
EV
Diesel solenoid valve
Main switch with fuse
IG
Boiler thermostat
TC
Safety thermostat
TS
HLF
Operation lamp
Lock-out lamp
HLB
EN
Fig. 7