LEGEND
Fan motor contact maker
CMV
Commutator
CO
Resistor contact maker
CR
Photoresistance
FR
MB
Burner terminal strip
MV
Fan motor
RMO
Control box
RT
Overload
S
Pre-heater tank
SM
Air-damper actuator
SO
Probe PT100
Ignition transformer
TA
5832
INTERNAL WIRING DIAGRAM
(carried out by the factory)
6
Burner earth
TB
Electronic thermostat
TE
Maximal thermostat
TM
Minimal thermostat
Tm
TP
Timer
st
L1
Lamps for 1
stage
nd
L2
Lamps for 2
stage
rd
L3
Lamps for 3
stage
st
V1
Oil valves for 1
stage
nd
V2
Oil valves for 2
rd
V3
Oil valves for 3
Safety valves
VS
D2618
stage
stage