WIRING
WARNING
- Do not invert the neutral with the phase.
- Make the connection to an effi cient earthing system.
- The electrical power line to the burner must be fi tted with an omnipolar switch with an ope-
ning of at least 3 mm between the contacts.
- The earth connection to the terminal board of the burner must be made with a cable at least
20 mm longer than the phase and neutral cables.
- Must be workmanlike performed and comply with the regulations in force.
NOTE: Always make sure that no more than two wires are connected to each terminal.
1
2
M
Key
CO
Hour-meter (possible)
F
Fuse
FR
Photoresistance
IG
Main switch
LS
Lock-out warning light
UK
(possible)
28
2 2 3 4 5 6 7 8 9 10 11 12 31 32
TR
MB
1
2 3 4 5 6 7 8 N
MS
MA
MB
MS
PB
SC
FR
VE1
VE2
PB
Control box terminal
board
Burner motor
Servomotor terminal
board
Burner connector
Plug
MA
3
2
1
F
TS
L1
N
T1
TC-TA
T2
S3
H
B4
Z
CO
SC
TA-TC Boiler environment ther-
mostat
TR
Ignition transformer
TS
Safety thermostat
VE1
1st stage solenoid valve
VE2
2nd stage solenoid valve
Tmf
IG
L
N
LS
N
N