Wiring - Ferroli SUN G 20 Notice D'installation Et D'entretien

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
MS
Key
CO Hour-meter (possible)
F Fuse
FR Photoresistance
IG Main switch
Ima
On/Off Switch
LI On/Off switch lamp
LS Lock-out warning light
(possible)
UK
MA Control box terminal
board
28
2 2 3 4 5 6 7 8 9 10 11 12 31 32
VE1
TR
MB
8 7 6 5 4 3 2 1 N
MB
MS
PB
SC
TA-TC Boiler environment
TMF
TR
FR
VE2
PB
LI
Ima
Burner motor
Servomotor terminal
board
Burner connector
Plug
thermostat
2° Flame Modulation
Thermostat (optional)
Ignition transformer
MA
3
2
1
F
TS
L1
N
T1
TC-TA
T2
S3
H
B4
Z
CO
SC
TS Safety thermostat
VE1 1st stage solenoid valve
VE2 2nd stage solenoid valve
Tmf
IG
L
N
LS
N
N