Electrical Connections - Ferroli SUN Series Installation, Use And Maintenance Instructions

ELECTRICAL CONNECTIONS

Ph N
IG
F
TA - TC
TS
L1 N T1 T2 S3 B4
N T1 T2 S3 B4
L1
VE
M
1~
MB
1 2 2 3 4
The following electrical connections are at the installer's charge:
- power supply line
- thermostat line
- possible shutdown indicator light and/or hour meter
Attention
- do not switch the neutral and phase wires
- always install a good ground connection
N N
LS CO
h
TR
PR
Tm
5 6 7 8
S.p.A.
PREHEATER CONNECTION
Connection for without
preheater version
FR
9 10 11 12
Fig. 4
SUN
GN
M
Preheater cable
B
N
Key
CO Hour counter
F Fuse
FR Photoelectric resistance
IG Main switch
LS Safety light
MB Burner motor
PB Burner tap
PR Preheater (G6R only)
SC Plug
TA-TC Boiler - room thermostat
TR Ignition transformer
TS Safety thermostat
Tm Minimum rating thermostat
VE Electromagnetic valve
5