Ferroli SUN Series User Manual

S.p.A.
5
SUN
ELECTRICAL CONNECTIONS
Fig. 4
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
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
Preheater cable
N
B
M
GN
4321
Connection for without
preheater version
PREHEATER CONNECTION
FR
12 34567891011122
TR
M
1~
MB
VE
Tm
PR
PB SC
L1
N
T1
T2
S3 B4
L1 N T1 T2 S3 B4
w
h
TA - TC
LS
NNNPh
IG
F
TS
CO

Ferroli SUN Series Specifications

General

Model	SUN Series
Category	Burner
Control	Electronic
Dimensions	Varies by model
Efficiency	Up to 93%
NOx Emissions	< 70 mg/kWh (Class 5)