21
INSTALLATION
2.12
Wiring diagram
K
R
TB
X6
XP6
C
MV
M
V
F
E
White
LV
FU
LR
2
1
C
PE
TS
2
1
C
PE
TR
COM.G.
1
2
C
PE
Tm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CTB
1TB
2TB
NPB
L1PB
PEPB
L1
N
PE
TA
TA
NPI
L1PI
PEPI
C
3
B 2 A 1
12
11
11
12
8
10
9
7
6
8
9
10
7
6
1
3
5
4
2
3
4
5
2
PI
AE 230V ~ 50Hz
CO1 CO2
MO1
3
2
1
N
L1
RE
DAI
C
C
NC
1
2
N
NC
1
White
Yellow/Green
Black
Black Red
Grey
Violet
Blue
HEAT
REQUEST
BURNER CONTROLLER
RESET
AE
Power supply
COM.G.
3 position function selector
LV
Mains power indicator
LR
Burner lockout indicator
TS
Safety thermostat (100°C 0/-6) (*)
TR
Boiler control thermostat (55 -
82°C)(*)
Tm
Minimum temperature thermostat
(50°C)
FU
Mains power fuse 6.3 A-T
CO1-CO2 Multi-connectors
MO1
Terminal strip
PI
Central heating system pump
DAI
Automatic shut-off device (not
supplied; only where required).
The automatic shut-off device (DAI)
and the relay (RE) must be suitable
for a 230 VAC power supply.
RE
Relay (not supplied)
X6
6 pin burner connector (female)
(*) Homologated
C Condenser
E
Ignition electrodes
F
Flame detector
K
Thermostat for enabling start-up after pre-heating
MV
Fan motor
R
Heating element
TB
Burner ground
V
Fuel oil valve
XP6
6 pin burner connector (male)
