Operation Manual
EN • 10
ENFRRU PL DE IT ES NL
Delta Pro S / Delta Pro Pack : 664Y4900 • E
8 9
5 6
1 2 3 4 7 10 1311 1712 14 15 16
T2 S3T1NL1 B4
Br
Y/Gr
B
Bk
G
Gr
Br
Y/Gr
B
Br
B
Y/Gr
Br
B
Y/Gr
Y/Gr
B
V
B
Y/Gr
Or
Or
Y/Gr
Br
B
Bk
Bk
V
B
Or
Or
B
Br
Y/Gr
Y/Gr
Y/Gr
Or
Bk
Y/Gr
Y/Gr
B
Bk
V
V
Bk
G
Gr
t
M
109
1
230 V ~ 50 Hz
6A
LPE N
8
7
tt
t
6
5
4
3
2
1
P
1
1a
1
C
4
1
C
4
2
2a
1
1a
1
C
4
ELECTRICAL CONNECTION
SUPPLY PRINCIPLE
The boiler uses a single phase supply at 230 V - 50 Hz. A mains isolator with 6A
mcb (5A fuse) must be fitted outside the boiler to allow the power to be shut
off during servicing and before any repairs are carried out.
COMPLIANCE
The installation must comply with current regulations.
SAFETY
The hot water circuit must be connected separately to earth.
1. Boiler supply
2. On/off switch
3. Safety thermostat [103°C max.]
4. Summer/winter selector
5. Control thermostat [60/90°C]
6. Cut-off thermostat [95°C max.]
7. Connection terminal
8. Burner connection plug [7 pin]
9. Room thermostat connection (optional)
10. Connection of the heating circulator
[optional except for on Pro Pack]
B. Blue
Br. Brown
Bk. Black
G. Grey
Gr. Green
Or. Orange
V. Violet
Y/Gr. Yellow/Green
The power to the boiler must be isolated before any work is
carried out on it.
ELECTRICAL CONNECTION