13
Dimensions and connections
10
23÷43
68
23÷43
68
3
52 52 88 39
116
116
52 52 88 39
G
G
TA / L
L
TA
F
F
C
C
M
M
R
R
400
700
680
712
120
R
M C
300
200
200
00029_03
Ø 130
180
S
16
35
45
159
136
G F
Legend:
G
Gas: connection on the boiler ¾”;
on the wall, using the optional
original fitting kit ½”
R
System return (¾”)
M
System flow (¾”)
C
DHW outlet (½”)
F
Fresh water inlet (½”)
TA/L
Indicative position for
electrical power supply and
room thermostat wirings
TA
Room thermostat wiring
L
Electrical power supply wiring
S
Flue outlet
front view -
hydraulic connections
on the wall
(with optional fitting kit)
upper view
front view -
hydraulic connections
on the boiler
left side view -
hydraulic connec-
tions on the boiler
Pump capacity diagram
0
1
2
3
4
5
6
0
200
400
1000
1200
600
800
1400
00023 A
00
pr
essur
e (m H
2
O)
water flow (l/h)
speed 3 of the pump
speed 2 of the pump
City Basic 24 C
The graph is referred
to the capacity available
to the system.
Specifications for inlet air
Air must be withdrawn from places free of pollutant (like fluorine, chlorine, sulfur, ammonia, alkaline or
similar agents). In the event of installation of the boiler in atmospheres with not negligible presence of
aggressive chemical substances (e.g. hairdressing salons, laundries) we recommend to install a type C
appliance, i.e. a forced draught and sealed chamber boiler, with air inlet from outdoor.
