
5
TECHNICAL CHARACTERISTICS
GENERAL
The appliances are supplied fully assembled, tested and packed
standing on a timber transport base with impact protection strips and
wrapped in heat-shrunk plastic film. When the appliance arrives,
remove the packaging and check that no parts have been damaged
in transit.
Refer to the dimensions and weights listed below for handling
purposes:
DIMENSIONS
OPERATING CONDITION LIMITS
Maximum service pressure
(tank filled with water)
- Heating circuit: 3 bar
- Hot water circuit: 10 bar
Test pressure
(tank filled with water)
- Heating circuit: 4.5 bar
- Hot water circuit: 13 bar
Operating temperature
- Maximum temperature: 90°C
A
J
Ø
D
G
B
L
C
K
F
H
I
HOT WATER OUTPUT DATA
BNE 1
BNE 2
BNE 3
• Operating conditions at 80°C
Peak flow at 40°C (
∆
T = 30°C)
l/10 min.
311
311
311
Constant flow at 40°C (
∆
T = 30°C)
l/h
716.4
898.8
898.8
GENERAL CHARACTERISTICS
BNE 1
BNE 2
BNE 3
Input
kW
22/28
30/41
40/57
Output
kW
20/25
28/36
36.5/51
Loss of head
mbar
20.0
25.5
30.0
Flue gas pressure loss
mbar
0.15
0.17
0.15
Total capacity
l
184
186
248
Heating circuit capacity
l
64
66
128
Hot water connection
(male)
Ø
3/4”
3/4”
3/4”
Heating connection
(female)
Ø
1”
1”
1” 1/4
Boiler heating surface
m
2
1.1
1.1
1.1
A
mm
B
mm
C
mm
D Ø
mm
F
mm
G
mm
H
mm
I
mm
J
mm
K
mm
L
mm
Kg (*)
BNE 1
590
1505
640
130
463
260
615
1390
270
300
700
204
BNE 2
590
1570
640
130
526
260
615
1450
270
300
700
222
BNE 3
690
1610
740
150
564
260
715
1475
270
350
800
283
(*)
The weights shown are drained weights.