User guide

5
TECHNICAL CHARACTERISTICS
4
DESCRIPTION
GENERAL
The appliances are supplied fully assembled, tested and packed
standing on a timber 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
- Domestic hot water circuit : 10 bar (*)
Test pressure (tank filled with water)
- Heating circuit: 4,5 bar
- Domestic hot water circuit : 13 bar (*)
Operating temperature
- Maximum temperature: 90°C
(*) if the boiler is connected to a domestic hot water production tank.
DOMESTIC HOT WATER PERFORMANCE “N + NHR (110 L)” N 1 N 2
Operating conditions at 85°C
Peak flow at 45°C (ΔT = 35°C)
L/10’
236 236
Peak flow at 60°C (ΔT = 50°C)
L/10’
145 145
GENERAL CHARACTERISTICS N-Mini N 1 N 2 N 3
Input
kW
18.4 22.0 / 28.0 30.4 / 40.0 40.0 / 57.0
Output
kW
16.6 20.0 / 25.0 27.0 / 35.7 36.5 / 51.0
Pressure loss of the flue gas circuit
mbar
0.11 0.15 0.17 0.15
Heating circuit capacity
L
17 31 37 53
Heating connection (female)
Ø
3/4” 1” 1” 1” 1/4
A mm B mm C mm D Ø mm E mm F mm G mm Kg (*)
N-Mini
370 565 495 80 425 357 187 62
N 1
470 700 566 130 550 445 260 108
N 2
470 765 566 130 615 510 260 122
N 3
530 805 656 150 645 550 260 157
(*) The weights shown are the drained weights.
A
C
G
F
B
E
Ø D
470
915
915
470
510
A
C
G
F
B
E
Ø D
470
915
NHR (110L)