7
TECHNICAL PASSPORT, INSTALLATION AND MAINTENANCE MANUAL
3
TECHNICAL SPECIFICATIONS
Parameters
Unit of
measurement
S20P
S30P
S40P
Nominal power
kW
20
30
40
Nominal power range
kW
6-20
6-30
6-40
Heated area
m
2
100-200
150-300
200-400
Efficiency
%
84
84
84
Boiler class LST EN 303-5
class
4
4
4
Maximum working pressure
bar
1,5
1,5
1,5
Maximum boiler operating
temperature
°C
85
85
85
Minimum boiler operating
temperature
°C
60
60
60
Minimum return water
temperature
°C
50
50
50
Water tank volume
l
32
42
52
Combustion chamber volume
l
168
240
300
Hydraulic system connection
dimensions DN 32
inch
1 1/4
1 1/4
1 1/4
Boiler hydraulic resistance
Δt = 10 °C→mbar
Δt = 20 °C→mbar
10,2
2,9
10,2
2,9
10,2
2,9
Chimney connection
mm
Ø 180
Ø 200
Ø 200
Chimney height from the floor
mm
1550
1285
1549
Fuel consumption at nominal
power
kg/h
4,5
5,5
6,0
Required chimney draft
mbar
0,12
0,12
0,12
Boiler diameter
mm
560
670
670
Boiler height
mm
2100
1700
2100
Boiler weight
kg
188
258
318
Door opening dimensions
mm
245 x 215
245 x 215
245 x 215
Power supply inlet
-
220 V, 3 A.
220 V, 3 A.
220 V, 3 A.
Boiler noise EN 15036-1
dB
63
63
63
Main fuel pellet length
mm
8 - 6 mm
8 - 6 mm
8 - 6 mm
Hopper diameter
mm
560
560
560
Hopper height
mm
1500
1500
1500
Hopper weight
kg
25
25
25
Hopper capacity
m
3
0,25
0,25
0,25
Note: the boiler operates at a negative pressure in the firebox.
How to reduce boiler noise: we recommend installing the boiler in a separate room.
