6
Overview
Boiler technical data
Boiler
20
25
30
40
40S
50
60
70
50L
60L
75L
100L
Filling doors H/W
(2x for 40S-70)
cm
60/34
60/34
60/34
36/54
36/54
36/54
36/54
36/54
36/54
36/54
36/54
36/54
Flow /return
F/R
1¼’’
1¼’’
1¼’’
1¼’’
1¼’’
1¼’’
1¼’’
1¼’’
1¼’’
1¼’’
1½‘’
1½’’
Drain
D
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
3/4
3/4
Safety heat
exchanger
HE
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
Opt. Filling lid
height/width
cm
–
–
–
–
–
–
–
–
36/54
36/54
36/54
–
Weight
kg
515
515
515
710
925
925
925
925
940
940
1080
1200
Transport width
cm
50
50
50
69
69
69
69
69
69
69
69
89
General
operatin
g data
Rated heating power
kW
20
25
30
40
40
50
60
70
50
60
75
93
Max. operating
overpressure
bar
3
3
3
3
3
3
3
3
3
3
3
3
Permissible feed
temperature
°C
100
100
100
100
100
100
100
100
100
100
100
100
Min. return temperature
°C
55
55
55
55
55
55
55
55
55
55
55
55
Qmin. (SWT)
ltr/h
600
600
600
100
0
1200
1200
1200
1200
1200
1200
1200
1400
Δp (20K)
mbar
0.57
0.89
1.3
2.3
2.3
3.6
5.2
7.1
3.6
5.2
5.2
6.6
Power
and
emission
data
at tested
rated
power
Exhaust fume
temperature
°C
158
160
163
169
169
173
178
182
173
172
171
169
CO2 content
%
15
15
15
15
15
15
15
16
16
16
15
15
CO (at 13% O2)
mg/Nm
3
80
91
102
123
123
144
166
187
126
135
149
172
Solids emission (dust)
mg/Nm
3
15
15
14
14
14
14
15
15
14
14
14
14
Boiler efficiency
%
91
90.8
90.6
90.1
90.1
90.3
90.4
90.6
90
90.4
91
91.9
Contents Boiler water capacity
litres
115
115
115
210
255
255
255
255
370
370
410
470
Filling chamber volume
litres
150
150
150
190
290
290
290
290
340
340
400
460
Filling chamber depth
cm
60
60
60
60
60
60
60
60
110
110
130
110
Combustion duration
approx.
hrs.
7
6
5
5
8
7
6
5
8
6
6
6
Storage
tank
volume
Minimum Volume
Recommended by Strebel
litres
1200
1500
1800
2400
2400
3000
3600
4200
3000
3600
5000
8000
Flue
Required outlet pressure
mbar
0,10
0,10
0,10
0,10
0,10
0,10
0,10
0,10
0,10
0,10
0,10
0,10
Exhaust fume mass flow
rate
g/s
15
19
23
30
30
39
46
54
39
45
45
80
Diameter of exhaust
nozzle
cm
15
15
15
18
18
18
18
18
18
18
20
20
The manufacturer’s tables are authoritative for the dimensioning of the flue etc. Austria/Germany: in the case of existing systems, the flue must
be inspected by a master chimney sweep! UK & Eire: the chimney must be swept as per local regulations.
Strebelwerk GMBH reserve the right to change any data without prior notice.
Summary of Contents for 40S-70
Page 27: ...23 Commissioning Circuit diagram ...
Page 29: ...24 Commissioning Short operating instructions ...
Page 31: ......
Page 35: ...28 Notes ...
Page 38: ......
