Technical Data - Saunier Duval ISOFAST F 28 E Installation And Operating Instructions Manual
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TECHNICAL DATA
Heating
Heating output ajustable from ... (kW)
from ... (BTU/H) 35,485 39,920
to ... (BTU/H) 94,170 118,053
Efficiency
Maximum heating temperature
Expansion vessel effective capacity (l)
Expansion vessel charge pressure (bar)
Maximum system capacity at 75°C (l)
Safety valve,
maximum service pressure (bar)
Products outlet diameter
Fresh air inlet diameter
Hot water
Hot water output
automatically variable from ... (kW)
from ... (BTU/H) 35,485 39,920
to ... (BTU/H) 94,170 118,053
Maximum hot water temperature (°C)
Specific flow rate
(for 30°C temp rise)
Threshold flow rate
Nominal water flow rate
Maximum supply pressure
Minimum operating pressure
Pump 28 kW
60
1
50
2
3
40
4
5
30
20
10
0
0
200
400
600
Flow rate through heating system (I/h)
(10 kPa = 1 m WG)
1
2
Bypass fully shut
6
10,4
11,7
to ... (kW)
27,6
34,6
(%)
82
83
(°C)
87
87
7
12
0,5
0,5
160
275
3
3
(mm)
60
60
(mm)
100
100
10,4
11,7
to ... (kW)
27,6
34,6
60
60
(l/min.)
13,2
16,5
(l/min.)
1
1
(l/min.)
11,3
16,5
(bar)
8
8
(bar)
0,7
0,7
800
1000
1200
3
Open 1/4 turn
Open 1/2 turn
Natural Gas (G20)
Ø Burner injector
Inlet pressure
Burner pressure
Gas rate maximum
Gas rate minimum
Electrical supply
Maximum absorbed power
Level of protection
Pump 35 kW
80
70
60
1
2
50
3
4
5
40
30
20
10
0
0
200
400
Flow rate through heating system (I/h)
(10 kPa = 1 m WG)
4
Open 1 turn
(mm)
1,20
1,20
(mbar)
2 0
2 0
(mbar)
13,8
14,1
(m
3
/h)
3,20
3,98
(m
3
/h)
1,32
1,48
(V)
230
230
(W)
220
220
IP44
IP44
600
800
1000
1200
5
Open 2 turns
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