Technical specifications – DE DIETRICH MS 24 User Manual
Page 100

100
71.03982.03 - EN
INSTALLATION INSTRUCTIONS
35. TECHNICAL SPECIFICATIONS
Model MS
24 MI FF
24 FF
24 MI
24
Category
II
2H3P
II
2H3P
II
2H3P
II
2H3P
Rated heat input
kW
25,8 25,8 26,3 26,3
Reduced heat input
kW
10,6 10,6 10,6 10,6
Rated heat output
kW
24 24 24 24
kcal/h
20.600 20.600 20.600 20.600
Reduced heat output
kW
9,3 9,3 9,3 9,3
kcal/h
8.000 8.000 8.000 8.000
Useful efficiency according to directive 92/42/EEC
—
★★★
★★★
★★
★★
Max. water pressure in CH system
bar
3
3
3
3
Expansion vessel capacity
l
6 6 6 6
Expansion vessel pressure
bar
1
1
1
1
DHW max. water pressure
bar
8
—
8
—
DHW min. dynamic water pressure
bar
0,15 — 0,15 —
Minimum DHW flow
l/min
2,0
— 2,0
—
DHW output at ∆T=25 °C
l/min
13,7 — 13,7 —
DHW output at ∆T=35 °C
l/min
9,8
— 9,8
—
Specific output (*)
l/min
12
—
12
—
Temperature range in heating system
°C
30/85 30/85 30/85 30/85
Temperature range in DHW system
°C
35/60 35/60*** 35/60 35/60***
Type
—
C12-C32-C42-C52-C82-B22
B
11BS
B
11BS
Coaxial flue duct diameter
mm
60 60
-
-
Coaxial air duct diameter
mm
100 100 -
-
2-pipe flue duct diameter
mm
80 80
-
-
2-pipe air duct diameter
mm
80 80
-
-
Flue duct diameter
mm
-
- 125 125
Max. flue mass flow rate
kg/s
0,014 0,014 0,020 0,020
Min. flue mass flow rate
kg/s
0,014 0,014 0,018 0,018
Max. exhaust temperature
°C
146 146 110 110
Min. exhaust temperature
°C
116 116 85 85
NOx Class
—
3
3
3
3
Type of gas
—
G20 G20 G20 G20
—
G31 G31 G31 G31
Natural gas supply pressure
mbar
20
20
20
20
Propane gas supply pressure
mbar
37
37
37
37
Power supply voltage
V
230 230 230 230
Power supply frequency
Hz
50 50 50 50
Rated power supply
W
130 130 80 80
Net weight
kg
33 32 29 28
Dimensions
Height
mm
730
730
730
730
Width
mm
400
400
400
400
Depth
mm
299
299
299
299
Protection against humidity and water
(**)
IP X5D
IP X5D
IP X5D
IP X5D
(*) according to EN 625
(**) according to EN 60529
(***) with external storage boiler
As DE DIETRICH constantly strives to improve its products, it reserves the right to modify the information contained in this document at
any time and without prior notice. This document is issued purely for the sake of information and should not be considered as a contract
with third parties.