De Dietrich MS 24 [100/332] Technical specifications

De Dietrich MS 24 MI [100/332] Technical specifications
100
71.03982.03 - EN
INSTALLATION INSTRUCTIONS
35. TECHNICAL SPECIFICATIONS
Model MS 24 MI FF 24 FF 24 MI 24
Category II2H3P
II2H3P
II2H3P II2H3P
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 efciency 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 ow
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
Specic 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 ue duct diameter
mm 60 60 - -
Coaxial air duct diameter
mm 100 100 - -
2-pipe ue duct diameter
mm 80 80 - -
2-pipe air duct diameter
mm 80 80 - -
Flue duct diameter
mm - - 125 125
Max. ue mass ow rate
kg/s 0,014 0,014 0,020 0,020
Min. ue mass ow 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.

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