DE DIETRICH MS 24 - 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.