Description, General description, Main parts – DE DIETRICH VIVADENS MCR 24, MCR .._.. MI User Manual
Page 10: 3 description, 1 general description, 2 main parts

3 Description
3.1
General description
Wall-hung gas condensing boilers
4
MCR 24 -
Heating only.
4
MCR ../.. MI -
Heating and instantaneous domestic hot water
production.
4
Low pollutant emissions.
4
Flue gas discharge via a forced flue, chimney, bi-flow or 3CE type
connection.
The MCR 24 boiler can be connected to a 80 or 130 litre tank to
produce domestic hot water.
3.2
Main parts
1
Automatic air vent
2
Flue gas discharge pipe / Combustive air
3
Outlet for measuring combustion gases
4
Heat exchanger
5
Air/gaz canal
6
Fan air inlet
7
Gas block
8
Display
9
Control panel
10
Pressure gauge
11
Circulating pump
12
Ignition transformer
13
Expansion vessel heating circuit
(Except MCR 34/39 MI model )
14
Ignition/ionization electrode
15
Stand-off frame (optional), Mounting frame, delivered with
the boiler
16
Water pressure sensor
12
14
15
13
16
T004250-A
3. Description
MCR 24 MCR 24/28 MI MCR 30/35 MI MCR 34/39 MI
9
160513 - 300015874-001-01