DE DIETRICH MCR-P 24 User Manual
Vivadens
Wall-hung gas condensing boilers
MCR-P 24
MCR-P 24/28 MI
MCR-P 30/35 MI
MCR-P 34/39 MI
EN
User Guide
127684-01
Contents
1 Introduction ................................................................................................4
1.1 Symbols used .......................................................4
1.2 Abbreviations ........................................................4
1.3 General ..................................................................5
1.3.1 Manufacturer’s liability .............................................5
1.3.2 Installer’s liability .....................................................5
1.4 Homologations ......................................................5
1.4.1 Certifications ...........................................................5
1.4.2 Gas categories ........................................................6
1.4.3 Additional Directives ................................................6
1.4.4 Factory test .............................................................6
2 Safety instructions and recommendations ..............................................7
2.1 Safety instructions ...............................................7
2.2 Recommendations ................................................7
3 Description ..................................................................................................9
3.1 General description ..............................................9
3.2 Main parts ..............................................................9
3.3 Control panel .......................................................10
4 Operating the appliance ..........................................................................11
4.1 Start the boiler ....................................................11
4.2 Reading out measured values ...........................12
4.3 Changing the settings ........................................13
4.3.1 Changing the heating temperature ........................13
4.3.2 Changing the domestic hot water
temperature ...........................................................14
4.3.3 Modifying the comfort setting (ECO) .....................14
4.3.4 Stopping the central heating or activating the Summer
mode .....................................................................15
4.3.5 Stopping domestic hot water production ...............16
4.3.6 Other settings ........................................................16
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4.4 Installation shutdown .........................................17
4.5 Turning on the antifreeze function ....................18
5 Checking and maintenance .....................................................................19
5.1 General instructions ...........................................19
5.2 Periodic checks ..................................................19
5.3 Filling the system ...............................................20
5.4 Bleeding the heating system .............................21
5.5 Draining the installation .....................................23
6 Troubleshooting .......................................................................................25
6.1 Error codes ..........................................................25
6.1.1 e01 - e02 - e07 - e09 ......................25
6.1.2 e04 ...................................................................25
6.1.3 Other error codes ..................................................25
6.1.4 Before contacting the installer ...............................26
6.2 Incidents and solutions ......................................26
7 Technical specifications ..........................................................................28
7.1 Technical specifications ....................................28
8 Energy savings .........................................................................................30
8.1 Energy savings ...................................................30
8.1.1 Energy-saving advice ............................................30
8.1.2 Room thermostat and settings ..............................30
9 Warranty ....................................................................................................32
9.1 General ................................................................32
9.2 Warranty terms ...................................................32
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MCR-P 24 MCR-P 24/28 MI MCR-P 30/35 MI MCR-P 34/39 MI
1 Introduction
1.1 Symbols used
In these instructions, various danger levels are employed to draw the
user’s attention to particular information. In so doing, we wish to
safeguard the user’s safety, obviate hazards and guarantee correct
operation of the appliance.
1. Introduction
DANGER
Risk of a dangerous situation causing serious physical
injury.
WARNING
Risk of a dangerous situation causing slight physical
injury.
1.2 Abbreviations
CAUTION
Risk of material damage.
Signals important information.
¼Signals a referral to other instructions or other pages in the
instructions.
4 DHW: Domestic hot water.
4 PPS: Polypropylene hardly inflammable.
4 3CE: Collective conduit for sealed boiler.
4 IRC: Interactive remote control.
4 CRC: Communicating remote controller.
4 Hi: Lower heating value LHV (Nett).
4 Hs: Higher heating value HHV (Gross).
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1. Introduction MCR-P 24 MCR-P 24/28 MI MCR-P 30/35 MI MCR-P 34/39 MI
1.3 General
1.3.1. Manufacturer’s liability
Our products are manufactured in compliance with the requirements
of the various applicable European Directives. They are therefore
delivered with [ marking and all relevant documentation.
In the interest of customers, we are continuously endeavouring to
make improvements in product quality. All the specifications stated in
this document are therefore subject to change without notice.
Our liability as the manufacturer may not be invoked in the following
cases:
4 Failure to abide by the instructions on using the appliance.
4 Faulty or insufficient maintenance of the appliance.
4 Failure to abide by the instructions on installing the appliance.
1.4 Homologations
1.3.2. Installer’s liability
The installer is responsible for the installation and inital start up of the
appliance. The installer must respect the following instructions:
4 Read and follow the instructions given in the manuals provided
with the appliance.
4 Carry out installation in compliance with the prevailing legislation
and standards.
4 Perform the initial start up and carry out any checks necessary.
4 Explain the installation to the user.
4 If a maintenance is necessary, warn the user of the obligation to
check the appliance and maintain it in good working order.
4 Give all the instruction manuals to the user.
1.4.1. Certifications
CE identification no
NOx < 70 mg/kWh
Type of connection Chimney: B
5
PIN 0063BQ3009
23
Flue gas outlet: C13,C33,C43,C53,C63,C83, C
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MCR-P 24 MCR-P 24/28 MI MCR-P 30/35 MI MCR-P 34/39 MI
1.4.2. Gas categories
Gas category Gas type Connection pressure (mbar) Countries
II
2H3P
I
2H
Natural gas H (G20) 20 All countries except China
Propane (G31) 50 Bulgaria, Romania
37/50 Czech Republic, Spain
30 Finland, Norway, Slovenia
30/37 Greece, Italy
37 Portugal
30/50 Russia
Natural gas H (G20) 20 China
The boiler is preset in the factory to operate on natural gas H (G20).
1.4.3. Additional Directives
Apart from the legal provisions and Directives, the additional
Directives described in these instructions must also be observed.
1. Introduction
For all provisions and Directives referred to in these instructions, it is
agreed that all addenda or subsequent provisions will apply at the
time of installation.
WARNING
Installation of the appliance must be done by a qualified
engineer in accordance with prevailing local and national
regulations.
1.4.4. Factory test
Before leaving the factory, each boiler is set for optimum performance
and tested to check the following items:
4 Electrical safety
4 Adjustment (CO2)
4 Domestic hot water mode (Only on models with domestic hot water
production)
4 Water tightness
4 Gas tightness
4 Parameter settings
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2. Safety instructions and recommendations
MCR-P 24 MCR-P 24/28 MI MCR-P 30/35 MI MCR-P 34/39 MI
2 Safety instructions and
recommendations
2.1 Safety instructions
DANGER
If you smell gas:
1. Do not use a naked flame, do not smoke, do not
operate electrical contacts or switches ( doorbell,
light, motor, lift, etc..).
2. Shut off the gas supply.
3. Open the windows.
4. Trace possible leaks and seal them immediately.
5. If the gas leak is before the gas meter, contact the
gas supplier.
2.2 Recommendations
DANGER
If you smell flue gases:
1. Switch the appliance off.
2. Open the windows.
3. Trace possible leaks and seal them immediately.
WARNING
4 Installation and maintenance of the boiler must be
carried out by a qualified professional in compliance
with prevailing local and national regulations.
4 When working on the boiler, always disconnect the
boiler from the mains and close the main gas inlet
valve.
4 After maintenance or repair work, check all
installations to ensure that there are no leaks.
CAUTION
The boiler must be installed in a frost-free environment.
Keep this document close to the place where the boiler is
installed.
Casing components
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MCR-P 24 MCR-P 24/28 MI MCR-P 30/35 MI MCR-P 34/39 MI 2. Safety instructions and recommendations
Only remove the casing for maintenance and repair operations. Put
the casing back in place after maintenance and repair operations.
Instructions stickers
The instructions and warnings affixed to the appliance must never be
removed or covered and must remain legible during the entire lifespan
of the appliance. Immediately replace damaged or illegible
instructions and warning stickers.
Modifications
Modifications may only be made to the boiler after the written
permission of De Dietrich Thermique to do so.
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3. Description MCR-P 24 MCR-P 24/28 MI MCR-P 30/35 MI MCR-P 34/39 MI
3 Description
3.1 General description
Wall-hung gas condensing boilers
4 MCR-P 24 - Heating only.
4 MCR-P ... 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-P 24 boiler can be connected to a 80 or 130 litre tank to
produce domestic hot water.
3.2 Main parts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Automatic air vent
Flue gas discharge pipe / Combustive air
Outlet for measuring combustion gases
Heat exchanger
Air/gaz canal
Fan air inlet
Water pressure sensor
Gas block
Display
Control panel
Pressure gauge
Circulating pump
Ignition transformer
Expansion vessel heating circuit
(Except MCR-P 34/39 MI model )
Ignition/ionization electrode
Stand-off frame (optional)
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MCR-P 24 MCR-P 24/28 MI MCR-P 30/35 MI MCR-P 34/39 MI 3. Description
3.3 Control panel
A
B
C
D
E
F
G
H
J
The display indicates the state of the boiler and any errors. The
symbols located above the function keys indicate their current
function.
Pressing on any key will display the current status of the boiler and
the current command code. If there is a fault, the corresponding code
continues to be displayed.
Menu key
Display
Main ON/OFF switch
Pressure gauge
Sweep key
( or RESET key
Heating temperature key or -
DHW temperature key or +
SERVICE or U key
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