DeDietrich MCR 24 User manual

Vivadens EN
Wall-hung gas condensing boilers
MCR 24/28 BIC
User Guide
300024112-001-01

Contents
1 Introduction ................................................................................................4
1.1 Symbols used .......................................................4
1.2 Abbreviations ........................................................4
1.3 General ..................................................................4
1.3.1 Manufacturer’s liability .............................................4
1.3.2 Installer’s liability .....................................................5
1.3.3 User’s liability ..........................................................5
1.4 Homologations ......................................................6
1.4.1 Certifications ...........................................................6
2Safety instructions and recommendations ..............................................7
2.1 Safety instructions ...............................................7
2.2 Recommendations ................................................8
3Description ..................................................................................................9
3.1 General description ..............................................9
3.2 Control panel .........................................................9
4Operating the appliance ..........................................................................11
4.1 Starting and stopping the boiler .......................11
4.1.1 Start the boiler .......................................................11
4.1.2 Stopping the boiler ................................................12
4.2 Changing the settings ........................................13
4.2.1 Changing the heating temperature ........................13
4.2.2 Modifying the comfort setting (ECO) .....................13
4.2.3 Stopping the central heating or activating the Summer
mode .....................................................................14
4.2.4 Changing the domestic hot water
temperature ...........................................................15
4.2.5 Stopping domestic hot water production ...............16
4.2.6 Other settings ........................................................16
4.3 Prolonged absence .............................................17
4.3.1 Installation shutdown .............................................17
4.3.2 Turning on the antifreeze function .........................17
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4.4 Reading out measured values ...........................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
6 Troubleshooting .......................................................................................24
6.1 Error codes ..........................................................24
6.1.1 e01 - e02 - e07 - e09 ......................24
6.1.2 e04 ...................................................................24
6.1.3 Other error codes ..................................................24
6.1.4 Before contacting the installer ...............................25
6.2 Incidents and solutions ......................................25
7 Technical specifications ..........................................................................27
7.1 Technical specifications ....................................27
8 Energy savings .........................................................................................29
8.1 Energy savings ...................................................29
8.1.1 Energy-saving advice ............................................29
8.1.2 Room thermostat and settings ..............................29
9 Warranty ....................................................................................................31
9.1 General ................................................................31
9.2 Warranty terms ...................................................31
Contents
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3170513 - 300024112-001-01

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.
DANGER
Risk of a dangerous situation causing serious physical
injury.
WARNING
Risk of a dangerous situation causing slight physical
injury.
CAUTION
Risk of material damage.
Signals important information.
¼Signals a referral to other instructions or other pages in the
instructions.
1.2 Abbreviations
4DHW: Domestic hot water.
4IRC: Interactive remote control.
4CRC: Communicating remote controller.
4Hi: Lower heating value LHV (Nett).
4Hs: Higher heating value HHV (Gross).
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.
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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:
4Failure to abide by the instructions on using the appliance.
4Faulty or insufficient maintenance of the appliance.
4Failure to abide by the instructions on installing the appliance.
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:
4Read and follow the instructions given in the manuals provided
with the appliance.
4Carry out installation in compliance with the prevailing legislation
and standards.
4Perform the initial start up and carry out any checks necessary.
4Explain the installation to the user.
4If a maintenance is necessary, warn the user of the obligation to
check the appliance and maintain it in good working order.
4Give all the instruction manuals to the user.
1.3.3. User’s liability
To guarantee optimum operation of the appliance, the user must
respect the following instructions:
4Read and follow the instructions given in the manuals provided
with the appliance.
4Call on qualified professionals to carry out installation and initial
start up.
4Get your installer to explain your installation to you.
4Have the required checks and services done.
4Keep the instruction manuals in good condition close to the
appliance.
This appliance is not intended to be used by persons (including
children) whose physcial, sensory or mental capacity is impaired or
persons with no experience or knowledge, unless they have the
benefit, through the intermediary of a person responsible for their
safety, of supervision or prior instructions regarding use of the
appliance. Care should be taken to ensure that children do not play
with the appliance.
To prevent hazardous situations from arising, if the mains lead is
damaged it must be replaced by the original manufacturer, the
manufacturer’s dealer or another suitably skilled person.
1. Introduction MCR 24/28 BIC
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1.4 Homologations
1.4.1. Certifications
CE identification no PIN 0063BQ3009
NOx < 60 mg/kWh
MCR 24/28 BIC 1. Introduction
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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. Evacuate the premises.
5. Call your fitter.
DANGER
If you smell flue gases:
1. Switch the appliance off.
2. Open the windows.
3. Evacuate the premises.
4. Call your fitter.
WARNING
Depending on the settings of the appliance:
4The temperature of the flue gas conduits may exceed
60°C.
4The temperature of the radiators may reach 85°C.
4The temperature of the domestic hot water may reach
65°C.
CAUTION
Do not neglect to service the appliance:
4For completely safe and optimum operation, you
must have your boiler regularly serviced by an
approved installer.
2. Safety instructions and recommendations MCR 24/28 BIC
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2.2 Recommendations
WARNING
Only qualified professionals are authorised to work on the
appliance and the installation.
4Regularly check the water pressure in the installation (minimum
pressure 0,8 bar, recommended pressure between 1,5 and 2,0
bar).
4Keep the appliance accessible at all times.
4Never remove or cover labels and rating plates affixed to the
appliance. Labels and rating plates must be legible throughout the
entire lifetime of the appliance.
4The appliance should be on Summer or Antrifreeze mode rather
than switched off to guarantee the following functions:
-Anti blocking of pumps
-Antifreeze protection
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3 Description
3.1 General description
Wall-hung gas condensing boilers
4Heating and domestic hot water production with integrated DHW
tank.
4High efficiency heating.
4Low pollutant emissions.
4Installation and connection facilitated by the mounting frame
delivered with the appliance.
4Flue gas discharge via a forced flue, chimney, bi-flow or 3CE type
connection.
3.2 Control panel
AMenu key
BDisplay
CMain ON/OFF switch
DPressure gauge
ESweep key
F( or RESET key
GHeating temperature key or -
HDHW temperature key or +
JSERVICE or U key
3. Description MCR 24/28 BIC
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