DeDietrich MIT/E iSystem Manuale utente
EN
Interior hydraulic module
MIT iSystem
User Guide
300028952-001-01
Contents
1 Introduction ................................................................................................4
1.1 Symbols used .......................................................4
1.1.1 Symbols used in the manual ...................................4
1.1.2 Symbols used on the equipment .............................4
1.2 Abbreviations ........................................................5
1.3 General ..................................................................5
1.3.1 Manufacturer's liability .............................................5
1.3.2 Installer's liability .....................................................6
1.3.3 User's liability ..........................................................6
1.4 Homologations ......................................................6
1.4.1 Certifications ...........................................................6
2Safety instructions and recommendations ..............................................7
2.1 Safety instructions ...............................................7
2.2 Recommendations ................................................7
3Description ..................................................................................................8
3.1 General description ..............................................8
3.2 Control panel .........................................................8
3.2.1 Description of the keys ............................................8
3.2.2 Description of the display ........................................9
3.2.3 Browsing in the menus ..........................................12
4 Operating the appliance ..........................................................................14
4.1 Putting the appliance into operation ................14
4.2 Reading out measured values ...........................15
4.3 Changing the settings ........................................16
4.3.1 Setting the set point temperatures ........................16
4.3.2 Selecting the operating mode ...............................17
4.3.3 Forcing domestic hot water production .................18
4.3.4 Setting the contrast and lighting on the
display ...................................................................18
4.3.5 Setting the time and date ......................................19
4.3.6 Selecting a timer programme ................................19
4.3.7 Customising a timer programme ...........................20
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4.4 Installation shutdown .........................................22
4.5 Turning on the antifreeze function ....................22
5 Troubleshooting .......................................................................................23
5.1 Anti-hunting ........................................................23
5.2 Messages .............................................................23
5.3 Faults (Code type Lxx or Dxx) ...........................26
6 Technical specifications ..........................................................................28
6.1 Technical specifications ....................................28
6.1.1 Electricity supply ...................................................28
7 Energy savings .........................................................................................29
7.1 Energy savings ...................................................29
7.1.1 Energy-saving advice ............................................29
7.1.2 Room thermostat and settings ..............................29
7.2 Recommendations ..............................................29
8 Warranty ....................................................................................................31
8.1 General ................................................................31
8.2 Warranty terms ...................................................31
Contents
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1 Introduction
1.1 Symbols used
1.1.1. Symbols used in the manual
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.
¼ Signals a referral to other instructions or other pages in the
instructions.
1.1.2. Symbols used on the equipment
1 2
M002628-A
Disconnect the mains power prior to any operations.
Before installing and commissioning the device, read
carefully the instruction manuals provided.
Dispose of the used products in an appropriate recovery
and recycling structure.
MIT iSystem 1. Introduction
24/05/2012 - 300028952-001-01 4
1.2 Abbreviations
4DHW: Domestic hot water
4PPS: Polypropylene hardly inflammable
4PCU: Primary Control Unit - PCB contoller for heat pump operation
4PSU: Parameter Storage Unit - Parameter storage for PCBs
PCU and SU
4SCU: Secondary Control Unit - DIEMATIC iSystem control panel
PCB
4SU: Safety Unit - Safety PCB
43WV: 3-way valve
4EVU: Power supply company
4MIT: Indoor module fitted with a DIEMATIC iSystem control panel
4HP or PAC: Heat pump
4EER: Frigorific efficiency ratio
4COP: Performance coefficient
4Supply temperature: Temperature of the water circulating in the
radiators or in the underfloor heating.
4Ambient temperature: Temperature inside the house or in a room.
4Room temperature instruction: Temperature programmed in the
control system that must be reached by the heat pump.
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:
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. Introduction MIT iSystem
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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.
4To carry out inspections and maintenance required by a qualified
professional.
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.
1.4 Homologations
1.4.1. Certifications
This product complies to the requirements to the european directives
and following standards:
42006/95/EC Low Voltage Directive. Reference Standards:
EN60335-1 / EN60335-2-40.
42004/108/EC Electromagnetic Compatibility Directive. Generic
standards: EN1000-6-3 , EN 61000-6-1.
MIT iSystem 1. Introduction
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2 Safety instructions and
recommendations
2.1 Safety instructions
DANGER
If smoke is released or in case of refrigerant leak:
1. Switch the appliance off.
2. Open the windows.
3. Evacuate the premises.
4. Contact a qualified professional.
CAUTION
Do not neglect to service the appliance. Contact a qualified
professional or take out a maintenance contract for the
annual servicing of the appliance.
2.2 Recommendations
WARNING
Only qualified professionals are authorised to work on the
appliance and the installation.
4Regularly check that the water pressure in the installation is
between 1,5 and 2 bar.
4Ensure that the appliance is accessible at all times for
maintenance purposes.
4Avoid draining the installation.
4Use only original spare parts.
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.
2. Safety instructions and recommendations MIT iSystem
724/05/2012 - 300028952-001-01
3 Description
3.1 General description
The MIT module is fitted with a DIEMATIC iSystem control panel with
integrated regulator. It handles the automatic operation of the heat
pump as a function of:
4The outside temperature.
4The ambient temperature when the remote control (as an option)
is connected.
The DIEMATIC iSystem control panel enables:
4The independent control of a direct circuit without mixing valve and
a circuit with mixing valve.
4The independent control system on a DHW preparation circuit.
4Anti-freeze protection for the installation and the environment if the
home is empty (This period may be programed up to 99 days).
The MIT module also integrates the 30-litre buffer / pressure release
tank and additional electrical heating (Only MIT/E).
3.2 Control panel
3.2.1. Description of the keys
ATemperature setting key (heating, DHW, swimming pool)
M002616-A
bar
STD
0 2 4 6 8 10 12 14 16 18 22 2420
b
v
AUTO
g
A
B
C
DEF
w
1
1
2
MIT iSystem 3. Description
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BOperating mode selection key
CDHW override key
DKey to access the parameters reserved for the installer
EKeys on which the function varies as and when selections
are made
¼ See: "Key functions", page 9
FRotary setting button:
4Turn the rotary button to scroll through the menus or
modify a value
4Press the rotary button to access the selected menu
or confirm a value modification
3.2.2. Description of the display
nKey functions
>Access to the various menus
(Used to scroll through the menus
'Used to scroll through the parameters
?The symbol is displayed when help is available
fUsed to display the curve of the parameter selected
STD Reset of the time programmes
bSelection of comfort mode or selection of the days to be
programmed
vSelection of reduced mode or deselection of the days to
be programmed
jBack to the previous level
ESC Back to the previous level without saving the
modifications made
tManual reset
nSolar (If connected)
uThe solar load pump is running
L000200-A
The top part of the tank is reheated to the tank set point
L000201-A
The entire tank is reheated to the tank set point
L000198-A
The entire tank is reheated to the solar tank set point
L000199-A
The tank is not loaded - Presence of the solar control
system
bar r
STD
('t
0 2 4 6 8 10 12 14 16 18 22 2420
C002696-A
pb
AUTO
x
c
r
j
L
gm
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
L000197-A
pb
AUTO
x
c
r
j
M
gm
3. Description MIT iSystem
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