Daikin D2C18ND024A5AA, D2HND012A5AA, D2HND018A5AA Operation manuals
Operation manual
Wall-mounted condensing boiler
D2C18ND024A5AA
D2HND012A5AA
D2HND018A5AA
Operation manual
Wall-mounted condensing boiler
Manuel d'utilisation
Chaudière murale à condensation
English
Français
Table of Contents
Table of Contents
1 Introduction 2
1.1 About the unit ............................................................................ 2
1.2 About the documentation .......................................................... 2
1.2.1 Meaning of warnings and symbols.............................. 2
2 Safety instructions 2
2.1 Installation ................................................................................. 2
2.2 Smell of gas............................................................................... 3
2.3 Modifications on the unit............................................................ 3
2.4 Gas conversion ......................................................................... 3
2.5 For the user ............................................................................... 3
3 Operation 3
3.1 User interface ............................................................................ 3
3.1.1 Buttons and dials ........................................................ 3
3.1.2 LCD screen................................................................. 4
3.1.3 Status indicator ........................................................... 4
3.2 Operating the unit...................................................................... 4
3.2.1 To switch ON the unit.................................................. 4
3.2.2 About the low water temperature function .................. 4
3.2.3 About the electronic gas adaptive system calibration. 4
3.3 Basic usage............................................................................... 4
3.3.1 About the home screen............................................... 4
3.3.2 To select the operation mode ..................................... 5
3.3.3 Possible operation modes........................................... 5
3.3.4 Changing temperature setpoints................................. 5
3.3.5 Possible central heating operation modes.................. 6
3.3.6 About the central heating ECO mode ......................... 6
3.3.7 About the domestic hot water operation ..................... 6
3.3.8 About the domestic hot water comfort mode .............. 7
3.3.9 About the boiler frost protection.................................. 7
3.3.10 About Energy Metering Function ................................ 7
3.4 Error handling............................................................................ 7
3.5 Menu functions .......................................................................... 7
3.5.1 To use menu level 1.................................................... 7
3.5.2 Info menu.................................................................... 8
3.5.3 User settings menu..................................................... 8
3.5.4 Installer settings menu................................................ 9
4 Maintenance and cleaning 10
4.1 To clean the outer surface of the unit........................................ 10
A control unit, which contains a user interface, controls the ignition,
safety systems, and other actuators. User interaction is provided via
that user interface, which is composed of an LCD screen, push
buttons, and two dials, and which is located on the front cover of the
unit.
1.2 About the documentation
The instructions contained in this document are intended to guide
you through the operation of the unit. Damage caused by nonobservance of these instructions are not under the responsibility of
Daikin.
▪ The original documentation is written in English. All other
languages are translations.
▪ The precautions described in this document are written for users
and cover very important topics, follow them carefully.
▪ Please read the instructions in the manual carefully, for your
safety and health.
▪ Please keep this manual for future reference throughout the unit's
period of use.
▪ Request the installer to inform you about the settings that he
made to configure your system.
1.2.1 Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
WARNING
Indicates a situation that could result in death or serious
injury.
CAUTION
Indicates a situation that could result in minor or moderate
injury.
NOTICE
Indicates a situation that could result in equipment or
property damage.
INFORMATION
Indicates useful tips or additional information.
5 Energy saving tips 10
6 Contact 10
7 Error codes 10
1 Introduction
1.1 About the unit
This Daikin unit is a wall-mounted gas-fired condensing boiler that
can supply heat to central heating systems, as well as supply
domestic hot water. Depending on settings, it is possible to use the
unit solely for hot water or solely for central heating. Hot water
supply type can be instantaneous or by means of a hot water
storage tank. Heating only boilers do not supply domestic hot
water. The type of the boiler can be recognised from the model
name written on the identification label, which is located at the right
cover of the unit. See table below:
Model Type Domestic hot water
supply
D2C18ND024A5AA D2C18ND024 Instantaneous
D2HND012A5AA D2HND012 Heating only
D2HND018A5AA D2HND018 Heating only
Operation manual
2
2 Safety instructions
Always observe the following safety instructions and regulations.
2.1 Installation
WARNING
Installation, service, maintenance and repair of the boiler
can only be carried out by suitably qualified competent
persons, in accordance with the applicable legislation,
regulations, rules and guidelines.
WARNING
The unit may only be operated with its casing properly
mounted. Otherwise, in unfavourable conditions, material
damage or even injury or death can result.
CAUTION
A discharge pipe must be connected to the condensate
trap in order to prevent contact with the condensate.
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469438-9H – 2018.05
3 Operation
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e f g
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In case your skin comes into contact with condensate, the contact
location should be washed with plenty of water. Condensate liquid
must never be used for purposes of cleaning, watering plants, or
drinking.
2.2 Smell of gas
DANGER
This is a gas unit. Gas leaks might lead to poisoning and
explosions.
If you smell gas:
▪ Do not use any electrical switches, including light switches.
▪ Do not use telephones in the affected area.
▪ Do not use naked flames, such as matches or lighters.
▪ Do not smoke.
▪ Turn off the main gas supply.
▪ Open windows and doors.
▪ Warn other people in the building.
▪ Get out of the building.
▪ Inform your gas supplier, service agent or other competent
person.
2.3 Modifications on the unit
DANGER
Malfunctions can lead to poisoning and explosions. Never
put the safety devices out of operation, nor tamper with
them so as to impair their function.
2.5 For the user
CAUTION
Any misuse is forbidden. The manufacturer is not
responsible for any malfunctions and/or damage that may
occur due to misuse.
▪ Your unit is intended as a heater for central heating systems and
for domestic hot water generation. Any other use is considered as
"misuse".
▪ If you are not sure how to operate the unit, contact your service
agent.
▪ This appliance can be used by children aged from 8 years and
above and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in
a safe way and understand the hazards involved. Children shall
NOT play with the appliance. Cleaning and user maintenance
shall NOT be made by children without supervision.
CAUTION
Do not rinse the unit. This may cause electric shocks or
fire.
NOTICE
▪ Do not place any objects or equipment on top of the
unit.
▪ Do not sit, climb or stand on the unit.
3 Operation
CAUTION
An inappropriate modification may cause damage. Never
tamper with the boiler or other parts of the system. Never
attempt to perform maintenance or repair yourself. Call a
qualified service agent.
CAUTION
Do not use sprays, solvents, chlorinated cleaning agents,
paint, and adhesives in the vicinity of the unit. These
substances can cause corrosion, even in the flue system.
DANGER
Do not damage or remove any seals on components. Only
qualified persons are allowed to alter sealed components.
Do not make any modifications on:
▪ Boiler
▪ Gas, water or power supply
▪ Flue system
2.4 Gas conversion
WARNING
Never attempt to do gas conversion yourself. Only qualified
persons can do gas conversion. Contact your service
agent.
This unit is able to be operated with both natural gas and LPG. The
preset gas type is indicated on the identification label of your unit. If
you desire to use your unit with the other fuel type, contact your
service agent.
3.1 User interface
a Left dial
b LCD screen
c Right dial
d Mode / Reset
e Status indicator
f Cancel / Back
g Menu / Enter
3.1.1 Buttons and dials
The three buttons and two dials on the user interface have various
functions according to different situations, which are stated in the
table below:
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469438-9H – 2018.05
Operation manual
3
3 Operation
Button/Dial Function Description
Mode /
Reset
Cancel /
Back
Menu / Enter Menu Enter the menu function.
Left dial User
Right dial User
Mode Change mode between summer,
winter, central heating only, standby
and full-off.
Reset Reset the lockout error.
Cancel Cancel changes.
Back Go back to the parent menu.
Enter Passing on to the next level in the
menu structure.
Confirm Confirmation of changes.
Central heating temperature setpoint.
interaction
level
Menu level Selection of info, user, service menu.
interaction
level
Menu level ▪ Selection parameter index.
This is either the central heating flow
temperature, the room temperature,
or the virtual room temperature,
depending on the system
configuration.
Domestic hot water temperature
setpoint.
▪ Change parameter values.
3.1.2 LCD screen
LCD screen is the monitor of the user interface. You can see the
boiler operation mode, setpoints, information about actuators and
menu parameters on this screen.
The LCD screen has a sleeping function. After one minute of noninteraction with the user interface, the screen darkens. Pressing any
button or rotating any dial awakens the display.
When you interact with the user interface, the LCD screen will show
the home screen of the active operation mode and the related
setpoint, depending on the system configuration (see "3.3.3Possible
operation modes"on page5).
Status icons
Meaning of icons that appear on the LCD screen:
Status Description
Standby When there is no heat demand, the status
indicator shows this with a kind of breathing
pulsation of the blue and white LED.
Flame At the moment flame ignites for central heating or
domestic hot water, the ring flashes to its
maximum, then constantly keeps glowing during
burner operation.
Error The status indicator will go into error mode when a
warning, lockout or blocking error occurs (see
"3.4Error handling"on page7). During the error
condition the status indicator continuously shows
the red blinking LED.
NOTICE
In warning error, the status indicator colour turns to blue
while the boiler is operating.
3.2 Operating the unit
3.2.1 To switch ON the unit
1 Connect the unit to the main power supply.
2 Press the "Mode" button for 5seconds to switch ON the unit.
3 After that, you can select an operation mode by pressing the
"Mode" button shortly.
Use of the unit is explained in following parts of this manual.
3.2.2 About the low water temperature function
The low water temperature function is a safety function that takes
place at first central heating operation after each power supply
interruption and at first central heating operation after each 90 days.
When this function is active, boiler operates according to a defined
set value for around 15 minutes and the icon blinks. After this
function is ended, normal operation goes on.
INFORMATION
Low water temperature function is a safety function and it
cannot be disabled.
Icon Description
Operation mode: Standby mode
Domestic hot water operation enabled
Domestic hot water comfort mode is enabled
Central heating operation enabled
Room temperature
Outdoor sensor connection
Central heating ECO mode enabled
Network connection
Info menu
User settings menu
Service settings menu
3.1.3 Status indicator
The status indicator gives first level feedback on the operation mode
and status of the boiler.
Operation manual
4
3.2.3 About the electronic gas adaptive system calibration
The electronic gas adaptive system calibrates itself in predetermined intervals. First calibration takes place just after first
burner activation after each power ON. Calibration process duration
is around 60 seconds and the icon blinks. After calibration is
ended, boiler modulates to required capacity. Calibration process
has no effect on boiler operation.
Calibration can also take place in summer mode without water
tapping if proper conditions are met. In other words, boiler may
operate itself for a short duration in summer mode even though there
is no domestic hot water demand. This is an expected behavior.
3.3 Basic usage
3.3.1 About the home screen
It is the screen that is displayed after activating the LCD screen with
one of the dials or buttons. You can use the home screen to read out
settings that are meant for daily use. What you can see on the home
screen depends on your system configuration.
The following home screens may be possible:
▪ Room temperature (Daikin room thermostat connected)
▪ Central heating set temperature
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469438-9H – 2018.05
3 Operation
(5 s)
(5 s)
a
c
b
d
e
▪ Virtual room temperature (with outdoor sensor)
▪ Domestic hot water set temperature
▪ System pressure (at standby mode)
3.3.2 To select the operation mode
The operation mode can be changed by pressing the "Mode" button
( ).
a Central heating only mode
b Standby mode
c Summer mode
d Winter mode
e Full-off mode
3.3.3 Possible operation modes
Operation mode Description
Central heating only mode ▪ Only central heating operation mode
is enabled.
▪ The central heating temperature
setpoint (which setpoint is shown
depends on the system
configuration; see "3.3.5 Possible
central heating operation modes"on
page 6) and the icon is shown
on the home screen.
▪ The icon blinks if central heating
operation is active.
Standby mode ▪ Both central heating and domestic
hot water operation modes are
disabled.
▪ The protection functions such as
frost protection are still active at
standby mode.
▪ The home screen shows the system
pressure, as well as the icon.
Summer mode ▪ Only domestic hot water operation
mode is enabled. Central heating
operation mode is disabled. The
boiler will only produce heat for
domestic hot water.
▪ The domestic hot water setpoint,
and the icon is shown on the
home screen.
▪ The icon blinks if domestic hot
water operation is active.
Operation mode Description
Winter mode ▪ Both domestic hot water operation
mode and central heating operation
mode are enabled. The boiler can
produce domestic hot water, as well
as produce heat for central heating.
▪ The central heating temperature
setpoint (which setpoint is shown
depends on the system
configuration; see "3.3.5 Possible
central heating operation modes"on
page 6), and the icon, as well
as the icon are shown on the
home screen. When domestic hot
water operation is active, domestic
hot water setpoint is shown on the
home screen.
▪ The icon blinks if domestic hot
water operation is active.
▪ The icon blinks if central heating
operation is active.
Full-off mode ▪ Both central heating and domestic
hot water operation modes are
disabled.
▪ LCD display will be darkened and
will not be activated with any user
interaction.
▪ The protection functions such as
frost protection are still active at fulloff mode.
▪ Full-off mode is activated and
deactivated if "Mode" button is
pressed for 5seconds while boiler is
in any mode.
3.3.4 Changing temperature setpoints
Temperature setpoints can be changed with the Right/Left dials.
To change the central heating temperature setpoint
1 Turn the left dial while you are at the home screen. The setpoint
screen will appear as shown below and the setpoint can be
adjusted by turning the left dial. Note: The icon means you are
at the setpoint screen.
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469438-9H – 2018.05
2 To apply changes done, wait for 3seconds or press the "Enter"
button. Pressing the "Cancel" button cancels the changes done.
Operation manual
5
3 Operation
To change the domestic hot water setpoint
1 Turn the right dial while you are at the home screen. The
setpoint screen will appear as shown below and the setpoint
can be adjusted by turning the right dial. Note: The icon
means you are at the setpoint screen.
2 To apply changes done, wait for 3seconds or press the "Enter"
button. Pressing the "Cancel" button cancels the changes done.
NOTICE
To be able to change the setpoint of central heating or
domestic hot water, the corresponding operation mode
must be enabled. If it is not, the related dial has no
function.
3.3.5 Possible central heating operation modes
Mode Description
Boiler only The case that the system only
contains the boiler. No room
thermostat or outdoor sensor are
connected. The central heating water
temperature setpoint is displayed. The
setpoint can be adjusted with the left
dial.
The icon is shown on the screen
when the central heating operation
mode is enabled.
Combination with Daikin
room thermostat (DOTT )
The case that Daikin room thermostat
is connected to the boiler. Actual room
temperature is displayed. The room
temperature setpoint can be adjusted
from the user interface by means of
the left dial or from the Daikin room
thermostat.
The icon is shown on the screen
instead of the icon when central
heating operation mode is enabled.
Mode Description
Boiler + outdoor sensor
(Weather compensation)
NOTICE
To enable weather compensation, the heating slope value
must be higher than "0" (see "User settings menu:
Parameters (short)"on page8).
INFORMATION
If an outdoor sensor is connected to the boiler together
with Daikin room thermostat, the rules of the case
"Combination with Daikin room thermostat" are applicable.
The outdoor sensor only provides outdoor temperature
data to the room thermostat for water temperature
calculation.
The case that outdoor sensor is
connected to the boiler. In this case,
the central heating water temperature
is regulated according to the outdoor
temperature. The virtual room
temperature setpoint is diplayed. The
virtual room temperature setpoint can
be adjusted by means of left dial.
Increasing or decreasing the setpoint
value reflects to the central heating
water temperature and the room
temperature, respectively.
The and icons are shown on the
screen when central heating operation
mode is enabled.
3.3.6 About the central heating ECO mode
The central heating ECO mode provides more economic central
heating. Main purpose of the ECO mode is to operate the boiler at
the condensing temperature range so to increase the efficiency.
ECO mode can be activated at any central heating operation mode
explained above.
ECO mode can be enabled from the user settings menu (see "User
settings menu: Parameters (short)"on page8).
INFORMATION
ECO mode is only for central heating, it has no effect to
domestic water heating.
When central heating ECO mode is enabled, icon is shown on the
screen while the central heating operation mode is enabled.
NOTICE
In case of bad or inappropriate central heating circuit
design, which causes inadequate heat emission to the
living space, activating the ECO mode may cause capacity
shortage.
3.3.7 About the domestic hot water operation
This unit supplies domestic hot water by way of a plate heat
exchanger (instantaneous) or by way of a hot water storage tank
according to model of the boiler.
If the boiler is instantaneous type, domestic hot water operation is
activated when water is being tapped. Water flow rate must be at
least 2.5l/min.
If it is storage tank type, domestic hot water operation is activated
according to storage tank temperature value.
The icon blinks when domestic hot water operation is active.
Operation manual
6
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469438-9H – 2018.05
3 Operation
INFORMATION
Domestic hot water operation mode must be enabled for
the boiler to be able to produce domestic hot water. (i.e.
summer mode or winter mode).
DANGER
For storage tank type models, domestic water temperature
may increase to 70°C due to a protective function. Possible
measures are explained in installation manual.
3.3.8 About the domestic hot water comfort mode
The domestic hot water comfort mode includes a domestic hot water
pre-heat function and a domestic hot water post-heat function. When
the comfort mode is enabled, both pre-heat and post-heat functions
are enabled.
The pre-heat function is a self-learning algorithm according to which
the boiler will heat up the domestic hot water, before the tapping
demand. The algorithm is based on your personal use pattern of the
last 24hours.
Note: Independent of personal use pattern, comfort mode
preheating function could be adjusted to operate continuously from
the user settings.
The post-heat function heats up the domestic hot water heat
exchanger after tapping, when the flow temperature of the boiler is
below the domestic hot water temperature setpoint.
Comfort mode can be enabled from the user settings menu (see
"User settings menu: Parameters (short)"on page8).
INFORMATION
Domestic hot water comfort mode is only valid for
instantaneous type hot water supply types.
When the domestic hot water comfort mode is enabled, the icon is
shown on the screen.
The icon blinks when the burner is on for comfort mode.
3.3.9 About the boiler frost protection
Frost protection safety system: This function protects the unit and
heating installation from frost damages. This protection activates the
boiler pump when the water temperature drops below 13°C and it
activates the burner when the water temperature drops below 8°C
(factory setting). The unit keeps running until the temperature
reaches 20°C. To enable this function, the unit must be connected to
the power supply and its main gas valve must be open. Any damage
caused by frost is not covered by the warranty. Frost Protection is
enabled in all modes, including standby mode and full-off mode.
While frost protection is active, “Fr” and actual flow temperature are
displayed subsequently on the display.
WARNING
If the boiler is not connected to the power supply, frost
protection is not active. Consequently, the water may
freeze and cause cracks. The manufacturer is not
responsible for any damage that may occur this way.
NOTICE
When not using the boiler, we strongly recommend not to
cut off the electric supply to the boiler.
3.3.10 About Energy Metering Function
This function provides user to read electricity and gas consumptions
for central heating and domestic hot water operations, in monthly
and yearly basis. In case the unit is not connected to internet, UH-08
error is displayed after power on. To remove this error and activate
this function, actual date must be set from T parameters.
For detailed instructions to set actual date, see "3.5.3User settings
menu"on page8
For detailed information to display consumption values, see
"3.5.2Info menu"on page8
3.4 Error handling
When an error occurs, the normal behaviour of the user interface is
interrupted, and the status of the status indicator is affected.
However, be aware that not all errors have the same effect on the
user interface and the status indicator.
Error
type
Warning Continue The status indicator does not enter
Blocking Blocked, turns back
Lockout Blocked and a
In case of a warning or a blocking error, the user interface will leave
error mode and return to the home screen when the cause of the
error disappears.
In case of a lockout error, the boiler needs to be reset. Press the
"Reset" button to remove the error, if the cause of the error is gone.
If the cause of the error is still there, the user interface will enter
error mode again. When the error is solved, the user interface
returns to the home screen.
If you turn any dial or press any button (except the "Reset" button)
during an error, the user interface will display the home screen. After
the timeout without any interaction, instead of darkening, the user
interface will enter error mode.
Boiler operation User interface and status
indicator
error mode if the burner is on. It
turns to red when the burner is off.
The LCD screen stays active and
displays the error code.
The status indicator enters error
to operation if
cause disappears
reset is required
NOTICE
A table with all error codes, the reasons for their
appearance, and possible solutions, is located at the very
end of this manual.
mode. The LCD screen stays active
and displays the error code.
The status indicator enters error
mode. The LCD screen stays active
and displays the error code. Also,
the icon starts blinking, indicating
that a reset is required.
3.5 Menu functions
3.5.1 To use menu level 1
1 Press the "Menu" button while you are at home screen to go the
Menu screen. This is menu level 1 screen.
2 To switch between info, user settings and service settings, turn
the left dial.
3 To leave the menu and return to the home screen, press "Back"
for 2seconds.
When there is no user interaction for one minute, the user interface
will leave the menu and switch to the blank screen.
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469438-9H – 2018.05
Operation manual
7
3 Operation
a
a
# Description (short) Unit
(d)
F42
Electric energy consumption / Domestic
hot water / Current month
(d)
F43
Electric energy consumption / Domestic
hot water / Current Year
(a) Not applicable if the sensor is not connected.
(b) Maximum value for central heating = 91%
Maximum value for domestic hot water = 100%
(c) A10=0: Standby mode, burner is not active
A10=1: Start-up, preparation to ignition
A10=2: Ignition and flame stabilisation phase
A10=3: Release control (burner is on, operation phase)
A10=4: Post-purge phase
(d) Applicable if energy metering is enabled. Consumed
energy values are shown with 6 digits. The display
sequence is: parameter ID – first 3 digits – last 3 digits.
E.g. if 3456 kWh central heating fuel energy consumed in
current month, following screens are displayed in a
sequence of; F12 – 003 - 456
kWh
kWh
3.5.2 Info menu
Info menu: Parameters
The info menu ( ) covers all possible information that is made
available to the end user and to the installer. This parameters are
read only and cannot be changed.
# Description (short) Unit
A00 Actual flow temperature °C
A01 Actual return temperature °C
A02 Actual domestic hot water temperature °C
A03 Actual flue temperature °C
(a)
A04
A05
A06 Actual water pressure bar
A07 Actual domestic hot water flow rate l/min
A08
A09
A10
A11 Status of On-Off room thermostat,
A12 Actual error code of boiler —
A13 Actual fan speed (rpm/100) rpm
A14 Current setpoint of boiler pump %
F11
F12
F13
F21
F22
F23
F31
F32
F33
F41
Actual outdoor temperature °C
(a)
Actual solar temperature °C
(b)
Current set point of burner capacity %
(b)
Actual capacity of boiler in relation to
nominal capacity
(c)
Actual phase of the burner —
indicate heat demand (HC1)
(d)
Fuel energy consumption / Central
Heating / Last month
(d)
Fuel energy consumption / Central
Heating / Current month
(d)
Fuel energy consumption / Central
Heating / Current Year
(d)
Electric energy consumption / Central
Heating / Last month
(d)
Electric energy consumption / Central
Heating / Current month
(d)
Electric energy consumption / Central
Heating / Current Year
(d)
Fuel energy consumption / Domestic hot
water / Last month
(d)
Fuel energy consumption / Domestic hot
water / Current month
(d)
Fuel energy consumption / Domestic hot
water / Current Year
(d)
Electric energy consumption / Domestic
hot water / Last month
%
—
kWh
kWh
kWh
kWh
kWh
kWh
kWh
kWh
kWh
kWh
To use the info menu
1 Press the "Enter" button when the icon is displayed on the
menu level 1 screen.
2 Select A or F parameters with the left dial.
3 Select the index number with the right dial. Press the "Back"
button to return to menu level 1 screen.
a Index
3.5.3 User settings menu
User settings menu: Parameters (short)
The user settings menu ( ) comprises parameters that can be
changed and adjusted by users. You can read out and adjust the
parameters according to your preferences.
NOTICE
If you are not sure about the function of the parameter, do
not change it. Contact your service agent.
# Description Unit Default Range
U00 Summer-winter switch over
temperature
U01 Heating slope — 0 0~40
U02 Central heating ECO mode — 0 0~1
U03 Domestic hot water comfort
mode
U04 Domestic hot water set value °C 50 35~60
U05 Set value for the room
thermostat at day mode
°C 20 10~30
— 0 0~1
°C 21 10~30
Operation manual
8
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469438-9H – 2018.05
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