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Table of contents

Operation manual

2

D2CND024A1/4AB + D2TND012~024A4AB

Wall-mounted condensing boiler

3P469438-3M – 2019.11

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

3

2.1

Installation .................................................................................

3

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

4

3.1

User interface ............................................................................

4

3.1.1

Buttons and dials ........................................................

4

3.1.2

LCD screen .................................................................

4

3.1.3

Status indicator ...........................................................

4

3.2

Operating the unit......................................................................

4

3.2.1

To switch the unit ON..................................................

4

3.2.2

About the low water temperature function ..................

4

3.2.3

About the electronic gas adaptive system calibration .

5

3.3

Basic usage ...............................................................................

5

3.3.1

About the home screen...............................................

5

3.3.2

To select the operation mode .....................................

5

3.3.3

Possible operation modes...........................................

5

3.3.4

Changing temperature setpoints.................................

6

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 .....................

7

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 ..........................................................................

8

3.5.1

To use menu level 1....................................................

8

3.5.2

Info menu ....................................................................

8

3.5.3

User settings menu .....................................................

9

3.5.4

Installer settings menu ................................................ 10

4 Maintenance and cleaning

10

4.1

To clean the outer surface of the unit........................................

10

5 Energy saving tips

10

6 Contact

10

7 Error codes

10

7.1

Appliance category and supply pressure ..................................

12

1

Introduction

DANGER

Following information is only applicable for UK.

If you smell gas:

▪ Away  from  the  building:  call  the  National  Gas

Emergency Service on 0800 111 999.

▪ L.P.G. boilers: Call the supplier's number on the side of

the gas tank.

Contact Information

Homeowner Helpdesk: 0845 641 9271

Technical Helpdesk: 0845 641 9277

Daikin UK

1 The Heights

Brooklands / Weybridge / Surrey

KT13 0NY

Tel: 0845 641 9000

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

Filling loop

D2CND024A1AB D2CND024

Instantaneous

Internal

D2CND024A4AB D2CND024

Instantaneous

External

D2TND012A4AB

D2TND012

Storage tank

External

D2TND018A4AB

D2TND018

Storage tank

External

D2TND024A4AB

D2TND024

Storage tank

External

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  non-
observance  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.

Содержание D2CND024A1AB

Страница 1: ...Operation manual Wall mounted condensing boiler English Operation manual Wall mounted condensing boiler D2CND024A1AB D2CND024A4AB D2TND012A4AB D2TND018A4AB D2TND024A4AB ...

Страница 2: ...ndensing 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 na...

Страница 3: ...ever 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 modificat...

Страница 4: ...show the home screen of the active operation mode and the related setpoint depending on the system configuration see 3 3 3 Possible operation modes 45 Status icons Meaning of icons that appear on the LCD screen 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 senso...

Страница 5: ...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 4 6 and the icon is shown on the home screen The icon blinks if cent...

Страница 6: ...oom 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 Boiler outdoor sensor Weather compensation The case that outdoor sensor is connected to the boiler In this case the central heating water tem...

Страница 7: ...ion 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 pr...

Страница 8: ...l energy consumption Central Heating Last month kWh Description short Unit F12 d Fuel energy consumption Central Heating Current month kWh F13 d Fuel energy consumption Central Heating Current Year kWh F21 d Electric energy consumption Central Heating Last month kWh F22 d Electric energy consumption Central Heating Current month kWh F23 d Electric energy consumption Central Heating Current Year kW...

Страница 9: ...value same function that can be done via the right dial when domestic hot water mode is enabled U05 When On Off room thermostat and outdoor sensor are both connected this parameter value is the virtual room temperature setpoint when there is a heat demand U06 When On Off room thermostat and outdoor sensor are both connected this parameter value is the virtual room temperature setpoint when there i...

Страница 10: ...Do not let your room become too hot Decreasing the room temperature during the day saves energy Have your combi boiler s maintenance performed at least annually Provide your building with sufficient heat insulation Thermostatic valves should be used Each room should be adjusted according to comfort conditions For reception rooms this is 20 C living rooms 22 C kitchens 18 C and bedrooms 18 C Preven...

Страница 11: ...E1 73 Internal PCB error Perform reset if needed If problem repeats contact your service agent H9 01 Outside sensor fault Boiler continues operation but outside sensor is defective Contact your service agent HC 01 Domestic hot water temperature sensor fault Boiler continues operation but you must contact your service agent HJ 08 High system pressure Discharge water down to 0 8 bar You can bleed th...

Страница 12: ...who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Programmable room thermostat Optimum start control Combination Boiler Fitted Fitted Fitted Automatic bypass to system Fitted Boiler interlock ALL SYSTEMS Yes Yes CENTRAL HEATING M...

Страница 13: ...It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND Where Possible AND Signature SERVICE 02 AND Where Possible AND Signature SERVICE 03 AND Where Possible AND Signature SERVICE 04 AND Where Possible AND Signature SERVICE 05 AND Where Possible AND Signature SERVICE 06 AND Where ...

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Страница 16: ...STANBUL TÜRKİYE Tel 0216 453 27 00 Faks 0216 671 06 00 Çağrı Merkezi 444 999 0 Web www daikin com tr Gülsuyu Mahallesi Fevzi Çakmak Caddesi Burçak Sokak No 20 34848 Maltepe 3P469438 3M 2019 11 Copyright 2018 Daikin Verantwortung für Energie und Umwelt ...

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