Daikin CKHWS180BJ V3 Series Installer's Reference Manual
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Daikin CKHWS180BJ V3 Series Installer's Reference Manual

Daikin CKHWS180BJ V3 Series Installer's Reference Manual

R32 split series - domestic hot water tank (180l/230l)
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CKHWS180BJ▲V3▼
CKHWS230BJ▲V3▼
▲= 1, 2, 3, ..., 9, A, B, C, ..., Z
▼= , , 1, 2, 3, ..., 9
Installer reference guide
R32 Split Series - Domestic Hot Water Tank
(180l/230l)

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Summary of Contents for Daikin CKHWS180BJ V3 Series

  • Page 1 Installer reference guide R32 Split Series - Domestic Hot Water Tank (180l/230l) CKHWS180BJ▲V3▼ CKHWS230BJ▲V3▼ ▲= 1, 2, 3, …, 9, A, B, C, …, Z ▼= , , 1, 2, 3, …, 9...

  • Page 2: Table Of Contents

    Table of contents Table of contents 1 About this document Meaning of warnings and symbols ..........................Installer reference guide at a glance..........................2 General safety precautions For the installer ................................2.1.1 General................................2.1.2 Installation site............................... 2.1.3 Refrigerant — in case of R410A or R32......................2.1.4 Water ................................
  • Page 3 Table of contents Checking the refrigerant piping ............................. 8.3.1 About checking the refrigerant piping ......................8.3.2 Precautions when checking the refrigerant piping..................8.3.3 Checking refrigerant piping: Setup........................ 8.3.4 To check for leaks ............................8.3.5 To perform vacuum drying ..........................Charging refrigerant ............................... Preparing water piping..............................
  • Page 4 Table of contents 11.3 Checklist before commissioning ............................ 113 11.4 Checklist during commissioning............................. 114 11.4.1 Minimum flow rate ............................114 11.4.2 Air purge function............................115 11.4.3 Operation test run ............................116 11.4.4 Actuator test run............................117 12 Hand-over to the user 13 Maintenance and service 13.1 Maintenance safety precautions ...........................

  • Page 5: About This Document

    A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). Online tools In addition to the documentation set, some online tools are available for installers: ▪...

  • Page 6: Meaning Of Warnings And Symbols

    ▪ Daikin e-Care Mobile app for installers and service technicians that allows you to register, configure and troubleshoot heating systems. Use the QR codes below to download the mobile app for iOS and Android devices. Registration to the Stand By Me platform is required to access the app.

  • Page 7: Installer Reference Guide At A Glance

    About this document Symbols used on the unit: Symbol Explanation Before installation, read the installation and operation manual, and the wiring instruction sheet. Before performing maintenance and service tasks, read the service manual. For more information, see the installer and user reference guide.
  • Page 8 About this document Chapter Description Commissioning What to do and know to commission the system after it is configured Hand‑over to the user What to give and explain to the user Maintenance and service How to maintain and service the units Troubleshooting What to do in case of problems Disposal...

  • Page 9: General Safety Precautions

    WARNING Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin unless otherwise specified. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).

  • Page 10: Installation Site

    General safety precautions CAUTION ▪ Do NOT place any objects or equipment on top of the unit. ▪ Do NOT sit, climb or stand on the unit. In accordance with the applicable legislation, it might be necessary to provide a logbook with the product containing at least: information on maintenance, repair work, results of tests, stand-by periods,…...
  • Page 11 General safety precautions WARNING Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks, ventilate the area immediately. Possible risks: ▪ Excessive refrigerant concentrations in a closed room can lead to oxygen deficiency. ▪ Toxic gas might be produced if refrigerant gas comes into contact with fire. WARNING ALWAYS recover the refrigerant.

  • Page 12: Water

    General safety precautions Then A siphon tube is NOT present Charge with the cylinder upside down. ▪ Open refrigerant cylinders slowly. ▪ Charge the refrigerant in liquid form. Adding it in gas form may prevent normal operation. CAUTION When the refrigerant charging procedure is done or when pausing, close the valve of the refrigerant tank immediately.
  • Page 13 General safety precautions WARNING ▪ ONLY use copper wires. ▪ Make sure the field wiring complies with the national wiring regulations. ▪ All field wiring MUST be performed in accordance with the wiring diagram supplied with the product. ▪ NEVER squeeze bundled cables and make sure they do NOT come in contact with the piping and sharp edges.
  • Page 14 General safety precautions NOTICE ONLY applicable if the power supply is three‑phase, and the compressor has an ON/ OFF starting method. If there exists the possibility of reversed phase after a momentary black out and the power goes ON and OFF while the product is operating, attach a reversed phase protection circuit locally.

  • Page 15: Specific Installer Safety Instructions

    WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. WARNING For units using the R32 refrigerant it is necessary to keep any required ventilation openings and chimneys clear of obstructions.
  • Page 16 Specific installer safety instructions "7.2 Opening and closing the units" [  42]) Opening and closing the unit (see DANGER: RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed. DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING Mounting the indoor unit (see "7.3 Mounting the indoor unit" [...
  • Page 17 Specific installer safety instructions WARNING ▪ Only use R32 as refrigerant. Other substances may cause explosions and accidents. ▪ R32 contains fluorinated greenhouse gases. Its global warming potential (GWP) value is 675. Do NOT vent these gases into the atmosphere. ▪...
  • Page 18 Specific installer safety instructions WARNING Make sure that the electrical wiring does NOT touch the refrigerant gas pipe, which can be very hot. a Refrigerant gas pipe WARNING The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation.
  • Page 19 Specific installer safety instructions DANGER: RISK OF BURNING/SCALDING CAUTION Water coming out of the valve may be very hot. WARNING If the internal wiring is damaged, it has to be replaced by the manufacturer, its service agent or similarly qualified persons. DANGER: RISK OF BURNING/SCALDING The water in the tank can be very hot.

  • Page 20: About The Box

    About the box 4 About the box Keep the following in mind: ▪ At delivery, the unit MUST be checked for damage and completeness. Any damage or missing parts MUST be reported immediately to the claims agent of the carrier. ▪...

  • Page 21: To Handle The Indoor Unit

    About the box h Sealing tape for low voltage wiring intake (66x80 mm) i Antisweat sticker to cover the hole at the back of the unit (50x80 mm) 4.1.3 To handle the indoor unit a Handles at the back of the unit b Handles at the bottom of the unit.

  • Page 22: About The Units And Options

    About the units and options 5 About the units and options In this chapter Identification................................... 5.1.1 Identification label: Indoor unit ..........................Combining units and options ..............................5.2.1 Possible combinations of indoor unit and outdoor unit ..................5.2.2 Possible options for the indoor unit ........................5.1 Identification 5.1.1 Identification label: Indoor unit Location...

  • Page 23: Possible Options For The Indoor Unit

    About the units and options 5.2.2 Possible options for the indoor unit PC cable (EKPCCAB4) The PC cable makes a connection between the switch box of the indoor unit and a PC. It gives the possibility to update the software of the indoor unit. For installation instructions, see: ▪...

  • Page 24: Application Guidelines

    Application guidelines 6 Application guidelines In this chapter Overview: Application guidelines ............................Setting up the domestic hot water tank ..........................6.2.1 System layout – Standalone DHW tank ......................... 6.2.2 Selecting the volume and desired temperature for the DHW tank..............6.2.3 Setup and configuration –...

  • Page 25: Selecting The Volume And Desired Temperature For The Dhw Tank

    Application guidelines 6.2.2 Selecting the volume and desired temperature for the DHW tank People experience water as hot when its temperature is 40°C. Therefore, the DHW consumption is always expressed as equivalent hot water volume at 40°C. However, you can set the DHW tank temperature at a higher temperature (example: 53°C), which is then mixed with cold water (example: 15°C).

  • Page 26: Setup And Configuration - Dhw Tank

    Application guidelines Energy saving tips ▪ If the DHW consumption differs from day to day, you can program a weekly schedule with different desired DHW tank temperatures for each day. ▪ The lower the desired DHW tank temperature, the more cost effective. By selecting a larger DHW tank, you can lower the desired DHW tank temperature.

  • Page 27: Dhw Pump For Disinfection

    Application guidelines Configuration ▪ For more information, see "10 Configuration" [  69]. ▪ You can program a schedule to control the DHW pump via the user interface. For more information, see the user reference guide. 6.2.5 DHW pump for disinfection Setup a Cold water IN b Hot water OUT (shower (field supply)) c DHW pump (field supply) d Heater element (field supply)

  • Page 28: Produced Heat

    Application guidelines INFORMATION The calculated produced heat and consumed energy are an estimation, the accuracy cannot be guaranteed. 6.3.1 Produced heat INFORMATION The sensors used to calculate the produced heat are calibrated automatically. ▪ The produced heat is calculated internally based on: The leaving and entering water temperature The flow rate ▪...

  • Page 29: Setting Up The Power Consumption Control

    Application guidelines Example Single-phase power meter 58 0 1 5 0 X5M/5+6 A Outdoor unit B Indoor unit a Electrical cabinet (L b Power meter (L c Fuse (L d Outdoor unit (L e Indoor unit (L f Backup heater (L Exception ▪...

  • Page 30: Power Limitation Process

    Application guidelines Power input t Time DI Digital input (power limitation level) a Power limitation active b Actual power input Setup and configuration ▪ No additional equipment needed. ▪ Set the power consumption control settings in [9.9] via the user interface (see "Power consumption control" [  103]):...

  • Page 31: Unit Installation

    Unit installation 7 Unit installation In this chapter Preparing the installation site ..............................7.1.1 Installation site requirements of the indoor unit....................7.1.2 Special requirements for R32 units ........................7.1.3 Installation patterns ............................... Opening and closing the units..............................7.2.1 About opening the units ............................7.2.2 To open the indoor unit ............................

  • Page 32: Special Requirements For R32 Units

    Unit installation Height difference Height difference indoor- outdoor-indoor indoor Outdoor unit installed ≤15 m ≤15 m lower than at least 1 indoor unit ▪ Mind the following spacing installation guidelines: ≥500 ≥600 (mm) Additionally to the spacing guidelines: Because the total refrigerant charge in the system is ≥1.84 kg, the room where you install the indoor unit must also comply with the conditions described in "7.1.3 Installation...
  • Page 33 Joints made in the installation between parts of the refrigerant system shall be accessible for maintenance purposes. WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. NOTICE ▪...

  • Page 34: Installation Patterns

    Unit installation 7.1.3 Installation patterns WARNING For units using the R32 refrigerant it is necessary to keep any required ventilation openings and chimneys clear of obstructions. Depending on the type of room in which you install the indoor unit, different installation patterns are allowed: Room type Allowed patterns Living room, kitchen, garage, attic, basement, storage...
  • Page 35 Unit installation Actual release height: release 1a 2a : Without chimney. From floor to top of the unit. ▪ For 180 l units => H =1.66 m release ▪ For 230 l units => H =1.86 m release 1b 2b : With chimney. From floor to top of the chimney. ▪...
  • Page 36 Unit installation PATTERN 1 START PATTERN 1 See table 1: Is the floor area of room A You can install the unit in room A. You do not need a chimney. ) large enough for the given roomA refrigerant charge and the given release height without chimney? H0, ΔH0 See table 2: Look up the minimum release height (H0) for the...
  • Page 37 Unit installation Start PATTERN 2 H1, ΔH1 nv-min Calculate the total floor area. See table 4: Look up the minimum bottom opening area for natural ventilation with the adjacent room (A ) for the given refrigerant charge, total roomA roomB nv-min the given floor area of room A (A ) [! NOT room A + room B !] and the...
  • Page 38 Unit installation PATTERN 3 START PATTERN 3 You can install the unit in room A if you lead the chimney outside the building. See table 3: Is it possible to lead a chimney outside the building respecting the maximum chimney length? You CANNOT install the unit in the room.
  • Page 39 Unit installation Table 3: Maximum chimney length When installing a chimney, the chimney length must be less than the maximum chimney length. • Use the columns with the correct refrigerant charge. For intermediate refrigerant charges, use the columns with the higher value. Example: If the refrigerant charge is 3.0 kg, use the columns of 3.3 kg. •...
  • Page 40 Unit installation Minimum opening area for natural ventilation A (m²) - In case of Refrigerant charge=2.6 kg Release height (m) Floor area of room A (m²) 2.50 5.00 10.00 15.00 20.00 25.00 30.00 2.06 0.031 0.005 2.26 0.027 2.46 0.024 2.66 0.021 2.86 0.018...
  • Page 41 Unit installation PATTERN 4 PATTERN 4 is only allowed for installations in technical rooms (i.e. room that is NEVER occupied by persons). For this pattern there are no requirements to the minimum floor area if you provide 2 openings (one at the bottom, one at the top) between the room and the outside to ensure natural ventilation.

  • Page 42: Opening And Closing The Units

    Unit installation Total refrigerant charge (kg) (dm²) nv-min 2.6 kg 8.1 dm 3 kg 8.8 dm 3.3 kg 9.2 dm 7.2 Opening and closing the units 7.2.1 About opening the units At certain times, you have to open the unit. Example: ▪ When connecting the electrical wiring ▪...
  • Page 43 Unit installation NOTICE If you remove the user interface panel, also disconnect the cables from the back of the user interface panel to prevent damage. X 1 A X 1 4 Y 3 Remove the switch box cover. 4× 4 If necessary, remove the front plate. This is, for example, necessary in the following cases: "7.2.3 To lower the switch box" [...

  • Page 44: To Lower The Switch Box

    Unit installation 4× 7.2.3 To lower the switch box During the installation, you will need access to the inside of the indoor unit. To have easier front access, hang the switch box outside the unit, over the high voltage switch box cover. Prerequisite: The user interface panel and front panel have been removed.

  • Page 45: To Close The Indoor Unit

    Unit installation 7.2.4 To close the indoor unit 1 Close the cover of the switch box. 2 Put the switch box back into place. 3 Reinstall the top panel. 4 Reinstall the side panels. 5 Reinstall the front panel. 6 Reconnect the cables to the user interface panel. 7 Reinstall the user interface panel.

  • Page 46: To Install The Indoor Unit

    Unit installation Option 1: Through the left side panel 3× Option 2: Through the right side panel 3× 7.3.4 To install the indoor unit 1 Lift the indoor unit from the pallet and place it on the floor. Also see "4.1.3 To handle the indoor unit" [...
  • Page 47 Unit installation NOTICE Do NOT tilt the unit forwards: 1° 1° 0° CKHWS180+230BJV3 Installer reference guide R32 Split Series - Domestic Hot Water Tank (180l/230l) 4P779555-1 – 2025.01...

  • Page 48: Piping Installation

    Piping installation 8 Piping installation In this chapter Preparing refrigerant piping ..............................8.1.1 Refrigerant piping requirements ........................... 8.1.2 Refrigerant piping insulation for the indoor unit ....................Connecting the refrigerant piping............................8.2.1 About connecting the refrigerant piping....................... 8.2.2 Precautions when connecting the refrigerant piping ................... 8.2.3 To connect the refrigerant piping to the indoor unit....................

  • Page 49: Refrigerant Piping Insulation For The Indoor Unit

    Piping installation Piping temper grade and thickness for the indoor unit Outer diameter (Ø) Tempter grade Thickness (t) Ø 6.5 mm (1/4") Annealed (O) ≥0.8 mm 15.9 mm (5/8") Annealed (O) ≥1.0 mm Depending on the applicable legislation and the maximum working pressure of the unit (see "PS High"...

  • Page 50: Precautions When Connecting The Refrigerant Piping

    Piping installation ▪ Keeping in mind the guidelines for: Pipe bending Flaring pipe ends Brazing Using the stop valves 8.2.2 Precautions when connecting the refrigerant piping DANGER: RISK OF BURNING/SCALDING NOTICE ▪ Do NOT use mineral oil on flared part. ▪...

  • Page 51: Checking The Refrigerant Piping

    Piping installation a Refrigerant liquid connection b Refrigerant gas connection 2 Connect the gas stop valve from the outdoor unit to the refrigerant gas connection of the indoor unit. 8.3 Checking the refrigerant piping 8.3.1 About checking the refrigerant piping The outdoor unit's internal refrigerant piping has been factory tested for leaks.

  • Page 52: Checking Refrigerant Piping: Setup

    Piping installation 8.3.3 Checking refrigerant piping: Setup a Pressure gauge b Nitrogen c Refrigerant d Weighing scale e Vacuum pump f Stop valve 8.3.4 To check for leaks NOTICE Do NOT exceed the unit's maximum working pressure (see "PS High" on the unit name plate).

  • Page 53: Charging Refrigerant

    Piping installation 3 Vacuum the system for at least 2  hours to a manifold pressure of −0.1  MPa (−1 bar). 4 After turning the pump OFF, check the pressure for at least 1 hour. 5 If you do NOT reach the target vacuum or CANNOT maintain the vacuum for 1 hour, do the following: ▪...

  • Page 54: To Check The Flow Rate

    Piping installation 89°C (*) (*) Maximum temperature for piping and accessories 8.5.1 To check the flow rate Minimum flow rate Check that the minimum flow rate in the domestic hot water is guaranteed in all conditions. If operation is… Then the minimum required flow rate is…...
  • Page 55 Piping installation ▪ Connecting piping – Air, moisture, dust. If air, moisture or dust gets into the circuit, problems may occur. To prevent this: ONLY use clean pipes. Hold the pipe end downwards when removing burrs. Cover the pipe end when inserting it through a wall, to prevent dust and/or particles from entering the pipe.
  • Page 56 Piping installation 89°C (*) (*) Maximum temperature for piping and accessories ▪ Drainage – Low points. Provide drain taps at all low points of the system in order to allow complete drainage of the water circuit. ▪ Drainage – Pressure relief valve. Connect the drain hose properly to the drain to avoid water dripping out of the unit.

  • Page 57: Formula To Calculate The Expansion Vessel Pre-Pressure

    Piping installation a Recirculation connection b Hot water connection c Shower d Recirculation pump 8.5.3 Formula to calculate the expansion vessel pre-pressure The pre-pressure (Pg) of the vessel depends on the installation height difference (H): Pg=0.3+(H/10) (bar) 8.5.4 Changing the pre-pressure of the expansion vessel NOTICE ONLY a licensed installer may adjust the pre-pressure of the expansion vessel.

  • Page 58: Precautions When Connecting The Water Piping

    Piping installation 8.6.2 Precautions when connecting the water piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [  9] ▪ "8.5 Preparing water piping" [  53] 8.6.3 To connect the water piping NOTICE Do NOT use excessive force when connecting the piping. Deformation of the piping can cause malfunctioning of the unit.

  • Page 59: To Connect The Recirculation Piping

    Piping installation *f Tundish (mandatory) g Expansion vessel (recommended) NOTICE ▪ It is recommended to install shut-off valves to domestic cold water in and domestic hot water out connections. These shut-off valves are field supplied. ▪ However, make sure there is no valve between the pressure relief valve (field supply) and the DHW tank.

  • Page 60: To Insulate The Water Piping

    Piping installation 2 Open the cold water supply valve. 3 Close all water taps after all air is purged. 4 Check for water leaks. 5 Manually operate the field-installed pressure relief valve to ensure a free water flow through the discharge pipe. 8.6.7 To insulate the water piping The piping in the complete water circuit MUST be insulated to prevent reduction of the heating capacity.

  • Page 61: Electrical Installation

    Electrical installation 9 Electrical installation WARNING Make sure that the electrical wiring does NOT touch the refrigerant gas pipe, which can be very hot. a Refrigerant gas pipe In this chapter About connecting the electrical wiring ..........................9.1.1 Precautions when connecting the electrical wiring ....................9.1.2 Guidelines when connecting the electrical wiring ....................

  • Page 62: Guidelines When Connecting The Electrical Wiring

    Electrical installation WARNING ALWAYS use multicore cable for power supply cables. INFORMATION Also read the precautions and requirements in the "2  General safety precautions" [  9]. WARNING ▪ If the power supply has a missing or wrong N-phase, equipment might break down.

  • Page 63: About Electrical Compliance

    Electrical installation 2 Install a round crimp-style terminal on the end of the wire. Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. Use the following methods for installing wires: Wire type Installation method Single-core wire...

  • Page 64: Connections To The Indoor Unit

    Electrical installation 9.2 Connections to the indoor unit Item Description Power supply (main) "9.2.1 To connect the main power supply" [  64]. Power supply (backup "9.2.2 To connect the backup heater power heater) supply" [  65]. Electricity meters "9.2.3 To connect the electricity meters" [  66]. WLAN cartridge See: ▪...

  • Page 65: To Connect The Backup Heater Power Supply

    Electrical installation a Interconnection cable (=main power supply) 9.2.2 To connect the backup heater power supply Backup heater type Power supply Wires *1.5 kW BUH 1N~ 230 V 2+GND WARNING The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation.

  • Page 66: To Connect The Electricity Meters

    Electrical installation Model (power supply) Connections to backup heater power supply *1.5 kW (1N~ 230 V) SWB2 X1HA SWB2 Q1D1 1N~, 50 Hz 230 V AC SWB2 SWB2 F1B   Overcurrent fuse (field supply). Recommended fuse: 2‑pole; 10 A, curve 230 V K1M  Contactor (in the lower switch box) Q1DI ...

  • Page 67: To Connect The Domestic Hot Water Pump

    Electrical installation 3 4 5 6 3 Fix the cable with cable ties to the cable tie mountings. 9.2.4 To connect the domestic hot water pump 1 Open the following (see "7.2.2 To open the indoor unit" [  42]): 1 Top panel 2 User interface panel 3 Upper switch box cover 2 Connect the domestic hot water pump cable to the appropriate terminals as...

  • Page 68: After Connecting The Electrical Wiring To The Indoor Unit

    Electrical installation 3 Fix the cable with cable ties to the cable tie mountings. 9.3 After connecting the electrical wiring to the indoor unit To prevent water ingress to the switch box, seal the low voltage wiring intake using the sealing tape (delivered as accessory). Without low voltage cables With low voltage cables CKHWS180+230BJV3...

  • Page 69: Configuration

    Configuration 10 Configuration In this chapter 10.1 Overview: Configuration................................. 10.1.1 To access the most used commands........................10.1.2 To connect the PC cable to the switch box ......................10.2 Configuration wizard ................................10.3 Possible screens..................................10.3.1 Possible screens: Overview............................ 10.3.2 Home screen ................................10.3.3 Main menu screen ..............................

  • Page 70: To Access The Most Used Commands

    Configuration ▪ Afterwards. If necessary, you can make changes to the configuration in the menu structure or the overview settings. INFORMATION When the configuration wizard is finished, the user interface will show an overview screen and request to confirm. When confirmed, the system will restart and the home screen will be displayed.
  • Page 71 Configuration Advanced user pin code The Advanced user pin code is 1234. Additional menu items for the user are now visible. Advanced user 1234 User pin code The User pin code is 0000. User 0000 To access the installer settings 1 Set the user permission level to Installer.

  • Page 72: To Connect The Pc Cable To The Switch Box

    Configuration 6 Press the left dial to confirm the new setting. 7 Press the center button to go back to the home screen. INFORMATION When you change the overview settings and you go back to the home screen, the user interface will show a popup screen and request to restart the system. When confirmed, the system will restart and recent changes will be applied.

  • Page 73: Possible Screens

    Configuration For the setting… Refer to… Hours — Minutes Year Month System Indoor unit type (read only) "10.6.5 Installer settings" [  100] Backup heater type [9.3.1] (read only) Voltage [9.3.2] Configuration [9.3.3] Capacity step 1 [9.3.4] Quick mode timer[9.3.A] BUH allowance schedule [9.3.B] Operation [9.3.8] Emergency [9.5] Tank...

  • Page 74: Home Screen

    Configuration – a Home screen b Main menu screen c Lower level screens: c1: Setpoint screen c2: Detailed screen with values c3: Screen with weather-dependent curve c4: Screen with schedule 10.3.2 Home screen Press the button to go back to the home screen. You see an overview of the unit configuration and the room and setpoint temperatures.

  • Page 75: Main Menu Screen

    Configuration Item Description Domestic hot water Domestic hot water Measured tank temperature Disinfection / Powerful Disinfection mode active Powerful operation mode active Emergency Heat pump failure and system operates in Emergency mode. Current date and time Smart energy Smart energy is currently being used for domestic hot water. Outdoor / quiet mode Measured outdoor temperature Quiet mode active...

  • Page 76: Menu Screen

    Configuration Possible actions on this screen Go through the list. Enter the submenu. Enable/disable breadcrumbs. Submenu Description Restriction: Only displayed if a malfunction Malfunctioning occurs. "14.4.1 To display the help text in case of malfunction" [  129] for more information. Set the domestic hot water tank temperature. Tank Gives access to user settings such as holiday User settings...

  • Page 77: Detailed Screen With Values

    Configuration Example [5] Tank temperature screen °C – Tank Explanation – Possible actions on this screen Go through the list of the submenu. Go to the submenu. Adjust and automatically apply the desired temperature. Item Description Minimum temperature limit Fixed by the unit Restricted by the installer Maximum temperature limit Fixed by the unit...

  • Page 78: Preset Values And Schedules

    Configuration Possible actions on this screen Confirm changes and proceed. 10.4 Preset values and schedules 10.4.1 Using preset values About preset values For some settings in the system, you can define preset values. You only need to set these values one time, then reuse the values in other screens such as the scheduling screen.
  • Page 79 Configuration You can… See… Set if a specific control needs to act according "Activation screen" in "Possible to a schedule. schedules" [  79] Select which schedule you currently want to use for a specific control. The system contains some predefined schedules. You can: Consult which schedule is currently "Schedule/Control"...

  • Page 80: Schedule Screen: Example

    Configuration Schedule/Control Description [5.F] Tank > Priority Predefined schedules: Domestic hot water schedule as priority for each month Schedule for the outdoor unit Activation screen: Not applicable. This schedule to determine priority between is only used when more than one indoor unit domestic hot water tank (e.g.
  • Page 81 Configuration To clear the content of the week schedule 1 Select the name of the current schedule. User defined 2 Select Delete. Delete 3 Select OK to confirm. To clear the content of a day schedule 1 Select the day of which you want to clear the content. For example Friday User defined 2 Select Delete.
  • Page 82 Configuration 3 Use the left dial to select an entry and edit the entry with the right dial. You can program up to 4 actions each day. 6:00 Comfort 22:00 8:30 17:30 Comfort Note: To clear an action, set its time as the time of the previous action.

  • Page 83: Weather-Dependent Curve

    Configuration 5 Repeat this action for all other weekdays. — User defined To program the schedule for Saturday and copy it to Sunday 1 Select Saturday. 2 Select Edit. 3 Use the left dial to select an entry and edit the entry with the right dial.

  • Page 84: Slope-Offset Curve

    Configuration Weather-dependent curve To be able to compensate for differences in temperature, the unit relies on its weather-dependent curve. This curve defines how much the temperature of the tank or leaving water must be at different outdoor temperatures. Because the slope of the curve depends on local circumstances such as climate and the insulation of the building, the curve can be adjusted by an installer or user.

  • Page 85: 2-Points Curve

    Configuration Item Description WD curve before changes. WD curve after changes (as example): ▪ When slope is changed, the new preferred temperature at X1 is unequally higher than the preferred temperature at X2. ▪ When offset is changed, the new preferred temperature at X1 is equally higher as the preferred temperature at X2.

  • Page 86: Using Weather-Dependent Curves

    Configuration Item Description Y1, Y2 Examples of desired tank temperature. The icon corresponds to the domestic hot water tank: ▪ : Domestic hot water tank Possible actions on this screen Go through the temperatures. Change the temperature. Go to the next temperature. Confirm changes and proceed.

  • Page 87: Settings Menu

    Configuration The domestic hot water temperature is … Fine-tune with slope and offset: At regular outdoor At cold outdoor Slope Offset temperatures … temperatures … Cold ↑ ↓ – ↓ "10.5.2 Slope-offset curve" [  84]. To fine-tune the weather-dependent curve: 2-points curve The following table describes how to fine-tune the weather dependent curve of the tank: The domestic hot water temperatures is …...
  • Page 88 Configuration [5] Tank Operation Malfunctioning Setpoint screen Tank [5.1] Powerful operation User settings Information [5.2] Comfort setpoint [5.3] Eco setpoint [5.4] Reheat setpoint [5.5] Schedule [5.6] Heat up mode [5.7] Disinfection [5.8] Maximum [5.9] Hysteresis [5.A] Hysteresis [5.B] Setpoint mode [5.C] WD curve [5.D] Margin [5.E] WD curve type...
  • Page 89 Configuration INFORMATION When the Priority Schedule is set to DHW (refer to Priority schedule) and powerful operation is active, the risk of Air Conditioning (cooling /heating) and capacity shortage comfort problems is significant. In case of frequent domestic hot water operation, frequent and long Air Conditioning (cooling /heating) interruptions will happen.
  • Page 90 Configuration Code Description [5.6] [6-0D] Heat up mode: ▪ 0: Reheat only: Only reheat operation is allowed. ▪ 1: Schedule reheat: The domestic hot water tank is heated according to a schedule and between the scheduled heat up cycles, reheat operation is allowed. ▪...
  • Page 91 Configuration NOTICE Disinfection mode. Even if you turn OFF tank heating operation ([C.3]: Operation > Tank), disinfection mode will remain active. However, if you turn it OFF while disinfection is running, an AH error occurs. INFORMATION In case of error code AH and no interruption of the disinfection function occurred due to domestic hot water tapping, following actions are recommended: ▪...
  • Page 92 Configuration Hysteresis (reheat hysteresis) Applicable when domestic hot water preparation is scheduled+reheat. When the tank temperature drops below the reheat temperature minus the reheat hysteresis temperature, the tank heats up to the reheat temperature. Code Description [5.A] [6-08] Reheat hysteresis ▪...
  • Page 93 Configuration Code Description [5.C] [0-0E] WD curve: [0-0D] Note: There are 2 methods to set the weather dependent curve. See "10.5.3 2-points [0-0C] curve" [  85] and "10.5.2 Slope-offset [0-0B] curve" [  84] for more information about the different curve types. Both curve types require 4 field settings to be configured according to the figure below.
  • Page 94 Configuration BUH OFF HP MAX [6-01] HP OFF [6-00] HP ON = 60°C = 50°C HP MAX [6-01] = 2°C [6-00] = 2°C BUH Backup heater HP Heat pump. If heating up time by the heat pump takes too long, auxiliary heating by the backup heater can take place Backup heater OFF temperature (T BUH OFF...
  • Page 95 Configuration Code Description [2.E] / [5.E] ▪ 0: 2-points ▪ 1: Slope-Offset Priority Schedule In case multiple indoor units (e.g. 1 Tank, 1 Air conditioning) This setting selects the operation that should be prioritized (can be set for each month) by the outdoor unit: Domestic hot water (DHW) or Air conditioning (A/C).

  • Page 96: User Settings

    Configuration Code Description [5.H] [8-03] When Quick is selected, the backup heater can start to assist the heat pump operation after a delay time. The delay time depends on the selected Quick mode timer: ▪ Turbo (10 minutes) ▪ Normal (20 minutes) ▪...
  • Page 97 Configuration To configure the holiday 1 Activate the holiday mode. — ▪ Go to [7.3.1]: User settings > Holiday > Activation. 7.3.1 Activation From Till ▪ Select On. 2 Set the first day of your holiday. — ▪ Go to [7.3.2]: From. ▪...
  • Page 98 Configuration If you want to… Then… Completely deactivate quiet Select Off. mode Result: The unit never runs in quiet mode. The user cannot change this. Manually activate a quiet Select Manual. mode level Go to [7.4.3] Level and select the applicable quiet mode level.

  • Page 99: Information

    Configuration Possible outcomes when quiet mode is set to Automatic If... Then quiet mode =... Restrictions Restrictions Schedule enabled? (time + level) programmed? defined? Follows schedule Follows schedule Follows restriction ▪ During restricted time: If restricted level is stricter than scheduled level, then follows restriction.

  • Page 100: Installer Settings

    Configuration Code Description [8.A] Reset the MMI EEPROM to factory default Possible read-out information In menu… You can read out… [8.1] Energy data Produced energy and consumed electricity [8.2] Malfunction history Malfunction history [8.3] Dealer information Contact/helpdesk number [8.4] Sensors Room temperature, outside temperature, leaving water temperature,…...
  • Page 101 Configuration To restart the configuration wizard, go to Installer settings > Configuration wizard [9.1]. Domestic hot water Domestic hot water The tank type is displayed, but cannot be adjusted. DHW pump Code Description [9.2.2] [D‑02] DHW pump: ▪ 0: No DHW pump: NOT installed ▪...
  • Page 102 Configuration Code Description [9.3.2] [5-0D] ▪ 0: 230V, 1ph Configuration The backup heater configuration can be viewed but not changed. The backup heater will operate with 1-step only. Code Description [9.3.3] [4-0A] ▪ 0: 1.5 kW Capacity step 1 Code Description [9.3.4] [6-03] ▪...
  • Page 103 Configuration Power consumption control Power consumption control "6  Application guidelines"  [   24] for detailed information about this functionality. Code Description [9.9.1] [4-08] Power consumption control: ▪ 0 No: Disabled. ▪ 1 Continuous: Enabled: You can set one power limitation value (in A or kW) to which the system power consumption will be limited for all the time.
  • Page 104 Configuration Code Description [9.A.2] [D‑09] Electricity meter 2: ▪ 0 None: NOT installed ▪ 1 1/10kWh: Installed ▪ 2 1/kWh: Installed ▪ 3 10/kWh: Installed ▪ 4 100/kWh: Installed ▪ 5 1000/kWh: Installed In case of pulse meter for photovoltaic panels: ▪...
  • Page 105 Configuration Code Description [9.F] [E‑08] Power saving function for outdoor unit: ▪ 0: No ▪ 1: Yes INFORMATION Refer to the installer reference guide of the 5MWXM outdoor unit for details about the power saving function. Disable protections Protective functions The unit is equipped with the following protective function: ▪...

  • Page 106: Commissioning

    Configuration To export MMI settings 1 Open the user interface panel and insert a USB memory stick. — 2 On the user interface, go to [9.N] Export MMI settings. 3 Select OK. 4 Remove the USB memory stick and close the user interface —...

  • Page 107: Wlan

    Configuration [C] Operation Commissioning User profile [C.3] Tank Operation Malfunctioning Room To enable or disable functionalities In the operation menu, you can separately enable or disable functionalities of the unit. Code Description [C.3] Tank: ▪ 0: Off ▪ 1: On 10.6.9 WLAN INFORMATION Restriction: WLAN settings are only visible when a WLAN cartridge is inserted in the...
  • Page 108 Configuration Smartphone + app The ONECTA app needs to be installed on the user's smartphone. See: http://www.onlinecontroller.daikineurope.com/ Configuration To configure the ONECTA app, follow the in-app instructions. While doing this, the following actions and information ([D.1]~[D.6]) are needed on the user interface: [D.1] Enable AP mode: Make the WLAN cartridge active as access point.
  • Page 109 Configuration INFORMATION You can only use this function if it is supported by the software version of the WLAN, and the software version of the ONECTA app. [D.4] Remove from cloud: Remove the WLAN cartridge from the cloud. Code Description [D.4] Remove from cloud: ▪...

  • Page 110: Menu Structure: Overview User Settings

    Configuration 10.7 Menu structure: Overview user settings Tank [7.2] Time/date Powerful operation Hours Minutes Comfort setpoint Eco setpoint Year Reheat setpoint Month Schedule (**) Heat up mode Daylight savings time (**) Disinfection Format (**) Maximum (**) Hysteresis [7.3] Holiday (**) Setpoint mode Activation (**)

  • Page 111: Menu Structure: Overview Installer Settings

    Configuration 10.8 Menu structure: Overview installer settings [9] Installer settings [9.3] Backup heater Configuration wizard Backup heater type Voltage Backup heater Configuration Emergency Capacity step 1 Power consumption control Operation Auto restart Quick mode timer Power saving function BUH allowance schedule Disable protections Overview field settings [9.5] Emergency...

  • Page 112: Commissioning

    11 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during commissioning and hand-over to the user.

  • Page 113: Precautions When Commissioning

    Commissioning Typical workflow Commissioning typically consists of the following stages: Checking the "Checklist before commissioning". Performing a test run for the system. If necessary, performing a test run for one or more actuators. 11.2 Precautions when commissioning NOTICE ALWAYS operate the unit with thermistors and/or pressure sensors/switches. If NOT, burning of the compressor might be the result.

  • Page 114: Checklist During Commissioning

    Commissioning The power supply voltage matches the voltage on the identification label of the unit. There are NO loose connections or damaged electrical components in the switch box. There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units.

  • Page 115: Air Purge Function

    Commissioning During pump test run, the unit can operate below the minimum required flow rate. If operation is… Then the minimum required flow rate is… Domestic hot water production/defrost 22 l/min 11.4.2 Air purge function Purpose When commissioning and installing the unit, it is very important to remove all air in the water circuit.

  • Page 116: Operation Test Run

    Commissioning 5 Select OK to confirm. Result: The air purge starts. It stops automatically when ready. 6 During manual operation: ▪ You can change the pump speed. ▪ You must change the circuit. To change these settings during the air purge, open the menu and go to [A.3.1.5]: Settings.

  • Page 117: Actuator Test Run

    Commissioning 2 Select the temperature information. 1 Set the user permission level to Installer. See "To change the — user permission level" [  70]. 2 Go to [A.1]: Commissioning > Operation test run. 3 Select the Tank. 4 Select OK to confirm. Result: The test run starts.
  • Page 118 Commissioning INFORMATION Make sure that all air is purged before executing the test run. Also avoid disturbances in the water circuit during the test run. CKHWS180+230BJV3 Installer reference guide R32 Split Series - Domestic Hot Water Tank (180l/230l) 4P779555-1 – 2025.01...

  • Page 119: Hand-Over To The User

    Hand-over to the user 12 Hand-over to the user Once the test run is finished and the unit operates properly, make sure the following is clear for the user: ▪ Fill in the installer setting table (in the operation manual) with the actual settings. ▪...

  • Page 120: Maintenance And Service

    General maintenance/inspection checklist. Next to the maintenance instructions in this chapter, a general maintenance/inspection checklist is also available on the Daikin Business Portal (authentication required). The general maintenance/inspection checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during maintenance.

  • Page 121: Yearly Maintenance Indoor Unit: Instructions

    Maintenance and service ▪ Switch box ▪ Descaling ▪ Chemical disinfection 13.2.2 Yearly maintenance indoor unit: instructions Water pressure Keep water pressure above 1 bar. If it is lower, add water. Strainer Remove the clips on the bottom part to be able to reach the strainer: ▪...

  • Page 122: To Drain The Domestic Hot Water Tank

    Maintenance and service Switch box ▪ Carry out a thorough visual inspection of the switch  box and look for obvious defects such as loose connections or defective wiring. ▪ Using an ohmmeter, check if contactors K1M, K2M, K3M and K5M (depending on your installation) operate correctly.
  • Page 123 Maintenance and service a Access point to tank CKHWS180+230BJV3 Installer reference guide R32 Split Series - Domestic Hot Water Tank (180l/230l) 4P779555-1 – 2025.01...

  • Page 124: Troubleshooting

    Troubleshooting 14 Troubleshooting In this chapter 14.1 Overview: Troubleshooting ..............................124 14.2 Precautions when troubleshooting............................124 14.3 Solving problems based on symptoms........................... 125 14.3.1 Symptom: Hot water does NOT reach the desired temperature ................. 125 14.3.2 Symptom: The compressor does NOT start ......................125 14.3.3 Symptom: The system is making gurgling noises after commissioning..............

  • Page 125: Solving Problems Based On Symptoms

    Troubleshooting 14.3 Solving problems based on symptoms 14.3.1 Symptom: Hot water does NOT reach the desired temperature Possible causes Corrective action One of the tank temperature sensors is See the service manual of the unit for broken. the corresponding corrective action. 14.3.2 Symptom: The compressor does NOT start Possible causes Corrective action...
  • Page 126 Troubleshooting WARNING Air purging heating circuit for domestic hot water. Before you purge air, check if is displayed on the home screen of the user interface. ▪ If not, you can purge air immediately. ▪ If yes, make sure that the room where you want to purge air is sufficiently ventilated.

  • Page 127: Symptom: The Pump Is Blocked

    Troubleshooting 14.3.4 Symptom: The pump is blocked Possible causes Corrective action If the unit has been powered off for a Depending on the pump type, do one of long time, lime might block the rotor of the following: the pump. ▪...

  • Page 128: Symptom: The Pressure Relief Valve Opens

    Troubleshooting Possible causes Corrective action The water pressure at the pump inlet is Check and make sure that: too low ▪ The water pressure is >1 bar. ▪ The water pressure sensor is NOT broken. ▪ The expansion vessel is NOT broken. ▪...

  • Page 129: Solving Problems Based On Error Codes

    Troubleshooting Possible causes Corrective action Large domestic hot water tapping If in [5.6] Tank > Heat up mode the happened recently before the mode Reheat only or Schedule + programmed start-up of the disinfection reheat is selected, it is recommended function to program the start-up of the disinfection function at least 4 hours...

  • Page 130: Error Codes: Overview

    Troubleshooting WARNING In case F3-00, there is possible risk of refrigerant leak. Contact your installer. 14.4.2 Error codes: Overview Error codes of the indoor unit Error code Description 7H-01 Water flow problem 7H-04 Water flow problem during domestic hot water production 80-00 Returning water temperature sensor problem...
  • Page 131 Troubleshooting Error codes of the outdoor unit Error code Description A5-00 OU: High pressure peak cut / freeze protection problem C5-00 Heat exchanger thermistor abnormality E1-00 OU: PCB defect E3-00 OU: Actuation of high pressure switch (HPS) E3-24 High pressure sensor abnormality E5-00 OU: Overheat of inverter compressor motor E6-00...
  • Page 132 Troubleshooting Error code Description L8-00 Malfunction triggered by a thermal protection in the inverter PCB P1-00 Open-phase power supply imbalance P4-00 OU: Malfunction of radiating fin temperature sensor PJ-00 Capacity setting mismatch U0-00 OU: Shortage of refrigerant U2-00 OU: Defect of power supply voltage U7-00 OU: Transmission malfunction between main CPU- INV UF-00...
  • Page 133 Troubleshooting INFORMATION The user interface will display how to reset an error code. CKHWS180+230BJV3 Installer reference guide R32 Split Series - Domestic Hot Water Tank (180l/230l) 4P779555-1 – 2025.01...

  • Page 134: Disposal

    Disposal 15 Disposal NOTICE Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. CKHWS180+230BJV3 Installer reference guide R32 Split Series - Domestic Hot Water Tank (180l/230l)

  • Page 135: Technical Data

    Technical data 16 Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of the latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 16.1...

  • Page 136: Piping Diagram: Indoor Unit

    Technical data 16.1 Piping diagram: Indoor unit 3D152607 A Water side B Refrigerant side C Field installed D Evaporator E Condenser a Filler pipe water inlet b1 Domestic hot water: hot water out b2 Domestic hot water: cold water in c Recirculation connection d Plate heat exchanger e Flexible pipe...

  • Page 137: Wiring Diagram: Indoor Unit

    Technical data 16.2 Wiring diagram: Indoor unit See the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The abbreviations used are listed below. Notes to go through before starting the unit English Translation Notes to go through before starting...
  • Page 138 Technical data FU1 (A1P) Fuse T 5 A 250 V for PCB Contactor backup heater # Domestic hot water pump Thermal protector backup heater Q*DI # Earth leakage circuit breaker R1T (A14P) * Ambient sensor user interface Power supply transformer # Backup heater power supply terminal strip J*, X*, X*A, X*Y Connector Terminal strip...
  • Page 139 Technical data Electrical connection diagram For more details, please check the unit wiring. STANDARD PART Power supply Notes: Indoor unit supplied from outdoor unit OUTDOOR UNIT - In case of signal cable: keep minimum distance to Indoor unit supplied separately (Standard) power cables >...

  • Page 140: Esp Curve: Indoor Unit

    Technical data 16.3 ESP curve: Indoor unit 11 kW A (kPa) B (l/min) 16 kW A (kPa) B (l/min) A External static pressure in the heating circuit B Water flow rate through the unit in the heating circuit C Minimum water flow rate during normal operation D Minimum water flow rate during backup heater operation E Minimum water flow rate during defrost operation Notes:...

  • Page 141: Glossary

    Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.

  • Page 142: Field Settings Table

    Field settings table Applicable indoor units CKHWS180BJV3 CKHWS230BJV3 CKHWSU230BJV3 Notes (*1) *180* (*2) *230* 4P779553-1 - 2025.01...
  • Page 143 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Tank [6-0A] Comfort setpoint 30~[6-0E]°C, step: 1°C 60°C [6-0B] Eco setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C [6-0C] Reheat setpoint 30~min(50, [6-0E])°C, step: 1°C 45°C [6-0D]...
  • Page 144 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.3.2 [5-0D] Voltage 0: 230 V, 1~ 9.3.3 [4-0A] Configuration 0: 1 9.3.4 [6-03] Capacity step 1 1.5 kW └─...
  • Page 145 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [6-0E] What is the maximum DHW temperature setpoint? 40~65°C, step: 1°C 65°C [7-06] Compressor forced off 0: Disabled 1: Enabled [7-07] BBR16 activation 0: Disabled...
  • Page 148 4P779555-1 2025.01...

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