Related Manuals for Daikin EKHWETU120B
Summary of Contents for Daikin EKHWETU120B
- Page 1 Installer reference guide R32 Split series – Domestic hot water tank https://daikintechnicaldatahub.eu EKHWETU120B▲V3▼ ▲= 1, 2, 3, …, 9, A, B, C, …, Z ▼= , , 1, 2, 3, …, 9...
-
Page 2: Table Of Contents
To connect the recirculation piping ......................8.4.5 To fill the domestic hot water tank ....................... 9 Electrical installation About connecting the electrical wiring.......................... 9.1.1 Precautions when connecting the electrical wiring..................Installer reference guide EKHWETU120B R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 3 Solving problems based on error codes ........................106 14.4.1 To display the help text in case of a malfunction ..................107 14.4.2 Error codes: Overview ........................... 107 EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 4 15.3 Test results in accordance with EN12897 (2016) ......................115 15.4 Technical specifications: Domestic hot water tank ....................... 115 16 Glossary 17 Field settings table Installer reference guide EKHWETU120B R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
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
Electrical installation What to do and know to install the electrical components of the system, including information on how to prepare for an installation EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 8 Note: There is also an installer settings table in the user reference guide. This table has to be filled in by the installer and handed over to the user. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
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
WARNING During tests, NEVER pressurise the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit). EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 11 Charge the liquid refrigerant as follows: Then A siphon tube is present Charge with the cylinder upright. (i.e., the cylinder is marked with "Liquid filling siphon attached") EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 12: Water
If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... - Page 13 Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will damage the head and make proper tightening impossible. ▪ Over-tightening the terminal screws may break them. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 14 ON and OFF while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
-
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 clear of obstructions. - Page 16 ▪ The discharge pipe away from the tundish MUST terminate in a safe, visible position without forming any risk to persons in the vicinity. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 17 WARNING ALWAYS use multicore cable for power supply cables. CAUTION Do NOT push or place redundant cable length into the unit. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 18 Maintenance and service (see "13 Maintenance and service" [ 101]) DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING CAUTION Water coming out of the valve may be very hot. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 19 ON and OFF by the utility. WARNING In case F3-00, there is possible risk of refrigerant leak. Contact your installer. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
-
Page 20: About The Box
4.1.2 To remove the accessories from the indoor unit Some accessories are located inside the unit. For more information on opening the unit, see "7.2.2 To open the indoor unit" [ 36]. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 21: Domestic Hot Water Tank Kit
Expansion vessel of 18 l – 3/4" Male BSP h Kit label (MUST mention the correct kit: CKUHW18G3) NOTICE All piping MUST be installed according to section G3 of the Building Regulations. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 22: About The Units And Options
5.1 Identification 5.1.1 Identification label: Indoor unit Location Model identification Example: EK HW E T U 120 BA V3 Code Description European Kit – Daikin Branded Hot water for LT Enamel Wall mounted UK model Volume in litre Model series 1~ / 230 V / 50 Hz 5.2 Possible options for the indoor unit... -
Page 23: Application Guidelines
6.2 Setting up the domestic hot water tank 6.2.1 System layout – Standalone DHW tank A Domestic hot water tank a Cold water IN b Hot water OUT EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 24: Selecting The Volume And Desired Temperature For The Dhw Tank
Required DHW tank volume if only heated once DHW tank temperature Cold water temperature Possible DHW tank volumes Type Possible volumes Standalone DHW tank ▪ 120 l EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 25: Setup And Configuration - Dhw Tank
Set a minimum power consumption of 3 kW to guarantee: ▪ Defrost operation. Otherwise, if defrosting is interrupted several times, the heat exchanger will freeze up. ▪ DHW production by allowing booster heater. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 26: Permanent Power Limitation
Turns OFF booster heater. Limits the outdoor unit. Example Power consumption is limited as follows: Produced heat Consumed energy A Outdoor unit EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 27 Application guidelines B Booster heater a Limited outdoor unit operation b Full outdoor unit operation c Booster heater turned ON EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 28: Unit Installation
9]. ▪ The indoor unit is designed for indoor installation only and for ambient temperatures ranging from 5~35°C. ▪ Mind the following spacing installation guidelines: EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 29: Special Requirements For R32 Units
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. EKHWETU120B Installer reference guide R32 Split series –... - Page 30 Unit installation NOTICE ▪ The pipework shall be securely mounted and guarded protected from physical damage. ▪ Keep the pipework installation to a minimum. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 31: Installation Patterns
▪ You can also take advantage of the floor area of the adjacent room (= room B) by providing ventilation openings between the two rooms. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 32 ▪ Must be ≥50% of A (minimum bottom opening area). nv-min Min. 50% ▪ Must be ≥1.5 m from the floor. of A nv-min (≥A nv-min EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 33 4,35 4,09 3,87 12,66 10,51 8,52 7,04 6,04 5,57 5,18 4,83 4,53 4,26 4,03 13,70 11,37 9,21 7,61 6,40 5,80 5,38 5,02 4,71 4,43 4,19 EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 34 Floor area of room A (m²) [! NOT room A + room B !] 2,00 4,00 6,00 8,00 10,00 12,00 14,00 1.23 1.45 1.65 1.85 EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 35 Must be ≥50% of A (minimum bottom opening area as specified in nv-min the table below). ▪ Must be ≥1.5 m from the floor of the unoccupied room. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 36: Opening And Closing The Units
1 Remove the bottom cover to be able to guide the cables to the switch box. 6× 2 Remove the top cover. 4× 3 Remove the switch box cover. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 37: To Close The Indoor Unit
Ensure that the wall on which it is mounted can support the weight of the appliance filled with water. 1 Install 2 plugs into the wall and insert (but not completely) 2 bolts with washers into the plugs. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 38 ▪ Lower the bracket on the back of the unit over the 2 bolts. ▪ Tighten the 2 bolts. ▪ Make sure the unit is fixed properly. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 39: Piping Installation
See the installation manual of the outdoor unit for all guidelines, specifications and installation instructions. 8.2.1 To connect the refrigerant piping to the indoor unit NOTICE Make sure the tank stop valves are completely open. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 40: Preparing Water Piping
Deformation of the piping can cause malfunctioning of the unit. ▪ Connecting piping – Tools. Only use appropriate tooling to handle brass, which is a soft material. If NOT, pipes will get damaged. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 41 For the discharge piping connected to these valves, respect the requirements from the table below. For more information, see "8.4.3 To connect the water piping" [ 44]. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 42 Provide a separate power supply for the recirculation pump. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
-
Page 43: Connecting Water Piping
8.4.2 Precautions when connecting the water piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 9] ▪ "8.3 Preparing water piping" [ 40] EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 44: To Connect The Water Piping
Tundish 15 mm inlet, 22 mm outlet 1 Pre-assemble the adaptor and expansion vessel so that the expansion vessel is ready for installation. 2 Mount the expansion vessel to the wall. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 45 ≤600 mm ≥300 mm a Safety device (pressure and temperature relief valve of domestic hot water tank; pressure relief valve of domestic hot water tank kit) EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 46: To Connect The Recirculation Piping
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. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 47: Electrical Installation
Do NOT install a phase advancing capacitor, because this unit is equipped with an inverter. A phase advancing capacitor will reduce performance and may cause accidents. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 48: Guidelines When Connecting The Electrical Wiring
Single-core wire AA´ A´ Stranded conductor wire twisted to "solid-like" connection a Curled wire (single-core or twisted stranded conductor wire) b Screw c Flat washer EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 49: Specifications Of Standard Wiring Components
9.1.4 About electrical compliance Only for the booster heater of the indoor unit "9.2.2 To connect the booster heater power supply" [ 51]. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 50: Connections To The Indoor Unit
36]): 2 Connect the main power supply. Interconnection cable Wires: (3+GND)×1.5 mm² (= main power supply) — 1 2 3 a Interconnection cable (=main power supply) EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 51: To Connect The Booster Heater Power Supply
To guarantee the unit is completely earthed, ALWAYS connect the booster heater power supply and the earth cable. Connect the booster heater power supply as follows: Q1DI EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 52: To Connect The Wlan Cartridge (Delivered As Accessory)
9.2.3 To connect the WLAN cartridge (delivered as accessory) [D] Wireless gateway 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor unit. 1× EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 53: Configuration
To restart the configuration wizard, go to Installer settings > Configuration wizard. To access Installer settings, see "10.1.1 To access the most used commands" [ 54]. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 54: To Access The Most Used Commands
The Installer pin code is 5678. Additional menu items and installer settings are now available. Installer 5678 Advanced user pin code The Advanced user pin code is 1234. Additional menu items for the user are now visible. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 55 5 Turn the right dial to modify the value from 23 to 3. 6 Press the left dial to confirm the new setting. 7 Press the center button to go back to the home screen. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
-
Page 56: To Connect The Pc Cable To The Switch Box
You can find a short overview of the settings in the configuration here. All the settings can also be adjusted in the settings menu (use the breadcrumbs). For the setting… Refer to… Language [7.1] Time/date [7.2] EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 57: Possible Screens
Eco setpoint [5.3] Reheat setpoint [5.4] Hysteresis [5.9] and [5.A] Operation mode [5.G] 10.3 Possible screens 10.3.1 Possible screens: Overview The most common screens are as follows: EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 58: Home Screen
26 Feb 2019 22:19 Possible actions on this screen Go through the list of the main menu. Go to the main menu screen. Enable/disable breadcrumbs. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 59: Main Menu Screen
User profile Operation Tank User settings Information a Selected submenu Possible actions on this screen Go through the list. Enter the submenu. Enable/disable breadcrumbs. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 60: Menu Screen
Go through the list. Enter the submenu/setting. 10.3.5 Setpoint screen The setpoint screen is displayed for screens describing system components that need a setpoint value. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 61: Detailed Screen With Values
Values c Selected setting and value Possible actions on this screen Go through the list of settings. Change the value. Go to the next setting. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 62: Preset Values And Schedules
Example: In [7.4.2] User settings > Quiet > Schedule (weekly schedule for when the unit has to use which quiet mode level), you can use the following system-defined preset values: Quiet/More quiet/Most quiet. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... -
Page 63: Using And Programming Schedules
Note: In Schedule + reheat mode, the system also takes the user-defined preset value [5.4] Reheat setpoint into account. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 64: Schedule Screen: Example
4 Copy the schedule to the other weekdays. 5 Program the schedule for Saturday and copy it to Sunday. To go to the schedule 1 Go to [5.5]: Tank > Schedule. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 65: Select Edit
Delete Edit Copy 3 Select OK to confirm. To program the schedule for Monday 1 Select Monday. User defined 2 Select Edit. Delete Edit Copy EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 66 Copy Result: Next to the copied day, "C" is displayed. 3 Select Tuesday. User defined 4 Select Paste. Delete Edit Copy Paste Result: User defined EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 67: Weather-Dependent Curve
Because it reacts more quickly, it prevents high rises and drops of the water temperature at tap points. Advantage Weather-dependent operation reduces energy consumption. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 68: 2-Points Curve
: 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. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 69: Slope-Offset Curve
Examples of outdoor ambient temperature Y1, Y2, Y3, Examples of desired tank temperature. The icon corresponds to the heat emitter for that zone: ▪ : Domestic hot water tank EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 70: Using Weather-Dependent Curves
At regular outdoor At cold outdoor Slope Offset temperatures … temperatures … Cold ↑ — ↓ — Cold ↓ ↑ Cold Cold — ↑ EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 71: Settings Menu
[0] Malfunctioning. Press more information about the error. [0] Malfunctioning User profile Operation Malfunctioning Tank User settings EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 72: Tank
You cannot wait for the next scheduled action to heat up the storage tank. Then you can activate DHW powerful operation. Advantage: The storage tank is immediately heated up to the Comfort setpoint. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 73 The domestic hot water can be prepared in 3 different ways. They differ from each other by the way the desired tank temperature is set and how the unit acts upon it. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
- Page 74 ▪ 1: Monday ▪ 2: Tuesday ▪ 3: Wednesday ▪ 4: Thursday ▪ 5: Friday ▪ 6: Saturday ▪ 7: Sunday [5.7.3] [2‑02] Start time EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 75 When the Schedule only mode is selected, it is recommended to program an Eco action 3 hours before the scheduled start-up of the disinfection function to preheat the tank. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
- Page 76 If Reheat setpoint is outside operation range of the outdoor unit, then the hysteresis will refer to the the highest temperature achievable by heat pump operation. Setpoint mode Code Description [5.B] Setpoint mode: ▪ Fixed ▪ Weather dependent EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 77 35°C~[6‑0E]°C Margin In domestic hot water operation, the following hysteresis value can be set for the heat pump operation: EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 78 The maximum heat pump temperature depends on the ambient temperature. For more information, see the operation range. WD curve type There are 2 methods to define the weather-dependent curves: ▪ 2-points (see "10.5.2 2-points curve" [ 68]) EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 79 When ambient temperature and/or target temperature is outside the operation range of outdoor unit, booster heater is also allowed to operate, refer to "Operation" [ 86]. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 80: User Settings
During your holiday, you can use the holiday mode to deviate from your normal schedules without having to change them. While holiday mode is active, domestic hot water operation will be turned off. Disinfection operation will remain active. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... - Page 81 If enabled by the installer, the user can program a quiet mode schedule. INFORMATION If the outdoor temperature is below zero, we recommend to NOT use the most quiet level. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 82 2 Define the restrictions (time + level) to be used before midday (AM): ▪ [7.4.4.2] AM Restricted time Example: From 9 a.m. to 11 a.m. ▪ [7.4.4.3] AM Restricted level Example: More quiet EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 83: Information
[8.A] Reset Dealer information The installer can fill in his contact number here. Code Description [8.3] Number that users can call in case of problems. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 84: Installer Settings
User profile [9.5] Emergency [9.9] Power consumption control [9.E] Auto restart [9.F] Power saving function [9.G] Disable protections [9.I] Overview field settings [9.N] Export MMI settings EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 85 Tank > Quick mode timer as "set by installer". We recommend to select one of the preset values for end user. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 86 To manually recover it via the user interface, go to the Malfunctioning main menu screen and confirm whether the booster heater can take over the heat load or not. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
- Page 87 12 A~50 A Limit when [9.9.1]=Continuous and [9.9.2]=kW: Code Description [9.9.8] [5-09] Limit: Only applicable in case of full time power limitation mode. 3 kW~20 kW EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 88 Power saving function for outdoor unit: ▪ 0: No ▪ 1: Yes Disable protections Protective functions The unit is equipped with the following protective function: ▪ Tank disinfection [2-01] EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 89 1 Insert a USB memory stick in the user interface. — 1× 2 On the user interface, go to [9.N] Export MMI settings. 3 Select OK. 4 Remove the USB memory stick. — EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 90: 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. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 91: Wlan
See the installation manual of the WLAN cartridge. Router Field supply. Smartphone + app The ONECTA app needs to be installed on the user's smartphone. See: http://www.onlinecontroller.daikineurope.com/ EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 92 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. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank...
- Page 93 Connected to [WLAN_SSID] [D.6] Cloud connection: Read out the status of the connection to the cloud. Code Description [D.6] Cloud connection: ▪ Not connected ▪ Connected EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 94: Menu Structure: Overview User Settings
(**) Only accessible by installer (***) Only applicable when WLAN is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 95: Menu Structure: Overview Installer Settings
Power consumption control Type Limit Priority heater (*) Can NOT be adjusted INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 96: 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 97: Checklist Before Commissioning
There is NO water leak inside the indoor unit. The stop valves (gas and liquid) on the outdoor and indoor units are fully open. The domestic hot water tank is filled completely. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... -
Page 98: Checklist During Commissioning
Perform an actuator test run to confirm the operation of the different actuators. For example, when you select Booster heater, a test run of the booster heater will start. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... - Page 99 To stop the test run manually: — 1 In the menu, go to Stop test run. 2 Select OK to confirm. Possible actuator test runs ▪ Booster heater test EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 100: Hand-Over To The User
Show the user what to do for the maintenance of the unit. ▪ Explain about energy saving tips to the user as described in the operation manual. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 101: 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 102: Yearly Maintenance Indoor Unit: Instructions
To check the integrity of the magnesium anode drain the domestic hot water tank, remove the booster heater from the domestic hot water tank and check the anode. If corrosion affects more than 2/3 of the anode surface, please replace it. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... -
Page 103: To Drain The Domestic Hot Water Tank
The water in the tank can be very hot. Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Close the cold water supply. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 104: To Inspect The Inside Of The Domestic Hot Water Tank
3 Install the booster heater in the correct location on the domestic hot water tank. ALWAYS install a new seal. 4 Install and tighten the five bolts to 10 N•m of torque to fix the booster heater. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... -
Page 105: Troubleshooting
MUST NOT be supplied through an external switching device, such as a timer, or connected to a circuit that is regularly turned ON and OFF by the utility. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... -
Page 106: Solving Problems Based On Symptoms
This should be done by a licensed installer or by your local dealer. This chapter gives you an overview of most possible error codes and their descriptions as they appear on the user interface. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank... -
Page 107: To Display The Help Text In Case Of A Malfunction
Too long DHW heat-up time required C4-00 Heat exchanger temperature sensor problem C5-00 Heat exchanger thermistor abnormality E1-00 OU: PCB defect E3-00 OU: Actuation of high pressure switch (HPS) EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... - Page 108 OU: Malfunction of inverter radiating fin temperature rise L5-00 OU: Inverter instantaneous overcurrent (DC) L8-00 Malfunction triggered by a thermal protection in the inverter PCB P1-00 Open-phase power supply imbalance EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 109 Eco action 3 hours before the scheduled start-up of the disinfection function to preheat the tank. INFORMATION Error AJ-03 is reset automatically from the moment there is a normal tank heat-up. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
- Page 110 A malfunctioning booster heater will have an impact on energy metering and power consumption control. INFORMATION The user interface will display how to reset an error code. EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04...
-
Page 111: Technical Data
Technical data 15 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 15.1... -
Page 112: Piping Diagram: Indoor Unit
R3T Thermistor heat exchanger – Liquid pipe b1 Liquid stop valve R5T Tank thermistor b2 Gas stop valve c Booster heater d Pressure and temperature relief valve (only for UK) EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 113: Wiring Diagram: Indoor Unit
Q1DI Earth leakage circuit breaker Power supply transformer Booster heater power supply terminal strip client Booster heater power supply terminal strip X*, X*A, X*B Connector EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 114: Terminal Strip
X5M: 1-2-3-earth 4 core INDOOR UNIT X2M: 1-2-3-earth booster heater power supply (1.2 kW): 3 core 230 V + earth X8M: L-N + earth (F2B) EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 115: Test Results In Accordance With En12897 (2016)
3.5 bar Operating pressure of the expansion valve 6 bar Pre-charge pressure of the expansion vessel 2.5 bar Operating temperature of the non-self-restarting thermostat 82 °C EKHWETU120B Installer reference guide R32 Split series – Domestic hot water tank 4P773932-1 – 2024.04... -
Page 116: 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 117: Field Settings Table
Field settings table Applicable indoor units EKHWET90BAV3 EKHWET(U)120BAV3 Notes (*1) EKHWET90+120 (*2) EKHWETU120 4P688157-1D - 2024.07... - Page 118 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 50°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 119 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.9.2 [4-09] Type 0: Current 1: Power 9.9.3 [5-05] Limit 12~50 A, step: 1 A 12 A 9.9.8 [5-09] Limit 3~20 kW, step: 0,5 kW 3 kW...
- Page 120 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [A-03] [A-04] [B-00] [B-01] [B-02] [B-03] [B-04] [E-00] Which type of unit is installed? 4: DHWHP [E-01] Which type of compressor is installed? [E-02] What is the indoor unit software type? 1: Heating only...
- Page 124 4P773932-1 2024.04...
Need help?
Do you have a question about the EKHWETU120B and is the answer not in the manual?
Questions and answers