Page 1 Installer reference guide Daikin Altherma 3 R ECH₂O https://daikintechnicaldatahub.eu ERLA11D▲V3▼ EBSH11P30D▲▼ EBSX11P30D▲▼ ERLA14D▲V3▼ EBSH11P50D▲▼ EBSX11P50D▲▼ ERLA16D▲V3▼ EBSH16P30D▲▼ EBSX16P30D▲▼ ERLA11D▲W1▼ EBSH16P50D▲▼ EBSX16P50D▲▼ ERLA14D▲W1▼ EBSHB11P30D▲▼ EBSXB11P30D▲▼ ERLA16D▲W1▼ EBSHB11P50D▲▼ EBSXB11P50D▲▼ EBSHB16P30D▲▼ EBSXB16P30D▲▼ EBSHB16P50D▲▼ EBSXB16P50D▲▼ ▲= 1, 2, 3, …, 9, A, B, C, …, Z...
Page 2 Power limitation activated by digital inputs....................6.6.3 Power limitation process ..........................6.6.4 BBR16 power limitation..........................Setting up an external temperature sensor........................7 Unit installation Preparing the installation site ............................Installer reference guide ERLA11~16D + EBSH/X(B)11+16P30+50DG Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 3 Guidelines when connecting the electrical wiring ..................123 9.1.3 About electrical compliance .......................... 125 9.1.4 About preferential kWh rate power supply ....................125 9.1.5 Overview of electrical connections except external actuators ..............125 ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 4 Minimum flow rate ............................254 12.4.2 Air purge function............................255 12.4.3 Operation test run ............................257 12.4.4 Actuator test run............................258 12.4.5 Underfloor heating screed dryout......................... 259 Installer reference guide ERLA11~16D + EBSH/X(B)11+16P30+50DG Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 5 Wiring diagram: Outdoor unit............................292 17.5 Wiring diagram: Indoor unit............................293 17.6 ESP curve: Indoor unit ..............................299 17.7 Name plate: Indoor unit..............................299 18 Glossary 19 Field settings table ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 6 Format: Paper (in the box of the indoor unit) ▪ User reference guide: Detailed step-by-step instructions and background information for basic and advanced usage Format: Digital files on https://www.daikin.eu. Use the search function find your model. ▪ Installation manual – Outdoor unit: Installation instructions Format: Paper (in the box of the outdoor unit) ▪...
Page 7 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 8 About the units and options ▪ How to identify the units ▪ Possible combinations of units and options Application guidelines Various installation setups of the system ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 9 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. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 10 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 11 ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 12 ONLY use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 13 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. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 14 Install power cables at least 1 meter away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1 meter may NOT be sufficient. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 15 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. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 16 Do NOT use means to accelerate the defrosting process or to clean the equipment, other than those recommended by the manufacturer. ▪ Be aware that R32 refrigerant does NOT contain an odour. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 17 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. Opening and closing the units (see "7.2 Opening and closing the...
Page 18 The wiring diagram of the indoor unit, which is delivered with the unit, located on the inside of the indoor unit switch box cover. For a translation of its legend, see "17.5 Wiring diagram: Indoor unit" [ 293]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 19 CAUTION To guarantee the unit is completely earthed, ALWAYS connect the backup heater power supply and the earth cable. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 20 If the internal wiring is damaged, it has to be replaced by the manufacturer, its service agent or similarly qualified persons. "15 Troubleshooting" [ 267]) Troubleshooting (see DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 21 "16 Disposal" [ 278]) Disposal (see DANGER: RISK OF BURNING/SCALDING The water in the storage tank and all the connected piping can be very hot. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 22 1 To handle the unit before unpacking, use a forklift or pallet truck. 2 When you are near the final installation position, remove the cardboard box. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 23 ▪ Carry the unit using the sling (left) and the unit's handles (right), and put it onto the installation structure. ▪ Remove the sling, and dispose of it. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 24 2 Remove and discard the transportation stay (b). 3 Remove and discard the spacer (c). 4 Reinstall the nut (a) of the compressor mounting bolt and torque to 10.1 N•m. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 25 The rear locking parts are maybe no longer accessible when the indoor unit is at the final installation location. (see "7.2.4 To open the indoor unit" [ 84]). 4.2.1 To unpack the indoor unit ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 26 Screw for switch box metal insert s Top cover screws t General safety precautions u Indoor unit installation manual v Operation manual x Addendum software changelog x Addendum commercial warranty ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 27 3 Use the handles to carry the unit. 4 After carrying the unit remove the handles, add the screw plugs again and insert the thread covers on the plugs. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 28 Low water temperature – ambient zone 2 (see operation range) Refrigerant R32 Capacity class Model series Power supply: V3=1N~, 230 V AC, 50 Hz W1=3N~, 400 V AC, 50 Hz Model series ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 29 Certain options may NOT be available in your country. 5.3.1 Possible combinations of indoor unit and outdoor unit Indoor unit Outdoor unit ERLA11 ERLA14 ERLA16 EBSH/X11 — — EBSH/X16 — ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 30 You can only connect either the remote indoor sensor or the remote outdoor sensor. Remote outdoor sensor (EKRSCA1) By default the sensor inside the outdoor unit will be used to measure the outdoor temperature. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 31 Controller for cascade control. Bizone kit (EKMIKPOA or EKMIKPHA) You can install an optional bizone kit. For installation instructions, see the installation manual of the bizone kit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 32 For installation instructions, see the installation manual of the recirculation kit. Dirt Separator (156021 or 156023) It is recommended to install a dirt separator in the system. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 33 A solar drainback kit including solar pump and solar controller can be directly connected to the pressureless storage tank of the indoor unit. For installation instructions, see the installation manual of the solar drainback kit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 34 Setting up the power consumption control ▪ Setting up an external temperature sensor ▪ Setting up a bivalent heat source for domestic hot water and space heating ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 35 Automatic. NOTICE A differential pressure bypass valve can be integrated in the system. Keep in mind that this valve might not be shown on the illustrations. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 36 For your daily needs, you can use preset values and schedules. To deviate from your daily needs, you can temporarily overrule the preset values and schedules, or use the holiday mode. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 37 Code: [C-05] heating or cooling demand. Benefits ▪ Wireless. The Daikin external room thermostat is available in a wireless version. ▪ Efficiency. Although the external room thermostat only sends ON/OFF signals, it is specifically designed for the heat pump system. ▪...
Page 38 OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. Benefits ▪ Cooling. The heat pump convector offers, besides heating capacity, also excellent cooling capacity. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 39 (X12M/15 and X12M/22). ▪ The space operation mode is sent by one digital output (X12M/9 and X12M/10) on the indoor unit to: The heat pump convectors The shut-off valve ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 40 Human Comfort Interface (BRC1HHDA) or an external room thermostat), while the other rooms are controlled by so-called thermostatic valves, which open or close depending on the room temperature. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 41 Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] Benefits ▪ Easy. Same installation as for one room, but with thermostatic valves. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 42 Compared with underfloor heating or radiators for one room: ▪ Comfort. You can set the desired room temperature, including schedules, for each room via the room thermostats. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 43 ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 44 EKVKHPC on each heat pump convector. Configuration Setting Value Unit temperature control: 1 (External room thermostat): Unit operation is decided by the ▪ #: [2.9] external thermostat. ▪ Code: [C-07] ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 45 The addendum book for optional equipment ▪ For each room with underfloor heating: The desired room temperature is set via the external room thermostat (wired or wireless). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 46 In cooling mode, you can allow the underfloor heating (main zone) to provide refreshment (no real cooling), or NOT allow it. See setup below. Setup Three bizone kit system variations are possible: System without hydraulic separator: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 47 A Additional leaving water temperature zone B Room 1 C Room 2 D Main leaving water temperature zone E Room 3 a Heat pump convectors (+ controllers) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 48 (X12M/19 and X12M/22). The indoor unit will only supply the desired additional leaving water temperature when there is an actual demand. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 49 If the main zone must be shut off during cooling mode to prevent condensation on the floor, set it accordingly. "Bizone kit" [ 244] for more information on configuration of the bizone kit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 50 (status of the changeover to external heat source). When the permission is given to the auxiliary boiler, the space heating by the indoor unit is turned OFF. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 51 Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. ▪ Make sure the return water to the heat pump does NOT exceed 60°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 60°C.
Page 52 NOT influenced or turned ON/OFF by direct sunlight. ▪ Frequent changeover may cause corrosion of the auxiliary boiler. Contact the manufacturer of the auxiliary boiler for more information. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 53 ▪ Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. ▪ Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boiler system. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O...
Page 54 6.3.3 Setting up a solar system via drainback connection A pressureless solar system can be directly connected to the storage tank via drainback connection. Setup 1 Integrate the solar system as follows: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 55 "Intelligent tank manager" [ 241] for more information on configuration. 6.3.4 Setting up a solar system via bivalent heat exchanger Setup 1 Integrate the solar system as follows: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 56 Set the capacity steps, if applicable 6.4 Setting up the storage tank 6.4.1 System layout – Integrated storage tank A Domestic hot water a Cold water IN b Hot water OUT ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 57 ▪ The lower the desired storage tank temperature, the more cost effective. By selecting a larger storage tank, you can lower the desired storage tank temperature. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 58 "9.3.7 To connect the domestic hot water pump" [ 142]. ▪ For installation instructions of the optional recirculation connection, see the installation manual of the recirculation kit (141554). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 59 Via the user interface, you can read out the following energy data: Produced heat Consumed energy ▪ You can read out the energy data: For space heating For space cooling For domestic hot water production ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 60 Requires external power meters. ▪ Setup and configuration: When using electrical power meters, set the number of pulses/kWh for each power meter via the user interface. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 61 Outdoor unit (L d Fuse (L e Indoor unit (L e Outdoor unit (L f Backup heater (L f Indoor unit (L g Backup heater (L ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 62 A Outdoor unit B Indoor unit a Electrical cabinet (L /N): Preferential kWh rate power supply b Electrical cabinet (L /N): Normal kWh rate power supply ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 63 Permanent power limitation is useful to assure a maximum power or current input of the system. In some countries, legislation limits the maximum power consumption for space heating and DHW production. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 64 6.6.2 Power limitation activated by digital inputs Power limitation is also useful in combination with an energy management system. The power or current of the entire Daikin system is limited dynamically by digital inputs (maximum four steps). Each power limitation level is set via the user interface by limiting one of the following: ▪...
Page 65 Produced heat Consumed energy A Outdoor unit B Backup heater a Limited outdoor unit operation b Full outdoor unit operation c Backup heater step 1 turned ON ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 66 That is NOT exposed to direct sunlight That is NOT near a heat source That is NOT affected by outside air or air draught because of, for example, door opening/closing ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 67 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 68 10]. ▪ "7.1.3 Installation site requirements of the indoor unit" [ 71] (refrigerant piping length and height difference). Mind the spacing guidelines. See "17.1 Service space: Outdoor unit" [ 288]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 69 Prevailing wind direction c Air outlet a Baffle plate b Prevailing wind direction c Air outlet Do NOT install the unit in the following places: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 70 Windbreaker The outdoor unit is designed for outdoor installation only, and for the following ambient temperatures: Cooling mode 10~43°C Heating mode –25~35°C DHW production –25~35°C ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 71 Mind the following measurements guidelines: Maximum refrigerant piping length between indoor unit and 50 m outdoor unit Minimum refrigerant piping length between indoor unit and 3 m outdoor unit ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 72 In places where frost is possible. Ambient temperature around the indoor unit must be >5°C. ▪ In places where the unit is exposed to direct sunlight for long periods of time. Extensive UV radiation can damage the unit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 73 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 74 ▪ Unit's connection point for the chimney = 1" male thread. Use a compatible counterpart for the chimney. ▪ Make sure the connection is airtight. Chimney ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 75 When connecting a chimney ▪ Install the chimney socket (delivered as accessory) to the plate heat exchanger box. 1× 1× 1× 1× a Chimney socket b Securing clip ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 76 Chimney height = ΔH0 See table 3: For ΔH0: Can the maximum chimney length be respected, and is the chimney practically feasible? ΔH0 Go to PATTERN 2 ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 77 ▪ 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 ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 78 Ventilation openings must comply with A and with nv-min "Conditions ventilation openings" on previous page). Min. 50% Min. 50% ΔH1 of A of A nv-min nv-min (≥A (≥A nv-min nv-min ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 79 3.30 m 2.10 m 4 kg 3.47 m 2.21 m 4.5 kg 3.91 m 2.49 m 2.03 m 5 kg 4.34 m 2.77 m 2.26 m 1.96 m 5.5 kg 4.78 m 3.04 m 2.49 m 2.15 m 1.93 m 5.8 kg 5.04 m 3.21 m 2.62 m 2.27 m 2.03 m ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 80 Floor area of room A (m²) [! NOT room A + room B !] 5.00 m 10.00 m 15.00 m 20.00 m 25.00 m 1.89 m 8.256 dm 6.132 dm 4.600 dm 2.963 dm 1.289 dm 1.90 m 8.184 dm 6.038 dm 4.488 dm 2.835 dm 1.146 dm ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 81 25.00 m 2.00 m 7.750 dm 5.470 dm 3.806 dm 2.053 dm 0.274 dm 2.20 m 6.902 dm 4.354 dm 2.461 dm 0.508 dm 2.40 m 6.143 dm 3.343 dm 1.237 dm 2.60 m 5.454 dm 2.419 dm 0.115 dm 2.80 m 4.825 dm 1.568 dm 3.00 m 4.245 dm 0.776 dm ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 82 For intermediate refrigerant charges, use the row with the higher value. Example: If the refrigerant charge is 4.3 kg, use the row of 4.4 kg. Total refrigerant charge (kg) (dm²) nv-min 3.8 kg 9.9 dm 4 kg 10.1 dm 4.2 kg 10.4 dm ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 83 Do NOT leave the unit unattended when the service cover is removed. 7.2.2 To open the outdoor unit DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING 1× 8 mm ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 84 1 Lower the user interface panel. Open the hinges at the top and slide the interface panel downwards. Open the switchbox cover 1 Remove the switch box cover. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 85 2 Lift up the switch box. 2× 3 Lower the switch box. 4 Hang the switch box in the lugs. 5 Remove the switch box cover. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 86 Prerequisite: The user interface panel has been opened and the switch box has been lowered. 1 Open the locking parts of the side panels with a screw driver. 180° 4× 2 Lift up the side panels. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 87 6 Check that the locking parts of the side panels slide onto the plugs of the tank. 7 Close the locking parts of the side panels. 8 Put the switch box back into place. 9 Close the user interface panel. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 88 Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise. Fix the unit securely by means of foundation bolts in accordance with the foundation drawing. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 89 1 To handle the unit and to put in onto the installation structure, see "4.1.1 To handle, unpack and remove accessories – Outdoor unit" [ 22]. 2 Fix the unit to the installation structure. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 90 If drain holes of the outdoor unit are covered by a mounting base or by floor surface, raise the unit to provide a free space of more than 150 mm under the outdoor unit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 91 1 Insert the hooks. To prevent breaking the hooks: ▪ First insert the bottom hooks (2×). ▪ Then insert the top hooks (2×). 2 Insert and fix the screws (4×)(delivered as accessory). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 92 27]. 2 Connect the drain hose to the drain. See "7.4.4 To connect the drain hose to drain" [ 93]. 3 Slide the indoor unit into position. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 93 5 Connect the drain hose to an appropriate drain. Ensure the water can flow through the drain hose. Ensure that the water level cannot mount above the overspill. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 94 7 Connect the pressure relief valve to an appropriate drain in accordance with the applicable legislation. Ensure that any steam or water that may escape is drained in a frost-protected, safe and observable manner. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 95 Connect both ends without brazing. If brazing should be needed, take the guidelines in the installer reference guide into account. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 96 Connecting the refrigerant piping involves: ▪ Connecting the refrigerant piping to the outdoor unit ▪ Connecting the refrigerant piping to the indoor unit ▪ Insulating the refrigerant piping ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 97 Use caution when passing copper tubes through walls (see figure below). Unit Installation period Protection method Outdoor unit >1 month Pinch the pipe <1 month Pinch or tape the pipe Indoor unit Regardless of the period ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 98 1 Cut the pipe end with a pipe cutter. 2 Remove burrs with the cut surface facing down so that the chips do NOT enter the pipe. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 99 ▪ ALWAYS protect the surrounding surfaces (e.g. insulation foam) from heat when brazing. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 100 2 Insert a hexagon wrench (liquid side: 4 mm, gas side: 4 mm) into the valve stem and turn the valve stem: Counterclockwise to open Clockwise to close 3 When the stop valve CANNOT be turned any further, stop turning. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 101 ▪ Remove the service cover (a) with screw (b). ▪ Remove the piping intake plate (c) with screws (d). 2 Choose a piping route (a, b, c or d). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 102 ▪ Make sure the field piping does not touch any compressor components. ▪ Seal the insulation ends (sealant etc.) (d). ▪ Wrap the field piping with vinyl tape (e) to protect it against sharp edges ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 103 8.2.9 To connect the refrigerant piping to the indoor unit 1 Connect the refrigerant liquid pipe from the liquid stop valve of the outdoor unit to the refrigerant liquid connection of the indoor unit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 104 8.3.2 Precautions when checking the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 10] ▪ "8.1 Preparing refrigerant piping" [ 95] ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 105 (depending on local legislation) to detect small leaks. 2 Check for leaks by applying the bubble test solution to all connections. 3 Discharge all nitrogen gas. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 106 Charging additional refrigerant When the total liquid piping length is more than specified (see later). Completely recharging refrigerant Example: ▪ When relocating the system. ▪ After a leak. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 107 Internal pressures need to be released with ALL the service ports indicated on the figures below opened. The location is depending on model type. Location of service ports: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 108 R=Additional charge (kg) (rounded in units of 0.01 kg) INFORMATION Piping length is the one-way length of liquid piping. Charging refrigerant: Setup "8.3.3 Checking refrigerant piping: Setup" [ 105]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 109 R32 contains fluorinated greenhouse gases. Its global warming potential (GWP) value is 675. Do NOT vent these gases into the atmosphere. ▪ When charging refrigerant, ALWAYS use protective gloves and safety glasses. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 110 8.5 Preparing water piping 8.5.1 Water circuit requirements INFORMATION Also read the precautions and requirements in the "2 General safety precautions" [ 10]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 111 Water pressure – Domestic hot water. The maximum water pressure is 10 bar. Provide adequate safeguards in the DHW circuit to ensure that the maximum pressure is NOT exceeded. The minimum water pressure to operate is 1 bar. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 112 Magnetic filter/dirt separator. If the indoor unit is connected to a heating system with radiators, steel pipes, or non-diffusion-proof floor heating pipes, it is necessary to install a magnetic filter/dirt separator into the return flow of the ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 113 The internal water volume of the indoor unit is NOT considered for this minimum water volume. If… Then the minimum water volume is… Cooling operation 20 l ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 114 254]. 8.6 Connecting water piping 8.6.1 About connecting the water piping Before connecting the water piping Make sure the outdoor and indoor unit are mounted. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 115 2 Connect the shut-off valves using the flat gaskets (accessory bag) to the space heating/cooling water pipes of the indoor unit. 3 Connect the space heating/cooling field piping to the shut-off valves using a sealing. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 116 N•m). 5 Support the water piping. For rearward facing connections: Support hydraulic lines suitably according to the spatial conditions. This is valid for all water pipes. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 117 DHW – Cold water IN (male, 1") *e Pressure relief valve (max. 10 bar (=1.0 MPa))(mandatory) f Non-return valve (recommended) g Pressure gauge (recommended) *h Tundish (mandatory) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 118 There may not be any hydraulic blocking elements between the heat generator and the safety valve. 2 Position the pressure vessel in an easily accessible place (maintenance, parts replacement). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 119 Space heating/cooling water OUT d Space heating/cooling water IN e.1 Valve motor e.2 Valve motor latch f Water tap g Automatic air purge valve h Pressure gauge (field supply) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 120 Fill the storage tank with a water pressure <6 bar and a flow speed <15 l/min. Without installed drainback solar kit (option) 1 Connect a hose with non-return valve (1/2") to the drainback connection. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 121 If the temperature is higher than 30°C and the humidity is higher than RH 80%, the thickness of the insulation materials should be at least 20 mm to prevent condensation on the surface of the insulation. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 122 ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 123 To prepare stranded conductor wire for installation Method 1: Twisting conductor 1 Strip insulation (20 mm) from the wires. 2 Slightly twist the end of the conductor to create a "solid-like" connection. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 124 Tightening torque (N•m) M4 (X1M) 1.2~1.8 M4 (earth) 1.2~1.4 M5 (X1M) 2.0~3.0 M5 (earth) 2.4~2.9 Indoor unit: Item Tightening torque (N•m) M4 (X1M) M4 (X12M, X15M) 0.88 ±10% ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 125 9.1.5 Overview of electrical connections except external actuators NOTICE Unlike to other indoor unit model types, Daikin Altherma 3 * ECH₂O always needs a dedicated power supply for the indoor unit. It is NOT possible to use the interconnection cable as power supply for the indoor unit.
Page 126 5 Power supply for indoor unit 9.2 Connections to the outdoor unit Item Description Power supply cable "9.2.2 To connect the electrical wiring to the outdoor unit" [ 127]. Interconnection cable ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 127 An excessive strip length may cause electrical shock or leakage 3 Connect the interconnection cable and power supply (1N~or 3N~ depending on model, see name plate) as follows: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 128 6 Route the wiring through the frame and connect the wiring to the frame at the knockout hole. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 129 8 Connect an earth leakage circuit breaker and fuse to the power supply line. 9.3 Connections to the indoor unit Item Description Power supply (main) "9.3.2 To connect the main power supply" [ 134]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 130 Maximum running current: 100 mA For the main zone: ▪ [2.9] Control ▪ [2.A] Ext thermostat type For the additional zone: ▪ [3.A] Ext thermostat type ▪ [3.9] (read-only) Control ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 131 Installation and operation manual of the Human Comfort Interface ▪ Addendum book for optional equipment Wires: 2×(0.75~1.25 mm²) Maximum length: 500 m [2.9] Control [1.6] Room sensor offset ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 132 If the switch box is lowered in service position while the electrical installation is done, additional cable length has to be taken into account adequately. The cable routing in normal position is longer than in service position. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 133 It is important that the fixing plate of terminals is NOT in service position, while cables are connected to one of the terminals. Otherwise the cables could be too short. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 134 2 Connect the main power supply. In case of normal kWh rate power supply Interconnection cable Wires: (3+GND)×1.5 mm² Power supply indoor Wires: 1N+GND unit Maximum running current: 6.3 A — ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 135 Preferential kWh rate power supply contact: 16 V DC detection (voltage supplied by PCB). The voltage-free contact shall ensure the minimum applicable load of 15 V DC, 10 mA. [9.8] Benefit kWh power supply ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 136 [9.3] Backup heater WARNING The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 137 Z less than or equal to Z Connect the backup heater power supply as follows: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 138 Electrical installation Model (power supply) Connections to backup heater power supply *3V (3V: 1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 139 1 Open the following (see "7.2.4 To open the indoor unit" [ 84]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 5 Side panel ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 140 2 Connect the valve control cable to the appropriate terminals as shown in the illustration below. NOTICE Wiring is different for a NC (normally closed) valve and a NO (normally open) valve. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 141 3 Switch box cover 4 Top cover 5 Side panel 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 142 3 Switch box cover 4 Top cover 5 Side panel 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 143 3 Switch box cover 4 Top cover 5 Side panel 2 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 144 3 Switch box cover 4 Top cover 5 Side panel 2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 145 3 Switch box cover 4 Top cover 5 Side panel 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 146 84]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 5 Side panel 2 Install the switch box metal insert. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 147 4 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [ 132]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 148 X15M 3 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [ 132]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 149 ([9.A.2] Electricity meter 2 = None) In case of low voltage Smart Grid contacts Wires (Smart Grid pulse meter): 0.5 mm² Wires (low voltage Smart Grid contacts): 0.5 mm² ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 150 S10S X15M.3 X15M.10 3 4 5 6 9 10 X15M.9 X15M X15M.6 S11S X15M.5 3 Fix the cables with cable ties to the cable tie mountings. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 151 1 Install the switch box metal insert. 2 Loosen the cables connected to the terminal of the Smart Grid relay kit (EKRELSG) and remove the terminal. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 152 Electrical installation 3 Install the components of the Smart Grid relay kit as follows: 2× 2× ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 153 X15M.4 X12M.25 X12M.24 X15M.5 X15M.6 4 Connect the low voltage wiring as follows: X15M.10 X15M.9 9 10 X15M 5 Connect the high voltage wiring as follows: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 154 9.3.14 To connect the WLAN cartridge [D] Wireless gateway 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor unit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 155 132]. 9.3.16 To connect the DHW output Wires: 2×0.75 mm² Maximum running current: 0.3 A, 230 V AC — 1 Open the following (see "7.2.4 To open the indoor unit" [ 84]): ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 156 0,3 A - 230 V AC 3 Fix the cable with cable ties to the cable tie mountings. General information, "9.3.1 To connect the electrical wiring to the indoor unit" [ 132]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 157 1 Insulate and fix the refrigerant piping and cables as follows: a Liquid pipe b Gas pipe c Finishing tape d Interconnection cable (F1/F2) e Insulation 2 Install the service cover. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 158 First time – Configuration wizard. When you turn ON the user interface for the first time (via the unit), the configuration wizard starts to help you configure the system. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 159 Move the cursor from left to right. ▪ Confirm the pin code and proceed. Installer pin code The Installer pin code is 5678. Additional menu items and installer settings are now available. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 160 3 Turn the left dial to select the first part of the setting and confirm by pressing the dial. 4 Turn the left dial to select the second part of the setting 01 15 ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 161 2 Connect the plug of the cable to X10A on A1P of the switch box of the indoor unit. X10A 3 Pay special attention to the position of the plug! ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 162 "11.5.3 Main zone" [ 182] Control [2.9] Setpoint mode [2.4] Heating WD curve [2.5] (if applicable) Cooling WD curve [2.6] (if applicable) Schedule [2.1] WD curve type [2.E] ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 163 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 ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 164 Smart energy is currently being used for domestic hot water. Space operation mode Cooling Heating Outdoor / quiet mode Measured outdoor temperature Quiet mode active Outdoor unit ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 165 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Leaving water temperature setpoint ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 166 Shows the applicable symbol of your unit. cooling Put the unit in heating mode or cooling mode. You cannot change the mode on heating only models. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 167 The setpoint screen is displayed for screens describing system components that need a setpoint value. Examples [1] Room temperature screen [2] Main zone screen °C °C – – Room Main zone ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 168 Selected setting and value Possible actions on this screen Go through the list of settings. Change the value. Go to the next setting. Confirm changes and proceed. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 169 To clear the content of the week schedule 1 Select the name of the current schedule. User defined 1 2 Select Delete. Delete Rename Select 3 Select OK to confirm. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 170 In this example, Monday is the first day you programmed. Thus, the last programmed action is valid up to the first action of next Monday. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 171 5 Repeat this action for all other weekdays. — User defined 1 To program the schedule for Saturday and copy it to Sunday 1 Select Saturday. 2 Select Edit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 172 The schedule name can contain up to 15 characters. 5 Confirm the new name. INFORMATION Not all schedules can be renamed. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 173 See "11.4.4 Using weather-dependent curves" [ 176]. 11.4.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 174 Examples Weather-dependent curve when slope is selected: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 175 Possible actions on this screen Select slope or offset. Increase or decrease the slope/offset. When slope is selected: set slope and go to offset. When offset is selected: set offset. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 176 [3.5] Additional zone > Heating WD curve Additional zone – Cooling [3.6] Additional zone > Cooling WD curve Tank Restriction: Only available to installers. [5.C] Tank > WD curve ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 177 "11.4.2 2-points curve" [ 173]. 11.5 Settings menu You can set additional settings using the main menu screen and its submenus. The most important settings are presented here. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 178 "11.3.7 Schedule screen: Example" [ 169]. Cooling schedule Only applicable for reversible models. Define a cooling schedule of the room temperature in [1.3] Cooling schedule. "11.3.7 Schedule screen: Example" [ 169]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 179 Under leaving water temperature control, room frost protection is NOT guaranteed. However, if room antifrost [2‑06] is activated, limited frost protection by the unit is possible: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 180 ▪ The external room thermostat is ▪ the temperature setpoint of the "Thermo OFF", and leaving water will be lowered. ▪ Outdoor temperature drops below 6°C ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 181 Description [1.5.1] [3-07] Heating minimum [1.5.2] [3-06] Heating maximum [1.5.3] [3-09] Cooling minimum [1.5.4] [3-08] Cooling maximum Room sensor offset Only applicable in room thermostat control. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 182 [1.9.1] [9-0A] Heating comfort setpoint ▪ [3-07]~[3-06]°C [1.9.2] [9-0B] Cooling comfort setpoint ▪ [3-09]~[3-08]°C 11.5.3 Main zone Overview The following items are listed in the submenu: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 183 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "11.3.7 Schedule screen: Example" [ 169]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "11.3.7 Schedule screen: Example" [ 169]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 184 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 185 Note: This value should be lower than [1‑02] as for high outdoor temperatures less warm water is required. Cooling WD curve Set weather-dependent cooling for the main zone (if [2.4]=2): ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 186 It is important to set Emitter type correctly and in accordance with your system layout. The target delta T for the main zone depends on it. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 187 Setpoint range To prevent a wrong (i.e. too hot or too cold) leaving water temperature for the main leaving water temperature zone, limit its temperature range. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 188 37°C~60°C ▪ Else: 37°C~55°C [2.8.3] [9-03] Cooling minimum: ▪ 5°C~18°C [2.8.4] [9-02] Cooling maximum: ▪ 18°C~22°C Control Define how the operation of the unit is controlled. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 189 Delta T is the absolute value of the temperature difference between the leaving water and entering water. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 190 Modulation is enabled, the unit automatically calculates the desired leaving water temperature. These calculations are based on: ▪ the preset temperatures, or ▪ the desired weather-dependent temperatures (if weather-dependent is enabled) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 191 The shut off valve for the main leaving water temperature zone can close under these circumstances: INFORMATION During defrost operation, the shut-off valve is ALWAYS opened. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 192 "11.4.2 2-points curve" [ 173] and "11.4.3 Slope-offset curve" [ 174]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset 11.5.4 Additional zone Overview The following items are listed in the submenu: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 193 Example" [ 169]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [ 184]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 194 Note: This value should be lower than [0‑01] as for high outdoor temperatures less warm water is required. Cooling WD curve Set weather-dependent cooling for the additional zone (if [3.4]=2): ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 195 2: Radiator The setting of the emitter type has an influence on the space heating setpoint range and the target delta T in heating as follows: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 196 External room thermostat,or Room thermostat. Ext thermostat type Only applicable in external room thermostat control. Also see "11.5.3 Main zone" [ 182]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 197 ▪ 2-points ▪ Slope-Offset 11.5.5 Space heating/cooling INFORMATION Cooling is only applicable in case of reversible models. Overview The following items are listed in the submenu: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 198 While the unit is in operation, the status indicator will light up blue constantly. To set the space operation mode 1 Go to [4.1]: Space heating/cooling > Operation mode ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 199 If the outdoor temperature is between the Space heating off temperature and the Space cooling off temperature, the operation mode remains unchanged. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 200 The space operation only changes from heating to cooling when the room temperature rises above the desired cooling temperature added by the hysteresis value. ▪ Range: 1°C~10°C ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 201 In heating: a Additional LWT zone: Highest temperature b Main LWT zone: Lowest temperature c Mixing station ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 202 ON or OFF condition. Remark: Continuous pump operation requires more energy than sample or request pump operation. a Space heating/cooling control b Off c On d Pump operation ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 203 In this part of the menu it can be read out which type of unit is used: Code Description [4.6] [E‑02] Unit type: ▪ 0 Reversible ▪ 1 Heating only ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 204 6: 80% pump speed during sampling ▪ 7: 70% pump speed during sampling ▪ 8: 60% pump speed during sampling The maximum values depend on the unit type: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 205 Use this setting to compensate for possible heat losses of the building due to the evaporation of melted ice or snow. (e.g. in cold region countries). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 206 Room frost protection [1.4] prevents the room from getting too cold. For more information about room frost protection, see "11.5.2 Room" [ 178]. 11.5.6 Tank Overview The following items are listed in the submenu: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 207 When powerful operation is active, the risk of space heating/cooling and capacity shortage comfort problems is significant. In case of frequent domestic hot water operation, frequent and long space heating/cooling interruptions will happen. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 208 3: Wednesday ▪ 4: Thursday ▪ 5: Friday ▪ 6: Saturday ▪ 7: Sunday [5.7.3] [2‑02] Start time [5.7.4] [2‑03] Tank setpoint: 60°C [5.7.5] [2‑04] Duration: 40~60 minutes ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 209 During disinfection of the water inside the domestic hot water heat exchanger coil by periodically heating storage tank specific temperature, DHW temperature can exceed this maximum temperature. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 210 Code Description [5.9] [6-00] Heat pump ON hysteresis ▪ 2°C~40°C Setpoint mode Code Description [5.B] Setpoint mode: ▪ Fixed ▪ Weather dependent ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 211 HP MAX Heat pump OFF temperature (T −[6-01]) HP OFF HP MAX Heat pump ON temperature (T −[6-00]) HP ON HP OFF Domestic hot water temperature ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 212 In [5.E] WD curve type, the chosen method is shown read-only (same value as in [2.E]). Code Description [2.E] / [5.E] ▪ 0: 2-points ▪ 1: Slope-Offset 11.5.7 User settings Overview The following items are listed in the submenu: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 213 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. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 214 Use and program a quiet mode Select Automatic. schedule Go to [7.4.2] Schedule and program the schedule. For more information about scheduling, see "11.3.7 Schedule screen: Example" [ 169]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 215 2 Select the correct electricity price. 3 Confirm the changes. 4 Repeat this for all three electricity prices. — INFORMATION Price value ranging from 0.00~990 valuta/kWh (with 2 significant values). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 216 Data Price/kWh Gas price 4.08 Electricity price 12.49 Renewable heat incentive per kWh Calculation of the gas price Gas price=Actual gas price+(Incentive/kWh×0.9) Gas price=4.08+(5×0.9) Gas price=8.58 ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 217 Number that users can call in case of problems. Reset Reset the configuration settings stored in the MMI (user interface of the indoor unit). Example: Energy meterings, holiday settings. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 218 Actuator status Pump is running. Heat pump is operating. Backup heater is activated. Tank valve is turning. Valve position [%]. Bypass valve is turning. Valve position [%]. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 219 [8.B] Piping diagram Real-time sensor and actuator information of the main system components 11.5.9 Installer settings Overview The following items are listed in the submenu: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 220 The system includes an energy storage tank and can prepare domestic hot water. This setting is read only. Code Description [9.2.1] [E‑05] ▪ Integrated The backup heater will also be used for [E‑06] domestic hot water heating. [E‑07] ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 221 When measuring the resistance value of each heater, you can set the exact heater capacity and this will lead to more accurate energy data. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 222 If the storage temperature setpoint is higher than 50°C and no auxiliary boiler is installed, Daikin recommends NOT to disable the backup heater second step because it will have a big impact on the required time for the unit to heat up the storage tank.
Page 223 The backup heater will ONLY assist if you increase the equilibrium temperature [5‑01] to the required ambient temperature you need to reach the higher setpoint. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 224 Malfunctioning main menu screen. To keep energy consumption low, we recommend to set Emergency to auto SH reduced/DHW off if the house is unattended for longer periods. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 225 Heat pump operation is NOT possible ▪ Cooling is NOT possible Code Description [9.5.2] [7-06] Activation of the Compressor forced off mode: ▪ 0: disabled ▪ 1: enabled ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 226 1 Heat pump domestic water heating mode (1=active, 0=not active) 2 Hot water request for heat pump (1=request, 0=no request) t Time [8-04]: Additional timer at [4-02]/[F-01] ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 227 Only relevant for installations with water piping outdoors. This function tries to protect outdoor water piping from freezing. Code Description [9.7] [4-04] Water pipe freeze prevention: ▪ 2: Off (read only) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 228 Emergency mode. In case emergency mode is active, buffering with electrical heater is NOT possible in Forced on and Recommended on operation modes. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 229 Therefore, always enable the auto restart function. ▪ 3 Smart Grid: A Smart Grid is connected to the system ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 230 Yes: The extra energy from the photovoltaic panels is buffered in the storage tank, and in the space heating/cooling circuit (i.e. heat up or cool down the room). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 231 Limit when [9.9.1]=Continuous and [9.9.2]=Amp: Code Description [9.9.3] [5-05] Limit: Only applicable in case of full time current limitation mode. 0 A~50 A Limits when [9.9.1]=Inputs and [9.9.2]=Amp: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 232 In case power consumption control is ENABLED, the setting [4‑01] defines the priority of the electrical heaters depending on applicable limitation. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 233 Electricity meter 1: ▪ 0 None: NOT installed ▪ 1 1/10kWh: Installed ▪ 2 1/kWh: Installed ▪ 3 10/kWh: Installed ▪ 4 100/kWh: Installed ▪ 5 1000/kWh: Installed ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 234 The average timer corrects the influence of ambient temperature variations. The weather-dependent setpoint calculation is done on the average outdoor temperature. The outdoor temperature is averaged over the selected time period. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 235 NOTICE Direct (SH) operation is only possible if: ▪ Space heating is turned ON, and ▪ Tank operation is turned OFF. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 236 Range: 2°C~10°C (step: 1°C) The higher the value of [C‑04], the higher the accuracy of the switch-over between the heat pump system and the auxiliary boiler. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 237 Solar panels. If solar panels are used, set the electricity price value very low to promote the use of the heat pump. Code Description [7.5.1] User settings > Electricity price > High [7.5.2] User settings > Electricity price > Medium ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 238 When power returns after a power supply failure, the auto restart function reapplies the user interface settings at the time of the power failure. Therefore, it is recommended to always enable the function. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 239 Unit is in heating operation and has been running for a few minutes ▪ Outdoor ambient temperature is low enough ▪ Temperature at the outdoor unit heat exchanger coil is low enough ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 240 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. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 241 Boiler off temperature (T +3+[7‑0D]) B Off HP tank heating ON temperature (Tank setpoint–[6‑00]) HP on HP! HP more efficient according to efficiency calculation for space heating ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 242 Range: 0 kW~63 kW (step: 1 kW) The capacity should be limited to the capacity provided by the heat pump. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 243 [5-01] Equilibrium temperature: Outdoor temperature below which operation of the backup heater (and tank heating support in case of a bivalent system) is allowed. Range: –15°C~35°C ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 244 0 No : The system only has a main zone. ▪ 1 N/A ▪ 2 Yes: A bizone kit is installed in order to add an additional temperature zone. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 245 The speed of the main zone pump can be fixed with this setting. Code Description [9.P.4] [7-0B] Main zone pump fixed PWM: Fixed pump speed for main (mixed) zone. ▪ 20~95% (default: 95) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 246 "To change the user permission level" [ 159]. [B] User profile Installer settings Commissioning User profile Operation Malfunctioning 11.5.12 Operation Overview The following items are listed in the submenu: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 247 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/ ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 248 ONECTA app. [D.4] Remove from cloud: Remove the WLAN cartridge from the cloud. Code Description [D.4] Remove from cloud: ▪ ▪ ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 249 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 ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 250 (**) 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. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 251 Main zone pump fixed PWM Mixing valve turning time (*) Only applicable in Swedish language. INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 252 12 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 253 The system is properly earthed and the earth terminals are tightened. The fuses or locally installed protection devices are installed according to this document, and have NOT been bypassed. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 254 For a correct operating unit, it is important to check if the minimum flow rate is reached. If needed, modify the bypass valve setting. If operation is… Then the minimum required flow rate is… Cooling 16 l/min Heating/defrost 22 l/min ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 255 Purging the air out of the unit with the manual air vent valves Performing a manual air purge Performing an automatic air purge Purging the air out of the unit with the manual air vent valves ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 256 3 In the menu, set Type = Manual. 4 Select Start air purge. 5 Select OK to confirm. Result: The air purge starts. It stops automatically when ready. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 257 "To change — the user permission level" [ 159]. 2 Go to [A.1]: Commissioning > Operation test run. 3 Select a test from the list. Example: Heating. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 258 For the backup heater test run, make sure that at least one of the two mixing valves of the unit is open during the test. Otherwise the thermal cut-out of the backup heater may be triggered. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 259 Duration and temperature The installer can program up to 20 steps. For each step he needs to enter: 1 the duration in hours, up to 72 hours, ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 260 [2‑06] to "0", and KEEP it disabled until the screed dryout has finished. Ignoring this notice will result in cracking of the screed. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 261 In case of a power failure, the U3 error is not generated. When power is restored, the unit automatically restarts the latest step and continues the program. Stop UFH screed dryout To manually stop underfloor heating screed dryout: ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 262 [C-02] set to 0. HINT: If field code [C-02] is set to 0 and no backup heater is connected, error UA 17 is output at AL 3 * ECH2O. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 263 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. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 264 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 265 OFF. WARNING If the internal wiring is damaged, it has to be replaced by the manufacturer, its service agent or similarly qualified persons. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 266 2 Switch box 2 Check if the red level indicator is visible. If NOT, add water to the storage tank (see "8.6.7 To fill the storage tank" [ 120]). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 267 Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring. 15.2 Precautions when troubleshooting DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 268 If the problem persists after you have conducted all of the above checks, contact your dealer. In some cases, it is normal that the unit decides to use a low water flow. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 269 Change the schedule to not start both disinfection) and space heating operation modes at the same moment. operation are scheduled to start at the same time. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 270 Purge air manually (see "To perform a manual air purge" [ 256]) or use the automatic air purge function (see "To perform an automatic air purge" [ 257]). ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 271 ▪ If the water keeps running out of the unit, close both the water inlet and outlet shut-off valves first and then contact your dealer. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 272 ▪ Increase the "space heating priority temperature" to activate backup heater operation at a higher outdoor temperature. [9.6.3]: Installer settings > Balancing > Priority temperature [5‑03] ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 273 Result: A short description of the error and the error code is displayed on the screen. 2 Press in the error screen. Result: A long description of the error is displayed on the screen. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 274 Overheating water circuit A1-00 Zero cross detection problem A5-00 OU: High pressure peak cut / freeze protection problem AA-01 Backup heater overheated or BUH power cable not connected ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 275 H8-00 OU: Malfunction of compressor input (CT) system H9-00 OU: Malfunction of outdoor air thermistor HC-00 Tank temperature sensor problem HC-01 Second tank temperature sensor problem ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 276 U5-00 User interface communication problem U7-00 OU: Transmission malfunction between main CPU- INV CPU U8-02 Connection with room thermostat lost U8-03 No connection with room thermostat ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 277 If the software is not successfully updated then you must make sure that your USB device has the FAT32 format. INFORMATION The user interface will display how to reset an error code. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 278 2 Manually open the electronic expansion valves. 3 Recover refrigerant from the 3 service ports. To recover refrigerant when power is ON 1 Make sure the unit is not running. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 279 3 Turn the EEV magnet anticlockwise to the fully open position of the valve. If you are not sure about what the open position is, turn the valve in its middle position so that refrigerant can pass. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 280 Action 7-segments display Start from the default situation. Select mode 2. Press and hold BS1 for 5 seconds. Select setting 9. Press BS2 9 times. Select value 2. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 281 Enter the value in the system. Press BS3 once. Confirm. Press BS3 once. Return to the default situation. Press BS1 once. = OFF, = ON, and = flashing. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 282 Result: The recovery mode is deactivated. The unit returns the electronic expansion valves to their initial state. INFORMATION Power OFF. When power is turned OFF and turned ON again, the recovery mode is deactivated automatically. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 283 Press BS1 once. H1P keeps flashing, indicating that you are in a mode that does not allow compressor operation. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 284 To prepare draining when no optional fill and drain kit is available 1 Open the screw plug of the spillover connection. 2 Unplug the spillover connector. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 285 Connection cover b Screw plug 3 Insert the screw plug into the fill and drain kit and secure with the clip contained in the option kit. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 286 2 Place an appropriate tray under the drain connection to collect water spillage. 3 Remove the clip and sealing plug. 4 Insert the fill and drain kit and secure with the clip. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 287 Sealing plug c Fill and drain kit 5 Open the valve of the fill and drain kit. 6 Switch the drain connection valve to standard position. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 288 Technical data 17 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 17.1...
Page 289 Technical data NOTICE Cascading outdoor units. Installation layouts with multiple outdoor units in combination with floor-standing indoor units are NOT allowed. ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 290 S1PH High pressure switch Brazed connection S1PL Low pressure switch S1NPH Pressure sensor Y1E Electronic expansion valve (main) Y3E Electronic expansion valve (injection) Y1S Solenoid valve (4-way valve) ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 291 R3T Thermistor (Refrigerant liquid side) R4T Thermistor (Inlet water) R5T, R8T Thermistor (tank) R7T Thermistor (tank - water OUT) Screw connection Flare connection Quick coupling Brazed connection ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 292 # Earth leakage circuit breaker Terminal strip (4) Notes (4) Notes Main terminal Earth wiring Field supply Several wiring possibilities Option Wiring depending on model Switch box ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 293 Safety thermostat Safety thermostat Main LWT Main leaving water temperature On/OFF thermostat (wired) On/OFF thermostat (wired) On/OFF thermostat (wireless) On/OFF thermostat (wireless) Ext. thermistor External thermistor ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 294 # Domestic hot water pump # 2-way valve for cooling mode PC (A15P) * Power circuit Thermal protector backup heater # Safety thermostat Q*DI # Earth leakage circuit breaker ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 295 Alarm output Alarm output BUH option Backup heater option BUH option only for * Backup heater option only for * Bizone mixing kit Bizone mixing kit ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 296 Space C/H On/OFF output Space cooling/heating On/OFF output SWB1 Switch box (4) Option PCBs (4) Option PCBs Only for demand PCB option Only for demand PCB option ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 297 Only for wireless On/OFF thermostat Only for wireless On/OFF thermostat (6) Backup heater power supply (6) Backup heater power supply Only for *** Only for *** SWB2 Switch box ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 298 Power limitation A8P: X801M: 4-5 user interface communication demand input 4 signal 2 core 2x0.75 Only for LAN adapter A13P: P1-P2 user interface communication 4D132247 D ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 299 ) ≤ PMS = °C kWh/24h pH O = PMW = a Modelname b Manufacturing number c Manufacturing date d Empty weight e Total filled weight ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 300 Total refrigerant charge (for information, see installation instructions for the outdoor heat pump unit) t Attention: Flammable refrigerant u Further information on the refrigerant: See instructions v Part number w Revision ERLA11~16D + EBSH/X(B)11+16P30+50DG Installer reference guide Daikin Altherma 3 R ECH₂O 4P759879-1A – 2025.03...
Page 301 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 302 1/13 Field settings table Applicable indoor units EBSH11P30D▲▼ EBSHB11P30D▲▼ EBSH11P50D▲▼ EBSHB11P50D▲▼ EBSH16P30D▲▼ EBSHB16P30D▲▼ EBSH16P50D▲▼ EBSHB16P50D▲▼ EBSX11P30D▲▼ EBSXB11P30D▲▼ EBSX11P50D▲▼ EBSXB11P50D▲▼ EBSX16P30D▲▼ EBSXB16P30D▲▼ EBSX16P50D▲▼ EBSXB16P50D▲▼ Notes (*1) 300 Tank (*2) 500 Tank (*3) *X* (*4) *H* (*5) *B* (*6) EKECBUA3V (*7) EKECBUA6V (*8) EKECBUA9W (*9) BUH less (*10) 11P...
Page 303 2/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Room └─ Antifrost 1.4.1 [2-06] Activation 0: Disabled 1: Enabled 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 8°C └─...
Page 304 3/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Modulation 2.C.1 [8-05] Modulation 0: No 1: Yes 2.C.2 [8-06] Max modulation 0~10°C, step: 1°C 5°C └─ Shut off valve 2.D.1 [F-0B] During thermo...
Page 305 4/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-0D] Pump speed limitation 0~8, step:1 0: No limitation 1~4: 90~60% pump speed 5~8: 90~60% pump speed during sampling 6 80% pump speed during sampling Space heating / cooling...
Page 306 5/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.3.3 [E-05] Domestic hot water HPSU 'Integrated' [E-06] [E-07] 9.1.3.4 [4-06] Emergency 0: Manual 1: Automatic 2: Auto red SH/ DHW ON 3: Auto red SH/ DHW OFF 4: Auto normal SH/ DHW OFF 9.1.3.5...
Page 307 6/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.9 [0-01] Leaving water value for low ambient temp. for LWT add zone heating WD curve. [9-05]~[9-06]°C, step: 1°C [2-0C]=0: 40°C [2-0C]=1:...
Page 308 7/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.6.1 [5-02] Space heating priority 0: Disabled 1: Enabled 9.6.2 [5-03] Priority temperature -15~35°C, step: 1°C 0°C 9.6.3 [5-04] Offset BSH setpoint 0~20°C, step: 1°C...
Page 309 8/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.B.3 [1-0A] Averaging time 0: No averaging 1: 12 hours 2: 24 hours 3: 48 hours 4: 72 hours └─...
Page 310 9/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [1-09] Leaving water value for high ambient temp. for LWT main zone cooling WD curve. [9-03]~[9-02]°C, step: 1°C [2-0C]=0: 18°C [2-0C]=1:...
Page 311 10/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-04] Water pipe freeze prevention 0: Continuous pump operation 1: Non continuous pump operation (*5) 2: OFF (if not *5) [4-05] [4-06] Emergency...
Page 312 11/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [7-05] Boiler efficiency 0: Very high 1: High 2: Medium 3: Low 4: Very low [7-06] Compressor forced OFF 0: Disabled 1: Enabled [7-07]...
Page 313 12/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [C-02] Is an external backup heat source connected? 0 none 1 bivalent through header 2 tank DHW bivalent (*5) 3 tank heating + DHW bivalent [C-03] Bivalent activation temperature.
Page 314 13/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [E-07] What kind of DHW tank is installed? 0 OSO tank 150/180 1 FS with BUH 2 FS with BSH 3 OSO tank 200/250/300 4 Rotex without BSH (HYB) 5 Rotex with BSH...
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Daikin Altherma 3 R ECH2O ERLA11D V3 Series Installer's Reference Manual

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