Page 1 Installer reference guide Daikin Altherma 3 R ECH₂O https://daikintechnicaldatahub.eu ERGA04EAV3 EHSH04P30EF EHSX04P30EF ERGA06EAV3H EHSHB04P30EF EHSXB04P30EF ERGA08EAV3H EHSH08P30EF EHSX04P50EF ERGA04EAV3A EHSHB08P30EF EHSXB04P50EF ERGA06EAV3A EHSH08P50EF EHSX08P30EF ERGA08EAV3A EHSHB08P50EF EHSXB08P30EF EHSX08P50EF ERGA04EAV37 EHSXB08P50EF...
Page 2: Table Of Contents
6.6.3 Power limitation process..........................62 6.6.4 BBR16 power limitation..........................62 Setting up an external temperature sensor ........................63 7 Unit installation Preparing the installation site............................65 Installer reference guide ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 3 About preferential kWh rate power supply....................116 9.1.5 Overview of electrical connections except external actuators ..............117 Connections to the outdoor unit............................ 118 9.2.1 Specifications of standard wiring components....................118 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 4 Actuator test run ............................248 12.4.5 Underfloor heating screed dryout ......................... 249 12.4.6 To set up bivalent heat sources ........................252 13 Hand-over to the user Installer reference guide ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 5 17.4 Wiring diagram: Indoor unit ............................278 17.5 ESP curve: Indoor unit..............................284 17.6 Name plate: Indoor unit ..............................284 18 Glossary 19 Field settings table ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 6: About This Document
The original documentation is written in English. All other languages are translations. Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).
Page 7: Meaning Of Warnings And Symbols
Indicates a situation that could result in death or serious injury. WARNING: FLAMMABLE MATERIAL CAUTION Indicates a situation that could result in minor or moderate injury. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 8: Installer Reference Guide At A Glance
Piping installation What to do and know to install the piping of the system, including information on how to prepare for an installation ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 10: General Safety Precautions
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. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
Page 11: Installation Site
Use a separate recovery system so that the unit's compressor does NOT have to operate. WARNING During tests, NEVER pressurise the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 12 Charge the liquid refrigerant as follows: Then A siphon tube is present Charge with the cylinder upright. (i.e., the cylinder is marked with "Liquid filling siphon attached") ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 13: Water
If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 14 Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will damage the head and make proper tightening impossible. ▪ Over-tightening the terminal screws may break them. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 16: Specific Installer Safety Instructions
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 17 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. Opening and closing the units (see "7.2 Opening and closing the...
Page 18 The discharge pipes from the pressure relief valves MUST terminate in a safe and visible position without forming any risk to persons in the vicinity. Electrical installation (see "9 Electrical installation" [ 114]) DANGER: RISK OF ELECTROCUTION ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 19 Do NOT push or place redundant cable length into the unit. CAUTION To guarantee the unit is completely earthed, ALWAYS connect the backup heater power supply and the earth cable. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 20 If the internal wiring is damaged, it has to be replaced by the manufacturer, its service agent or similarly qualified persons. Troubleshooting (see "15 Troubleshooting" [ 257]) DANGER: RISK OF ELECTROCUTION ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 21 If yes, make sure that the room where you want to purge air is sufficiently ventilated. Reason: Refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 22: About The Box
1 Handle the unit using the sling to the left and the handle to the right. Pull up both sides of the sling at the same time to prevent disconnection of the sling from the unit. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 23: To Remove The Accessories From The Outdoor Unit
1× 1× 1× 2× 1× ENERG ENERG a Outdoor unit installation manual b Fluorinated greenhouse gases label c Multilingual fluorinated greenhouse gases label d Energy label ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 24: Indoor Unit
4.2.2 To remove the accessories from the indoor unit 2× 3× 1× 1× 2× 2× 1× 1× 1× 1× 1× 1 × 20× 1× 1× 2× 1× 1× 3× 1× 1× 1× ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 25: To Handle The Indoor Unit
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 26: About The Units And Options
Example: ER G A 08 EA V3 H 7 Code Explanation European split outdoor pair heat pump Medium water temperature – ambient zone (see operation range) Refrigerant R32 Capacity class Model series Power supply ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 27: Identification Label: Indoor Unit
Capacity class Integrated tank material: Plastics Integrated tank volume Model series 5.3 Combining units and options INFORMATION Certain options may NOT be available in your country. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 28: Possible Combinations Of Indoor Unit And Outdoor Unit
Multi-zoning wired controls You can connect the following multi-zoning wired controls: ▪ Multi-zoning base unit 230 V (EKWUFHTA1V3) ▪ Digital thermostat 230 V (EKWCTRDI1V3) ▪ Analogue thermostat 230 V (EKWCTRAN1V3) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 29 The PC cable makes a connection between the switch box of the indoor unit and a PC. It gives the possibility to update the software of the indoor unit. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 30 ▪ The Human Comfort Interface (HCI) used as room thermostat needs to be installed in the room that you want to control. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 31 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 32: Application Guidelines
▪ Setting up the storage tank ▪ Setting up the energy metering ▪ Setting up the power consumption control ▪ Setting up an external temperature sensor ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 33: Setting Up The Space Heating/Cooling System
Emergency [9.5.1] to Automatic. NOTICE An overpressure bypass valve can be integrated in the system. Keep in mind that this valve might not be shown on the illustrations. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 34: Single Room
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 35 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 36 ON/ ▪ #: [2.A] OFF condition. No separation between ▪ Code: [C-05] heating or cooling demand. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 37 (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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 38: Multiple Rooms - One Lwt Zone
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 39 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 40 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 41 ▪ Code: [C-07] Number of water temperature zones: 0 (Single zone): Main ▪ #: [4.4] ▪ Code: [7-02] Benefits Compared with heat pump convectors for one room: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 42 INFORMATION To increase comfort and performance, we recommend to install the valve kit option EKVKHPC on each heat pump convector. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 43: Multiple Rooms - Two Lwt Zones
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: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 44 C Room 2 D Main leaving water temperature zone E Room 3 a Heat pump convectors (+ controllers) b Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 45 (X12M/19 and X12M/22). The indoor unit will only supply the desired additional leaving water temperature when there is an actual demand. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 46 If the main zone must be shut off during cooling mode to prevent condensation on the floor, set it accordingly. "Bizone kit" [ 234] for more information on configuration of the bizone kit. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 47: Setting Up Bivalent Heat Sources
OR ▪ external room thermostat control. ▪ Space heating can be done by: The indoor unit An auxiliary boiler (field supply) connected to the system ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 48 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 49 K1A Auxiliary relay for activation of indoor unit (field supply) K2A Auxiliary relay for activation of boiler (field supply) Indoor Indoor unit Auto Automatic Boiler Boiler ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 50: Setting Up An Indirect Auxiliary Heat Source For Domestic Hot Water And Space Heating
1 Integrate the auxiliary boiler as follows: A Main leaving water temperature zone B One single room a Dedicated Human Comfort Interface (BRC1HHDA used as room thermostat) b Auxiliary boiler (field supply) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 51: Setting Up A Solar System Via Drainback Connection
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 storage tank does NOT exceed 95°C. To do so: Set the desired water temperature via the auxiliary boiler controller to maximum 95°C.
Page 52: Setting Up A Solar System Via Bivalent Heat Exchanger
For systems without indirect auxiliary boiler connected to the storage tank, it is mandatory to install an electric backup heater to ensure safe operation for all conditions. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 53: Setting Up The Storage Tank
Example: If the DHW consumption of a family (4 persons) per day is as follows: ▪ 3 showers ▪ 1 bath ▪ 3 sink volumes Then the DHW consumption = (3×100 l)+(1×150 l)+(3×10 l)=480 l ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 54: Setup And Configuration - Storage Tank
Bivalent heat source, see "6.3 Setting up bivalent heat sources" [ 47] ▪ For more information about optimizing the energy consumption for producing domestic hot water, see "11 Configuration" [ 149]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 55: Dhw Pump For Instant Hot Water
The DHW pump is field-supplied and its installation is the responsibility of the installer. For the electrical wiring, see "9.3.7 To connect the domestic hot water pump" [ 133]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 56: Setting Up The Energy Metering
The flow rate ▪ Setup and configuration: No additional equipment needed. 6.5.2 Consumed energy You can use the following methods to determine the consumed energy: ▪ Calculating ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 57: Normal Kwh Rate Power Supply
*3V or *6V connected to a single-phase grid) ▪ Three-phase outdoor unit Three-phase ▪ Backup heater supplied from a three- (*9W: 3N~ 400 V) phase grid (i.e. the backup heater model is *9W) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 58: Preferential Kwh Rate Power Supply
Power meter 2: Measures the rest (i.e. indoor unit and backup heater). Setup ▪ Connect power meter 1 to X15M/5 and X15M/6. ▪ Connect power meter 2 to X15M/9 and X15M/10. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 59: Setting Up The Power Consumption Control
Allows you to limit the power consumption of the entire heat pump system (sum of indoor unit and backup heater) via 4 digital inputs. ▪ Limitation of power in kW or current in A. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 60: Permanent Power Limitation
"Power consumption control" [ 221]): Select continuous limitation mode Select the type of limitation (power in kW or current in A) Set the desired power limitation level ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 61: Power Limitation Activated By Digital Inputs
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 62: Power Limitation Process
(BBR16 activation and BBR16 power limit). After 2 weeks, the unit freezes these settings. Note: This is different from the permanent power limitation, which is always changeable. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 63: Setting Up An External Temperature Sensor
Setup: For installation instructions, see the installation manual of the remote indoor sensor, and the addendum book for optional equipment. ▪ Configuration: Select room sensor [9.B]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 64 To protect the outdoor unit, the internal sensor of the outdoor unit is always used. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 65: Unit Installation
Also read the following requirements: ▪ General installation site requirements. See the "General safety precautions" chapter. ▪ Refrigerant piping requirements (length, height difference). See further in this "Preparation" chapter. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 66 It is recommended to install a baffle plate when the air outlet is exposed to wind. It is recommended to install the outdoor unit with the air inlet facing the wall and NOT directly exposed to the wind. a Baffle plate ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 67 Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only, and for the following ambient temperatures: Cooling mode 10~43°C Heating mode –25~25°C ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 68: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
NOT affect the unit. If lateral snowfall is possible, make sure that the heat exchanger coil is NOT affected by the snow. If necessary, install a snow cover or shed and a pedestal. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 69: Installation Site Requirements Of The Indoor Unit
≥100 ≥500 a ≥100 a+b ≥600 b ≥300 INFORMATION Serviceability may be impacted, if the indicated clearances cannot be maintained. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 70: Special Requirements For R32 Units
Joints made in installation between parts of 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 and are executed ONLY by authorised persons. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O...
Page 71 Unit installation NOTICE ▪ Protect pipework from physical damage. ▪ Keep the pipework installation to a minimum. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 72: Installation Patterns
Top opening for natural ventilation PATTERN 1 For PATTERN 1 you only need to comply with the spacing guidelines described in "7.1.3 Installation site requirements of the indoor unit" [ 69]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 73 ▪ Must be a permanent opening that cannot be closed. nv-min ▪ Must be ≥50% of A (minimum bottom opening area). nv-min ▪ Must be ≥1.5 m from the floor. (≥A nv-min ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 74 0.829 0.907 0.970 1.028 1.084 1.137 1.187 1.236 1.283 1.328 1.371 1.413 1.454 1.494 1.533 1.571 1.608 1.644 1.679 1.714 1.748 1.781 1.814 1.846 1.877 1.909 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 75 For intermediate dm values (i.e. when dm is between two dm values from the table), consider the value that corresponds to the higher dm value from the table. If dm=1.55 kg, consider the value that corresponds to "dm=1.6 kg". ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 76 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 77: Opening And Closing The Units
DANGER: RISK OF BURNING/SCALDING "8.2.8 To connect the refrigerant piping to the outdoor unit" [ 96] and "9.2.2 To connect the electrical wiring to the outdoor unit" [ 118]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 78: To Close The Outdoor Unit
NOTICE Do NOT damage or remove the foam sealing of the switch box. 3 Disconnect the ground connection from the top cover of the switch box. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 79: To Lower The Switch Box Of The Indoor Unit And Remove The Top Cover
Prerequisite: The user interface panel has been removed. 1 Loosen the screws. 2 Lift up the switch box. 2× 3 Lower the switch box. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 80 5 If necessary, remove the top cover. This is necessary in the following cases: ▪ Connecting water piping ▪ Connecting BIV or DB-kit ▪ Connecting backup heater ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 81: To Close The Indoor Unit
In any case, provide at least 300 mm of free space below the unit. Additionally, make sure the unit is positioned at least 100 mm above the maximum expected level of snow. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 82 Maximum snowfall height Option 2: On plastic mounting feet In this case, you can use the bolts, nuts, washers and spring washers delivered with the unit as accessories. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 83 EKFT008D option kit Option 4: On brackets to the wall with the EKFT008D option kit The EKFT008D option kit is recommended in areas with heavy snowfall. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 84: To Install The Outdoor Unit
Do NOT remove the protective cardboard before the unit is installed properly. 1 Lift the outdoor unit as described in "4.1.2 To handle the outdoor unit" [ 22]. 2 Install the outdoor unit as follows: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 85: To Provide Drainage
If you install the unit on a frame, install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent water from getting into the unit and to avoid drain water dripping (see the following figure). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 86 Non-heated drain tube. When using the drain pan heater without drain tube or with a non-heated drain tube, remove the drain hole insulation (Item c on the illustration). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 87: To Prevent The Outdoor Unit From Falling Over
3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint (field supply). 4 Attach the ends of the cables. 5 Tighten the cables. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 88: Mounting The Indoor Unit
Spillover water from the water storage tank as well as water collecting in the drain pan must be drained. You must connect the drain hoses to an appropriate drain according to the applicable legislation. 1 Open the screw plug. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 89 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 90 Unit installation a Pressure relief valve ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 91: Piping Installation
▪ Flare connections: Only use annealed material. ▪ Piping diameter: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 92: Refrigerant Piping Insulation
Connecting the refrigerant piping to the indoor unit ▪ Insulating the refrigerant piping ▪ Keeping in mind the guidelines for: Pipe bending Flaring pipe ends Brazing Using the stop valves ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 93: Precautions When Connecting The Refrigerant Piping
8.2.3 Guidelines when connecting the refrigerant piping Take the following guidelines into account when connecting pipes: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 94: Pipe Bending Guidelines
3 Remove the flare nut from the stop valve and put the flare nut on the pipe. 4 Flare the pipe. Set exactly at the position as shown in the following figure. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 95: To Braze The Pipe End
ALWAYS protect the surrounding surfaces (e.g. insulation foam) from heat when brazing. 8.2.7 Using the stop valve and service port To open/close the stop valve 1 Remove the stop valve cover. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 96: To Connect The Refrigerant Piping To The Outdoor Unit
8.2.8 To connect the refrigerant piping to the outdoor unit 1 Connect the liquid refrigerant connection from the indoor unit to the liquid stop valve of the outdoor unit. 1× ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 97: To Connect The Refrigerant Piping To The Indoor Unit
8.3.1 About checking the refrigerant piping The outdoor unit's internal refrigerant piping has been factory tested for leaks. You only have to check the outdoor unit's external refrigerant piping. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 98: Precautions When Checking The Refrigerant Piping
Soap water may contain salt, which absorbs moisture that will freeze when the piping gets cold. ▪ Soap water contains ammonia which may lead to corrosion of flared joints (between the brass flare nut and the copper flare). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 99: To Perform Vacuum Drying
Make sure to open the stop valves after installing the refrigerant piping and performing vacuum drying. Running the system with the stop valves closed may break the compressor. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 100: Charging Refrigerant
Before completely recharging, perform vacuum drying on the outdoor unit's internal refrigerant piping as well. Typical workflow – Completely recharging refrigerant typically consists of the following stages: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 101: Precautions When Charging Refrigerant
2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. 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]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 102 3 bar (=0.3 MPa). Provide adequate safeguards in the water circuit to ensure that the maximum pressure is NOT exceeded. The minimum water pressure to operate is 1 bar (=0.1 MPa). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 103 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 104: To Check The Water Volume And Flow Rate
For EHSX*, check that the total water volume in the installation is minimum 10 litres. INFORMATION In critical processes, or in rooms with a high heat load, extra water might be required. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 105: Connecting Water Piping
244]. 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 106: Precautions When Connecting The Water Piping
ONLY remove parts in the order and direction as indicated here, ▪ do NOT use force, ▪ do NOT use tools, ▪ re-install the thermal insulation in reverse order. 1× ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 107 6 Support the water piping. For rearward facing connections: Support hydraulic lines suitably according to the spatial conditions. This is valid for all water pipes. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 108 A pressure relief valve (field supply) with an opening pressure of maximum 10 bar (=1 MPa) must be installed on the domestic cold water inlet connection in accordance with the applicable legislation. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 109: To Connect A Pressure Vessel
1 Connect a hose with a non-return valve (1/2") and an external manometer (field supply) to a water tap and the fill and drain valve. Secure the hose against slipping off. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 110 8 Close the fill and drain valve and remove the hose with non-return valve only after air purging is performed and the system is completely filled. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 111: To Fill The Heat Exchanger Inside The Storage Tank
1 Connect a hose with non-return valve (1/2") to the drainback connection. 2 Fill the storage tank until water spills from the spillover connection. 3 Remove the hose. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 112: To Insulate The Water Piping
8.6.8 To insulate the water piping The piping in the complete water circuit MUST be insulated to prevent condensation during cooling operation and reduction of the heating and cooling capacity. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 113 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 114: Electrical Installation
▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 115: Guidelines When Connecting The Electrical Wiring
Stranded conductor wire b Round crimp-style terminal ▪ Use the following methods for installing wires: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 116: About Electrical Compliance
Electricity companies throughout the world work hard to provide reliable electric service at competitive prices and are often authorised to bill clients at benefit rates. E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and Austria, ... ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 117: Overview Of Electrical Connections Except External Actuators
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 118: Connections To The Outdoor Unit
MCA=Minimum circuit ampacity. Stated values are maximum values (see electrical data of combination with indoor units for exact values). 9.2.2 To connect the electrical wiring to the outdoor unit 1 Remove the switch box cover. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 119 4 Connect the interconnection cable and power supply as follows. Ensure stress relief by using the wire clamp. 1N~ 50 Hz 220-240 V a Interconnection cable b Power supply cable c Fuse d Earth leakage circuit breaker ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 120: Connections To The Indoor Unit
"9.3.7 To connect the domestic hot water pump" [ 133]. Alarm output "9.3.8 To connect the alarm output" [ 134]. Space cooling/heating "9.3.9 To connect the space cooling/heating ON/ operation control output" [ 135]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 121 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 122 Addendum book for optional equipment Wired room thermostat ▪ Installation manual of the wired room without multi-zoning base unit thermostat ▪ Addendum book for optional equipment ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 123: To Connect The Electrical Wiring To The Indoor Unit
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 124 Electrical installation All cables which will be connected to the switch box of the ECH O must be fixed by strain relief. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 125: To Connect The Main Power Supply
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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 126 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 127: To Connect The Backup Heater Power Supply
[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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 128 Z less than or equal to Z Connect the backup heater power supply as follows: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 129 1N~, 50 Hz 230 V AC Model (power supply) Connections to backup heater power supply *3V (3V: 1N~ 230 V) SWB2 Q1DI 1N~, 50 Hz 230 V AC ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 130: To Connect The Backup Heater To The Main Unit
[9.3] Backup heater 1 Open the following (see "7.2.4 To open the indoor unit" [ 78]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 131: To Connect The Shut-Off Valve
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 132: To Connect The Electricity Meters
2 Switch box 3 Switch box cover 4 Top cover 2 Connect the electricity meters cable to the appropriate terminals as shown in the illustration below. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 133: To Connect The Domestic Hot Water Pump
2 Switch box 3 Switch box cover 4 Top cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illustration below. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 134: To Connect The Alarm Output
2 Switch box 3 Switch box cover 4 Top cover 2 Connect the alarm output cable to the appropriate terminals as shown in the illustration below. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 135: To Connect The Space Cooling/Heating On/Off Output
2 Switch box 3 Switch box cover 4 Top cover 2 Connect the space cooling/heating ON/OFF output cable to the appropriate terminals as shown in the illustration below. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 136: To Connect The Changeover To External Heat Source
3 Switch box cover 4 Top cover 2 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 137: To Connect The Power Consumption Digital Inputs
"7.2.4 To open the indoor unit" [ 78]): 1 User interface panel 2 Switch box 3 Switch box cover 4 Top cover 2 Install the switch box metal insert. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 138 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" [ 123]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 139: To Connect The Safety Thermostat (Normally Closed Contact)
X 5M 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" [ 123]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 140: To Connect A Smart Grid
([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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 141 2 Fix the cables with cable ties to the cable tie mountings. In case of high voltage Smart Grid contacts Wires (Smart Grid pulse meter): 0.5 mm² Wires (high voltage Smart Grid contacts): 1 mm² ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 142 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 143 Electrical installation 3 Install the components of the Smart Grid relay kit as follows: 2× 2× ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 144 X15M.5 X15M.6 4 Connect the low voltage wiring as follows: 9 10 X 5M.10 X 5M X 5M.9 5 Connect the high voltage wiring as follows: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 145: To Connect The Wlan Cartridge
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 146: To Connect The Solar Input
123]. 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" [ 78]): ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 147 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" [ 123]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 148: Finishing The Outdoor Unit Installation
Gas pipe insulation c Interconnection cable d Field wiring (if applicable) e Liquid pipe f Liquid pipe insulation g Finishing tape 2 Install the service cover. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 149: Configuration
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 150: To Access The Most Used Commands
Confirm the pin code and proceed. Installer pin code The Installer pin code is 5678. Additional menu items and installer settings are now available. Installer 5678 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 151 4 Turn the left dial to select the second part of the setting 01 15 5 Turn the right dial to modify the value from 15 to 20. 01 20 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 152: To Connect The Pc Cable To The Switch Box
You can find a short overview of the settings in the configuration here. All the settings can also be adjusted in the settings menu (use the breadcrumbs). For the setting… Refer to… Language [7.1] Time/date [7.2] ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 153 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] Additional zone (only if [4.4]=1) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 154: Possible Screens
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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 155: Home Screen
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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 156 Installed heat emitter type: Underfloor heating Fancoil unit Radiator Leaving water temperature setpoint ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 157: Main Menu Screen
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 158: Menu Screen
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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 159: Detailed Screen With Values
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 160: Schedule Screen: Example
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 161 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 162 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 163 The schedule name can contain up to 15 characters. 5 Confirm the new name. INFORMATION Not all schedules can be renamed. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 164: Weather-Dependent Curve
See "11.4.4 Using weather-dependent curves" [ 167]. 11.4.2 2-points curve Define the weather-dependent curve with these two setpoints: ▪ Setpoint (X1, Y2) ▪ Setpoint (X2, Y1) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 165: Slope-Offset Curve
Examples Weather-dependent curve when slope is selected: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 166 The icon corresponds to the heat emitter for that zone: ▪ : Underfloor heating ▪ : Fan coil unit ▪ : Radiator ▪ : Storage tank ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 167: Using Weather-Dependent Curves
Zone Go to … Main zone – Heating [2.5] Main zone > Heating WD curve Main zone – Cooling [2.6] Main zone > Cooling WD curve ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 168 — ↑ Cold Cold ↑ ↑ ↑ ↑ Cold ↓ ↑ ↓ ↑ — ↓ — ↓ Cold ↑ ↓ ↑ ↓ ↓ ↓ ↓ ↓ ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 169: Settings Menu
▪ No: Room temperature is directly controlled by the user. ▪ Yes: Room temperature is controlled by a schedule and can be modified by the user. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 170 Antifrost function via the backup heater. If the backup heater is not allowed for room frost protection during a U4 error, the room Antifrost setting MUST be disabled. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 171 Space heating/cooling=On, and Room frost protection is guaranteed by the normal logic. ▪ The external room thermostat is "Thermo ON" In case of 2 leaving water temperature zones: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 172 NOTICE When adjusting the room temperature ranges, all desired room temperatures are also adjusted to guarantee they are between the limits. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 173: Main Zone
[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: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 174 Define a heating temperature schedule for the main zone via [2.2] Heating schedule. "11.3.7 Schedule screen: Example" [ 160]. Cooling schedule Define a cooling temperature schedule for the main zone via [2.3] Cooling schedule. "11.3.7 Schedule screen: Example" [ 160]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 175 10°C. Heating WD curve Set weather-dependent heating for the main zone (if [2.4]=1 or 2): ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 176 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): ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 177 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 178 Example underfloor heating: 40–5/2=37.5°C To compensate, you can: ▪ Increase the weather-dependent curve desired temperatures [2.5]. ▪ Enable leaving water temperature modulation and increase the maximum modulation [2.C]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 179 Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~70°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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 180 Leaving water temperature: Delta T In heating for the main zone, the target delta T (temperature difference) depends on the selected emitter type for the main zone. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 181 Additionally, also the desired leaving water temperature must be configured: if Modulation is enabled, the unit automatically calculates the desired leaving water temperature. These calculations are based on: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 182 1 leaving water temperature zone, connect the shut-off valve to the heating/cooling output. The shut off valve for the main leaving water temperature zone can close under these circumstances: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 183: Additional Zone
"11.4.2 2-points curve" [ 164] and "11.4.3 Slope-offset curve" [ 165]. Code Description [2.E] ▪ 2-points ▪ Slope-Offset 11.5.4 Additional zone Overview The following items are listed in the submenu: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 184 Example" [ 160]. Setpoint mode The setpoint mode of the additional zone can be independently set from the setpoint mode of the main zone. "Setpoint mode" [ 175]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 185 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): ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 186 Additional zone range [9‑05]~[9‑06] [1‑0C] 0: Underfloor Maximum 55°C Variable (see [3.B.1]) heating 1: Fancoil unit Maximum 55°C Variable (see [3.B.1]) 2: Radiator Maximum 70°C Fixed 10°C ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 187 (X12M/19) ▪ 2: 2 contacts. Connected to 2 digital inputs (X12M/20 and X12M/19) Leaving water temperature: Delta T For more information, see "11.5.3 Main zone" [ 173]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 188: Space Heating/Cooling
[4.9] Pump outside range [4.A] Increase around 0°C [4.B] Overshoot [4.C] Antifrost About space operation modes Your unit can be a heating or a heating/cooling model: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 189 To restrict automatic changeover according to a schedule Conditions: You set the space operation mode to Automatic. 1 Go to [4.2]: Space heating/cooling > Operation mode schedule. 2 Select a month. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 190 Besides the desired heating/cooling room temperature, the installer sets a hysteresis value (e.g. when in heating, this ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 191 INFORMATION Mixing station. If your system layout contains 2 LWT zones, you need to install a mixing station in front of the main LWT zone. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 192 ▪ Make sure you set the emitter types for the main zone [2.7] and for the additional zone [3.7] correctly in accordance with the connected emitter. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 193 Sample is ONLY available in leaving water temperature control. a Space heating/cooling control b Off c On d LWT temperature e Actual f Desired g Pump operation ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 194 Possible values: see below. [4.8.2] [9-0D] Restriction: Only displayed when the bizone kit (EKMIKPOA or EKMIKPHA) is installed. Pump limitation Additional zone Possible values: see below. Possible values: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 195 The maximum values depend on the unit type: [9-0D]=0 [9-0D]=1/5 a (kPa) a (kPa) b (l/min) b (l/min) [9-0D]=2/6 [9-0D]=3/7 a (kPa) a (kPa) b (l/min) b (l/min) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 196 0: No ▪ 1: increase 2°C, span 4°C ▪ 2: increase 4°C, span 4°C ▪ 3: increase 2°C, span 8°C ▪ 4: increase 4°C, span 8°C ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 197: Tank
If powerful operation is active, will be shown on the home screen. To activate powerful operation ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 198 The disinfection function settings MUST be configured by the installer according to the applicable legislation. Code Description [5.7.1] [2‑01] Activation: ▪ 0: No ▪ 1: Yes ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 199 Disinfection mode. Even if you turn OFF tank heating operation ([C.3]: Operation > Tank), disinfection mode will remain active. However, if you turn it OFF while disinfection is running, an AH error occurs. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 200 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 201 Maximum heat pump temperature at sensor in storage tank HP MAX Heat pump OFF temperature (T −[6-01]) HP OFF HP MAX Heat pump ON temperature (T −[6-00]) HP ON HP OFF ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 202: User Settings
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: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 203 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 204 For more information about scheduling, see "11.3.7 Schedule screen: Example" [ 160]. Usage example: Baby is sleeping in the afternoon If you are in the following situation: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 205 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). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 206 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 207: Information
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 208 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 [%]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 209: Installer Settings
[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: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 210 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 [E‑06] The backup heater will also be used for domestic hot water heating. [E‑07] ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 211 When measuring the resistance value of each heater, you can set the exact heater capacity and this will lead to more accurate energy data. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 212 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 213 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 214 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 215 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 216 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] ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 217 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) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 218 Emergency mode. In case emergency mode is active, buffering with electrical heater is NOT possible in Forced on and Recommended on operation modes. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 219 Therefore, always enable the auto restart function. ▪ 3 Smart grid: A Smart Grid is connected to the system ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 220 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). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 221 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: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 222 Note: In case power consumption control is DISABLED (for all models) the setting [4‑01] defines whether backup heater and booster heater can operate simultaneously, or if the booster heater/backup heater has priority over the backup heater/booster heater. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 223 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 224 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 225 NOTICE Direct (SH) operation is only possible if: ▪ Space heating is turned ON, and ▪ Tank operation is turned OFF. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 226 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 227 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 228 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 229 [9.G]: Disable protections=No. Code Description [9.G] Disable protections: ▪ 0: No ▪ 1: Yes Forced defrost Forced defrost Manually start a defrost operation. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 230 The intelligent tank manager functions allow for efficient and flexible usage of energy stored in the energy storage tank of the unit, both for domestic hot water generation and space heating. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 231 B! Boiler more efficient according to efficiency calculation for space heating B:on Boiler on B:OK Boiler on allowed Support Tank state: Support Preheat Tank state: Pre heating ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 232 Range: 0 kW~63 kW (step: 1 kW) The capacity should be limited to the capacity provided by the heat pump. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 233 [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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 234 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 235 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) ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 236: Commissioning
[C.2] Space heating/cooling Operation [C.3] Tank Malfunctioning Room To enable or disable functionalities In the operation menu, you can separately enable or disable functionalities of the unit. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 237: Wlan
(on the inside of the front panel). See: ▪ Installation manual of the WLAN module ▪ Addendum book for optional equipment Router Field supply. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 238 Code Description [D.5] Home network connection: ▪ Disconnected from [WLAN_SSID] ▪ Connected to [WLAN_SSID] Cloud connection: Read out the status of the connection to the cloud. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 239 Configuration Code Description [D.6] Cloud connection: ▪ Not connected ▪ Connected ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 240: Menu Structure: Overview User Settings
(**) Only accessible by installer (***) Only applicable when WLAN is installed INFORMATION Depending on the selected installer settings and unit type, settings will be visible/ invisible. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 241: Menu Structure: Overview Installer Settings
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 242: Commissioning
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 243: Precautions When Commissioning
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 244: Checklist During Commissioning
To check the minimum flow rate 1 Check the hydraulic configuration to find out which space — heating loops can be closed by mechanical, electronic, or other valves. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 245: Air Purge Function
If necessary, repeat performing the automatic air purge until you are sure that all air is removed from the system. During air purge function, pump speed limitation [9‑0D] is NOT applicable. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 246 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 247: Operation Test Run
"To change — the user permission level" [ 150]. 2 Go to [A.1]: Commissioning > Operation test run. 3 Select a test from the list. Example: Heating. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 248: Actuator Test Run
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. ▪ Backup heater 1 test ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 249: Underfloor Heating Screed Dryout
To program an underfloor heating screed dryout schedule Duration and temperature The installer can program up to 20 steps. For each step he needs to enter: ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 250 [2‑06] to "0", and KEEP it disabled until the screed dryout has finished. Ignoring this notice will result in cracking of the screed. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 251 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 252: To Set Up Bivalent Heat Sources
[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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 253: Hand-Over To The User
Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 254: Maintenance And Service
General maintenance/inspection checklist. Next to the maintenance instructions in this chapter, a general maintenance/inspection checklist is also available on the Daikin Business Portal (authentication required). The general maintenance/inspection checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during maintenance.
Page 255: Yearly Maintenance
Using an ohmmeter, check if contactors K1M, K2M, K3M and K5M (depending on your installation) operate correctly. All contacts of these contactors must be in open position when the power is turned OFF. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 256 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" [ 111]). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 257: Troubleshooting
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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 258: Solving Problems Based On Symptoms
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 259: Symptom: Hot Water Does Not Reach The Desired Temperature
Forced off contact. If Forced off contact is On, the unit is operating under the preferential kWh rate. Wait for the power to return (maximum 2 hours). ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 260: Symptom: The System Is Making Gurgling Noises After Commissioning
If yes, make sure that the room where you want to purge air is sufficiently ventilated. Reason: Refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 261: Symptom: The Pump Is Blocked
The expansion vessel is NOT broken. ▪ The valve (if equipped) of the water circuit towards the expansion vessel is open. ▪ The pre-pressure setting of the expansion vessel is correct. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 262: Symptom: The Pressure Relief Valve Opens
The water pressure Whether there is air in the system The air purge operation ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 263: Symptom: Tank Disinfection Function Is Not Completed Correctly (Ah-Error)
(disinfection function). The disinfection operation was stopped Do NOT stop tank operation during manually: [C.3] Operation > Tank was disinfection. turned off during disinfection. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 264: Solving Problems Based On Error Codes
Water flow problem. Pump deblocking active 7H-08 Pump abnormality during operation (pump feedback) 80-00 Returning water temperature sensor problem 81-00 Leaving water temperature sensor problem 81-01 Mixed water thermistor abnormality. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 265 E1-00 OU: PCB defect E2-00 Leakage current detection error E3-00 OU: Actuation of high pressure switch (HPS) E3-24 High pressure sensor abnormality E4-00 Abnormal suction pressure ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 266 Malfunction of refrigerant liquid thermistor JA-00 OU: Malfunction of high pressure sensor JC-00 Low pressure sensor abnormality JC-01 Evaporator pressure abnormality L1-00 Malfunction of INV PCB ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 267 Indoor unit [version_IU_modelname] compatibility error U8-11 Connection with the Wireless gateway lost UA-00 Indoor unit, outdoor unit matching problem UA-17 Tank type problem UA-59 HPSU/Hydro combination abnormality ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 268 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 269: Disposal
3 Start the pump down operation via the user interface integrated in the indoor unit: 1 Set the user permission level to Installer. See "To change — the user permission level" [ 150]. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 270: To Drain The Storage Tank
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 271 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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 272 1 Place an appropriate tray under the drain connection to collect water spillage. 2 Open the screw plug and remove the sealing plug and IMMEDIATELY close with the previously prepared screw plug with drain connection. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 273: To Drain The Storage Tank With A Connected Pressureless Solar System
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. ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 274: Technical Data
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 latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 17.1...
Page 275: Piping Diagram: Indoor Unit
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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 276: Wiring Diagram: Outdoor Unit
(3) Legend Connector Capacitor Rectifier bridge Connector Connector Connector Fuse T 6.3 A 250 V FU1, FU2 Fuse T 3.15 A 250 V Fuse T 30 A 250 V Connector IPM* Intelligent power module ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 277 Connector V3, V4, V401 Varistor Connector Terminal strip Electronic expansion valve Solenoid valve (4-way valve) Noise filter (ferrite core) Noise filter * Optional # Field supply ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 278: Wiring Diagram: Indoor Unit
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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 279 # 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 280 Alarm output Alarm output BUH option Backup heater option BUH option only for * Backup heater option only for * Bizone mixing kit Bizone mixing kit ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 281 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 282 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 283 Power limitation user interface A8P: X801M: 4-5 communication demand input 4 signal 2 core 2x0.75 Only for LAN adapter A13P: P1-P2 user interface communication 4D135453 B ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 284: Esp Curve: Indoor Unit
Max. operating pressure PMS (drinking water installation) m Nominal voltage U n Rated current of fuse o Protection type p Backup heater (optional) q Refrigerant circuit ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 285 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 ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF Installer reference guide Daikin Altherma 3 R ECH₂O 4P678716-1A – 2022.07...
Page 286: Glossary
Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.
Page 287: Field Settings Table
1/13 Field settings table Applicable indoor units EHSH04P30EF EHSHB04P30EF EHSX04P30EF EHSXB04P30EF EHSX04P50EF EHSXB04P50EF EHSH08P30EF EHSHB08P30EF EHSX08P30EF EHSXB08P30EF EHSH08P50EF EHSHB08P50EF EHSX08P50EF EHSXB08P50EF Notes (*1) 300 Tank* (*2) 500 Tank* (*3) *X* (*4) *H* (*5) *B* (*6) EKECBUA3V (*7) EKECBUA6V (*8) EKECBUA9W (*9) BUH less (*10) 04P (*11) 08P...
Page 288 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: No 1: Yes 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 12°C └─...
Page 289 3/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 2.D.2 [F-0C] During cooling 0: No 1: Yes Main zone WD curve type 0: 2-points 1: Slope-Offset Additional zone Setpoint mode 0: Fixed 1: WD heating, fixed cooling...
Page 290 4/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-04] Overshoot 1~4°C, step: 1°C 2°C [2-06] Antifrost 0: No 1: Yes Tank [6-0A] Comfort setpoint 30~[6-0E]°C, step: 1°C 60°C [6-0B] Eco setpoint...
Page 291 5/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.1.3.8 [C-02] Bivalent 0: Off 1: Direct (SH) 2: Indirect (DHW) (*3) 3: Indirect (DHW + SH) 9.2.4 [D-07] Solar 0: No...
Page 292 6/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value └─ Tank 9.1.B.1 [6-0D] Heat up mode 0: Reheat only 3 scheduled reheat 9.1.B.2 [6-0A] Comfort setpoint 30~[6-0E]°C, step: 1°C 60°C 9.1.B.3 [6-0B]...
Page 293 7/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.8.4 [D-01] Benefit kWh power supply 0: No 1: Open 2: Closed 3: Smart Grid 9.8.6 Allow electric heaters 0: No 1: Yes 9.8.7...
Page 294 8/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [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 295 9/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [2-05] Room antifrost temperature 4~16°C, step: 1°C 12°C [2-06] Room frost protection 0: No 1: Yes [2-09] Adjust the offset on the measured room temperature -5~5°C, step: 0,5°C 0°C [2-0A]...
Page 296 10/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [5-0B] What is the requested limit for DI3? 0~20 kW, step: 0,5 kW 20 kW [5-0C] What is the requested limit for DI4? 0~20 kW, step: 0,5 kW 20 kW [5-0D]...
Page 297 11/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [9-00] What is the maximum desired LWT for main zone in heating? R/W ([2- [2-0C]=2: 0C] ≠ 2) 37~60, step: 1°C R/O ([2- 65°C...
Page 298 12/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [D-08] Is an external kWh meter used for power measurement? 0: No 1: 0,1 pulse/kWh 2: 1 pulse/kWh 3: 10 pulse/kWh 4: 100 pulse/kWh 5: 1000 pulse/kWh...
Page 299 13/13 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.P.2 [E-0C] Bi-zone system type 0: Without hydraulic separator / no direct pump 1: With hydraulic separator / no direct pump 2: With hydraulic separator / with direct pump...
Page 300 4P678716-1 A 00000005 4P678716-1A 2022.07 Verantwortung für Energie und Umwelt...

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