Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Daikin Altherma 4 H F
Summary of Contents for Daikin Altherma 4 H F
- Page 1 User reference guide Daikin Altherma 4 H F+W EPVX10S(U)18A▲4V▼ EPBX10A▲4V▼ EPVX10S(U)23A▲4V▼ EPBX10A▲9W▼ EPVX10S18A▲9W▼ EPBX14A▲4V▼ EPVX10S23A▲9W▼ EPBX14A▲9W▼ EPVX14S(U)18A▲4V▼ EPVX14S(U)23A▲4V▼ ▲= 1, 2, 3, …, 9, A, B, C, …, Z ▼= , , 1, 2, 3, …, 9 EPVX14S18A▲9W▼ EPVX14S23A▲9W▼...
-
Page 2: Table Of Contents
To change the Display brightness ....................... 5.8.4 To change the Keyboard lay-out ......................5.8.5 Using quiet mode............................5.8.6 Using holiday mode ............................5.8.7 Using WLAN ..............................User reference guide EPVX10+14S(U)18+23A + EPBX10~14A Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 3 9 Relocation Overview: Relocation ..............................10 Disposal 11 Glossary 12 Installer settings: Tables to be filled in by installer 12.1 Configuration wizard ..............................12.2 Settings menu................................. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 4: About This Document
Format: Paper (in the box of the indoor unit) ▪ User reference guide: Detailed step-by-step instructions and background information for basic and advanced usage Format: Digital files on https://www.daikin.eu. Use the search function find your model. ▪ Installation manual – Outdoor unit: Installation instructions Format: Paper (in the box of the outdoor unit) ▪... - Page 5 Translations of this document are generated by fully automated machine translation technology without human intervention. While reasonable efforts have been made to provide an accurate translation, Daikin Europe does not guarantee the accuracy of the translations and accepts no liability for possible errors in the translations.
-
Page 6: Meaning Of Warnings And Symbols
Symbols used on the unit: Symbol Explanation Before installation, read the installation and operation manual, and the wiring instruction sheet. Before performing maintenance and service tasks, read the service manual. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 7 Example: " 1–3 Figure title" means "Figure 3 in chapter 1". Indicates a table title or a reference to it. Example: " 1–3 Table title" means "Table 3 in chapter 1". EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 8: User Safety Instructions
By ensuring this product is disposed of correctly, you will help to prevent potential negative consequences for the environment and human health. For more information, contact your installer or local authority. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 9: Instructions For Safe Operation
Do NOT use cleaning materials or means to accelerate the defrosting process other than those recommended by the manufacturer. ▪ Be aware that the refrigerant inside the system is odourless. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 10 Do NOT use sprays containing any flammable gas inside or near the unit. This could trigger the gas leak detection and cause the outdoor unit fan to start rotating. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 11 Reason: In case of a breakdown, refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 12: About The System
Radiators, heat pump convectors, or fan coil units INFORMATION The indoor unit and the domestic hot water tank (if installed) can be separated or integrated depending on the indoor unit type. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 13: Quick Guide
Note: Tap on the Domestic hot water bar from the home screen to quickly access [4.1]. Tap the icon to turn Domestic hot water ON or OFF. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 14: To Change The Desired Room Temperature
Note: In case of weather dependent mode, LWT is not controlled by this setting. Adjust the desired leaving water temperature: Main zone Set leaving water temperature to… Confirm with the button. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 15: To Change The Tank Temperature Setpoint
Set temperature to… More information For more information, see also: ▪ "4.1 Turning operation ON or OFF" [ 13] ▪ "5.4 Domestic hot water control" [ 33] ▪ "5.5 Schedules" [ 39] EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 16: Operation
One or more fingers touch the screen and move a short distance in up or down direction. Drag horizontally Press and hold while moving in a horizontal direction. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 17: Menu Structure: Overview User Settings
[2.31] Leaving water shift heating mode ▪ [2.32] Leaving water shift cooling mode [3] Space heating/cooling ▪ [3.1] Operation range ▪ [3.2] Operation mode ▪ [3.4] Antifrost (Advanced user) EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 18 [9.5] Gas price (Advanced user) ▪ [9.13] Energy price considered (Advanced user) [11] Malfunctioning [12] Touch ▪ [12.1] Touch pointer ▪ [12.2] Sensor viewer ▪ [12.3] Draw tool EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 19: Possible Screens: Overview
Main zone This zone can be renamed in Zone name [1.21]) b1 Heat emitter type: Underfloor heating Heat pump convector Radiator Measured temperature (Main zone) EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 20 Measured tank temperature e Outdoor Shortcut to setting [5.2]. Outdoor unit e2 Quiet operation: Manual Scheduled e3 Quiet operation level: Quiet More quiet Most quiet Measured outdoor temperature EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 21 Tap the right arrow a second time to view the second main menu screen From the main menu screens, you can access the different setpoint screens and submenus. Main menu screen 1: EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 22 Connectivity Gives access to advanced settings. Shows the electricity consumption. Energy [10] Restriction: Only for the installer. Configuration wizard For setting the most important initial settings. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 23: Reading Out Information
[6.5] Operation modes Current operation mode Example: Defrost/oil return mode [6.6] About Contains: ▪ Version information about the system ▪ Serial numbers ▪ Model name ▪ Build info EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 24: Advanced User Permission
[1.17] Main zone > Enable zone. ▪ [2.15] Additional zone > Enable zone. Switch the zone OFF: Enable zone Result: When OFF, the zone screen area is greyed out. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 25: Space Heating/Cooling Control
Note: In all cases the antifrost can be activated via breadcrumb [3.4] (also for Leaving water or External room thermostat control). Note: In case of thermostat cable breakdown, room frost protection cannot be guaranteed. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 26: Setting The Operation Mode
Go to [3.2]: Space heating/cooling > Operation mode Note: Tap on the Spaces bar from the home screen for a quick access screen where the Operation mode can be selected. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 27: Cooling Only
Heating only Example: October, November, December, January, February and March. During warm season. Cooling only Example: June, July and August. In-between. Automatic Example: April, May and September. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 28: Determining Which Temperature Control You Are Using
Below equilibrium: Only allow backup heater operation when the heat pump experiences capacity shortage, and the outdoor temperature is below the equilibrium setpoint. Confirm with the button. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 29: Comfort Setpoint For Energy Buffering
Offset on the room temperature on the Human Comfort Interface in the main zone. Go to [1.38] Main zone > Thermostat sensor offset. Set the desired offset. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 30: To Set The Operation Range
The desired room temperature will return to its scheduled value whenever a scheduled action occurs. You can avoid scheduled behaviour by (temporarily) turning off scheduling. See "5.3.13 To enable scheduling" [ 32]. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 31: To Set The Room Hysteresis
Note: For more information on weather-dependent operation, see "5.6 Weather- dependent curve" [ 47]. You can set a temperature shift to the weather-dependent curve leaving water temperature as follows: EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 32: To Enable Scheduling
You can assign a custom name to each zone using the following settings: ▪ [1.21] Main zone > Zone name ▪ [2.21] Additional zone > Zone name EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 33: Domestic Hot Water Control
Note: Always make sure to use a value lower than [4.5] Reheat setpoint. By using these two triggers, the system efficiently balances energy consumption while ensuring a reliable supply of hot water when needed. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 34: Schedule And Reheat Mode
This ensures that a minimum amount of hot water is available at all times. "5.5.2 Schedule screen: Example" [ 43] for an example how to set up a schedule. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 35 In Reheat and Schedule and reheat mode, you can use the tank temperature setpoint screen to adjust the domestic hot water temperature. Go to [4.5]: Domestic hot water > Reheat setpoint. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 36: Scheduled Mode
Go to [4.7] Domestic hot water > Heat up mode. Set Heat up mode to Scheduled. 5.4.5 Single heat-up Single heat-up immediately starts heating up the DHW tank using one of the following two modes: EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 37 When powerful operation is active, the risk of space heating/cooling and capacity shortage comfort problems is significant. In case of frequent domestic hot water operation, frequent and long space heating/cooling interruptions will happen. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 38: Additional Heat Source For Dhw
Go to [4.17] Domestic hot water > Add. source DHW always on request Switch Add. source DHW always on request ON: Add. source DHW always on request EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 39: Schedules
Overview 19.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 19.0°C 21.0°C 19.0°C 21.0°C 19.0°C 21.0°C 00:00 06:00 12:00 18:00 00:00 Activate Confirm with the button. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 40 [1.35] Main zone > Cooling target baseline Note: In case of LWT scheduling, operation will be OFF when no temperature is scheduled. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 41 Remark: In case of LWT shift scheduling, there will be NO operation at times when no temperature is scheduled. Example: Day 1 Day 2 Day 7 Shift Shift Shift Shift Shift EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 42 "To set the space operation mode" [ 26]. cooling > Operation mode schedule Schedule (per month) for when to operate the unit in heating mode and when in cooling mode. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 43: Schedule Screen: Example
To program the schedule: overview Schedule 1 Overview 19.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 20.0°C 19.0°C 21.0°C 19.0°C 21.0°C 19.0°C 21.0°C 00:00 06:00 12:00 18:00 00:00 Activate EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 44 To clear the content of a time block in a schedule Go to the schedule you want to edit. Single heat-up schedule Schedule 1 Active Schedule 2 Schedule 3 EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 45 OR use the bar, by dragging the starting time point and ending time point. Tap the Next button. Set the desired temperature. Confirm with the button. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 46 Confirm with the button. To rename a schedule Go to the schedule you want to rename: Single heat-up schedule Schedule 1 Active Schedule 2 Schedule 3 EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 47: Weather-Dependent Curve
Because it reacts more quickly, it prevents high rises and drops of the indoor temperature and water temperature at tap points. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 48: Using Weather-Dependent Curves
When the maximum or minimum setpoint is reached, the curve flattens out. To define a weather-dependent curve Define the weather-dependent curve using two setpoints (b, c). Example: EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 49 ↑ ↑ Cold Cold ↑ ↑ ↑ ↑ Cold ↓ ↓ ↑ ↑ — — ↓ ↓ Cold ↑ ↑ ↓ ↓ ↓ ↓ ↓ ↓ EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 50: Energy Prices
Note: When no schedule is set for the electricity price, this price will be taken into account. INFORMATION Price value ranging from 0.00~5000 valuta/kWh (with 2 significant values). EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 51: To Set The Scheduled Electricity Baseline Price
To set the gas price in case of an incentive per kWh renewable energy Calculate the value for the gas price with the following formula: ▪ Actual gas price+(Incentive/kWh×0.9) EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 52: Other Functionalities
5.8.2 To set the Location and language You can change the location and language as follows: Go to [5.9] Settings > Location and language. Set the following: ▪ Country ▪ Language EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 53: To Change The Display Brightness
If you want to… Then… Completely deactivate Tap Off. quiet mode Confirm with the button. Result: The unit never runs in quiet mode. The user cannot change this. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 54 ▪ More quiet ▪ Most quiet Confirm with the button. Result: The unit always runs in the selected quiet mode level. The user cannot change this. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
- Page 55 See below. Possible outcomes when quiet mode is set to Scheduled If... Then quiet mode =... Restrictions (time + level) Schedule programmed? defined? Follows schedule EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 56: Using Holiday Mode
Typical workflow Using holiday mode typically consists of the following stages: Activating the holiday mode. Setting the starting date and ending date of your holiday. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 57: Using Wlan
See: http://www.onlinecontroller.daikineurope.com/ Configuration To configure the ONECTA app, follow the in-app instructions. While doing this, the following actions and information are needed on the user interface: EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 58 You can only use this function if it is supported by the software version of the WLAN, and the software version of the ONECTA app. Go to [8.3.4]: Wireless gateway > WPS. Switch WPS ON: EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 59: Emergency Operation
Full take-over occurs, then there is … by the electrical heater Manual No take-over: After manual acknowledgment ▪ Space heating = OFF ▪ DHW operation = OFF EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 60 Automatic, the following functions will remain active even if the user does NOT acknowledge emergency operation: ▪ Room frost protection ▪ Underfloor heating screed dryout ▪ Water pipe freeze prevention ▪ Disinfection EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 61: Energy Saving Tips
Program to turn ON the domestic hot water pump ONLY during periods of the day when instant hot water is necessary. Example: In the morning and evening. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 62: Maintenance And Service
Any repair and service work that would relate to refrigerant needs to be done by a Daikin certified technician. WARNING NEVER directly touch any accidental leaking refrigerant. This could result in severe wounds caused by frostbite. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 63: Troubleshooting
Always check the malfunction history while troubleshooting. Conditions: The user permission level is set to advanced end user. Go to [11]: Malfunction history. You see a list of the most recent malfunctions. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 64: Symptom: You Are Feeling Too Cold (Hot) In Your Living Room
Adjust the DHW tank temperature schedule. Example: Program additionally heat up the DHW tank to a somewhat lower value during the day. See "5.5.2 Schedule screen: Example" [ 43]. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 65: Symptom: Heat Pump Failure
Delta T heating ([1.14] / [2.14]) value. hydraulic balancing sufficient, it is recommended to increase the Delta T cooling ([1.18] / [2.17]) value. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 66 Reason: In case of a breakdown, refrigerant might leak into the water circuit, and subsequently into the room when you purge air from the heat emitters or collectors. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03...
-
Page 67: Relocation
9 Relocation 9.1 Overview: Relocation If you want to relocate parts of your system, contact your installer. You can find the contact/helpdesk number via the user interface. EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 68: Disposal
Disposal 10 Disposal When you want to dispose of the unit, do NOT do it yourself but contact a Daikin certified technician. NOTICE Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. -
Page 69: 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 70: Installer Settings: Tables To Be Filled In By Installer
Emitter type [1.11] Control [1.12] [10.10] Main zone 2/4 Heating setpoint mode [1.5] Cooling setpoint mode [1.7] [10.11] Main zone 3/4 (Heating WD curve) [1.8] Outside temperature EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... -
Page 71: Settings Menu
Hysteresis [4.12] 12.2 Settings menu Setting Fill in… Main zone Ext thermostat type [1.13] Additional zone (if applicable) Ext thermostat type [2.13] Information Dealer information [6.2] EPVX10+14S(U)18+23A + EPBX10~14A User reference guide Daikin Altherma 4 H F+W 4P773381-1 – 2025.03... - Page 72 4P773381-1 2025.03...
Need help?
Do you have a question about the Altherma 4 H F and is the answer not in the manual?
Questions and answers