User reference guide Daikin Altherma - Low Temperature Split EHBH04CA EHBH08CA EHBH16CA EHBX04CA EHBX08CA EHBX16CA EHVH04S18CA EHVH08S18CA EHVH08S26CA EHVH16S18CA EHVH16S26CA EHVX04S18CA EHVX08S18CA EHVX08S26CA EHVX16S18CA EHVX16S26CA User reference guide Daikin Altherma - Low Temperature Split English
Table of contents Table of contents 1 General safety precautions .............................. 1.1 2 1 General safety precautions 1.1 About the documentation About the documentation .......................................................... 1.1.1 Meaning of warnings and symbols ............................ For the user .............................................................................. 2 2 2 ▪ The original documentation is written in English. All other languages are translations.
2 About this document authorized installer and must comply with applicable legislation. Units must be treated at a specialized treatment facility for reuse, recycling and recovery. 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.
Operation Part f Description Domestic hot water control How to control domestic hot water: ▪ Reheat mode ▪ Scheduled mode ▪ Scheduled + reheat mode Advanced usage Information about: ▪ Quiet mode ▪ Holiday mode ▪ Reading out information ▪ Date, time, units of contrast and backlight Preset values and schedules measurement, OK ▪ Goes to the next step when you are programming a schedule in the menu structure. ▪ Confirms a selection. ▪ Enters a submenu in the menu structure.
4 Operation Icon If you turn ON… Description Then… Main (+ additional) leaving water Room temperature control is temperature control NOT automatically turned ON. Emergency operation is active. If you turn OFF… 4.3 Basic usage 4.3.1 Using home pages Then… Room temperature control Main (+ additional) leaving water temperature control is NOT automatically turned OFF. Main (+ additional) leaving water Room temperature control is temperature control automatically turned OFF.
4 Operation You can… Location Check which space operation mode is currently used. ▪ Room temperature Set the space operation mode. During cold season. Heating only Menu structure During warm season. Cooling only Example: June, July and August. In-between. 1 Press 2 Check if [4] Operation mode is listed. If so, a heating/cooling heat pump model is installed. Heating/Cooling Example: April, May and September. 4.4.3 Controlling the temperature to go to the menu structure.
4 Operation If… Then the temperature control is… Main zone Thermostat main A is listed under: Additional zone (if any) Else Only for room thermostat control: Go to the main leaving water temperature home page (LWT main) and check the following: Yes Then leaving water set point and room temperature set point are… NOT linked. You can set the leaving water set point on the home page. No You can… Location Read out the desired leaving water temperature. Leaving water temperature control.
4 Operation You can… Location Settings Adjust the temperature. Description 17:00 Comfort You are at home. Desired temperature = preset value (Comfort (heating)). Only change this if the desired room temperature cannot be reached. 19:00 21°C See also: "Using the leaving water temperature home pages (main + additional)" on page 9. You are at home and want it to be a little warmer. Desired temperature custom temperature.
4 Operation Situation Description Before you have changed the mode from scheduled to preset value, and now you temporarily overrule the preset value. Using the leaving water temperature home pages (main + additional) INFORMATION The leaving water is the water that is sent to the heat emitters. The desired leaving water temperature is set by your installer in accordance with the heat emitter type.
4 Operation 2 Press or Example: to adjust. Tt 45°C 47°C 60°C 50°C 40°C 1 2 4.5 Domestic hot water control 4.5.1 About domestic hot water control Depending on the DHW tank mode (installer setting), you use a different domestic hot water control: 4 3 5 15°C 00:00 07:00 14:00 t 21:00 ▪ Tt: DHW tank temperature ▪ t: Time ▪ Reheat mode INFORMATION ▪ Scheduled mode It is recommended NOT to use the selection of ([6‑0D]=0, [A.4.
4 Operation Tt 4.5.4 1 2 60°C 50°C 40°C In scheduled + reheat mode ( ), the domestic hot water control is the same as in scheduled mode. However, when the DHW tank temperature drops below a preset value (= Reheat; example: 45°C), the DHW tank heats up until it reaches the preset value. This ensures that a minimum amount of hot water is available at all times.
4 Operation To read out and adjust the desired reheat temperature (in reheat mode) 1 4.5.6 About the DHW tank booster mode Go to the DHW tank temperature home page (Tank). You can use the DHW tank booster mode to immediately start heating up the water to the preset value (Storage comfort). However, this consumes extra energy. Result: You can read out the desired reheat temperature. 2 Press or to adjust. Note: If the desired temperature is weather dependent, you cannot change it on the home page.
4 Operation To check if quiet mode is active 1 Press 2 If Situation Then… You stay at home during your holiday to go to one of the home pages. You have to select a day. ▪ Space heating/cooling will be according to the desired room temperature of the selected day. is displayed, quiet mode is active. To use quiet mode 1 Go to [3]: 2 Do one of the following: ▪ Domestic hot water control will be according to the desired DHW tank temperature of the selected day. > Quiet mode.
4 Operation To configure the holiday (when you go away) You do NOT have to change your schedule or holiday configuration (= easy). 1 Go to [2]: > January. 2 Select Away. 3 Configure the holiday mode settings (when you go away). Possible holiday mode settings (when you go away) Setting Description From and Until Advantage: First and last day of your holiday. 4.6.
4 Operation ▪ Child lock: Locks all buttons to prevent children from changing settings. Possible units of measurement settings Setting Possible units of measurement Decimal point ▪ Dot ▪ Comma Temperature Possible function locks ▪ °C Lock ▪ °F Produced energy ▪ kWh ▪ MBtu Flow ▪ Function lock: Locks a specific function to prevent people from changing its settings. ▪ l/min If active, people cannot… Room On/OFF Turn ON or OFF the room temperature control.
4 Operation Control Preset value Where used ▪ Room temperature home page ( and ) if user profile = Detailed Eco LWT main Comfort Main leaving water temperature schedules Eco Tank temperature Storage comfort DHW tank temperature schedule if DHW tank mode = Storage eco Control (Only for field Program when the domestic hot water pump is supplied turned ON and OFF.
4 Operation 7 Save the schedule and give it a name. Predefined 2 (cooling) Mon - Fri To program the schedule for Monday 1 Use 2 Press 3 Program the schedule for Monday: ▪ Use ▪ Use and 12:00 14:00 to select Monday. to select an entry. to change the value of an entry. 12:00 20:00 12:00 20:00 Predefined 3 (cooling) Mon - Sun To copy from one day to another 1 Select the day from which you want to copy and press Example: Monday.
4 Operation 4.7.6 Predefined schedules: DHW tank temperature a : Start production of domestic hot water. Desired DHW tank temperature = Preset value (Storage comfort) b : Start production of domestic hot water.
4 Operation 4.
5 Energy saving tips 4.9 Installer settings: Tables to be filled in by installer Setting Default Cooling Fill in… 5°C Leaving water temperature: Modulation [A.3.1.1.5] 4.9.1 Quick wizard Modulated LWT Setting Default Fill in… Backup heater configuration (only for unified backup heater) [A.2.1.5] BUH type 1 (1P,(1/2)) Emitter type 4.9.3 Preferential kWh rate power supply [A.2.1.6] Preferential kWh rate Space heating/cooling settings [A.2.
6 Maintenance and service Tips about DHW tank temperature 7.3 ▪ Make sure the number (available hot water for x persons) on the DHW tank temperature home page is NOT higher than your actual needs. ▪ Use a weekly schedule for your normal domestic hot water needs (only in scheduled mode). Symptom: You are feeling too cold (hot) in your living room Possible cause Corrective action The desired room temperature is Increase (decrease) the desired too low (high). room temperature.
10 Glossary 10 Glossary DHW = Domestic hot water Hot water used, in any type of building, for domestic purposes. LWT = Leaving water temperature Water temperature at the water outlet of the heat pump. Dealer Sales distributor for the product. Authorized installer Technical skilled person who is qualified to install the product. User Person who is owner of the product and/or operates the product.
Notes_1.
4P313778-1B 2012.
