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Acond GRANDIS L Operating Manual

Heat pump air/water
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Operating Manual
GRANDIS L
GRANDIS L
Heat Pump Air / water
Operating Manual
Date of last change: 03.01.2024
Page 1/60
AC-A015-EN-R01
For customers

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Summary of Contents for Acond GRANDIS L

  • Page 1 Operating Manual GRANDIS L GRANDIS L Heat Pump Air / water Operating Manual Date of last change: 03.01.2024 Page 1/60 AC-A015-EN-R01 For customers...
  • Page 2 Operating Manual GRANDIS L IN BRIEF: To turn on/off the heat pump: • If the symbol lights up on the display , the heat pump is switched off. • To switch on the TC, press the ✓ button. A confirmation dialog will appear, go to YES and confirm with the ✓...
  • Page 3 Control via mobile app ........... 39 3.1.1 Interior control unit C-ID ......... 17 3.1.2 Meaning of the individual symbols of the C-ID 3.3.1 ACOND®Therm basic mobile app ......39 control unit panel ..............17 Date of last change: 03.01.2024 Page 3/60 AC-A015-EN-R01 For customers...
  • Page 4 Operating Manual GRANDIS L 3.3.2 Operating system requirements ......39 Traffic Control ............49 3.3.3 User login..............40 Checking the pressure in the heating system ..49 3.3.4 Home page ............... 40 6.4.1 System and expansion vessel pressure control procedure ................... 49 3.3.5...
  • Page 5 Failure to comply with these instructions during installation, operation and maintenance will void ACOND a.s.'s obligations under the warranty. ACOND a.s. reserves the right to change parts of the documentation and specifications without prior notice. © 01/2024 Copyright ACOND a.s.
  • Page 6 Operating Instructions GRANDIS L The equipment must not be operated by persons with insufficient experience and knowledge (including children) unless they are under the supervision of instructed persons responsible for their safety. Security • The equipment is safe to operate when used properly.
  • Page 7 Operating Instructions GRANDIS L Caution, the unit contains flammable refrigerant! In case of fire, disconnect the equipment from the power source and call 112! No handling of open flames near the outdoor unit! 2.1.3 Treatment of the device Do not use chlorine to treat stainless steel surfaces and avoid abrasive materials and wire...
  • Page 8 Operating Instructions GRANDIS L • If the condensate is discharged into the waste pipe, it must be at a non-freezing depth on the pipe or inside the building where there is no risk of freezing, a siphon must be placed! •...
  • Page 9 Operating Instructions GRANDIS L 2.1.6 Danger of injury due to icing At the air outlet of the heat pump, the air temperature is about 5 °C below the ambient temperature, so the surroundings can be icy and slippery. Service inspections and maintenance The operator is responsible for the safety and environmental compatibility of the heat pump.
  • Page 10 2,76 2.3.2 Stainless steel water tanks The Acond heating system can be fitted with a stainless steel vessel for heating water accumulation or a stainless steel hot water storage tank (hereinafter referred to as vessels). Although these are they are stainless steel vessels, they are not maintenance-free! Instructions for installation and maintenance of the vessels are given in in the documentation Storage Vessels, Hot Water Storage Tanks, which is included in the delivery of the vessels.
  • Page 11 Operating Instructions GRANDIS L Technical data The following technical data and performance parameters are for the average climate and for the unit with clean heat exchangers! Table 2: Technical data Model Grandis-L16 Grandis-L18 Grandis-L21 Supply voltage code; 3~N/PE/400V/50Hz; B25A 3~N/PE/400V/50Hz; B25A 3~N/PE/400V/50Hz; B25A...
  • Page 12 Operating Instructions GRANDIS L Table 3: Performance parameters of EN 14 511 nominal conditions Subtype Grandis-L16 Grandis-L18 Grandis-L21 Heating power A7/W35 [kW] 11,41 13,15 16,69 COP A7/W35 [1] 5,14 5,16 5,15 Heating power A7/W55 [kW] 10,2 11,77 14,98 COP A7/W55 [1]...
  • Page 13 Operating Instructions GRANDIS L Table 5: Flow rates for nominal conditions according to EN 14 511 Subtype Grandis-L16 Grandis - L18 Grandis - L21 Fan speed [1/min] A7/W35 Water flow [m 1,97 2,27 2,89 Pressure difference [kPa] -2,29 -3,07 -5,16...
  • Page 14 Operating Instructions GRANDIS L If the outlet temperature of the heat pump is below 18°C, there is a risk of condensation! For this reason, the temperature in the heating system cannot be set lower than 18°C, thus limiting the temperature of the water that can be used to cool the living space.
  • Page 15 Therefore, an automatic defrost function is included in the operation of the ACOND® heat pump to defrost the air heat exchanger. The defrost sequence is triggered when the evaporator temperature of the outdoor unit drops below the set point.
  • Page 16 Operating Instructions GRANDIS L 2.5.5 Summer/winter switching In summer, the heat pump switches on if the system is fitted: • full DHW heating and the DHW temperature drops below the set point • with a storage vessel that allows preheating of DHW, and the preheating option is selected in summer - then the temperature in the storage vessel is maintained at 45 °C.
  • Page 17 Operating Instructions GRANDIS L 3 Heat pump control Control of the heat pump is possible: 1. using a web browser via www.acond.cz if the heat pump control is connected to the Internet - chapter 3.2 2. via a direct connection at the installation site on the local network - chapter 3.2.2.3 3.
  • Page 18 Operating Instructions GRANDIS L C-ID Symbol Description Heat pump mode Bivalence mode Cooling mode (if equipped) Manual mode Off mode If the symbol is lit, a high electricity tariff is HDO vt in effect The outdoor temperature has reached the...
  • Page 19 Operating Instructions GRANDIS L C-ID Symbol Description Bivalence on - stage 1 and 2 Outdoor unit compressor Outdoor unit fan Brine circulation pump Plate heat exchanger circulation pump 3.1.3 Basic display In the basic view, the display shows the current temperature in the room, the type of control, the current mode, or the symbol for a fault.
  • Page 20 Operating Instructions GRANDIS L 3.1.5 Display control Use the up and down arrows (∧,∨) to switch between the different display panels. The right arrow (>) is used to move to the parameter settings. The + / - buttons increase and decrease the desired temperature. Holding down these buttons changes the desired temperature more quickly.
  • Page 21 Operating Instructions GRANDIS L 3.1.8 How to find and set the return water temperature___ Use the up or down arrow button to scroll to the Return Water Temperature panel. The actual return water temperature and the desired return water temperature will be displayed. If the control is set to Standard, you can change the desired return water ✓...
  • Page 22 Operating Instructions GRANDIS L 3.1.11 How to set the outlet water temperature for cooling____ The panel Water temperature for chlorine can only be set with the up and down arrows in cooling mode, which can only be set in summer mode. It displays the current and desired temperature at the outlet of the CH.
  • Page 23 Operating Instructions GRANDIS L Note: For more information on mode descriptions, see chap. 3.2.7. 3.1.12.3 How to turn off the heat pump The item Switch off CH [OFF] in the settings panel allows you to switch off the CH. After selecting it, a confirmation dialog will be displayed, after confirming "YES" the device will be switched off.
  • Page 24 The connection of the heat pump to the internet will be made by a service technician when the heat pump is installed or later via the Acond service phone line. When logging in, users access to a web server with a heat pump database.
  • Page 25 Operating Instructions GRANDIS L Fig 2 Login page to the TecoRoute system The login details (username and password) will be supplied by the installer when the heat pump is handed over. Type your login name in the Username field. Type your password in the Password field.
  • Page 26 GRANDIS L Fig 4 Logging in to the heat pump Enter acond in the Username and Password fields (factory default - you can change the username and password on the Information page, see chap. 3.2.12 on page 36). Confirm your name and password by clicking the Login button or the Enter key and the main page will be displayed - see Fig 5.
  • Page 27 (Google Chrome, FireFox, Internet Explorer, etc.). A login web page will appear - see Fig 4. Enter acond in the Username and Password fields (factory default - you can change the username and password on the Information page, see chap. 3.2.12 on page 36).
  • Page 28 Operating Instructions GRANDIS L 3. The equithermal curve allows you to change the parameters of the equithermal control. 4. Graphs the display of the return temperature, room temperature and DHW temperature for the last 24h. 5. Information list of service information - data about the user, installed software version, heat pump type, HDO settings, etc.
  • Page 29 Operating Instructions GRANDIS L pictogram Status pictogram Status Description Domestic hot water heating via heat pump Inactive Active (hydrobox) or heating rod (preheating, electric boiler) Bivalence - switching of auxiliary electric heating Inactive Active The crossed-out flash symbol is displayed if the bivalence is not fitted or cannot be triggered at the moment.
  • Page 30 The Acond Therm® control normally maintains the set room temperature within a tolerance of +/- 0.5°C. This tolerance is only exceeded in exceptional cases (e.g. after a system restart, after a change in the desired temperature, after ventilation, etc.).
  • Page 31 Operating Instructions GRANDIS L Fig 8 TUV - antisepsis When selecting the QUIET MODE of the CHP, it is possible to specify the time when the fan speed will be reduced due to the noise of the heat pump. In summer, as soon as the outside temperature exceeds 17°C, the speed is reduced automatically.
  • Page 32 Operating Instructions GRANDIS L 3.2.6.3 Standard Set constant temperature of heating water in the heating system - this option is mainly for service purposes or for the installation of temperature control in rooms by the parent system. 3.2.7 Control mode selection On the home page, next to the regulation option (Fig 9), you can also set the control mode.
  • Page 33 Operating Instructions GRANDIS L Fig 10: Solarium window The solar circulator runs when the temperature of the solar panel exceeds the temperature in the storage tank by at least 8°C. It shall stop if the temperature of the solar panel exceeds the temperature in the storage vessel by only 3 °C or less, or if the temperature in the storage...
  • Page 34 Operating Instructions GRANDIS L 3.2.10 Fault display Fig 12 Fault display on the web page In the event of a malfunction, an exclamation mark appears next to the AcondTherm logo on a red background. After clicking on the exclamation mark icon, a description of the fault is displayed with an OK button that can be used to confirm the fault after it has been corrected (if the cause of the fault has passed) (Fig 12).
  • Page 35 Operating Instructions GRANDIS L Fig 13 Room temperature schedule 3.2.11.1 Circuit1, Circuit2, Heating water For each day it is possible to enter 2 time periods in which the room temperature (heating water temperature) will be in STANDARD control) will be controlled to the value in the white oval below the corresponding times in this table.
  • Page 36 Operating Instructions GRANDIS L 3.2.11.2 DHW timetable When you click on the TUV Schedule link at the bottom right of the web page, a table will appear (see Fig 14), to enter the 2 time periods in which DHW heating will be enabled. At the top of the table, an option is made available to select whether the heat pump should follow the displayed time schedule.
  • Page 37 Operating Instructions GRANDIS L box "HDO switches off DHW heating", no DHW will be heated during the more expensive tariff. Similarly, if you tick the box "HDO switches off DHW for heating", the heat pump will not run during the more expensive tariff due to low temperature in the room and after ticking the last box "HDO switches off the...
  • Page 38 Operating Instructions GRANDIS L 3.2.13 Equithermal curve Clicking on the link in the Equithermal Curve menu will display the table with the equithermal control settings (see Fig 16). The numbers below the horizontal axis indicate the outdoor temperature of the breaks (points) of the equithermal curve, the numbers above the graph indicate the heating water temperature corresponding to these breaks (points).
  • Page 39 CH off/on 3.3.2 Operating system requirements If the ACOND®Therm basic mobile app is to be operated on a mobile phone with Android operating system, Android 5.0 or higher must be installed on the device. For mobile phones with iOS, iOS 10.0 and higher is required.
  • Page 40 GRANDIS L 3.3.3 User login To monitor and control your Acond heat pump via your mobile phone, you must first log in to the app. On the login page, enter the same username (Login) and password that you use to access the web app (i.e. the one you received before you first logged in to the heat pump via the internet).
  • Page 41 Most pages contain a circular control that allows you to edit (change) the displayed value. Editing is possible by dragging your finger on the circle with the Acond logo or by clicking on the + and - symbols. Another input option is to click on the value in the middle of the circle.
  • Page 42 Operating Instructions GRANDIS L 3.3.6 Boiler Click on the Boiler area to display the page with the hot water temperature in the boiler. In the middle of the circular control the desired DHW temperature is displayed, at the bottom the current water temperature at the bottom of the tank (boiler) is displayed.
  • Page 43 Operating Instructions GRANDIS L 3.3.9 Swimming pool The Pool area is used to operate the pool water heating. The page again contains a circular control with the option to set the desired pool water temperature, below the circular control the current pool water temperature is displayed.
  • Page 44 Operating Instructions GRANDIS L 4 Alarms, faults and removing them Each alarm is signalled simultaneously via the web interface and on the indoor unit. If a fault occurs on the heat pump, an exclamation mark appears in the red box on the home page (see Fig 12).
  • Page 45 Operating Instructions GRANDIS L Code ALARM Cause Removing ROOM Electrical fault, disconnected (faulty) Call technical support. TEMPERATURE room thermostat SENSOR - 2. DISTRICT POOL SENSOR Probe missing, defective, cable Call technical support. defective, probe resistance exceeds limits MIXER SENSOR - Probe missing, defective, cable Call technical support.
  • Page 46 Operating Instructions GRANDIS L Code ALARM Cause Removing LOW TEMPERATURE Low collector temperature Call technical support. OF THE GROUND COLLECTOR HIGH HEAT SUCTION The evaporator temperature exceeded Call technical support. COMPRESSOR the set point during defrosting or after defrosting has finished...
  • Page 47 5 Accumulation and DHW tanks The Acond heating system can be fitted with a stainless steel vessel for heating water accumulation or a stainless steel hot water storage tank (hereinafter referred to as vessels), which must be installed and operated in accordance with the instructions in this documentation.
  • Page 48 Operating Instructions GRANDIS L • Installation, assembly and all service work may only be carried out by a person qualified to carry out the relevant work. • The containers are not intended for use in very aggressive environments (stables, poultry houses, industrial plants).
  • Page 49 Operating Instructions GRANDIS L 6.3 Traffic Control During operation of the heat pump it is necessary to regularly check the alarm indicator in order to quickly eliminate any possible error and to minimize the operation of auxiliary heaters (bivalence), because in most alarms these heat sources are triggered in case of low temperature in the room.
  • Page 50 Operating Instructions GRANDIS L For pressure control: • switch off the heat pump, drop the circuit breaker of the heating system • close the ball valve 1 above the expansion tank (see Fig 21) • loosen the drain valve cover 2, open the drain valve - beware, up to several litres of water can leak out of the drain valve hose, have a sufficiently large container ready •...
  • Page 51 Operating Instructions GRANDIS L After installation, the filters in the heating system must be cleaned twice a year. If it is obvious that cleaning twice a year is not necessary, this interval can be extended. 6.5.1 Filter cleaning procedure Have a rag handy when opening the filter cover, usually a small amount of water will come out.
  • Page 52 Operating Instructions GRANDIS L particulate filter using an adjustable wrench and the strainer is removed and washed under running water. Once cleaned, it can be returned to its original position and the nut tightened appropriately. 6.6 System venting Air in the heating system reduces heat transfer and can therefore significantly reduce heating efficiency.
  • Page 53 6.8 Safety valve The Acond heating system can be equipped with a vessel for heating water storage or a hot water tank with a safety valve. Each safety valve must be regularly checked for functionality at least once every six months (by manually draining the water) and replaced in the event of a fault.
  • Page 54 For heat pump combination heater: Declared load profile Water heating energy �� efficiency Electricity consumption Daily fuel consumption elec fuel Contact information Acond a.s., Štěrboholská 1434/102a, 102 00 Prague 10 - Hostivař, Czech Republic Date of last change: 03.01.2024 Page 54/60 AC-A015-EN-R01 For customers...
  • Page 55 For heat pump combination heater: Declared load profile Water heating energy �� efficiency Electricity consumption Daily fuel consumption fuel elec Contact details Acond a.s., Štěrboholská 1434/102a, 102 00 Prague 10 - Hostivař, Czech Republic Date of last change: 03.01.2024 Page 55/60 AC-A015-EN-R01 For customers...
  • Page 56 Declared load profile Energy efficiency of water η heating Electricity consumption Daily fuel consumption elec fuel Contact information Acond a.s., Štěrboholská 1434/102a, 102 00 Prague 10 - Hostivař, Czech Republic Date of last change: 03.01.2024 Page 56/60 AC-A015-EN-R01 For customers...
  • Page 57 For heat pump combination heater: Declared load profile Water heating energy η efficiency Electricity consumption Daily fuel consumption elec fuel Contact information Acond a.s., Štěrboholská 1434/102a, 102 00 Prague 10 - Hostivař, Czech Republic Date of last change: 03.01.2024 Page 57/60 AC-A015-EN-R01 For customers...
  • Page 58 For heat pump combination heater: Declared load profile Water heating energy η efficiency Electricity consumption Daily fuel consumption elec fuel Contact information Acond a.s., Štěrboholská 1434/102a, 102 00 Prague 10 - Hostivař, Czech Republic Date of last change: 03.01.2024 Page 58/60 AC-A015-EN-R01 For customers...
  • Page 59 For heat pump combination heater: Declared load profile Water heating energy η efficiency Electricity consumption Daily fuel consumption elec fuel Contact information Acond a.s., Štěrboholská 1434/102a, 102 00 Prague 10 - Hostivař, Czech Republic Date of last change: 03.01.2024 Page 59/60 AC-A015-EN-R01 For customers...
  • Page 60 Operating Instructions GRANDIS L 9 Links In the event of a heat pump fault, visit https://acond.cz/tepelna-cerpadla/servis/ Date of last change: 03.01.2024 Page 60/60 AC-A015-EN-R01 For customers...

This manual is also suitable for:

Grandis-l16Grandis-l18Grandis-l21