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LG ThermaV Owner's Manual
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LG ThermaV Owner's Manual

Air-to-water heat pump
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OWNER'S MANUAL
AIR-TO-WATER
HEAT PUMP
Please read this manual carefully before operating your set and retain it for future
reference.
(Air-to-Water Heat Pump)
Original instruction
www.lg.com
MFL69676301
Rev.00_050219
Copyright © 2016 - 2019 LG Electronics Inc. All Rights Reserved.

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  • Page 1 OWNER’S MANUAL AIR-TO-WATER HEAT PUMP Please read this manual carefully before operating your set and retain it for future reference. (Air-to-Water Heat Pump) Original instruction www.lg.com MFL69676301 Rev.00_050219 Copyright © 2016 - 2019 LG Electronics Inc. All Rights Reserved.

  • Page 2: Table Of Contents

    Table of contents TABLE OF CONTENTS Safety Precautions Silent operation mode 47 User menus and parameters Instructions for the use of Menu structure owner’s manual 54 Information display of Important information operation Glossary of used terms and conceptions 10 TERMOTRONIC controller Diagnostic displays Display of the state of the device General...

  • Page 3: Safety Precautions

    Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
  • Page 4 Safety Precautions • Install the panel and the cover of control box securely. - There is risk of fire or electric shock due to dust, water etc. • Use the correctly rated breaker or fuse. - There is risk of fire or electric shock. •...
  • Page 5 Safety Precautions • Safely dispose off the packing materials. Like screws, nails, batteries, broken things etc after installation or service and then tear away and throw away the plastic packaging bags. - Children may play with them and cause injury. •...
  • Page 6 Safety Precautions • Do not touch any electric part with wet hands. you should be cut power before touching electric part. - There is risk of electric shock or fire. • Do not touch refrigerant pipe and water pipe or any internal parts while the unit is operating or immediately after operation.
  • Page 7 Safety Precautions • Use a soft cloth to clean. Do not use harsh detergents, solvents or splashing water etc. - There is risk of fire, electric shock, or damage to the plastic parts of the product. • Do not step on or put anyting on the product. - There is risk of personal injury and failure of product.

  • Page 8: Instructions For The Use Of Owner's Manual

    Instructions for the use of owner’s manual Instructions for the use of owner’s manual Before first use, read owner’s manual thoroughly and learn its content. You will learn the purpose, functions and the handling procedures for the device. In case of malfunctions of the heating system, firstly, read the sections(Disruptions in operation, alarms and troubleshooting) and consult your installer who will find the reason for the malfunction and resolve it.

  • Page 9: Glossary Of Used Terms And Conceptions

    Instructions for the use of owner’s manual Glossary of used terms and conceptions - ALTERNATIVE SOURCE: The heat source is used for systems with solar collectors, masonry heaters and wood stoves when we either do not have a heat source on hand at any moment or an automatic switch through the signal from the controller of the device (i.e.

  • Page 10: Termotronic Controller

    TERMOTRONIC controller TERMOTRONIC controller General TERMOTRONIC is a self-adapting controller for controlling the heat pump (DEVICE) and the heating system. It controls operation of the device to ensure the most efficient way to produce the desired temperature of the building based on the of the heating system and outside temperature. The TERMOTRONIC controller offers controlling the device and the heating system of the building (not more than 4 heating circuits) as well as controlling the heating with an alternative heat source, active cooling with the device, heating DHW with the device and/or alternative heat source and/or...

  • Page 11: Activating The Device

    TERMOTRONIC controller BUTTON BUTTON FUNCTION MENU: Scrolls through the main menu and sub-menus. ENTER: On, off, accessing the menu, accessing the settings and confirming selected values. »+«: Selects the values, by scrolling upwards the menus and sub-menus. »-«: Selecting the values, scrolling down the menus and sub-menus. ALARM: Indicates device malfunction.

  • Page 12: Standby

    TERMOTRONIC controller Standby The device enters standby state when the values of the selected parameters Heating, Cooling, DHW, device protection ... are reached. The display of the interface displays the status: Standby........ Heating 35.5°C Return 35.3°C 49.0°C NOTE The device enters the standby mode even when any operation is protected (compressor start-up delay, insufficient water flow).

  • Page 13: Power Outage

    TERMOTRONIC controller Power outage In case of a power outage, the device ceases to operate. After power is restored the device undergoes 300 seconds of protection mode and then automatically returns to the mode before the power outage. In case of a power outage, the controller retains all the settings that were set before the outage.

  • Page 14: Setting Parameters

    TERMOTRONIC controller Setting parameters All parameter settings of the device’s operation and heating/cooling system of the building are set as described below. For entering the user menu press the key Standby........ (MENU) on the basic display. Heating 35.5°C Return 32.3°C 49.0°C The currently chosen menu is marked by the >...

  • Page 15: Setting The Language

    TERMOTRONIC controller Setting the language The controller enables setting different display languages. To set a language of your choice, follow the steps below. Press key (MENU) of the basic menu. Standby........ Heating 35.5°C Return 32.3°C 49.0°C Use the key to choose the Mode >...

  • Page 16: Quick Settings

    Quick settings Quick settings NOTE The parameters of the TERMOTRONIC controller were set according to project documentation of the heating/cooling system, recommendations of the manufacturer for the device and your requests by the authorized contractor. At handover, the contractor practically demonstrates operation of the product and the important setting modes for each of the parameters.
  • Page 17 Quick settings NOTE - The space corrector influences the whole heating circuit and not the temperature of the individual room. The desired room temperature where the spatial corrector is located in the reference temperature for all other rooms of the heating circuit controlled by this spatial corrector. This is why it must be located in a room where the desired temperature is as close to the desired average temperature of the other rooms (halls, living room).

  • Page 18: Setting The Temperature Of Heated Water

    Quick settings • Setting the room temperature with a room thermostat For setting the room temperature with a room thermostat, read the manual that comes with the product or consult the installer. NOTE - In case the thermostat is turned on all this time and the heating system does not heat/cool the space to the desired temperature, check the settings of temperatures of the heating system on the device.
  • Page 19 Quick settings By setting the parameter C/W you set the number of temperature steps for which you want to raise or lower the temperature of heated water. You perform the settings in the following steps: Press key (MENU) in the basic menu. Standby........
  • Page 20 Quick settings For advanced changing the temperature of the heated water control mode of the heating system refer to the Chapter(Heating setting). NOTE - The temperature of heated water can be raised or lowered for no more than four temperature steps.

  • Page 21: Setting The Temperature Of Dhw

    Quick settings Setting the temperature of DHW The device heats the water in a DHW via heat exchanger. ln case the DHW requires to be heated, the controller switches the device from heating the building to heating the DHW. Heating DHW has priority over other modes of operation.

  • Page 22: Changing The Operational Mode - Winter/Summer Mode

    Quick settings Changing the operational mode - winter/summer mode The mode of operation - winter or summer, is chosen according to season. When you prefer to have cool air indoors, switch to the summer operating mode. When you prefer warm air indoors, switch to the winter mode.
  • Page 23 Quick settings • Changing the operating mode Changing the operation from winter to summer mode is performed in the following steps: Press key (MENU) in the basic menu. Standby........ Heating 35.5°C Return 32.3°C 49.0°C In the user interface, use the key >...

  • Page 24: Setting The Cooling Temperature

    Quick settings Setting the cooling temperature In the operating mode (Summer, AUTO) which enables cooling, you can adjust the temperature of cold water for the cooling circuits. The controller only enables the mode of controlling the temperature of cold water while maintaining constant temperature. NOTE For setting the cooling of the building the Summer or AUTO Mode must be chosen.

  • Page 25: Switching On The Additional Heat Source

    Quick settings NOTE - The cooling and individual circuits settings are separated from the heating, hence the settings that have been configured for the cooling mode remain unchanged while operating in the heating mode. - In the case of floor, ceiling or wall cooling appropriate settings and protection to prevent causing surface condensation.

  • Page 26: Manual Activation Of The Additional Heat Source

    Quick settings The chosen parameter is displayed within * >Switch o constant< The keys change the value of Bi-point -5.0°C the parameter bold constant. The auxiliary Delay 30 min source will operate together with the heat pump. Mode PARALLEL To confirm the settings press key ENTER.
  • Page 27 Quick settings In the menu Additional source choose Delay AddSourceOnly as NO using the key and Mode PARALLEL press the key (ENTER). Rise for 5.0°C >AddSourceOnly NO< The chosen parameter is displayed within * Delay Use the key to change the value of the Mode PARALLEL parameter to add.

  • Page 28: Advanced Settings

    Advanced settings Advanced settings In this chapter you will find: - How to set the parameters of the device in case the system has no controller or thermostat built in or the settings for the temperature of heated water does suffice the heating needs. - How to set the control mode of the heating water.

  • Page 29: Heating Settings

    Advanced settings NOTE - Heating circle 1 (M5) can only be a direct heating circle (without mixing valve). For this circuit we always choose the heating circle which requires the highest temperature (i.e. radiators). - Heating circuits 2, 3 and 4 (M6, M9, M11) can be direct (without a mixing valve) or mixing circuits.
  • Page 30 Advanced settings Control modes for heating water have to be set separately by type in menus: ► Heating………………… ► 1. Circuit, ► 2. Circuit, ► 3. Circuit, ► 4. Circuit, It is important to note that the method of adjustment is the same in all cases and is described as a heating curve example for the section 'Weather controlled heating' and as control at constant temperature example for the section 'Heating based..' in Section(Heating based on constant temperature).
  • Page 31 Advanced settings • Weather controlled heating Weather controlled heating means water temperature in the heater is adjusted to the current air temperature. The lower the external temperature, the higher the heat loss and as a result a higher temperature of water is required for the heating bodies (floor, wall or radiator heating...) to compensate for the loss in heat.
  • Page 32 Advanced settings The weather controlled heating curve Setting of breaking Setting of weather point for the weather controlled heating guided heating - At current temperature of Normal transitional period external air. Correction Temperature of external air [°C] The appropriate heating temperature setting is essential for ensuring the desired comfort. It depends on the characteristics of the house and heating objects as well as the project temperature.
  • Page 33 Advanced settings • Setting the temperature correction of heating water By changing the value of the parameter Correction you can adjust the temperature of heated water in transitional periods and thus adjust the desired comfort in the heated building. Follow the below steps: Press key (MENU) in the basic menu.
  • Page 34 Advanced settings You perform the settings in the following steps: Press key (MENU) in the basic menu. Standby........ Heating 35.5°C Return 32.3°C 49.0°C The first line has the parameter Heating > Heating < selected. To set the parameter press key 1.
  • Page 35 Advanced settings • Heating based on constant temperature For ensuring economic feasibility of the whole system, it is advisable to set the default setting to 'Heating Curve'. If you prefer to set a constant temperature for the indoors, follow the below settings: PARAMETER HEATING (with constant temperature)
  • Page 36 Advanced settings You perform the settings in the following steps: Press key (MENU) in the basic menu. Standby........ Heating 35.5°C Return 32.3°C 49.0°C The first line has the parameter Heating Heating selected. To set the parameter press key > 1. Circuit <...

  • Page 37: Operating Mode

    Advanced settings Operating mode The controller of the device enables heating of the heating water/ cooling of the cooling water, heating/cooling of the circuits and DHW in four different operational modes: ► Normal applies to heating/cooling. ► DHW applies to the heating of DHW. ►...

  • Page 38: Schedules

    Advanced settings NOTE - In mixing heating circuits the temperature of the supply pipe can be set in direct heating circuits and set the Return temperature. - Active cooling works in the area set in the menu Cooling with the parameters T.out.max.- external temperature above which the active cooling can operate actively and the parameter Min - external temperature until which the active cooling can operate.
  • Page 39 Advanced settings The schedule enables daily settings of 6 operation mode switches. Below is a description of heating with an example of a daily schedule. COMFORT Normal Time of day [h] Heating is turned off (OFF) from 00:00 to 02:00. The heating is turned on at 02:00 in the COMFORT mode (in this mode the temperature is higher than the temperature set in the parameter Normal by the COM parameter).
  • Page 40 Advanced settings By pressing you can access the field for Copy DELETE choosing the mode of operation. This field starts 00:00 --:-- OFF blinking. By pressing the key (ENTER) --:-- --:-- OFF confirm you want to set the mode of operation. --:-- --:-- OFF Symbols XXX start blinking over the operating...
  • Page 41 Advanced settings To delete the schedule for a chosen day, follow the below steps: Use the key to navigate to delete, which Copy DELETE starts blinking. Press the key (ENTER). 00:00 --:-- HEA --:-- --:-- HEA --:-- --:-- HEA The controller displays the question whether you *************************** would like to delete the currently chosen schedule.

  • Page 42: Alternative Source

    Advanced settings Alternative source NOTE For this function and to display the menu Alternative source on the TERMOTRONIC controller you need the extension regulation with the input-output module TT3003. The alternative source function uses the heat from the solar collectors (SSE) or for using heat from the biomass DHWs.

  • Page 43: Programme For Drying Screeds

    Advanced settings Programme for drying screeds The controller has a built in function of gradual drying of screeds which is especially important for new buildings and before installing flooring. Before using the programme for drying screeds you have to consult the contractor for screeds. According to his requirements you can use the standard programme or adjust it.

  • Page 44: Meters For Operating Hours

    Advanced settings The chosen parameter is displayed within * *. Mode AUTO Choose the parameter Yes by pressing *Screed drying YES * and confirming by pressing the (ENTER) Initial 20°C key. You have thus turned on the operation of Maximum..………..30°C the mode Screed drying.

  • Page 45: Setting The Date, Hour And Day Of The Week

    Advanced settings Setting the date, hour and day of the week In case of incorrect time and date on the TERMOTRONIC controller, follow the steps below: Press key in the basic menu. Standby........ Heating………………..35.5°C Return 32.3°C 49.0°C Press key until the display shows the following: T outside 10°C...

  • Page 46: Pv Signal

    Advanced settings PV signal The PV signal can be turned on in the menu mode with the parameter D8-PV. It allows factory and user settings: - The factory control setting enables the control of the temperature operating mode. This means that in the case of the winter mode (heating) you can turn on cooling.

  • Page 47: User Menus And Parameters

    User menus and parameters User menus and parameters NOTE The display of the TERMOTRONIC controller interface shows only those menus dependent on the type of device that were actually activated during the start-up of the device. Menu structure Parameter Adjustable Basic menu Scope [°C] Parameter description...
  • Page 48 User menus and parameters The desired temperature of cooling in the Normal mode of Normal 19.9 10.0…19.9 operation. Lowering the desired temperature in the Eco mode of -2.0 0.0…10.0 operation. Raising the desired temperature in the Comfort mode of Comfort -10.0…0.0 operation.
  • Page 49 User menus and parameters The correction of the breaking point of the weather curve Correction 0.0…10.0 at +15 °C. By setting this parameter you change the desired temperature of Correction. Desired room temperature which can be set from 17 to In space 22.0 27 °C.
  • Page 50 User menus and parameters Max ope. 0…999 The maximum operating time of DHW Time sta. 0…999 The standby state of DHW Setting heating and DHW support with the alternative source (solar collectors, solid fuel DHW ...). Display and configuration options if the alternative source is active (an expansion module is ALTERNATIV necessary).
  • Page 51 User menus and parameters Setting the temperature for activating the signal which the Protection 100.0…130.0 users lowering the temperature of the alternative source can be connected to. DHW from Heating the DHW directly from the alternative source or alternat. the buffer tank [ALT,CON]. ADDITIONAL Parameter Adjustable...
  • Page 52 User menus and parameters Screed Turning on the programme for Screed drying [YES, NO]. drying Initial 20.0 10.0…50.0 Changing the initial temperature. Setting the highest temperature up to which the screeds Maximum 30.0 10.0…50.0 can be heated. Step Setting the operating hours for the step [10…24] h Maintaining the maximal temperature reached Duration [100…264..1000h].
  • Page 53 User menus and parameters The buffer tank will switch to the Comfort mode upon the D8-PV Rise 1 signal from outside. The device operates in the normal mode. In case of the Silent mode NRM parameter the power of heating and cooling lowers. This parameter sets the desired language Of the Language controller.

  • Page 54: Information Display Of Operation

    Information display of operation Information display of operation The controller interface TERMOTRONIC displays information about the device on its main display at any time. The information is described in Line 2 and Line 2. The information about the device can also be displayed in the DIAGNOSTICS DISPLAY.

  • Page 55: Diagnostic Displays

    Information display of operation Diagnostic displays If you would like to check the current status of the device or check why it is malfunctioning, follow these steps: For accessing diagnostics on the home screen, - DIAGNOSTIC - DISPLAY - press key until the display on the left is displayed.

  • Page 56: Display Of The State Of The Device

    Information display of operation Display of the state of the device NOTE Some of the state of the device that are displayed in the information line 1 can also be displayed in the information line 2. INFORMATION LINE 1 Parameter description --- ALARM DHW ---- The device was unable to heat the water higher than the min.
  • Page 57 Information display of operation INV Error Number of external device error. --MODULE 1 - ALARM-- Communication disruption module 1. --MODULE 2 - ALARM-- Communication disruption module 2. --MODULE INV ALARM-- Communication disruption outdoor unit. --REMOTE--SHUT-OFF-- HP STOP via digital input D5. -- RESET MODUL 1 --- Reset of the module 1.

  • Page 58: Disruptions In Operation, Alarms And Troubleshooting

    Disruptions in operation, alarms and troubleshooting Disruptions in operation, alarms and troubleshooting After instalment and successful commissioning the device is ready for regular operation. The operation of the device is protected by multiple protection mechanisms: In case of disruptions in the operation, firstly check whether the display displays an error message. Search for the description of the malfunction in the table below and try to resolve it in accordance with the instructions in chapter 'Troubleshooting'.
  • Page 59 Disruptions in operation, alarms and troubleshooting 1. Heat the buffer tank with the backup The user source (at least to 20 °C), The HP does The outlet water Defrost not have temperature 2. Turn on the buffer tank heating together T.Flow The user enough energy...

  • Page 60: Maintenance And Service

    Maintenance and Service Maintenance and Service Maintenance Activities In order to ensure optimal availability of the unit, a number of checks and inspections on the unit and the field wiring have to be carried out at regular intervals, preferably yearly. This maintenance should be carried out by your local agreed technician.

  • Page 61: Settings Of Your Heating System At Start-Up

    Settings of your heating system at start-up Settings of your heating system at start-up In case you need help from the installer who performed the installation or an authorized service, record the below info in the tables. - Your designations of rooms you control with the parameters of the control interface TERMOTRONIC.

  • Page 62: Search The Manual Using Your Mobile

    Settings of your heating system at start-up Parameters for DHW: Conception of the parameters Recommended set temperature of the control interface Your designations of rooms Normal Standby TERMOTRONIC Filled out by the authorized contractor for commissions: Setting the parameter (371) Buff.tank at start-up (circle it) Buff.const Buff.if needed Designation of hydraulic wiring diagram (Catalogue of hydraulic wiring diagrams of the device manufacturer)

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