LG THERMA V Series Owner'S Manual Download Page 1

Page: 1 / 59

Please read this manual carefully before operating
your set and retain it for future reference.

Original instruction

[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared

Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu,

Changwon-si, Gyeongsangnam-do, KOREA

OWNER’S MANUAL

AIR-TO-WATER

HEAT PUMP

www.lg.com

MFL68680905

Rev.01_062118

ENGLISH

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

Summary of Contents for THERMA V Series

Page 1: ...Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA OWNER S MANUAL AIR TO WATER HEAT PUMP www lg com MFL68680905 Rev 01_062118 Copyright 2017 2018 LG Electronics Inc All Rights Reserved ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂN...

Page 2: ...s more energy efficient than conventional system High efficiency with conventional boiler functions Why is AWHP Air to Water Heat Pump Various regulations are implemented in Europe to reduce energy use of building heating Also AWHP related subsidy programs are implemented by country Read this manual Inside you will find many helpful hints on how to use and maintain your AWHP properly Just a little...

Page 3: ...tion 18 Heating operation 19 AI Auto operation 20 TEMPERATURE SETTING 20 Controlling desired temperature 21 Select Temperature Sensor 22 DHW heating operation 22 Quick DHW tank heating 23 View temperature 25 LOCK SETTING 25 How to enter Lock setting 25 Lock setting all on off mode DHW lock 26 TIMER SETTING 26 Timer entrance and setting method 27 Simple Timer 28 Turn On Reservation 29 Turn Off Rese...

Page 4: ...er setting 43 User setting 44 Language setting 45 Temperature Unit setting 46 Screen Saver Timer setting 46 LCD Brightness In Idle setting 47 Date setting 48 Time setting 49 Summer Time setting 50 Password setting 51 Schedule Initialization 52 Theme setting 52 System Reboot 53 OVERVIEW OWNER S SETTINGS 53 Menu structure 55 USING THERMOSTAT 55 How to use thermostat 56 EMERGENCY OPERATION 58 MAINTEN...

Page 5: ...reaker There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product by yourself There is risk of fire or electric shock Always ground the product as per the wiring diagram Do not connect the ground wire to gas or water pipes lightning rod or telephone ground wire There is risk ...

Page 6: ...abel on the product Incorrect refrigerant can prevent the normal operation of the unit Don t use a power cord a plug or a loose socket which is damaged Otherwise it may cause a fire or electrical shock Do not touch operate or repair the product with wet hands There is risk of electric shock or fire Do not place a heater or other heating appliances near the power cable There is risk of fire and ele...

Page 7: ...roduct during operation Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure If strange sounds smell or smoke comes from product immediately turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire Ventilate the product room from time to time when operating it together with a sto...

Page 8: ... Use a vacuum pump or Inert nitrogen gas when doing leakage test or air purge Do not compress air or Oxygen and Do not use Flammable gases Otherwise it may cause fire or explosion There is the risk of death injury fire or explosion The appliance shall be stored in a well ventilated area where the room size corresponds to the room area as specified for operation The appliance shall be stored in a r...

Page 9: ...tion system There is risk of damage or loss of property Do not block the inlet or outlet of air flow It may cause product failure 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 10: ...r depending on the amount of hot water During floor heating operation it is important to limit the minimum maximum water temperature This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsibl...

Page 11: ...llation scene 1 Indoor unit 2 Outdoor unit 3 Refrigerant pipe and connecting cable 4 Water pipe 5 Ground wire to ground outdoor unit to prevent electrical shocks The shape of products can be chaged according to the model capacity and type 4 3 Water Out Water In 1 2 5 ...

Page 12: ... stage Up down left right button When you change the menu s setting value OK button When you save the menu s setting value On Off button When you turn ON OFF the air conditioner NOTE Some functions may not be operated and displayed depending on the product type The actual product can be different from above contents depending upon model type When using simultaneous operation system whenever press ...

Page 13: ...tton to select the category to set and you can control by pressing up down button Menu screen In the main screen press left right button to select the menu and press OK button to move to menu screen In the menu screen press left right button to select the category to set and press OK button to move to the detail screen ...

Page 14: ... screen of the menu as in the box in the left figure when icons are displayed at the same time you can immediately apply the setting value by pressing left right button For the values that can be set in each category refer to the detail manual for each function In each detail screen of the menu as in the box in the left figure if only icon is displayed you can move to the detail setting screen by ...

Page 15: ...SH Monitoring In the main screen you can enter the monitoring screen by pressing Back button In the monitoring screen you can check the following information The room temperature The water inlet outlet temperature The water pump operation ...

Page 16: ...ess the remote controller s On Off button If the product is in operation On Off button will be illuminated If the product is in off On Off button backlight will be off Operation mode You can easily control the desired operation mode In the main screen press left right button to select the operation mode or home leave or hold category and press up down button to set the operation mode Some products...

Page 17: ...xceeds the setpoint If your unit is operating in cooling mode and you press the On Off button the cooling operation will shut off NOTE The compressor starts after 3 minutes and the cold wind comes out In the cooling operation you can select the desired temperature in the range of 5 C 27 C The favorable temperature difference between the water inlet temperature and outlet temperature is 5 C What is...

Page 18: ...han the water temperature Water temperature is displayed on the default screen of the remote controller When the desired temperature is set lower than the water temperature warm water doesn t come out If your unit is operating in heating mode and you press the On Off button the heatling operation will shut off NOTE In the heating operation you can select the desired temperature in the range of 15 ...

Page 19: ...house will increase automatically in order to keep same room temperature All parameters will be set by installer during start up procedure and will be adapted to the site characteristic 1 Select AI Auto mode 2 Select the desired temperature category 3 Adjust the desired temperature level by press up down button NOTE Decreasing temperature profile by 3 C based on room air temperature Temperature ad...

Page 20: ...ion is activated in installer mode Leaving water temperature If the desired temperature is lower than the water temperature the heating is not performed Set the desired temperature higher than the water temperature DHW tank temperature DHW tank temperature setting is available when DHW tank is installed Water inlet temperature This operation is changed to the temperature sensor only the inlet temp...

Page 21: ...21 TEMPERATURE SETTING ENGLISH Select Temperature Sensor There are 3 sensor options air only leaving water only and air water in installer mode ...

Page 22: ...the time to reach target DHW tank temperature by forcibly turning on DHW tank heater After reaching target DHW tank temperature or by user s input to stop Quick DHW Tank Heating mode will be finished 1 Press down Back button for a second focused on DHW Heating Operation NOTE This function is not used when the DHW tank is not installed If you want to know more information refer function on installa...

Page 23: ...ring screen by pressing Back button Mode Description Room temperature View room temperature Inlet temperature View inlet temperature Outlet temperature View outlet temperature DHW temperature View DHW temperature Only displayed when DHW heating mode Solar heat temperature View solar power temperature Only displayed when DHW water heating mode ...

Page 24: ...rature Room 2 temperature View room 2 temperature Inlet temperature View inlet temperature Outlet temperature View outlet temperature DHW temperature View DHW temperature Only displayed when DHW heating mode Solar heat temperature View solar power temperature Only displayed when DHW water heating mode ...

Page 25: ...wired remote controller OK Mode Description All Lock It locks all button operation of the remote controller On Off Lock It locks the On Off button operation of the remote controller Mode Lock lock It locks the operation mode button operation of the remote controller DHW Lock lock It locks the DHW On Off button operation of the remote controller NOTE In the central controller when the central contr...

Page 26: ... press OK button to move to the timer setting list screen In the timer setting list screen press up down button to select the timer to set and press OK button to move to the detail screen After setting the value when you press OK button the timer is activated After setting the value if you press Back button the changed value will not be applied OK ...

Page 27: ...hour OK NOTE If the product operation is On the easy timer turns off the operation after the corresponding time If the product operation is Off the easy timer turns on the operation after the corresponding time If the easy timer operation is turned On Off before the timer operation the set timer will be cleared ...

Page 28: ...ct is automatically turned On at the set timer time It provides 2 Time formats 12Hours AM PM or 24Hours reference NOTE Even if the Turn on Reseravation operation is turned On Off after the setting and before the timer operation the set timer is not cleared ...

Page 29: ...ct is automatically turned Off at the set timer time It provides 2 Time formats 12Hours AM PM or 24Hours reference NOTE Even if the Turn off Reservation operation is turned On Off after the setting and before the timer operation the set timer is not cleared ...

Page 30: ...tting list screen In the schedule setting list screen press up down button to select the menu to set and press OK button to move to the detail screen There are 3 options in schedule formula depending on product function Room Hot water Heater of hot water tank OK NOTE Even though there is a heater of hot water tank schedule option It cannot be activated in case of sterilization operation ...

Page 31: ...controller s left right button to check the timer information of other dates You can use the remote controller s up down button to check the corresponding date s other timer information Select the timer information and press OK button to move to the corresponding timer s edit screen NOTE In the daily schedule status screen even if the timer schedule is set if the corresponding date is designated a...

Page 32: ...controller s left right button to check other date s timer information You can edit the saved schedule s timer information Select the schedule to edit using up down button and press OK button to move to the edit screen Select the timer information and press OK button to move to the corresponding timer s edit screen You can check the set timer s operation information operation On Off operation mode...

Page 33: ...eekend Weekdays Individual selection In Stage 3 it sets the start time for the timer In Stage 4 it sets the timer operation information If Stop is selected you cannot set the mode temperature When stages 1 4 are completed along with the message of schedule is added it moves to View and edit schedule screen Stage 1 Period setting Stage 2 Day of week setting Stage 3 Time setting Stage 4 Operation se...

Page 34: ...ete the exception day information saved in the remote controller To add an exception day in the Exception day registration detail screen designate year month day and press OK button to save the Exception day Select the Exception day to edit using up down button and press OK button to move to the edit screen In the exception day edit screen you can check delete change the corresponding exception da...

Page 35: ...tes power or calorie data to create data for energy monitoring and energy warning alarm pop ups This function can be activated in installer mode There are 2 options modbus address and unit in this function Activating the modbus address option you choose one address B0 or B1 or don t use Then you set the port and specification in range of 0000 0 9999 9 pulse kW as shown in the figure below OK ...

Page 36: ...d power during the week month year Opening Energy option these are presented on screen The information includes instantaneous power as well as power calorie usage and up to annual trend In addition various energy settings are possible as shown below Current value reaches to defined target value It alerts to you on display ...

Page 37: ...t the bottom you need to enter the function setting menu as follows In the menu screen press left right button to select the setting category and press OK button to move to the setting list In the setting list select the function setting category and press OK button to move to the function setting list OK ...

Page 38: ...It is the function to control remotely through network with indoor unit Water Temperature Setting If you choose Leaving Inlet water temperature control way This option is activated on screen It is the function to set target water temperature 3RD Party Boiler It is the function to linkage the boiler of other companies this function can be activated after setting every value in installer mode ...

Page 39: ...are the same it enters the outdoor unit low noise operation mode and in the monitoring screen in outdoor unit low noise operation mode message is displayed If the end time and the current time are the same the outdoor unit low noise operation mode is cleared NOTE Low noise mode time setting function can be set only when the installer setting s outdoor unit function M S setting is set to Master Low...

Page 40: ...40 FUNCTION SETTING ENGLISH Wi ﬁ Pairing It is the function to control remotely through network with indoor unit OK ...

Page 41: ...tting If you choose air water temperature control way This option is listed up on function setting display It is the function to set target water temperature NOTE This function is not default It can be activated after setting value in installer mode ...

Page 42: ...ual you can set temperature of the boiler and hysteresis respectively AS shown above After every setting is completed in installer mode 3rd party boiler option is activated in function list On off mode of this option are opened by pushing or button simply and easily NOTE This function is not default It can be activated after setting value in installer mode ...

Page 43: ...troller Temperature unit setting Set the temperature unit displayed on the remote controller Screen saver timer setting Adjust the screen Off time of the remote controller LCD brightness in idle setting Adjust the remote controller s screen brightness Date setting Set the date displayed on the remote controller Time setting Set the time displayed on the remote controller Summer time setting Set th...

Page 44: ...etting list select the language category and press OK button to move to the detail screen After the setting if you press OK button the setting is saved and moves to the previous screen Language 한국어 English Français Deutsche Italiano Español Русский Polski Português 中国 Čeština Türk Nederlands Românesc ελληνικά OK ...

Page 45: ...r In the user setting list select the temperature unit setting category and press OK button to move to the detail screen Value Celsius Fahrenheit OK CAUTION The temperature unit function may not work or work differently in some products You cannot set the temperature unit in the slave wired remote controller ...

Page 46: ...ight button LCD Brightness In Idle setting Adjust the remote controller s screen brightness Select the following setting values using left right button Value 0 10 default 20 30 CAUTION Selecting brighter stand by screen will decrease LCD lifespan Value 15seconds 30seconds default 1min CAUTION Selecting longer stand by screen will decrease LCD lifespan ...

Page 47: ... the date displayed on the remote controller In the user setting list select the date category and press OK button to move to the detail screen After the setting if you press OK button the setting is saved and moves to the previous screen OK ...

Page 48: ...r In the user setting list select the time category and press OK button to move to the detail screen After the setting if you press OK button the setting is saved and moves to the previous screen In the screen Time display can be presented in the form of AM PM or 24 hours standard OK ...

Page 49: ...y and press OK button to move to the detail screen Summer time The system to advance the time by 1 hour from the spring when the day is longer and return back in the fall when the day gets shorter When it becomes AM 02 00 on the DST start date the current time changes to AM 03 00 and when it becomes AM 02 00 of the DST end date the current time changes to AM 01 00 OK ...

Page 50: ...ser password setting category and press OK button to move to the detail screen If the password is set when you enter menu setting you need to input password to enter the setting list When you forgot the password you can initialize the password using the installer setting s password initialization The initialized password is 0000 OK ...

Page 51: ...in the remote controller In the user setting list select the schedule initialization setting category and press OK button to move to the detail screen Press the check button to initialize the sleep simple timer on off timer schedule and exception date in the remote controller OK ...

Page 52: ...Restart the remote controller In the user setting list select the system restart setting category and press OK button to move to the detail screen In the detail screen when you press OK button a popup message is displayed press the check button to restart the system For forced reset press down On Off Back button for 5 seconds to restart the system OK ...

Page 53: ...Simple Timer Turn On Reservation Turn Off Reservation Daily Schedule Schedules Edit Exception Day Timer Schedule Lock 27 28 29 31 32 33 36 36 36 25 25 25 Instantaneous Power Power Calorie Energy Setting Energy Function Setting Low Noise Mode Time Wi fi Pairing 3rd Party Boiler Water Temperature Setting 39 40 41 42 ...

Page 54: ...IEW OWNER S SETTINGS ENGLISH Summer Time Password Schedule Initialization Theme System Reboot Date Time User Language Temperature Unit Screen Saver Timer LCD Brightness In Idle 44 45 46 46 47 48 49 50 51 52 53 ...

Page 55: ...f is limited to the thermostat How to use thermostat To find how to turn on and off how to set target temperature how to change operating mode etc please refer thermostat operating manual provided by thermostat manufacturer CAUTION Some electro mechanical type thermostat has internal delay time to protect compressor In that case mode change can takes time more than user s expectation Please read t...

Page 56: ... case this trouble is concerned with sensor problems The unit is operating under emergency mode operation level 1 Heavy trouble Compressor cycle trouble Emergency mode operation level 2 is performed by optional electric heater Option trouble a problem is found for option operation such as water tank heating In this trouble the troubled option is assumed as if it is not installed at the system Emer...

Page 57: ...ency operation mode When sanitary water is not warming up while emergency operation please check if sanitary water sensor and related wiring are all Ok Emergency operation is not automatically restarted after main electricity power is reset In normal condition the product operating information is restored and automatically restarted after main electricity power is reset But in emergency operation ...

Page 58: ...h breaker safety earth or fuse fails to work properly User must carry routine checkup cleaning to avoid unit s poor performance In case of special situation the job must be carried out by the only service person CAUTION If the product is not used for long time we strongly recommend NOT TO SWITCH OFF THE POWER SUPPLY to the product When the power is applied for the first time operate the product af...

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Summary of Contents for THERMA V Series

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LG THERMA V Series, Owner'S Manual, Page: 1 / 59

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Summary of Contents for THERMA V Series

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