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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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LG
Air-to-Water Heat Pump
Owner's Manual
Dear Owner
Thank you for installing LG Air-to-Water Heat Pump.
Your best choice guarantees you a great
performance and service to make your life
comfortable & pleasant.
IMPORTANT
• Please read this owner's manual carefully and
thoroughly before installing and operating your
Air-to-Water Heat Pump.
• Please retain this owner's manual for future
reference after reading it thoroughly.
LG

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Summary of Contents for LG ThermaV

  • Page 1 Air-to-Water Heat Pump Owner's Manual Dear Owner Thank you for installing LG Air-to-Water Heat Pump. Your best choice guarantees you a great performance and service to make your life comfortable & pleasant. IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your Air-to-Water Heat Pump.

  • Page 2: Table Of Contents

    Air-to-Water Heat Pump Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS A. Safety Precautions......3 Write the model and serial numbers here: B. Product Introduction......6 Model # C. Installation instruction....8 Serial # You can find them on a label on the side of each D.

  • Page 3: Safety Precautions

    Safety Precaution Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I 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 Precaution Indoor/outdoor wiring connections must Safely dispose off the packing materials. Make sure to check that the power be secured tightly and the cable should Like screws, nails, batteries, broken device is not dirty, loose or broken and be routed properly so that there is no things etc after installation or service then Turn on the power.
  • Page 5 Safety Precaution CAUTION Two or more people must lift and Do not install the product where it will be Keep level even when installing the transport the product. exposed to sea wind (salt spray) directly. product. • Avoid personal injury. •...

  • Page 6: Product Introduction

    Product Introduction Product Introduction Typical Installation Scene Water Water Inlet Outlet 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. 6 Air-to-Water Heat Pump Owner’s Manual...

  • Page 7: Control Panel

    Product Introduction Control Panel 1. Display panel 9. Function setting button 2. Change temperature button 10. Temperature setting button 3. Silent mode On/Off button 11. Temperature view button 4. Operation mode selection button 12. Programming button 5. Water heating Enable/Disable 13.

  • Page 8: Installation Instruction

    Installation instruction Installation instruction Installer Setting -How to enter installer setting mode CAUTION Installer setting mode is to set the detail function of the control panel. If the installer setting mode is not set correctly, it could cause problems to the product, user injury or property damage.
  • Page 9 Installation instruction Installer Setting -Installation Function Code Table Example of Function Code Display Function Code Value #1 Value #2 I Installation Function Code Table Code Item Detail Remark Function Test Run Description Instant cooling operation for charging additional refrigerant Value #1 Note Default Range Value #2 Note...
  • Page 10 Installation instruction Code Item Detail Remark Function Setting Temperature Selection Description Selection for setting temperature as air temperature or leaving water temperature Value #1 Note 01:Air temperature 02:Leaving water temperature Air temperature as setting temperature is ONLY available when remote air sensor Connection is enabled and Function Code 03 is set as 02.
  • Page 11 Installation instruction Code Item Detail Remark Value #2 Note Lower Limit of setting range(FCU is NOT equipped) Default 16°C Range 16~18°C 'Setting Air Function Setting Air Temperature in Heating Mode Temperature' is Description Adjusting range of 'Setting Air Temperature' in heating mode used when user wants to set target Value #1 Note...
  • Page 12 Installation instruction Code Item Detail Remark Function Setting Cut-off Temperature in Cooling Mode (FCU setting included) Description Determine leaving water temperature when the product is turned off. This function is used for preventing condensation on the floor in cooling mode. Value #1 Note Cut-off temperature.
  • Page 13 Installation instruction Code Item Detail Remark Note Starting Date(Sunday:1,Monday:2, ···· ,Saturday:7) Default the disinfection Range 01~07 mode will not be Value #2 Note Starting Time in 24 hours(00~23) operated although Default Value #1 of Code Range 00~23 26 is set as '01'. Function Setting Disinfection Operation •...
  • Page 14 Installation instruction Installer Setting -Test Run Test run should be performed when additional refrigerant charging is required. To charge the refrigerant, the product must run in Cooling mode. Test run instantly makes the product working in Cooling mode for 18 minutes. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code is...
  • Page 15 Installation instruction Installer Setting -Remote Air Sensor Connection If user connects remote air sensor to control the product by room air temperature, the connection information should be notified to the product. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 16 Installation instruction Installer Setting -Celsius (°C) / Fahrenheit (°F) Switching Temperature is displayed in Celsius or Fahrenheit. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment. Repeat pressing button to select Function code 04.
  • Page 17 Installation instruction Installer Setting -Setting Temperature Selection The product can be operated according to air temperature or leaving water temperature. The selection for setting temperature as air temperature or leaving water temperature is determined. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 18 Installation instruction Installer Setting -Dry Contact Auto-Start Setting This function allows the Dry contact-indoor unit operate under Auto Run mode or Manual mode with remote control panel. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 19 Installation instruction Installer Setting - Setting Address of Central Control When Central Controller is installed, address assigning is set by this function. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment. Repeat pressing button to select Function code 07.
  • Page 20 Installation instruction Installer Setting -Setting Air Temperature in Cooling Mode Determine cooling setting temperature range when air temperature is selected as setting temperature. Following instruction shows how to change the range of setting temperature from 18 °C~30°C to 20 °C~25°C. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 21 Installation instruction Installer Setting -Setting Leaving Water Temperature in Cooling Mode Determine cooling setting temperature range when leaving water temperature is selected as setting temperature. Following instruction shows how to change the range of setting temperature from 18 °C~24°C to 15 °C~22°C. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code...
  • Page 22 Installation instruction Installer Setting -Setting Air Temperature in Heating Mode Determine heating setting temperature range when air temperature is selected as setting temperature. Following instruction shows how to change the range of setting temperature from 18 °C~30°C to 20°C~25°C. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 23 Installation instruction Installer Setting -Setting Leaving Water Temperature in Heating Mode Determine heating setting temperature range when leaving water temperature is selected as setting temperature. Following instruction shows how to change the range of setting temperature from 15°C~55°C to 30°C~45 °C. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until...
  • Page 24 Installation instruction Installer Setting-Setting Sanitary Tank Leaving Water Temperature for Sanitary Water Heating Determine heating setting temperature range of water tank leaving water. Following instruction shows how to change the range of setting temperature from 40 °C~50°C to 35°C~65°C. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 25 Installation instruction Installer Setting-Setting Electric Heater On/Off temperature Determine turn-on temperature of internal electric heater. Internal electric heater has two stage turn-on/off condition. That means, one stage electric heater is turned on when outdoor temperature is cold and target temperature is not reached.
  • Page 26 Installation instruction Set the Value #1 by pressing up, down button. Ex) setting Value as Value #1 = '10' Value #2 = '15' Move to Value #2 part by pressing right direction button. Set the Value #2 by pressing up, down button.
  • Page 27 Installation instruction Installer Setting-Setting Cut-off Temperature in Cooling Mode (FCU setting included) Determine leaving water temperature when the product is turned off. This function is used for preventing condensation on the floor in cooling mode. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 28 Installation instruction Installer Setting-Setting Outdoor Temperature range for Weather-dependent operation Determining Outdoor air Temp. concerned with autosetting of setting temperature according to Outdoor air Temp. Two points, x1 and x2 in the Temperature Profile, are chosen. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 29 Installation instruction Installer Setting-Setting Indoor Air Temperature range for Weather-dependent operation Determining setting temperature (by air) concerned with autosetting of setting temperature according to Outdoor air Temp. Two points, y1 and y2 in the Temperature Profile, are chosen. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 30 Installation instruction Installer Setting-Setting Leaving Water Temperature range for Weather-dependent operation Determining setting temperature (by leaving water) concerned with autosetting of setting temperature according to Outdoor air Temp. Two points, y1 and y2 in the Temperature Profile, are chosen. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment.
  • Page 31 Installation instruction Installer Setting-Setting Disinfection Operation Setting values, such as enable/disable and starting time about Disinfection operation are decided. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment. Repeat pressing button to select Function code 26.
  • Page 32 CAUTION Sanitary water heating should be enable Press Silent Mode Button. • If sanitary water heating is disable, the This button ON or OFF silent mode. disinfection mode will not be operated although Value #1 of Code 26 is set as '01'.
  • Page 33 Installation instruction Installer Setting-Setting Disinfection Operation Setting values, such as heating temperature and duration about Disinfection operation are decided. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment. Repeat pressing button to select Function code 27.
  • Page 34 CAUTION Sanitary water heating should be enable Press Silent Mode Button. • If sanitary water heating is disable, the This button ON or OFF silent mode. disinfection mode will not be operated although Value #1 of Code 26 is set as '01'.
  • Page 35 Installation instruction Installer Setting-Setting Control parameter for Sanitary Water Heating Operation Temperature conditions for Water Tank Heating are determined. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment. Repeat pressing button to select Function code 28.
  • Page 36 Installation instruction Installer Setting-Setting Control parameter for Sanitary Water Heating Operation Temperature condition and Heating priority for Water Tank Heating are determined. Keep pressing Function Setting button for 3 seconds to enter installer setting mode until code displayed in timer segment. Repeat pressing button to select Function code 29.
  • Page 37 Installation instruction - Example : If user’s target temperature is set as ’70’ and Value #1 is set as ‘3’, then the water tank heater will be turned off when the water temperature is above 73 °C. The water tank heater will be turned on when the water temperature is below 70 °C.

  • Page 38: Owner's Instruction

    Owner's instruction Owner's instruction Monitoring Information AUXILIARY SOLAR THERMAL PUMP This icon indicates that auxiliary solar thermal pump is active. NOTE : As installation of auxiliary solar thermal pump is not compulsory but recommendation according to field condition, this icon can be seen although no auxiliary solar thermal pump is installed.
  • Page 39 Owner's instruction Monitoring Information NO FUNCTION Child Lock Outdoor This icon indicates that the outdoor unit is active. Disinfection This icon indicates disinfecting operation is ongoing in sanitary water tank. Maintain lowest temperature The purpose of this mode is maintaining the temperature to prevent damage by freezing of water pipe.
  • Page 40 Owner's instruction Monitoring Information Heavy trouble This icon indicates that heavy trouble is occurred. Slight trouble This icon indicates that slight trouble is occurred. Thermostat This icon indicates connection with thermostat. Central Controller This icon indicates that the product is controlled by the central controller.
  • Page 41 Owner's instruction Mode Change Turn on the product and select operation mode. Press Power Button to turn on the product. Press OPER MODE Button to select each operation mode. : Cooling operation : Heating operation : Weather dependent operation Operation Mode •...
  • Page 42 Owner's instruction Selecting Target Temperature You can set the proper temperature each mode. Press Power Button to turn on the product. Press SET TEMP Button to select each operation mode. : Room Temperature : Leaving Water Temperature : Sanitary Water Tank Temperature <Room Temperature and Sanitary Water Tank Temperature mode could be selected when Remote...

  • Page 43: Cooling Mode

    Owner's instruction Cooling Mode In this mode, cooling operation is activated to achieve the temperature set point. Press Power Button to turn on the product. Press Mode Selection Button to select Cooling operation mode. : Cooling operation icon Please refer to the manual of product. Adjust desired temperature by pressing Change Temperature buttons on each mode.

  • Page 44: Heating Mode

    Owner's instruction Heating Mode In this mode, heating operation is activated to achieve the temperature set point. Press Power Button to turn on the product. Press Mode Selection Button to select Heating operation mode. : Heating operation icon Adjust desired temperature by pressing Change Temperature buttons.
  • Page 45 Owner's instruction Weather-dependent Operation In this mode, setting temperature is adjusted automatically depand on outside temperature. (ONLY applied to Heating mode.) Press Power Button to turn on the product. Press Mode Selection Button to select External Control operation mode. : Weather Dependent operation icon Adjust the desired temperature level by pressing Change Temperature buttons.
  • Page 46 Owner's instruction View Temperature Press repeatedly View Temperature Button to select each Temperature. : View Room Temperature : View Inlet Temperature : View Outlet Temperature : View Sanitary Water Temperature : View Solar Power Temperature Whenever press View Temperature button, the room temperature will be displayed during 5seconds.
  • Page 47 Owner's instruction Sanitary Water Heating Operation Press repeatedly View Temperature Button to select each Temperature. <Sanitary Water Heating Disable> <Sanitary Water Heating enable> Sanitary water heating operation is operating only on enable condition. During operation, segment will be on. <Sanitary Water Heating ON> <Note>...
  • Page 48 Owner's instruction Silent Mode Operation Silent mode operation is that the outdoor unit works at reduced capacity so that the noise produced by the outdoor unit drops. Press Silent Mode Button. This button ON or OFF silent mode. <Silent Mode OFF> <Silent Mode ON>...
  • Page 49 Owner's instruction Child Lock This function is to prevent children or other people from using controller. Press Function Setting Button to enter user setting mode. (The segment will be flashed) Press set / clear button to finish the selection. The segment will be disappear. During Child Lock, icon and 'CL' will be displayed during 3 seconds whenever...
  • Page 50 Owner's instruction Error code display When the error is occurred on indoor unit, the error code will be displayed on control panel. Slight trouble A problem is found inside the indoor unit. In most case, this trouble is concerned with sensor problems.
  • Page 51 Owner's instruction Setting Current Time You can set current time. Keep pressing programming button for 3 seconds to enter Setting current time mode. Ex) Changing Current Time as 'Monday / PM 10:20'. Press left, right button to adjust the current day.
  • Page 52 Owner's instruction Press right button to move to 'Minute' part. (the 'Minute' segment will be flashed) Press up, down button to adjust the Minutes. If you finish the setting, press set / clear button . Press exit button to exit or system will automatically release without any input after 25 seconds.
  • Page 53 Owner's instruction Programming : Setting Simple Reservation You can easily turn-on reservation. Press programming button to enter the Programming mode. (the segment flashing) Ex) Setting Simple Reservation time as '3' hours. Press up, down button to adjust the reservation time. If you finish the setting, press setting/cancel button to complete programming.
  • Page 54 Owner's instruction Programming : Setting Sleep Reservation You can easily turn-off(sleep) reservation. Press programming button to enter the Programming mode. Repeat pressing button to select [sleep reservation]. (the segment flashing) Ex) Setting Simple Reservation time as '3' hours. Press up, down button to adjust the reservation time.
  • Page 55 Owner's instruction Programming : Setting ON Reservation This function is able to turn-on after a setting time. Press programming button to enter the Programming mode. Repeat pressing button to select [on reservation]. (the segment flashing) Ex) Setting On Reservation time as PM 10:20. Press up, down button to adjust AM / PM.
  • Page 56 Owner's instruction Press right button to move to 'Minute' part. (the 'Minute' segment will be flashed) Ex) Setting On Reservation time as PM 10:20. Press up, down button to adjust the Minutes. If you finish the setting, press setting/cancel button to complete programming. Press exit button to exit or system will automatically release without any input after 25 seconds.
  • Page 57 Owner's instruction Programming : Setting OFF Reservation This function is able to turn-off after a setting time. Press programming button to enter the Programming mode. Repeat pressing button to select [off reservation]. (the segment flashing) Ex) Setting Off Reservation time as PM 11:20. Press up, down button to adjust AM / PM.
  • Page 58 Owner's instruction Press right button to move to 'Minute' part. (the 'Minute' segment will be flashed) Press up, down button to adjust the Minutes. If you finish the setting, press setting/cancel button to complete programming. Press exit button to exit or system will automatically release without any input after 25 seconds.
  • Page 59 Owner's instruction Programming : Weekly Reservation The weekly reservation is active after setting current time. Press programming button to enter the Programming mode. Repeat pressing button to select [Weekly reservation]. (The segment will be flashed) Ex) Setting one action as below. - Day : TUE - ON Time : 11:30 AM - OFF Time : 12:30 PM...
  • Page 60 Owner's instruction Press up, down button to adjust the Hour on Start Time section. Press right button to move to 'Minute' Part on Start time section. (The 'Minute' segment will be flashed) Press up, down button to adjust the Minute on Start Time section.
  • Page 61 Owner's instruction Please refer the process from No.5 to No.7 for setting OFF Time. It is same method. If you finish the setting, press setting/cancel button to complete programming. The under bar segment will be created, when it finished. Press exit button to exit or system will automatically release without any input after 25 seconds.
  • Page 62 Owner's instruction Programming : Holiday Reservation This function is to automatically stop the machine working on some days. Press programming button to enter the Programming mode. Repeat pressing button to select [Holiday reservation]. (The segment will be flashed) Ex) Setting holiday on Friday. Press left, right button to adjust the current day.

  • Page 63: Using Thermostat

    Using Thermeostat Using Thermeostat Room thermostat can be used for easy and convenience control. To utilize thermostat more efficiently and correctly, this chapter presents information about using thermostat. CAUTION 1. NEVER USE 230V AC Thermostat and 24V AC Thermostat at the same time. If used together, it causes short-circuit and yields power cut-off by circuit breaker.
  • Page 64 Using Thermeostat 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. Operating Thermostat with Control Panel • Following features are permitted when thermostat is installed : •...
  • Page 65 Using Thermeostat How to use Thermostat • Definition of terms - Trouble : a problem which can stop system operation, and can be resumed temporally under limited operation without certificated professional's assist. - Error : problem which can stop system operation, and can be resumed ONLY after certificated professional's check.
  • Page 66 Using Thermeostat • Following features are permitted in emergency operation : Operation On/Off VIEW TEMP button(*) Temperature adjust button (*) Sanitary water heating Enable / Disable (*) : Temperature measured by failed sensor is displayed as ‘- -’. (*) : Adjusted temperature is only used to control electric heater on / off condition. The product does not turn on / off according to the setting temperature at the control panel.

  • Page 67: Maintenance And Service

    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 LG technician. When the unit is not going..
  • Page 68 Maintenance and Service Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service..If the malfunction persist, please contact Case Explanation See page • Have you made a mistake in timer AWHP does not operate. operation? •...

  • Page 69: Disposal Requirements

    Disposal Requirements Disposal Requirements Dismantling of the unit, treatment of the refrigerant, of oil and of other parts must be done in accordance with relevant local and national legislation. Your product is marked with this symbol. This means that electrical and electronic products shall not be mixed with unsorted household waste.
  • Page 70 P/No.: MFL57490701 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

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