LG Therma V series Owner's Manual
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LG Therma V series 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.
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
MFL68680905
Rev.01_062118
Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.
www.lg.com

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  • Page 1 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 www.lg.com...
  • Page 2 INTRODUCTION INTRODUCTION What is AWHP(Air to Water Heat Pump)? • Air to Water Heat Pump system can be used as various heating solution from floor heating to hot water supply with multiple heat sources. It is 4 times more energy efficient than conventional system.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS INTRODUCTION IMPORTANT SAFETY INSTRUCTIONS PRODUCT INTRODUCTION Typical installation scene Remote controller DESCRIPTION OF THE OPERATION Main screen Menu screen Setting screen Popup screen Monitoring Returning to the screen OPERATION SETTING On / Off Operation mode Cooling operation Heating operation AI / Auto operation...
  • Page 4 TABLE OF CONTENTS METER INTERFACE SETTING Connection path of meter interface Information of meter interface FUNCTION SETTING How to enter function setting Function setting Low Noise Mode Time setting Wi-fi Pairing Water Temperature Setting 3rd Party Boiler USER SETTING How to enter user setting User setting Language setting Temperature Unit setting...

  • Page 5: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS Read the precautions in this manual carefully before operating the unit. This symbol indicates that the Operation Manual should be read carefully. This symbol indicates that a service personnel should be handling this equipment with reference to the Installation Manual.
  • Page 6 IMPORTANT SAFETY INSTRUCTIONS • Do not modify or extend the power cable. If the power cable or cord has scratches or skin peeled off or deteriorated then it must be replaced. - There is risk of fire or electric shock. •...
  • Page 7 IMPORTANT SAFETY INSTRUCTIONS • Make sure to check that the power device is not dirty, loose or broken and then turn on the power. - Dirty, loose or broken power device can cause electric shock or fire. • In unit the step-up capacitor supplies high voltage electricity to the electrical components.
  • Page 8 IMPORTANT SAFETY INSTRUCTIONS • If you touch the pipe or internal parts, you should be wear protection or wait time to return to normal temperature. - Otherwise , it may cause burns or frostbite, personal injury. • Do not touch leaked refrigerant directly. - There is risk of frostbite.
  • Page 9 IMPORTANT SAFETY INSTRUCTIONS CAUTION • Two or more people must lift and transport the product. - Avoid personal injury. • Do not install the product where it will be exposed to sea wind (salt spray) directly. - It may cause corrosion on the product. •...
  • Page 10 IMPORTANT SAFETY INSTRUCTIONS - If air enters the refrigerant system, an excessively high pressure results, causing equipment damage or injury. • If the refrigerant gas leaks during the installation, ventilate the area immediately. - Otherwise it can be harmful for your health. •...

  • Page 11: Product Introduction

    PRODUCT INTRODUCTION PRODUCT INTRODUCTION Typical installation scene Water Water 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.

  • Page 12: Remote Controller

    PRODUCT INTRODUCTION Remote controller Operation display window Back button On/Off button OK button Up/Down/Left/Right button Operation display window Operation and Settings status display When you move to the previous stage from the menu’s Back button setting 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...

  • Page 13: Description Of The Operation

    DESCRIPTION OF THE OPERATION DESCRIPTION OF THE OPERATION Main screen In the main screen, press [<, >(left/right)] button 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.

  • Page 14: Setting Screen

    DESCRIPTION OF THE OPERATION Setting screen Select the category to set using [∧,∨(up/down)] button. In each detail 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.

  • Page 15: Monitoring

    DESCRIPTION OF THE OPERATION 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: Returning To The Screen

    OPERATION SETTING Returning to the screen In the main screen, after moving to the category by pressing [<, >(left/right)] button, if there is no remote controller operation, after 10 seconds, it returns to the main screen basic position. (basic position: indoor temperature display part) In the screens except the main screen, if there is no remote controller operation for 1 minute, it moves to the main screen.

  • Page 17: Cooling Operation

    OPERATION SETTING Cooling operation Cooling operation’s minimum setting temperature is 5°C. • The desired temperature can be controlled in the units of 1°C. - Set the desired temperature lower than the water temperature. - water temperature is displayed on the default screen of the remote controller. - If the setpoint is set higher than the water temperature, then the unit will remain in the cool mode but will not begin to cool the water temperature exceeds the setpoint.

  • Page 18: Heating Operation

    OPERATION SETTING Heating operation The heating operation’s minimum setting temperature is 15°C. • The desired temperature can be controlled in the units of 1°C. - Set the desired temperature higher than 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.

  • Page 19: Ai / Auto Operation

    OPERATION SETTING AI / Auto operation This mode is only applied to heating. In order to save energy and to give highest comfort, setting temperature will follow outside temperature. If outdoor temperature decreases, heating capacity for the house will increase automatically in order to keep same room temperature.

  • Page 20: Temperature Setting

    TEMPERATURE SETTING TEMPERATURE SETTING Controlling desired temperature You can easily control to the desired temperature. • In the main screen, press [<, > (left/right)] button to select the desired temperature category, and press [∧,∨(up/down)] button to set the desired temperature. - In the cooling, heating, and AI/auto mode, the desired temperature control is possible.

  • Page 21: Select Temperature Sensor

    TEMPERATURE SETTING Select Temperature Sensor There are 3 sensor options, air only, leaving water only, and air+water in installer mode.

  • Page 22: Dhw Heating Operation

    TEMPERATURE SETTING DHW heating operation Funtion to set whether or not to use a installed DHW tank NOTE • This function is not used when the DHW tank is not installed. • If you want to know more information, refer function on installation information section. Quick DHW tank heating If there is urgent DHW heating demand, Quick DHW Tank Heating mode can be used to reduce the time to reach target DHW tank temperature by forcibly turning on DHW tank heater.

  • Page 23: View Temperature

    TEMPERATURE SETTING View temperature General mode You can check the current temperature. • In the main screen, you can enter the monitoring screen by pressing [Back] button. Mode Description Room View room temperature temperature Inlet View inlet temperature temperature Outlet View outlet temperature temperature View DHW temperature...
  • Page 24 TEMPERATURE SETTING circuit mode Mode Description Room 1 View room 1 temperature temperature Room 2 View room 2 temperature temperature Inlet View inlet temperature temperature Outlet View outlet temperature temperature View DHW temperature temperature (Only displayed when DHW heating mode) View solar power temperature Solar heat temperature...

  • Page 25: Lock Setting

    LOCK SETTING LOCK SETTING How to enter Lock setting • In the menu screen, press [<,>(left/right)] button to select “lock setting” category, and press [OK] button to move to the lock setting list screen. • In the lock setting list, if you press [∧ ,∨(up/down)] button, you can turn on/off the corresponding lock function.

  • Page 26: Timer Setting

    TIMER SETTING TIMER SETTING Timer entrance and setting method • In the menu screen, press [<,>(left/right)] button to select the timer category, and 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.

  • Page 27: Simple Timer

    TIMER SETTING Simple Timer You can easily set the timer in the range of 1~7 hours in the units of 1 hour. 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.

  • Page 28: Turn-On Reservation

    TIMER SETTING Turn-On Reservation The product 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: Turn-Off Reservation

    TIMER SETTING Turn-Off Reservation The product 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: Schedule Setting

    SCHEDULE SETTING SCHEDULE SETTING How to enter schedule • In the menu screen, press [<,>(left/right)] button so select the schedule category, and press [OK] button to move to the schedule setting 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.

  • Page 31: Daily Schedule

    SCHEDULE SETTING Daily schedule It is the function that can check the status of the timer (schedule) saved in the remote controller. • In the schedule list, select the daily schedule status category, and press [OK] button to move to the detail daily schedule status screen.

  • Page 32: Schedules & Edit

    SCHEDULE SETTING Schedules & Edit It is the function that can check the status of the timer (schedule) saved in the remote controller. • In the schedule list, select the daily schedule status category, and press [OK] button to move to the daily schedule status detail screen.

  • Page 33: Schedules & Edit - Add Schedule

    SCHEDULE SETTING Schedules & Edit – add schedule Description of each stage in Add schedule Stage 1. Period setting Stage 2. Day of week setting Stage 3. Time setting Stage 4. Operation setting Add schedule is completed In ‘Stage 1’, it sets the period to perform the timer. In ‘Stage 2’, it sets the day of week to perform the timer.

  • Page 34: Exception Day

    SCHEDULE SETTING Exception day It is the function to automatically stop the operation on the set timer day. • In the schedule list, select the exception day category, and press [OK] button to move to the Exception day designation detail screen. •...

  • Page 35: Meter Interface Setting

    METER INTERFACE SETTING METER INTERFACE SETTING Connection path of meter interface It is the function that can check the status of energy and power on screen. It collects and calculates power or calorie data to create data for energy monitoring and energy warning alarm pop-ups.

  • Page 36: Information Of Meter Interface

    METER INTERFACE SETTING Information of meter interface It provides useful information on the mount of energy and 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 .

  • Page 37: Function Setting

    FUNCTION SETTING FUNCTION SETTING How to enter function setting To enter the menu displayed at 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.

  • Page 38: Function Setting

    FUNCTION SETTING Function setting Menu Description It is the function to set the start and end time of the outdoor unit’s Low Noise Mode Time low noise mode operation. Wi-Fi Pairing It is the function to control remotely through network with indoor unit. If you choose (Leaving/Inlet) water temperature control way, This Water Temperature option is activated on screen.

  • Page 39: Low Noise Mode Time Setting

    FUNCTION SETTING Low Noise Mode Time setting It is the function to set the start and end time of the outdoor unit’s low noise mode operation. • In the function setting list, select the Low Noise Mode Time category, and press [OK] button to move to the detail screen.

  • Page 40: Wi-Fi Pairing

    FUNCTION SETTING Wi-fi Pairing It is the function to control remotely through network with indoor unit.

  • Page 41: Water Temperature Setting

    FUNCTION SETTING Water Temperature Setting NOTE This function is not default. It can be activated, after setting value in installer mode. 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.

  • Page 42: 3Rd Party Boiler

    FUNCTION SETTING 3rd Party Boiler NOTE This function is not default. It can be activated, after setting value in installer mode. Function to set whether or not to use a installed 3rd Party function. If the mode of this function is set to “Manual”, you can set temperature of the boiler and hysteresis, respectively.

  • Page 43: User Setting

    USER SETTING USER SETTING How to enter user setting To enter the menu displayed at the bottom, you need to enter the user setting menu as follows. • Select the setting category, and press [OK] button to move to the setting list. •...

  • Page 44: User Setting

    USER SETTING Language setting Set the language to be displayed on the remote controller. • In the user setting 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.

  • Page 45: Temperature Unit Setting

    USER SETTING Temperature Unit setting Set the temperature unit displayed on the remote controller. • In the user setting list, select the temperature unit setting category, and press [OK] button to move to the detail screen. Celsius Value Fahrenheit CAUTION The temperature unit function may not work or work differently in some products.

  • Page 46: Screen Saver Timer Setting

    USER SETTING Screen Saver Timer setting Adjust the screen Off time of the remote controller. • Select the following setting values using [<,>(left/right)] button. Value 15seconds 30seconds (default) 1min CAUTION Selecting longer stand by screen will decrease LCD lifespan. LCD Brightness In Idle setting Adjust the remote controller’s screen brightness.

  • Page 47: Date Setting

    USER SETTING Date setting Set 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.

  • Page 48: Time Setting

    USER SETTING Time setting Set the time displayed on the remote controller. • 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.

  • Page 49: Summer Time Setting

    USER SETTING Summer Time setting Set the daylight savings time dates in the remote controller. • In the user setting list, select the summer time setting category, 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.

  • Page 50: Password Setting

    USER SETTING Password setting Set the password to prevent unauthorized change to remote controller settings. • Select the user 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.

  • Page 51: Schedule Initialization

    USER SETTING Schedule Initialization Initialize all timer settings 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.

  • Page 52: Theme Setting

    USER SETTING Theme setting Set the theme of the remote controller screen. • Select either white or black using [<,>(left/right)] button. System Reboot 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.

  • Page 53: Overview Owner's Settings

    OVERVIEW OWNER’S SETTINGS OVERVIEW OWNER’S SETTINGS Menu structure Menu Lock ................25 All Lock ................25 On/Off Lock ................25 Mode Lock Timer ................27 Simple Timer ................28 Turn-On Reservation ................29 Turn-Off Reservation Schedule ................31 Daily Schedule ................32 Schedules & Edit ................33 Exception Day Energy ................36 Instantaneous Power...
  • Page 54 OVERVIEW OWNER’S SETTINGS User ......44 Language ......45 Temperature Unit ......46 Screen Saver Timer ......46 LCD Brightness In Idle ......47 Date ......48 Time ......49 Summer Time ......50 Password ......51 Schedule Initialization ......52 Theme ......53 System Reboot...

  • Page 55: Using Thermostat

    The term "thermostat", which is widely used in this chapter, is a kind of 3rd party accessory. LG Electronics does not supply thermostat and it should be supplied 3rd party manufacturers. Room thermostat can be used for easy and convenience control. To utilize thermostat more efficiently and correctly, this chapter presents information about using thermostat.

  • Page 56: Emergency Operation

    EMERGENCY OPERATION EMERGENCY OPERATION • 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 57 EMERGENCY OPERATION • Duplicated trouble : Option trouble with slight or heavy trouble - If option trouble is occurred with slight (or heavy) trouble at the same time, the system puts higher priority to slight (or heavy) trouble and operates as if slight (or heavy) trouble is occurred. - Therefore, sometimes sanitary water heating can be impossible in emergency operation mode.

  • Page 58: 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.

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