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Summary of Contents for LG Therma V HN1600MC
- 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. Original instruction www.lg.com MFL68680905 Rev.13_052024 Copyright © 2017 - 2024 LG Electronics Inc. All Rights Reserved.
- Page 2 Troubleshooting Tips first, you may not need to call for service at all. How to find additional model information Energy Labels and Product Fiches for all possible combinations can be found at https://www.lg.com/global/support/cedoc/cedoc. Search for outdoor unit name in cedoc page. For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes.
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Page 3: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS INTRODUCTION SAFETY INSTRUCTIONS PRODUCT INTRODUCTION Typical installation scene (For Split) Typical installation scene (For Hydrosplit 1-Pipe) Typical installation scene (For Hydrosplit 2-Pipe) Remote controller Related Information DESCRIPTION OF THE OPERATION Main screen Menu screen Setting screen Popup screen Monitoring (For Split R32 Indoor unit 4 Series, For Split R410A Indoor unit 3 Series) - Page 4 TABLE OF CONTENTS DHW Recirculation Schedule (For Split Indoor unit 5 Series, Hydrosplit 2-Pipe) ENERGY MONITORING SETTING (For Split Indoor unit 5 Series, Hydrosplit 2-Pipe) Energy Monitoring Setting Information of Energy Monitoring METER INTERFACE SETTING Connection path of meter interface Information of meter interface FUNCTION SETTING How to enter function setting...
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Page 5: Safety Instructions
SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS Read the precautions in this manual This appliance is filled with carefully before operating the unit. flammable refrigerant (R32) This symbol indicates that a service This symbol indicates that the personnel should be handling this Operation Manual should be read equipment with reference to the carefully. - Page 6 SAFETY INSTRUCTIONS • 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.
- Page 7 SAFETY INSTRUCTIONS • Do not place a heater or other heating appliances near the power cable. - There is risk of fire and electric shock. • Do not allow water to run into electric parts. Install the unit away from water sources. - There is risk of fire, failure of the product, or electric shock.
- Page 8 SAFETY INSTRUCTIONS • 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 stove, or heating element etc.
- Page 9 SAFETY INSTRUCTIONS • 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. •...
- Page 10 SAFETY INSTRUCTIONS • Keep level even when installing the product. - To avoid vibration or noise. • Do not install the product where the noise or hot air from the unit could damage or disturb the neighborhoods. - It may cause a problem for your neighbors and hence dispute. •...
- Page 11 • During floor heating operation it is important to limit the minimum/maximum water temperature. • If anyone other than a licensed Professional installs, repairs, or alters LG Electronics Air Conditioning Products, the warranty is voided. - All costs associated with repair are then the full responsibility of the owner.
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Page 12: Product Introduction
PRODUCT INTRODUCTION PRODUCT INTRODUCTION Typical installation scene (For Split) 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. 6. Remote controller *The shape of products can be changed according to the model capacity and type. -
Page 13: Typical Installation Scene (For Hydrosplit 1-Pipe)
PRODUCT INTRODUCTION Typical installation scene (For Hydrosplit 1-Pipe) Water Water Water Water 1. Indoor unit 2. Outdoor unit 3. Connecting cable 4. Water pipe 5. Ground wire to ground outdoor unit to prevent electrical shocks. 6. Remote controller *The shape of products can be changed according to the model capacity and type. -
Page 14: Typical Installation Scene (For Hydrosplit 2-Pipe)
PRODUCT INTRODUCTION Typical installation scene (For Hydrosplit 2-Pipe) Water Water 1. Indoor unit 2. Outdoor unit 3. Connecting cable 4. Water pipe 5. Ground wire to ground outdoor unit to prevent electrical shocks. 6. Remote controller *The shape of products can be changed according to the model capacity and type. -
Page 15: Related Information
For R32 split 4,6kW Model : 15 ~ 55 °C - Energy Labels and Product Fiches for all possible combinations can be found at https://www.lg.com/global/support/cedoc/cedoc. Search for outdoor unit name in cedoc page. - Additional Information : Serial number is refer to the barcode on the product. -
Page 16: 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 17: 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 18: Monitoring (For Split R32 Indoor Unit 4 Series, For Split R410A Indoor Unit 3 Series)
DESCRIPTION OF THE OPERATION Monitoring (For Split R32 Indoor unit 4 Series, For Split R410A Indoor unit 3 Series) 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 19: Monitoring (For Split Indoor Unit 5 Series, For Hydrosplit)
DESCRIPTION OF THE OPERATION Monitoring (For Split Indoor unit 5 Series, For Hydrosplit) 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 - The water flow rate... -
Page 20: Operation Setting
OPERATION SETTING OPERATION SETTING On / Off will be turned on or off. Press 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. -
Page 21: 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 22: Heating Operation
OPERATION SETTING Heating operation • 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 23: Ai / Auto Operation
OPERATION SETTING AI / Auto operation 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. All parameters will be set by installer during start-up procedure and will be adapted to the site characteristic. -
Page 24: 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 25: Select Temperature Sensor
TEMPERATURE SETTING Select Temperature Sensor There are 3 sensor options, air only, water only, and air+water in installer mode. Sensor Locations are not available on all models. (For Split R32 Indoor unit 4 Series) (For Split Indoor unit 5 Series) (For Split R410A Indoor unit 3 Series) (For Hydrosplit) -
Page 26: Dhw Heating Operation
TEMPERATURE SETTING DHW heating operation Function 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 27: 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. (For Split R32 Indoor unit 4 Series) (For Split Indoor unit 5 Series) (For Split R410A Indoor unit 3 Series) (For Hydrosplit) Mode... - Page 28 TEMPERATURE SETTING circuit mode (For Split R32 Indoor unit 4 Series) (For Split Indoor unit 5 Series) (For Split R410A Indoor unit 3 Series) (For Hydrosplit) Mode Description Room 1 View room 1 temperature temperature Room 2 View room 2 temperature temperature Inlet View inlet water temperature...
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Page 29: 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 30: 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 31: 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 32: 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 Reservation operation is turned On/Off after the setting and before the timer operation, the set timer is not cleared. -
Page 33: Turn-Off Reservation
TIMER SETTING Turn-Off Reservation The product is automatically turned Off at the set timer time. It provides 2 Time formats, 12 Hours(AM/PM) or 24 Hours 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 34: 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 35: 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 36: 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 37: 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 38: 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 39: Dhw Recirculation Schedule (For Split Indoor Unit 5 Series, Hydrosplit 2-Pipe)
SCHEDULE SETTING DHW Recirculation Schedule (For Split Indoor unit 5 Series, Hydrosplit 2-Pipe) It is the function that can check the status of DHW recirculation timer (schedule) saved in the remote controller. • In the schedule list, select the DHW recirculation schedule status category, and press [OK] button to move to the daily schedule status detail screen. - Page 40 SCHEDULE SETTING Description of each stage in Add schedule • Stage 1. Usage setting - It sets the use of the timer setting. - Select ‘Use’ to move on the next stage • Stage 2. Time setting setting - It sets the period to perform the timer. - The end time cannot be earlier than the start time.
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Page 41: Energy Monitoring Setting (For Split Indoor Unit 5 Series, Hydrosplit 2-Pipe)
ENERGY MONITORING SETTING ENERGY MONITORING SETTING (For Split Indoor unit 5 Series, Hydrosplit 2-Pipe) Energy Monitoring Setting It is the function that can check the status of energy and power on screen. It calculates power data to create data for energy monitoring. This function can be activated in installer mode. If the heater of the unit is used, the heater power can be calculated after setting the heater information on remote controller NOTE... -
Page 42: Information Of Energy Monitoring
ENERGY MONITORING SETTING Information of Energy Monitoring It provides useful information on the mount of energy and power during the week/month/year. Opening “Energy “option, these are presented on screen. Instantaneous Power Power / Heat Output The information includes instantaneous power as well as power usage /heat output produced and up to annual trend. -
Page 43: 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 44: 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. Instantaneous Power Power / Heat Output The information includes instantaneous power as well as power usage /heat output produced and up to annual trend. -
Page 45: 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 46: 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 air+water temperature control way, this option is listed- Water Temperature up on function setting display. -
Page 47: Low Noise Mode Time
FUNCTION SETTING Low Noise Mode Time 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 48: Wi-Fi Pairing
FUNCTION SETTING Wi-Fi Pairing It is the function to control remotely through network with indoor unit. -
Page 49: Water Temperature Setting
FUNCTION SETTING Water Temperature Setting If you choose air+water temperature control way, this option is listed-up on function setting display. It is the function to set upper limit of water temperature while controlling the unit based on room air temperature. Value Description Manually setting water target temperature of heating and cooling... -
Page 50: 3Rd Party Boiler
FUNCTION SETTING 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 boiler function. If the mode of this function is set to “Auto”, you can set the activation temperature of the boiler and hysteresis, respectively. -
Page 51: 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 52: Language
USER SETTING Language 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 53: Temperature Unit
USER SETTING Temperature Unit 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. You cannot set the temperature unit in the slave wired remote controller. -
Page 54: Screen Saver Timer
USER SETTING Screen Saver Timer Adjust the screen Off time of the remote controller. • Select the following setting values using [<,>(left/right)] button. Value 15 seconds 30 seconds (default) 1 minute CAUTION Selecting longer stand by screen will decrease LCD lifespan. LCD Brightness In Idle Adjust the remote controller’s screen brightness. -
Page 55: Date
USER SETTING Date 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 56: Time
USER SETTING Time 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 57: Summer Time
USER SETTING Summer Time 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 58: Password
USER SETTING Password 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 59: Schedule Initialization / Schedule Reset
USER SETTING Schedule Initialization / Schedule Reset 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 60: Theme
USER SETTING Theme Set the theme of the remote controller screen. • Select either white or black using [<,>(left/right)] button. Auto return to main screen Set the auto return mode. • Select either On or Off using [<,>(left/right)] button. System Reboot Restart the remote controller. -
Page 61: Overview Owner's Settings
OVERVIEW OWNER’S SETTINGS OVERVIEW OWNER’S SETTINGS Menu structure (For Split R32 Indoor unit 4 Series, For Split R410A Indoor unit 3 Series) Menu Lock ................29 All Lock ................29 On/Off Lock ................29 Mode Lock ................29 DHW Lock Timer ................31 Simple Timer ................32 Turn-On Reservation ................33... - Page 62 OVERVIEW OWNER’S SETTINGS User ......52 Language ......53 Temperature Unit ......54 Screen Saver Timer ......54 LCD Brightness In Idle ......55 Date ......56 Time ......57 Summer Time ......58 Password ......59 Schedule Initialization ......60 Theme ......61 System Reboot...
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Page 63: Menu Structure (For Split Indoor Unit 5 Series, For Hydrosplit)
OVERVIEW OWNER’S SETTINGS Menu structure (For Split Indoor unit 5 Series, For Hydrosplit) Menu Lock ................29 All Lock ................29 On/Off Lock ................29 Mode Lock ................29 DHW Lock Timer ................31 Simple Timer ................32 Turn-On Reservation ................33 Turn-Off Reservation Schedule ................35 Daily Schedule ................36 Schedules &... - Page 64 OVERVIEW OWNER’S SETTINGS User ......52 Language ......53 Temperature Unit ......54 Screen Saver Timer ......54 LCD Brightness In Idle ......55 Date ......56 Time ......57 Summer Time ......58 Password ......59 Schedule Reset ......60 Theme ......60 Auto return to main screen ......60 System Reboot...
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Page 65: Service Setting
SERVICE SETTING SERVICE SETTING How to enter service setting To enter the menu displayed at the bottom, you need to enter the service setting menu as fol- lows. • In the menu screen, press [<,>(left/right)] button to select the setting category, and press [OK] button to move to the setting list. -
Page 66: 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 67: 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 68 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.
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Page 69: 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 71 LG Electronics Inc. Single Point of Contact (EU/UK) : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands Manufacturer : LG Electronics Inc. 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA UK Importer : LG Electronics U.K. Ltd...
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