LG WH20S F5 Owner'S Manual Download Page 1

Page: 1 / 36

www.lg.com

OWNER’S MANUAL

HEAT PUMP

WATER HEATER

Original instruction

MFL71409202

Rev.02_112320

EN ENGLISH

FR FRANÇAIS

DE DEUSTSCH

IT ITALIANO

ES ESPAÑOL
PL POLSKI

Read this owner’s manual thoroughly before operating the

appliance and keep it handy for reference at all times.

Summary of Contents for WH20S F5

Page 1: ...LG Electronics Inc All Rights Reserved Original instruction MFL71409202 Rev 02_112320 EN ENGLISH FR FRANÇAIS DE DEUSTSCH IT ITALIANO ES ESPAÑOL PL POLSKI Read this owner s manual thoroughly before operating the appliance and keep it handy for reference at all times ...

Page 2: ...Connections 20 Safety Controls 21 Insulation Blanket Kits 21 Installation Checklist 22 OPERATION 23 Using Basic Control 23 SMART FUNCTIONS 25 LG ThinQ Application 25 MAINTENANCE 27 Draining and Flushing the Water Heater 27 T P Relief Valve Maintenance 28 Air Filter Maintenance 28 Condensate Drain Maintenance 29 Shut down for an Extended Period 29 TROUBLESHOOTING 30 Before Calling for Service 30 Er...

Page 3: ...ollow the safety alert symbol and either the word DANGER WARNING or CAUTION These words mean CAUTION You may be slightly injured or cause damage to the product if you do not follow instructions WARNING You may be killed or seriously injured if you do not follow instructions DANGER This indicates that the failure to follow the instructions will cause serious injury or death All safety messages will...

Page 4: ... heater Feel water before bathing or showering Temperature limiting valves are available see manual HOT BURN 4 EN Safety Precaution Water Temperature Setting WARNING To reduce the risk of explosion fire death electric shock injury or scalding to persons instructions in this manual must be followed Be sure to fully understand the user s manual before you install and operate this appliance If you ha...

Page 5: ...These valves automatically mix hot and cold water in branch water lines It is recommended to use a mixing valve DANGER Households with the elderly children or people with disabilities may require a 48 C or lower thermostat setting to prevent contact with HOT water DANGER Higher water temperature increases the potential for Hot Water SCALDS Water temperature in the heater is regulated by the button...

Page 6: ... knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance Take care so that children may not step on the product Otherwise children may be seriously injured due to falling down For use in Europe This appliance can be used by children aged...

Page 7: ...water contact an Authorized Service Center for repair before using it again Moving or installation of the appliance requires two or more people Turn off the power by opening the circuit breaker or removing the fuses before installing Even if the water heater thermostat is set to relatively low hot water has the potential for scalding To reduce the risk of scalding thermostatic mixing valves are re...

Page 8: ...el and the cover of the control box safety Do not touch heat exchanger fins with your bare hands Otherwise you may get a cut in your hands Do not input air or gas into the system except with the specific refrigerant Do not turn on the circuit breaker or power when covers are removed or opened Make the connection securely so that screw in terminals may not be loosed when pulling cable Operation Use...

Page 9: ...insulation on the power cables may result in fire or electric shock and should be replaced The supply cord cannot be replaced If the cord is damaged the appliance should be scrapped Do not expose people animals or plants to the cold wind from the water heater for extended periods of time Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire ...

Page 10: ... with the proper tools and test instruments Failure to read and follow all instructions in this manual can result in equipment malfunction property damage personal injury and or death Installation Install the product on a firm and level floor Do not install the water heater in a place where leakage of the tank or connections will result in damage to the area adjacent to it or to lower floors of th...

Page 11: ...ng of the thermal cut out this appliance must not be supplied through an external switching device such as a timer or connected to a circuit that is regularly switched on and off by the utility Operation Do not step on the product and do not put anything on it Do not use this appliance if any part have been underwater Immediately contact an Authorized Service Center for replace flooded water heate...

Page 12: ...lay decor Control panel ECO Upper element cover Front decor Lower element cover Heating element Opening for drain valve Water inlet Opening for T P relief valve Water outlet Condensate drain Rear panel Air outlet Vents 6 16 15 14 12 11 13 7 3 2 5 17 18 9 10 8 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 4 ...

Page 13: ...es Figure Name Figure Name Screw driver Teflon tape Spanner Level Multi meter Installation Tools Figure Name Figure Name Drain valve T P relief valve Figure Name Figure Name Drain pan Thermal expansion tank Pressure reducing valve Thermostatic mixing valve 13 ...

Page 14: ...lation or service Ceiling Flexible connection recommended Hot water outlet Thermal expansion tank if required Shut off valve Heat trap Min 0 15 m Flexible connection recommended Cold water inlet Drain valve Open drain T P relief valve and discharge line In closed system connect a thermal expansion tank to cold water supply line See Thermal Expansion Section p 16 ...

Page 15: ...e water heater and water lines should be protected from freezing and high corrosive elements Do not install water heater in outdoor or unprotected areas Install the water heater close to the area of the greatest heater water demand and the center of plumbing system Long uninsulated hot water lines can waste energy Insufficient air exchange will result in increased energy consumption level The inst...

Page 16: ... system As water is heated it creates an increase in pressure within the water system because the increased volume of water doesn t have a place to go Referred to as thermal expansion the rapid pressure increase can quickly reach the safety setting of the relief valve Unpacking and Removing Shipping Bolts NOTE Accessories drain valve and T P relief valve are attached on pallet Keep it for installa...

Page 17: ...pe should not be threaded or concealed and should be protected from freezing Do not insert or install any type of valve restriction or reducer coupling in the discharge pipe The water may drip from the discharge pipe of the pressure relief device and that this pipe must be left open to the atmosphere The pressure relief device is to be operated regularly to remove lime deposits and to verify that ...

Page 18: ...sulated to prevent condensation from forming on the outside of the drain line If no floor drain is available or the drain is above the level of the condensate line then a common condensate pump with a capacity no less than 7 5 L per day must be installed Installing Condensate Drain Lines 1 Apply Teflon tape on the G end to prevent leaking 2 Attach elbow with 3 4 slip 3 4 G to the primary drain con...

Page 19: ...ly full of water The water heater warranty does not cover damage or failure resulting from operation with empty or partially empty tank For ease of disconnecting the water heater for service or replacement the installation of unions is recommended on the water connections 1 Check the type of water pipes in your home Use fittings adequate for the type of pipe in your home 2 Apply Teflon tape on the...

Page 20: ...ndards and must be protected by a 30 mA RCD Residual current device Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules The water heater must be permanently powered by electricity to ensure correct operation of the impressed current titanium anode ICCP Do not turn on power until water heater is completely filled The appliance can only be connected a...

Page 21: ...any damage or failure caused by installing or using any type of unauthorized energy saving or other devices The manufacturer is not responsible for any injury or loss resulting from the use of such unauthorized devices CAUTION If local codes require application of any external insulation blanket kit to water heater it will require careful attention so as not to restrict the proper function and ope...

Page 22: ...relief valve properly installed Discharge line maintains a downward slope and runs to adequate drain Discharge pipe protected from freezing Condensate Drain Drain lines maintain a downward slope and run to adequate drain Water supply Tank is completely full of water Remove air from water heater and piping Water connections tight and free of leakage Flexible water connections recommended Wiring Pow...

Page 23: ...e turbo mode To select the Vacation mode Set schedule mode only in LG ThinQ application To select the Anti Legionella mode To set the desired water temperature To adjust the desired water temperature To enable the Wi Fi pairing To reset the filter alarm To change unit between F and C To display the current water temperature for 5 seconds OPERATION ...

Page 24: ...n on the water heater ANTI LEGIONELLA MODE The water heater automatically performs the anti legionella mode once a week The water temperature will go up to 60 C and stay for 1 hour These temperature can scald so we recommend you use a thermostatic mixing valves Default inactive Active Inactive Press and hold Set button about 3 seconds to set the anti legionella mode active or inactive Active Displ...

Page 25: ...e appliance supports 2 4 GHz Wi Fi networks only To check your network frequency contact your Internet service provider or refer to your wireless router manual LG ThinQ is not responsible for any network connection problems or any faults malfunctions or errors caused by network connection If the appliance is having trouble connecting to the Wi Fi network it may be too far from the router Purchase ...

Page 26: ...notices are available for download LG Electronics will also provide open source code to you on CD ROM for a charge covering the cost of performing such distribution such as the cost of media shipping and handling upon email request to opensource lge com This offer is valid for a period of three years after our last shipment of this product This offer is valid to anyone in receipt of this informati...

Page 27: ...ve difficultly to perform these routine maintenance tasks yourself contact a qualified person Before you perform any maintenance turn off the power by opening the circuit breaker as below 1 Turn off the power by opening the circuit breaker or removing the fuses 2 Connect a garden hose to the drain valve and place the and of the hose in a suitable drain 3 Turn off the cold water supply valve 4 Open...

Page 28: ...ilters when Air filter check alarm appears on the display NOTE The air filter can be broken when it is bended When the air filter is not assembled correctly dust and other substance come into the unit T P Relief Valve Maintenance 1 Turn off the power by opening the circuit breaker or removing the fuses 2 Hold the knobs of the air filter pull it and remove it from the top cover 3 Clean the filter w...

Page 29: ...ontrols should be checked by qualified service personnel Make certain the water heater is completely filled again before placing it in operation Condensate Drain Maintenance 1 Remove the condensate drain lines and connections ڸ ڹ ں 2 Pull the front decor first and then remove the top cover Lift the front panel out then slightly lift the rear panel and remove it 3 Check the condensate drain pan for...

Page 30: ... electric supply to the water heater Check the electric supply to water heater See Making Electrical Connections section Page 20 Water connections to unit are reversed Re install water connection correctly Leak in hot water faucets or plumbing system Make certain all faucets are closed Check home for any leaks and repair Improper electric wiring See Making Electrical Connections section Page 20 Co...

Page 31: ...upply valve is partially closed Open the water heater s supply valve fully Trouble connecting appliance and smartphone to Wi Fi network The password for the Wi Fi network was entered incorrectly Delete your home Wi Fi network and begin the registration process again Mobile data for your smartphone is turned on Turn off the Mobile data on your smartphone before registering the appliance The wireles...

Page 32: ...or upper tank Temp sensor is not working IC ICCP is not functioning Call our Technical Support Center OFF 32 EN Code Contents Corrective Action Operating status 1 Ambient Temp sensor is not working Call our Technical Support Center Use Elements Only 4 Condensate drain is blocked Clean Condensate drain See Condensate Drain Maintenance section Use Elements Only 5 PCB Communication error Call our Tec...

Page 33: ...5 Fan Propeller 16 Nut Common 17 Shroud Assembly 18 Evaporator Assembly First Item No Description 19 Switch Assembly 20 Pan Assembly Drain 21 Compressor Set China 22 Damper Compressor 23 Tube Assembly Reverse 24 Coil Expansion 25 Tube Assembly Expansion 26 Tube Assembly Evaporator Out 27 Tube Assembly Connector 28 Tube Assembly Evaporator In 29 Harness Multi 30 Harness Multi 31 Thermistor Assembly...

Page 34: ...thorized service center NOTE Check the water heater s rating plate on the unit for the acceptable voltage and wattage Replacement parts can be ordered through the distributor or store where the heater was purchased All parts order should include following information 1 Model and serial number of the products 2 Voltage and wattage as marked on rating plate 3 Part description ...

Page 35: ...Ceramic coated Max Working pressure MPa 1 Setting range of the water temperature C 35 to 60 Operating temperature range of the heat pump C 5 to 50 Refrigerant R134a kg 0 65 0 75 Refrigerant volume in equivalent tonnes T eq CO2 0 930 1 072 Refrigerant design pressure high side low side MPa 2 0 0 9 Power supply Voltage V 230 Frequency Hz 50 Total Max power consumption W 2600 Max power consumption by...

Page 36: ...36 EN ...

Search results

Summary of Contents for WH20S F5

Reviews:

Related manuals for WH20S F5

Brands by name

Popular brands

LG WH20S F5, Owner'S Manual

Search results

Summary of Contents for WH20S F5

Reviews:

Related manuals for WH20S F5

Brands by name

Popular brands