Product Introduction
Typical Installation Scene
Water Out
Gas side
Liquid side
Drain
Water In
Use of power supply separate power for the indoor unit. (Do not connect and use from thepower terminal of the outdoor unit.)
CAUTION
6
Hydro Kit
Page 1: ...read this manual carefully before operating your set and retain it for future reference P NO MFL67086801 www lg com TYPE Hydro Kit For Medium Temperature ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ PORTUGUESE NEDERLANDS POLSKI MAGYAR ...
Page 2: ...troubleshooting tips If you review our chart of Troubleshooting Tips first you may not need to call for service at all PRECAUTION Contact the authorized service technician for repair or maintenance of this unit Contact the installer for installation of this unit Hydro Kit is not intended for use by young children or invalids without supervision Young children should be supervised to ensure that th...
Page 3: ...e panel and the cover of control box securely There is risk of fire or electric shock due to dust water etc Use the correctly rated breaker or fuse There is risk of fire or electric shock 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 For installation removal or rei...
Page 4: ... the product There is risk of electric shock Take care to ensure that nobody especially kids could step on or fall onto the outdoor unit This could result in personal injury and product damage Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock Do not place ANYTHING on the power cable There is risk of fire or electric sho...
Page 5: ...damage to the plastic parts of the product Do not step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Do not insert hands or other objects through the air inlet or outlet while the product is operating There are sharp and moving parts that could cause personal injury Be cautious when unpacking and installing the product Sharp edges could caus...
Page 6: ...t Introduction Typical Installation Scene Water Out Gas side Liquid side Drain Water In Use of power supply separate power for the indoor unit Do not connect and use from the power terminal of the outdoor unit CAUTION 6 Hydro Kit ...
Page 7: ...ro Kit Product Introduction ENGLISH No Name 1 Display 2 Change Temperature Button 3 Water Heating Enable Disable Button 4 Power Button 5 Operation Mode Selection Button 6 Silent Mode On Off Button 7 Temperature Setting Mode Button 8 Temperature View Mode Button 9 Function Setting Button 10 Programming Button 11 Direction Button Up Down Left Right 12 Set Clear button 13 ESC Button ...
Page 8: ...mode is active In space heating operation or sanitary water tank heating operation freezing of the outdoor heat exchanger may be occur due to low outdoor temperature and humidity If this risk occurs the product goes into defrost operation It reverses the cycle and takes heat from the indoor system to prevent freezing of the outdoor system This mode is automatically operating MAINTAIN LOWEST TEMPER...
Page 9: ...the product is controlled by the central controller THERMOSTAT This icon indicates connection with thermostat SLIGHT TROUBLE This icon indicates that slight trouble occurs HEAVY TROUBLE This icon indicates that heavy trouble occurs Ownerʼs Manual 9 Hydro Kit ENGLISH ...
Page 10: ... Operation Mode Cooling Operation The product yields cool water to use in under floor cooling or FCU cooling Heating Operation The product yields hot water to use in under floor heating or FCU heating Weather dependent Heating Operation In this mode heating setpoint is automatically determined by pre defined temperature profile 1Press Power Button to turn on the product 2Press OPER MODE Button to ...
Page 11: ...perature Button to select each Temperature Whenever press View Temperature button the room temperature will be displayed during 5 seconds View Temperature Temperature Temperature Range Displayed as below 11 C 51 F Lo Air 11 C 51 F 39 C 102 F actual temperature above 39 C 102 F Hi below 0 C 32 F below 40 C 104 F Lo Water 0 C 32 F 92 C 197 F 40 C 104 F 120 C 248 F actual temperature above 92 C 197 F...
Page 12: ... The segment will be flashed 2Press set clear button to finish the selection The segment will disappear 4To release this setting press function Setting button until icon flashes and then enter setting clear button 3During Child Lock icon and CL will be displayed during 3 seconds whenever entering any kind of buttons except for view temperature button and setting clear button ...
Page 13: ...ble A problem is found inside the indoor unit In most case this trouble is concerned with sensor problems In this case Hydro Kit can operate in an emergency mode only Heating operation Heavy trouble A problem is found inside the outdoor unit Critical error On critical error the product will stop unconditionally At this time CH and error code No keep display by turns Error code display ...
Page 14: ...e AM PM segment will be flashed 4Press right button to move to Hour part the Hour segment will be flashed 6Press right button to move to Minute part the Minute segment will be flashed 7Press up down button to adjust the Minute 8If you finish the setting press set clear button 9Press exit button to exit or system will automatically release without any input 25 seconds 5Press up down button to adjus...
Page 15: ...ress exit button to exit or system will automatically release without any input after 25 seconds 1Press programming button to enter the Programming mode Press Programming button repeatedly to select sleep reservation the segment flashing 2Press up down button to adjust the reservation time 3If you finish the setting press setting cancel button to complete programming 4Press exit button to exit or ...
Page 16: ...djust AM PM 3Press right button to move to Hour part the Hour segment will be flashed 4Press up down button to adjust the Hour 6Press up down button to adjust the Minute 7If you finish the setting press setting cancel button to complete programming 8Press exit button to exit or system will automatically release without any input after 25 seconds 5Press right button to move Minute part the Minute s...
Page 17: ...ton to adjust AM PM 3Press right button to move to Hour part the Hour segment will be flashed 4Press up down button to adjust the Hour 6Press up down button to adjust the Minute 7If you finish the setting press setting cancel button to complete programming 8Press exit button to exit or system will automatically release without any input after 25 seconds 5Press right button to move to Minute part t...
Page 18: ... adjust the action number 4Press right button to move to Hour part on ON Time section The Hour segment will be flashed 6Press right button to move to Minute part on Start Time section The Minute segment will be flashed 7Press up down button to adjust the Minute on Start Time section 8Press right button to move to Hour part on OFF Time section The Hour segment will be flashed 5Press up down button ...
Page 19: ...will be created when finished 11Please refer to the process from No 2 to No 10 for setting other day weekly program It is the same method 12Press exit button to exit or system will automatically release without any input after 25 seconds Ownerʼs Manual 19 Hydro Kit ENGLISH Note Description of weekly reservation Start Time Section Off Time Section Start Time Section Off Time Section h Two actions p...
Page 20: ...gramming mode Press Programming button repeatedly to select Holiday reservation the segment flashing 2Press left right button to adjust the holiday 3When you press set clear button after finishing the selection the day selected will disappear 4Press exit button to exit or system will automatically release without any input after 25 seconds Owner s instruction ...
Page 21: ... Room thermostat can be used for easy and convenience control To utilize thermostat more efficiently and correctly this chapter presents information about using thermostat How to use Thermostat Operating Thermostat with Remote Controller To find how to turn on and off how to set target temperature how to change operating mode etc please refer to thermostat operating manual provided by thermostat m...
Page 22: ...a problem is found inside the indoor unit In most case this trouble is concerned with sensor problems The outdoor unit is operating under emergency mode operation condition which is configured by DIP switch No 4 of the indoor unit PCB Heavy trouble a problem is found inside the outdoor unit Option Trouble a problem is found for option operation such as water tank heating In this trouble the troubl...
Page 23: ...th 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 When sanitary water is not warming up while emergency operation please check if sanitary water sensor and related wiring are all Ok Emergency operation i...
Page 24: ...f Never try to repair by yourself or restart the system in such cases 2 Main power cord is too hot or damaged 3 Error code is generated by self diagnosis 4 Water leaks from indoor unit 5 Any switch breaker safety earth or fuse fails to work properly User must carry routine checkup cleaning to avoid unitʼs poor performance In case of special situation the job must be carried out by the only service...
Page 25: ...ectively The room may have been very hot when the Hydro Kit was first turned on Allow time for it to cool down Has the setting temperature been set incorrectly The unit operation is noisy Refrigerant flow sound While the system is being started or stopping sound from the refrigerant flow may be heard Sound for the indoor unit heat exchanger During the cooling operation a sound may be heard from th...
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