LG MFL68026703 Owner'S Manual Download Page 14 | Manualshive

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Owner's Instruction

14

Air-to-Water Heat Pump

If there is urgent sanitary heating demand, Quick Sanitary Tank Heating mode can be used to reduce
the time to reach target sanitary tank temperature by forcibly turning on sanitary tank heater.
After reaching target sanitary tank temperature or by userʼs input to stop, Quick Sanitary Tank
Heating mode will be finished.

Quick Sanitary Tank Heating

1

Press Sanitary Tanke Heating Enable button with up button for 3 seconds to start Quick
Sanitary Tank Heating. ʻSanitary Tank Heating Enableʼ icon and ʻSanitary tank heaterʼ
icon will be flashing together.

2

If target sanitary tank temperature is reached or user pushes Sanitary Tanke Heating
Enable button with down button for 3 seconds, Quick Sanitary Tank Heating will be
finished and icon flashing will be stopped.

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Summary of Contents for MFL68026703

Page 1: ...se read this manual carefully before operating your set and retain it for future reference www lg com P NO MFL68026703 TYPE Air to Water Heat Pump ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂNĂ ...

Page 2: ...n the chart of 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 AWHP is not intended for use by young children or invalids without supervision Young children should be supervised to ensu...

Page 3: ...tall the 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...

Page 4: ... operation Almost the antifreeze is a toxic product Do not touch any electric part with wet hands you should be cut power before touching electric part There is risk of electric shock or fire Do not touch refrigerant pipe and water pipe or any internal parts while the unit is operating or immediately after operation There is risk of burns or frostbite personal injury If you touch the pipe or inter...

Page 5: ...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 cause injury If the refrigerant gas leaks during the repair do not touch the leakaing refrigerant gas The refrigernat gas can cause frostbite cold burn Do not tilt the u...

Page 6: ...oduct Introduction 1 Unit 2 Remote controller 3 Water out PT 25A 4 Water in PT 25A 5 Hole for communication Ø25 6 Hole for unit power supply Ø25 7 Hole for heater power supply Ø25 8 Inlet air 9 Outlet air Name and function of parts 9 8 1 2 5 6 7 3 4 ...

Page 7: ...ۄ 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: ...rding to field condition this icon can be seen although no auxiliary solar thermal pump is installed Defrosting This icon indicates that the defrost mode is active This mode is automatically operating Maintain lowest temperature The purpose of this mode is maintaining the temperature to prevent damage by freezing of water pipe Disinfection This icon indicates disinfecting operation is ongoing in s...

Page 9: ...operation mode Operation mode Cooling operation The product yields cool water to use in 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 select ea...

Page 10: ...ature level by pressing change TEMP buttons 1Press repeatedly VIEW TEMP button To select each temperature Whenever press VIEW TEMP button the room temperature will be displayed during 5 seconds View room temperature View inlet temperature View outlet temperature View sanitary water temperature Only displayed when sanitary water heating mode View solar power temperature Only displayed when sanitary...

Page 11: ...s not installed If you want to know more information refer function code 15 26 29 on installation information section 1Press repeatedly view button 2Sanitary water heating operation is operating only on enable condition During operation segment will be on Sanitary water heating disable Sanitary water heating enable Sanitary water heating ON ...

Page 12: ...ation such as defrost operation anti freezing operation and etc When this mode is not operated by the priority order ONLY display 1Press the programming button repeatedly until silent mode icon is shown 2Press left right button to select menu AM PM or hour 3Press down button to move to AM PM part and adjust it The AM PM segment will be flashed 4Press right button to move to Hour part the Hour segm...

Page 13: ...ing mode The segment will be flashed 2Press OK CLEAR button to finish the selection The segment will be disappear 4To release this setting pressing function setting button until icon flash and then enter OK 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 14: ...put to stop Quick Sanitary Tank Heating mode will be finished Quick Sanitary Tank Heating 1Press Sanitary Tanke Heating Enable button with up button for 3 seconds to start Quick Sanitary Tank Heating ʻSanitary Tank Heating Enableʼ icon and ʻSanitary tank heaterʼ icon will be flashing together 2If target sanitary tank temperature is reached or user pushes Sanitary Tanke Heating Enable button with d...

Page 15: ...he unit will stop unconditionally At this time CH and error code No keep display by turns Critical error Display Heavy trouble Compressor cycle trouble Display Slight trouble Sensor trouble Display The error code will be displayed on control panel Error Code display ...

Page 16: ...to move to AM PM part and adjust it The 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 OK CLEAR button 9Press exit button to exit or system will automatically release without any input 25 s...

Page 17: ...ss exit button to exit or system will automatically release without any input after 25 seconds 1Press programming button to enter the Programming mode Repeat pressing button to select sleep reservation the segment flashing 2Press up down button to adjust the reservation time 3If you finish the setting press OK CLEAR button to complete programming 4Press exit button to exit or system will automatic...

Page 18: ...ing mode 2Press programming button to select function code 18 3Press left right button to move to screed drying setting part 4Press up down button to adjust 01 or 00 00 Not Used 01 Used 5If you finish the setting press OK CLEAR button 6Press exit button to exit or system will automatically release without any input 25 seconds 7During the screed drying mode dry is displayed Left days for completing...

Page 19: ... flashing 2Press up down button 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 OK CLEAR button to complete programming 8Press exit button to exit or system will automatically release without any input after 25 seconds 5Press right button to...

Page 20: ...t flashing 2Press up down button 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 OK CLEAR button to complete programming 8Press exit button to exit or system will automatically release without any input after 25 seconds 5Press right button t...

Page 21: ...rent day 3Press up down button to 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 ...

Page 22: ... actions To Off Time 9Please refer the process from No 5 to No 7 for setting OFF time It is same method 10If you finish the setting press setting cancel button to complete programming The under bar segment will be created when it finished 11Please refer the process from No 2 to No 10 for setting other day weekly program It is same method 12Press exit button to exit or system will automatically rel...

Page 23: ...ramming button to enter the Programming mode Repeat pressing button 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 be disappear 4Press exit button to exit or system will automatically release without any input after 25 seconds ...

Page 24: ...ressing button to select sanitary tankt heating programming the segment flashing 2Press left and right button to adjust schedule program number Programming number ʻ1ʼ and ʻ2ʼ are for sanitary tank heating programming if selected ʻSanitary tank heating enabledʼ icon will be flashing and ʻ3ʼ and ʻ4ʼ are for sanitary tank heater operation programming if selected ʻSanitary tank heaterʼ icon will be fl...

Page 25: ...convenience control To utilize thermostat more efficiently and correctly this chapter presents information about using thermostat How to use Thermostat Operating Thermostat with Control Panel 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 Following features are permitted when...

Page 26: ...light trouble Sensor trouble In most case this trouble is concerned with sensor problems The unit is operating under emergency mode operation level 1 Heavy trouble Compressor cycle trouble Emergency mode operation level 2 is performed by optional electric heater Option trouble a problem is found for option operation such as water tank heating In this trouble the troubled option is assumed as if it...

Page 27: ... 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 When sanitary water is not warming up while emergency operation please check if san...

Page 28: ...e is generated by self diagnosis 4 Water leaks from 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 person When the unit is not going If the product is not used for long time we strongly recommend NOT TO SWITCH OFF THE POWER SU...

Page 29: ... is not a damp smell exuded by the walls carpet furniture or cloth items in the room This is the protector of the mechanism Wait about three minutes and operation will begin The room may have been very hot when the AWHP was first turned on Allow time for it to cool down Has the setting temperature been set incorrectly Refrigerant flow sound While the system is being started or stopping sound from ...

Page 30: ...30 Air to Water Heat Pump ...

Page 31: ......

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