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LG AHNW146A0 Owner's Manual

Air-to-water heat pump.
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LG
Air-to-Water Heat Pump
Owner's Manual
Models : AH Series
Dear Owner
Thank you for installing LG Air-to-Water Heat Pump.
Your best choice guarantees you a great
performance and service to make your life
comfortable & pleasant.
IMPORTANT
• Please read this owner's manual carefully and
thoroughly before installing and operating your
Air-to-Water Heat Pump.
• Please retain this owner's manual for future
reference after reading it thoroughly.
LG

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   Summary of Contents for LG AHNW146A0

  • Page 1

    Air-to-Water Heat Pump Owner's Manual Models : AH Series Dear Owner Thank you for installing LG Air-to-Water Heat Pump. Your best choice guarantees you a great performance and service to make your life comfortable & pleasant. IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your Air-to-Water Heat Pump.

  • Page 2: Table Of Contents

    Air-to-Water Heat Pump Owner’s Manual TABLE OF CONTENTS A. Safety Precautions...3 B. Product Introduction...6 C. Owner's instruction...8 D. Using Thermostat...33 E. Maintenance and Service ...37 F. Disposal Requirements...39 2 Air-to-Water Heat Pump Owner’s Manual FOR YOUR RECORDS Write the model and serial numbers here: Model # Serial # You can find them on a label on the side of each...

  • Page 3: Safety Precautions

    Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING CAUTION Always ground the product.

  • Page 4

    Safety Precaution Indoor/outdoor wiring connections must be secured tightly and the cable should be routed properly so that there is no force pulling the cable from the connection terminals. • Improper or loose connections can cause heat generation or fire. In outdoor unit the step-up capacitor supplies high voltage electricity to the electrical components.

  • Page 5

    Two or more people must lift and transport the product. • Avoid personal injury. Do not install the product where the noise or hot air from the outdoor unit could damage or disturb the neighborhoods. • It may cause a problem for your neighbors and hence dispute.

  • Page 6: Product Introduction

    Product Introduction Product Introduction Typical Installation Scene Water Inlet 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. 6 Air-to-Water Heat Pump Owner’s Manual Water Outlet...

  • Page 7: Control Panel

    Control Panel 1. Display panel 2. Change temperature button 3. Silent mode On/Off button 4. Operation mode selection button 5. Water heating Enable/Disable button 6. ESC button 7. Direction button (Up, Down, Left, Right) 8. Power button ❊ Some functions may not be operated and displayed depending on the model. Product Introduction 9.

  • Page 8: Owner's Instruction

    Owner's instruction Owner's instruction Monitoring Information 8 Air-to-Water Heat Pump Owner’s Manual AUXILIARY SOLAR THERMAL PUMP This icon indicates that auxiliary solar thermal pump is active. NOTE : As installation of auxiliary solar thermal pump is not compulsory but recommendation according to field condition, this icon can be seen although no auxiliary solar thermal pump is installed.

  • Page 9

    Owner's instruction Monitoring Information NO FUNCTION Child Lock Outdoor This icon indicates that the outdoor unit is active. Disinfection This icon indicates disinfecting operation is ongoing in sanitary water tank. Maintain lowest temperature The purpose of this mode is maintaining the temperature to prevent damage by freezing of water pipe.

  • Page 10

    Owner's instruction Monitoring Information 10 Air-to-Water Heat Pump Owner’s Manual Heavy trouble This icon indicates that heavy trouble is occurred. Slight trouble This icon indicates that slight trouble is occurred. Thermostat This icon indicates connection with thermostat. Central Controller This icon indicates that the product is controlled by the central controller.

  • Page 11

    Mode Change Turn on the product and select operation mode. 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. •...

  • Page 12

    Owner's instruction Selecting Target Temperature You can set the proper temperature each mode. ❊ Note : Decrease 1°C or 2°F per one time pressing : Increase 1°C or 2°F per one time pressing • We can change the temperature range of each mode on installation setting mode. Please refer Function Code 11 to 15.

  • Page 13: Cooling Mode

    Cooling Mode In this mode, cooling operation is activated to achieve the temperature set point. ❊ Note : Decrease 1°C or 2°F per one time pressing : Increase 1°C or 2°F per one time pressing We can change the temperature range of each mode on installation setting mode. Please refer function code from 11 to 15.

  • Page 14: Heating Mode

    Owner's instruction Heating Mode In this mode, heating operation is activated to achieve the temperature set point. 14 Air-to-Water Heat Pump Owner’s Manual Press Power Button to turn on the product. Press Mode Selection Button to select Heating operation mode. : Heating operation icon Adjust desired temperature by pressing Change Temperature buttons.

  • Page 15

    Weather-dependent 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. All parameters will be set by installer during start-up procedure and will be adapted to the site characteristic.

  • Page 16

    Owner's instruction View Temperature Temperature Water 16 Air-to-Water Heat Pump Owner’s Manual Press repeatedly View Temperature Button to select each Temperature. Whenever press View Temperature button, the room temperature will be displayed during 5seconds. Temperature Range below 11 11 ~ 39 above 39 below 0 0 ~ 92...

  • Page 17

    Sanitary Water Heating Operation <Note> • This function is not used when the sanitary water tank is not installed. • If you want to know more information, refer function code [15, 26~29] on installation information section Press repeatedly View sanitary tank heating. <Sanitary Water Heating Disable>...

  • Page 18

    Owner's instruction Silent Mode Operation Silent mode operation is that the outdoor unit works at reduced capacity so that the noise produced by the outdoor unit drops. This implies that the indoor heating and cooling capacity will also drop. Beware of this when a certain level of heating or cooling is required indoors.

  • Page 19

    Child Lock This function is to prevent children or other people from using controller. Press Function Setting Button to enter user setting mode. (The segment will be flashed) Press set / clear button to finish the selection. The segment will be disappear. During Child Lock, icon and 'CL' will be displayed during 3 seconds whenever...

  • Page 20

    Owner's instruction Error code display When the error is occurred on indoor unit, the error code will be displayed on control panel. Slight trouble A problem is found inside the indoor unit. In most case, this trouble is concerned with sensor problems.

  • Page 21

    Setting Current Time You can set current time. <Note> The current time have set as 12:00 initially. Keep pressing programming button for 3 seconds to enter Setting current time mode. Ex) Changing Current Time as 'Monday / PM 10:20'. Press left, right button to adjust the current day.

  • Page 22

    Owner's instruction 22 Air-to-Water Heat Pump Owner’s Manual Press right button to move to 'Minute' part. (the 'Minute' segment will be flashed) Press up, down button to adjust the Minutes. If you finish the setting, press set / clear button . Press exit button to exit or system will automatically release without any input after 25 seconds.

  • Page 23

    Programming : Setting Simple Reservation You can easily turn-on reservation.(ONLY enable when unit is stand-by.) Press programming button to enter the Programming mode. (the segment flashing) Ex) Setting Simple Reservation time as '3' hours. Press up, down button to adjust the reservation time.

  • Page 24

    Owner's instruction Programming : Setting Sleep Reservation You can easily turn-off(sleep) reservation.(ONLY enable when unit is operating.) 24 Air-to-Water Heat Pump Owner’s Manual Press programming button to enter the Programming mode. Repeat pressing button to select [sleep reservation]. (the segment flashing) Ex) Setting Simple Reservation time as '3' hours.

  • Page 25

    Programming : Setting ON Reservation This function is able to turn-on after a setting time. Press programming button to enter the Programming mode. Repeat pressing button to select [on reservation]. (the segment flashing) Ex) Setting On Reservation time as PM 10:20. Press up, down button to adjust AM / PM.

  • Page 26

    Owner's instruction 26 Air-to-Water Heat Pump Owner’s Manual Press right button to move to 'Minute' part. (the 'Minute' segment will be flashed) Ex) Setting On Reservation time as PM 10:20. Press up, down button to adjust the Minutes. If you finish the setting, press setting/cancel button to complete programming.

  • Page 27

    Programming : Setting OFF Reservation This function is able to turn-off after a setting time. Press programming button to enter the Programming mode. Repeat pressing button to select [off reservation]. (the segment flashing) Ex) Setting Off Reservation time as PM 11:20. Press up, down button to adjust AM / PM.

  • Page 28

    Owner's instruction 28 Air-to-Water Heat Pump Owner’s Manual Press right button to move to 'Minute' part. (the 'Minute' segment will be flashed) Press up, down button to adjust the Minutes. If you finish the setting, press setting/cancel button to complete programming. Press exit button to exit or system will automatically release without any input after 25 seconds.

  • Page 29

    Programming : Weekly Reservation The weekly reservation is active after setting current time. Press programming button to enter the Programming mode. Repeat pressing button to select [Weekly reservation]. (The segment will be flashed) Ex) Setting one action as below. - Day : TUE - ON Time : 11:30 AM - OFF Time : 12:30 PM Press left, right button to adjust the current...

  • Page 30

    Owner's instruction 30 Air-to-Water Heat Pump Owner’s Manual Press up, down button to adjust the Hour on Start Time section. Press right button to move to 'Minute' Part on Start time section. (The 'Minute' segment will be flashed) Press up, down button to adjust the Minute on Start Time section.

  • Page 31

    <Note> Description of weekly reservation <Start Time Section> Action Start Time From <Start Time Section> ❋ Two actions per weekday can be programmed, in total 14 actions Please refer the process from No.5 to No.7 for setting OFF Time. It is same method. If you finish the setting, press setting/cancel button to complete programming.

  • Page 32

    Owner's instruction Programming : Holiday Reservation This function is to automatically stop the machine working on some days. 32 Air-to-Water Heat Pump Owner’s Manual Press programming button to enter the Programming mode. Repeat pressing button to select [Holiday reservation]. (The segment will be flashed) Ex) Setting holiday on Friday.

  • Page 33: 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 34

    Using Thermostat How to use Thermostat 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. Operating Thermostat with Control Panel • Following features are permitted when thermostat is installed : •...

  • Page 35: 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 36

    Using Thermostat • Following features are permitted in emergency operation : Operation On/Off VIEW TEMP button(*) Temperature adjust button (*) Sanitary water heating Enable / Disable (*) : Temperature measured by failed sensor is displayed as ‘- -’. (*) : Adjusted temperature is only used to control electric heater on / off condition. The product does not turn on / off according to the setting temperature at the control panel.

  • Page 37: 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 38

    Maintenance and Service Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service... If the malfunction persist, please contact your dealer. Case AWHP does not operate. The room has a peculiar odor. AWHP does not operate for about 3 minutes when restart.

  • Page 39: Disposal Requirements

    Disposal Requirements Dismantling of the unit, treatment of the refrigerant, of oil and of other parts must be done in accordance with relevant local and national legislation. Your product is marked with this symbol. This means that electrical and electronic products shall not be mixed with unsorted household waste. Do not try to dismantle the system yourself: the dismantling of the system, treatment of the refrigerant, of oil and other parts must be done by a qualified installer is accordance with relevant local and national legislation.

  • Page 40

    P/No.: MFL57490701 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

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