LG NHXM30D3A1 Owner’s Manual

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OWNER’S MANUAL

AIR

CONDITIONER

Please read this manual carefully before operating your set and retain it for future reference.

MULTI TYPE CEILING CONCEALED DUCT

www.lg.com

MFL42619409

Rev.01_122618

Table of contents

TABLE OF CONTENTS

3SAFETY PRECAUTIONS

6PRODUCT INTRODUCTION

6Name and function of parts

6What to do before operation

7PART DESCRIPTION

7Wired Remote Controller

8Wireless Remote Controller (Optional)

9OPERATING INSTRUCTIONS

9Standard Operation - Standard Cooling

9Standard Operation - Heating Mode

10	Standard Operation - Dehumidification Mode
10	Standard Operation - Auto Operation Mode
11	Standard Operation - Fan Mode
11	Standard Operation - Temperature Setting/Room Temperature Check
12	Function setting - Child Lock
12	Sub Function - Plasma Purification(Optional)
13	Function Setting - Filter Sign Clear
14	Function setting - Changing Current Time
15	Programming - Simple Reservation
16	Programming : Weekly Reservation

18Programming - Sleep Reservation

19Programming - ON Reservation

20Programming - OFF Reservation

21MAINTENANCE AND SERVICE

21Indoor Unit

22Operation Tips!

22When the air conditioner is not going....

23Troubleshooting Tips! Save time and money!

23 Call the service immediately in the following situations

2 Multi Type Air Conditioner

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions must be followed.

νIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.

!	WARNING	This symbol indicates the possibility of death or serious injury.

!	CAUTION	This symbol indicates the possibility of injury or damage.

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! WARNING

•Always ground the product.

-There is a risk of electric shock.

•Do not use a defective or underrated circuit breaker. Use the correctly rated breaker and fuse.

-There is risk of fire or electric shock .

•Do not use a multi consent. Always use this appliance on a dedicated cicuit and breaker.

-Otherwise it can cause electric shock or fire.

•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 lightening rod or telephone ground wire.

-There is risk of fire or electric shock.

•Install 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 scrathes or skin peeled off or deteriorated then it must be replaced.

-There is risk of fire or electric shock.

•For installation, removal or reinstall , always contact the dealer or an Authorized Service Center.

-There is risk of fire, electric shock, explosion, or injury.

•Do not install the product on a defective installation stand. Be sure that the installation area does not deteriorate with age.

-It may cause product to fall.

• Never install the outdoor unit on a moving base or a place from where it can fall down.

-The falling outdoor unit can cause damage or injury or even death of a person.

•When the product is soaked (flooded or submerged) in water , contact an Authorized Service Center for repair before using it again.

-There is risk of fire or eletric shock.

•Be sure to check the refrigerant to the used. Please read the label on the product.

-Incorrect refrigerant used can prevent the normal operation of the unit.

•Don't use a power cord, a plug or a loose socket which is damaged.

-Otherwise it may cause a fire or electrical shock.

•Do not touch , operate, or repair the product with wet hands. Hold the plug by hand when taking out.

-There is risk of electric shock or fire.

•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.

•Do not store or use or even allow flammable gas or combustibles near the product.

-There is risk of fire.

Owner's Manual 3

Safety Precautions

•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.

•Safely dispose off the packing materials. Like screws, nails, batteries, broken things etc after installation or svc and then tear away and thraw away the plastic packaging bags.

- Children may play with them and cause injury.

•Make sure to check that the power cable plug is not dirty, loose or broken and then only insert the plug completely.

-Dirty, loose or broken power plug can cause electric shock or fire.

•In outdoor unit the step-up capacitor supplies high voltage electricity to the electrical components. Be sure to discharge the capacitor completely before conducting the repair work.

-An charged capacitor can cause electrical shock.

•When installing the unit, use the installation kit provided with the product.

-Otherwise the unit may fall and cause severe injury.

• Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment.

-The use of inappropriate parts can cause an electrical shock, excessive heat generation or fire.

•Do not use the product in a tightly closed space for a long time. Perform ventilation regularly.

-Oxygen deficiency could occur and hence harm your health.

•Do not open the front grille of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.)

-There is risk of physical injury, electric shock, or product failure.

•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.

-Oxygen deficiency can occur and hence harm your health.

•Turn the main power off and unplug the unit when cleaning or repairing the product.

-There is risk of electric shock.

•When the product is not to be used for a long time, disconnect the power supply plug or turn off the breaker.

-There is risk of product damage or failure, or unintended operation.

•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 shock.

•Do not plug or unplug the power supply plug to turn the unit ON/OFF .

-There is risk of fire or electric shock.

•When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on.

-Do not use the telephone or turn switches on or off. There is risk of explosion or fire.

!CAUTION

•Two or more people must lift and transport the product.

-Avoid personal injury.

•Do not install the product where it will be exposed to sea wind (salt spray) directly.

-It may cause corrosion on the product.

•Install the drain hose to ensure that the condensed water is drained away properly.

-A bad connection may cause water leakage.

•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 outdoor unit could damage or disturb the neighborhoods.

-It may cause a problem for your neighbors and hence dispute.

•Always check for gas (refrigerant) leakage after installation or repair of product.

-Low refrigerant levels may cause failure of product.

4 Multi Type Air Conditioner

	Safety Precautions

• Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner,		<![if ! IE]> <![endif]>ENGLISH
• Do not block the inlet or outlet of air flow.		<![if ! IE]> <![endif]>ENGLISH
not a precision refrigeration system.
- There is risk of damage or loss of property.
- It may cause product failure.
• Use a soft cloth to clean. Do not use harsh detergents, solvents or splashing water etc .
- There is risk of fire, electric shock, or damage to the plastic parts of the product.
• Do not touch the metal parts of the product when removing the air filter.
- There is risk of personal injury.
• Do not step on or put anyting on the product. (outdoor units)
- There is risk of personal injury and failure of product.
• Always insert the filter securely after cleaning. Clean the filter every two weeks or more often if necessary.
- A dirty filter reduces the efficiency.
• 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 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 unit when removing or uninstalling it. - The condensed water inside can spill.

• Do not mix air or gas other than the specified refrigerant used in the system.

- If air enters the refrigerant system, an excessively high pressure results, causing equipment damage or injury.

• If the refrigerant gas leaks during the installation, ventilate the area immediately. - Otherwise it can be harmfull for your health.

• Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done in accordance with local and national standards.

• Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries.

- There is risk of fire or product failure.

• Do not recharge or disassemble the batteries. Do not dispose off batteries in a fire. - They may burn or explode.

• If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries have leaked.

- The chemicals in batteries could cause burns or other health hazards.

• If you eat the liquid from the batteries, brush your teeth and see doctor. Do not use the remote if the batteries have leaked. - The chemicals in batteries could cause burns or other health hazard.

• Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. - Moisture may condense and wet or damage furniture.

• Do not expose your skin or kids or plants to the cool or hot air draft.

-This could harm to your health.

•Do not drink the water drained from the product.

-It is not sanitary and could cause serious health issues.

•Use a firm stool or ladder when cleaning, maintaining or repairing the product at an height.

-Be careful and avoid personal injury.

•Contact the authorized service technician for repair or maintenance of this unit.

•Contact the installer for installation of this unit.

•When the power cord is to be replaced, replacement work shall be performed by authorized personnel only using only genuine replacement parts.

•Installation work must be performed in accordance with the National Electric Code by qualified and authorized personnel only.

•The air conditioner should be used only for the applications for which it has been designed : the indoor unit is not suitable to be installed in areas used for laundry.

•This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and 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.

Owner's Manual 5

Product Introduction

Name and function of parts

Air intake	6 7
vents

Air outlet vents

1:Indoor unit

2:Outdoor unit

3:Wired remote controller

4:Inlet air

5:Discharge air

6:Refrigerant piping, connection electric wire

7:Drain pipe

8:Ground wire

wire to ground outdoor unit to prevent electrical shocks.

What to do before operation

A
1	2
	Wired
	remote controller
B	1
1	1

If your installation has a customized control system, ask your LG dealer for the operation that corresponds to your system.

A:Pair system or simultaneous operation system

B:Multi system

1:Unit with remote controller

2:Unit without remote controller (when used as simultaneous operation)

6 Multi Type Air Conditioner

Part Description

Wired Remote Controller

Part Description

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	8
	7
	9	2
	9
	10	3
	10	4
	11	4
	11
	12	5
	13	6
		6
	14
	15

1OPERATION INDICATION SCREEN

2 SET TEMPERATURE BUTTON

3 FAN SPEED BUTTON

4 ON/OFF BUTTON

5OPRATION MODE SELECTION BUTTON

6WIRELESS REMOTE CONTROLLER RECEIVER

•Some products don't receive the wireless signals.

7 AIR FLOW BUTTON

8 SUBFUNCTION BUTTON

9 FUNCTION SETTING BUTTON

10 VENTILATION BUTTON

11 RESERVATION

12 UP,DOWN,LEFT,RIGHT BUTTON

• To check the indoor temperature, press button.

13 ROOM TEMPERATURE BUTTON

14 SETTING/CANCEL BUTTON

15 EXIT BUTTON

ϕ Some functions may not be operated and displayed depending on the product type.

NOTE

ηDisplay temperature can be different from actual room temperature if the remote controller is installed at the place where sun-rays are falling directly or the place nearby heat source.

ηThe actual product can be different from above contents depending upon model type.

ηWhen using simultaneous operation system, whenever press remote controller button, system will approximately operate after 1~2 minutes.

Owner's Manual 7

Part Description

Wireless Remote Controller (Optional)

This air-conditioner is equipped with wired remote controller basically. But if you want to be available with wireless remote controller, you pay for it.

	1
	2	10
		11
	3	12
	4	13
	5
	6	14
	7	°C/°F(5 s)
	7	15
	8	15
		16
	9	TIME(3 s)
	9	17
		17

VANE ANGLE Button Used to set each vane angle. FUNCTION SETTING Button Used to set or clear Auto Clean, Smart Clean, Electric heater or Individual vane angle control. ON/OFF Button Used to turn on/off the unit. JET COOL Button Speed cooling operates super high fan speed. LEFT/RIGHT AIRFLOW Button (OPTIONAL) Used to set the desired left/right(horizontal) airflow direction. UP/DOWN AIRFLOW Button Used to stop or start louver movement and set the desired up/down airflow direction. ON TIMER Button Used to set the time of starting operation. SLEEP TIMER Button Used to set the time of sleeping operation. SET / CLEAR Button Used to set/clear the timer. Used to set the current time(if it input for 3sec.)

Operation Mode

Cooling Mode

Auto Mode or Auto Changeover

Dehumidification mode

Heating Mode

Fan Mode

• Cooling Model(), Heat Pump Model()

PLASMA Button (OPTIONAL) Used to start or stop the plasma-purification function. ROOM TEMPERATURE SETTING Button Used to select the room temperature. OPERATION MODE SELECTION Button Used to select the operation mode. INDOOR FAN SPEED SELECTION Button Used to select fan speed in four steps low, medium, high and chaos. ROOM TEMPERATURE CHECKING Button Used to check the room temperature. OFF TIMER Button Used to set the time of stopping operation. TIMER SETTING(Up/Down)/LIGHT Button

Used to set the timer. Used to adjust the brightness.(if it is not time adjust mode)

17	RESET

Button

Used to reset the remote controller.

!CAUTION

•Aim at the signal receiver on the wired remote controller so as to operate.

•The remote control signal can be received at a distance of up to about 7 m.

•Be sure that there are no obstructions between the remote controller and the signal receptor.

•Do not drop or throw the remote controller.

•Do not place the remote controller in a location exposed to direct sunlight, or near the heating unit, or any other heat source.

•Block a strong light over the signal receptor with a curtain or etc. so as to prevent the abnormal operation. (ex:electronic quick start, ELBA, inverter type fluorescent lamp)

NOTE

ηFor more details refer to the Wireless Remote Control Accessory manual.

ηThe actual product can be different from above contents depending upon model type.

8 Multi Type Air Conditioner

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