Inventor Air Conditioners L2VI-09, L2VO-09, L2VI-12, L2VO-12 Owner's Manual

Wall Mounted Unit

Owner’s Manual

Επιτοίχια Μονάδα

Εγχειρίδιο Χρήσης

English/Ελληνικά

Σας ευχαριστούμε που επιλέξατε τη μονάδα κλιματισμού της INVENTOR. Για τη σωστή χρήση της μονάδας. παρακαλούμε διαβάστε προσεκτικά το παρόν εγχειρίδιο και φυλάξτε το για αναφορά στο μέλλον.

Thank you for choosing INVENTOR air conditioning system. For correct use of this unit, please read this manual carefully and keep it for future reference.

L2VI-09 / L2VO-09 L2VI-12 / L2VO-12

This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmental safe recycling.

Content

Operation Notices

Precautions............................................................................................................1

Parts Name............................................................................................................6

ScreenOperation Guide

Buttons on remote controller

.................................................................................

Introduction for buttons on remote controller .........................................................9

Function introduction for combination buttons......................................................11

Operation guide...................................................................................................12

Replacement of batteries in remote controller .....................................................12

Emergency operation ..........................................................................................13

Maintenance

Clean and Maintenance.......................................................................................13

Malfunction

Malfunction analysis............................................................................................16

Installation Notice

Installation dimension diagram............................................................................20

Tools for installation .............................................................................................21

Selection of installation location ..........................................................................21

Requirements for electric connection..................................................................22

Installation

Installation of indoor unit......................................................................................23

Check after installation........................................................................................

Test and operation

Test operation ......................................................................................................28

Attachment

.........................................................................29

Pipe expanding method

Configuration of connection pipe

.......................................................................................31

Introduction for icons on display screen ................................................................

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.

R410A(R32/125: 50/50): 2087.5

Precautions

Do not connect air conditioner to multi-purpose socket.

This appliance can be used by children aged from 8

Operation and Maintenance

If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

Do not spray water on indoor unit. It may cause electric shock or malfunction.

Otherwise, it may cause fire hazard.

Children shall not play with the appliance. Cleaning and user maintenance shall not be made by

children without supervision.

years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.

Do not wash the air conditioner with water to avoid electric shock.

After removing the filter, do not touch fins to avoid injury. Do not use fire or hair dryer to dry the filter to avoid

deformation or fire hazard.

Do disconnect power supply when cleaning air conditioner. Otherwise, it may cause electric shock.

WARNING

Do not block air outlet or air inlet. It may cause malfunction.

remote controller may be broken.

● Power cord is overheating or damaged.

● There’s abnormal sound during operation.

● Circuit break trips off frequently.

● Air conditioner gives off burning smell.

● Indoor unit is leaking.

contact the dealer or qualified professionals for service.

When turning on or turning off the unit by emergency operation switch, please press this switch with an insulating object other than metal.

outlet. It may cause personal injury or damage.

Precautions

conditioner and disconnect power immediately, and then

If the air conditioner operates under abnormal conditions, it may cause malfunction, electric shock or fire hazard.

Do not spill water on the remote controller, otherwise the

electric shock or damage. Please contact dealer when you need to repair air conditioner.

Do not repair air conditioner by yourself. It may cause

objects. It may cause damage or personal injury.

Do not step on top panel of outdoor unit, or put heavy

When below phenomenon occurs, please turn off air

Do not extend fingers or objects into air inlet or air

Maintenance must be performed by qualified professionals. Otherwise, it may cause personal injury

or damage.

WARNING

Do install the circuit break. If not, it may cause malfunction.

of at least 3mm in all poles should be connected in fixed wiring.

magnet buckle

and heating buckle function, it can protect

the circuit-short and

overload.

power supply circuit and circuit break.

Precautions

note

the following table.Air switch should be included

Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner.

An all-pole disconnection switch having a contact separation

Must follow the electric safety regulations when installing the unit.

grounding wire of power socket.

Properly connect the live wire, neutral wire and

any work related to electricity and safety.

Be sure to cut off the power supply before proceeding

Including an circuit break with suitable capacity, please

Air Conditioner should be properly grounded. Incorrect

Don't use unqualified power cord.

grounding may cause electric shock.

According to the local safety regulations, use qualified

Installation must be performed by qualified professionals. Otherwise, it may cause personal injury or damage.

Attachment

WARNING

Installation must be performed in accordance with the

persons in order to avoid a hazard.

must be properly grounding with specialized grounding device by a professional. Please make sure it is always grounded effectively, otherwise it may cause electric shock.

The appliance must be positioned so that the plug is accessible.

If the length of power connection wire is insufficient, please contact the supplier for a new one. Avoid extending the wire by yourself.

All wires of indoor unit and outdoor unit should be connected by a professional.

national wiring regulations.

requirement of NEC and CEC by authorized personnel only．

Precautions

wire, which can't be used for other purposes.

The grounding resistance should comply with national electric safety regulations.

The air conditioner is the first class electric appliance. It

keep the interconnection cable away from the copper tube.

The temperature of refrigerant circuit will be high, please

the manufacturer, its service agent or similarly qualified

If the supply cord is damaged, it must be replaced by

The yellow-green wire in air conditioner is grounding

The appliance shall be installed in accordance with

Do not put through the power before finishing installation.

WARNING

The indoor unit should be installed close to the wall

reachable after finishing installation.

far away from animals or plants. If it is unavoidable, please add the fence for safety purpose.

Precautions

place, only the qualified person can perform the work. Otherwise, it may cause personal injury or damage.

If you need to relocate the air conditioner to another

must be installed in the line.

For the air conditioner without plug, an circuit break

Select a location which is out of reach for children and

For the air conditioner with plug, the plug should be

Working temperature range

Indoor side DB/WB(°C) Outdoor side DB/WB(°C)

Maximum cooling 32/23 43/26

Maximum heating 27/- 24/18

●

The operating temperature range (outdoor temperature) for cooling is -15℃~43℃; Heating temperature range for the model without electric heating belt for chassis is -15℃~24

Heating temperature range for the model with electric heating belt

for chassis is -20℃~24℃ .

NOTICE:

WARNING

(Display content or position may be different from above graphics, please refer to actual products)

Parts Name

Indoor Unit

remote control

air inlet

panel

aux.button

horizontal louver

air outlet

NOTICE:

Actual product may be different from above graphics, please refer to actual products.

Parts Name

Display content or position may be different from above graphics, please refer to actual products.

Display

W R G

temp. indicator

display

receiver window

W R O

temp. indicator

display

receiver window

heating indicator

temp. indicator

cooling indicator

power indicator

receiver window

drying indicator

display

For some model:

heating indicator

temp. indicator

cooling indicator

power indicator

receiver window

drying indicator

display

Power LED color indicator: Green-status-ON. Red -status-OFF.

Mode LED color indicator: White-W-Cool Mode-

Red-R-Heat Mode-

Green-G-Dry Mode-

Power LED color indicator: Green-status-ON. Red -status-OFF.

Mode LED color indicator: White-W-Cool Mode-

Red-R-Heat ModeOrange-O-Dry Mode-

(only for heating model)

Buttons on remote controller

Introduction for icons on display screen

1 2 3

4 5 6 7 8

9 10 11 12

ON/OFF button MODE button

- button + button FAN button

TIMER ON button X-FAN button

TEMP button TIMER OFF button

TURBO button

SLEEP button

LIGHT button

CLOCK button

button

Turbo mode

Send signal

Set temperature

Set time TIMER ON / TIMER OFF

Child lock

Up & down swing

Set fan speed

Light

Temp. display type

:Set temp.

:Outdoor ambient temp.

:Indoor ambient temp.

Sleep mode

Clock

Heat mode

Fan mode

Dry mode

Cool mode

Auto mode

Operation mode

1 3

5 7 9

2 4 6

X-fan mode

Introduction for buttons on remote controller

Note:

● After putting through the power, the air conditioner will give out a sound. Operation indictor " " is ON (red indicator). After that, you can operate the air conditioner by using remote controller.

●

Under on status, pressing the button on the remote controller, the signal icon " " on the display of remote controller will blink once and the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner.

● Under off status, set temperature and clock icon will be displayed on the display of remote controller (If timer on, timer off and light functions are set, the corre sponding icons will be displayed on the display of remote controller at the same

time); Under on status, the display will show the corresponding set function icons.

ON/OFF button

Press this button, the unit will be turned on, press it once more, the unit will be turned off. When turning on or turning off the unit, the Timer, Sleep function will be canceled, but the presetting time is still remained.

MODE button

Press this button, Auto, Cool, Dry, Fan, Heat mode can be selected circularly. Auto mode

- button

Presetting temperature can be decreased. Press this button, the temperature can be set up,

+ button

For presetting temperature increasing. Press this button, can set up the temperature, when unit is on. Continuously press and hold this button for more than 2 seconds, the corresponding contents will be changed rapidly, until unpress the button then send the information, ℃(℉) is displlaying all along. In Auto mode, the temperature can not be set up, but operate this button can send the signal. Centigrade setting range: 16-30; Fahrenheit scale setting range 61-86.

continuously press this button and hold for two seconds, the relative contents can quickly change, until unhold this button and send the order that the

℃(℉

) signal will be displayed all the time. The temperature adjustment is unavailable under the Auto mode, but the order can be sent by if pressing this button.

is default while power on. Under Auto mode, the temperature will not be displayed; Under Heat mode, the initial value is 28

℃

(82℉); Under other modes, the initial value is

℃

(77℉).

AUTO COOL DRY FAN HEAT

(Only for cooling and heating unit. As for cooling only unit, it won’t have any action when it receives the signal of heating operation.)

Introduction for buttons on remote controller

FAN button

Press this button, Auto, Low, Middle, High speed can be circularly selected. After

Press this button, to set up swing angle, which circularly changes as below:

This is an universal use remote controller. If remote controller sends the following three kinds of status that the swing status of main unit will be:

When the guide louver start to swing up and down, if turn off the Swing, the air guide louver will stop at current position.

which indicates the guide louver swings up and down between that all five positions.

powered on, Auto fan speed is default.

Note: Under the Dry mode, the fan speed isn't adjustable, low fan speed is imperative,

but when operating this button, the wireless adjustable, low fan speed is imperative.

button

Press this button, the clock can be set up, signal blink and display. Within 5 seconds, the value can be adjusted by pressing + or - button, if continuously press this button for 2 seconds above, in every 0.5 seconds, the value on ten place of Minute will be increased

1. During blinking, repress the Clock button, signal will be constantly displayed and it denotes the setting succeeded. After powered on,12:00 is defaulted to display and signal

is Clock value, otherwise is Timer value.

will be displayed. If there is signal be displayed that denotes the current time value

Middle fanLow fan

AUTO

High fan

OFF

CLOCK button

Timer On setting: Signal “ON” will blink and display, signal will conceal, the numerical section will become the timer on setting status. During 5 seconds blink, by pressing + or

will be increased or decreased 1 minute. Hold pressing + or - button, 2 seconds later, it

in the one place of minute, then the one place is constant, ten numbers change in the tens place of minute at 2.5 seconds speed and carry. During 5s blink, press the Timer button, the timer setting succeeds. The Timer On has been set up, repress the timer On button, the Timer On will be canceled. Before setting the Timer, please adjust the Clock to the current actual time.

quickly change, the way of change is: During the initial 2.5 seconds, ten numbers change

- button to adjust the time value of numerical section, every press of that button, the value

TIMER ON button

Introduction for buttons on remote controller

X-FAN button

Pressing X-FAN button in COOL or DRY mode, the icon is displayed and the

TEMP button

Press this button, could select displaying the indoor setting temperature or indoor

TIMER OFF button

Once press this key to enter into TIMER OFF setup, in which case the TIMER OFF

TURBO button

In Cool or Heat mode, press this button can turn on or turn off the Turbo function.

SLEEP button

Press this button, Sleep On and Sleep Off can be selected. After powered on, Sleep Off is defaulted. After the unit is turned off, the Sleep function is canceled. After Sleep function set up, the signal of Sleep will display.In this mode, the time of timer can be adjusted. Under Fan and Auto modes, this function is not available.

After turned on the Turbo function, its signal will be displayed. When switching the mode or changing fan speed, this function will be canceled automatically.

icon will blink. The method of setting is the same as for TIMER ON.

ambient temperature. When the indoor unit firstly power on it will display the setting temperature, if the temperature's displaying status is changed from other status to

control signal that will return to display the setting temperature. if the users haven't set up the temperature displaying status, that will display the setting temperature. (This function is applicable to partial of models)

After powered on, the setting temperature displaying is defaulted, (according to customers requirements to display, if there is no requirement that will default to display

Press this button, (When displaying ), will display presetting temperature; (when displaying ) will display indoor ambient temperature, current displaying status will not be changed. If current displays indoor ambient temperature, if received the other remote control signal, it will display presetting temperature, 5s later, will back to display the ambient temperature. (This function is applicable to partial ofmodels)

the presetting temperature and there is no icon displayed on wireless remote control).

" ", displays the ambient temperature, 5s later or within 5s, it receives other remote

indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you have turned off the unit. After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO, FAN or HEAT mode.

Introduction for buttons on remote controller

Introduction for special function

Press this button to select LIGHT on or off in the displayer. When the LIGHT on is set, the icon will be displayed and the indicator light in the displayer will be on. When the LIGHT off is set, the icon will be displayed and the indicator light in the displayer will be off.

LIGHT button

About X-FAN function

This function indicates that moisture on evaporator of indoor unit will be blowed after

About AUTO RUN

When AUTO RUN mode is selected, the setting temperature will not be displayed on

About turbo function

If start this function, the unit will run at super-high fan speed to cool or heat quickly so

About Blow over heat (This function is applicable to partial of models)

When the unit is running in Heat mode or Auto Heat mode, compressor and indoor fan is running, to turn the unit off, the compressor, outdoor fan will stop running. The upper and lower guide board rotate to horizontal position, then the indoor fan will run at low fan speed, 10s later, the unit will turn off.

that the ambient temp. approachs the preset temp. as soon as possible.

the LCD, the unit will be in accordance with the room temp. automatically to select the suitable running method and to make ambient comfortable.

the unit is stopped to avoid mould.

1. Having set X-FAN function on: After turning off the unit by pressing ON/OFF button

indoor fan will continue running for about 10 min. at low speed. In this period, press X-FAN button to stop indoor fan directly.

2. Having set X-FAN function off: After turning off the unit by pressing ON/OFF button,

the complete unit will be off directly.

Introduction for special function

About new function of defrosting

General operation

Under switch-off state, hold MODE key for 2 seconds to enter or exit defrost H1 function. After being energized, the defrost H1 function is defaulted off. When entering defrost H1 function, the double-8 nixie tube will display H1 under switch-off state. When adjusting to heat mode, the double-8 nixie tube will display in flash for 5 seconds at a frequency of 1 count/sec. After the flash is ended, the remote controller will display the preset heating temperature. Within these 5 seconds, press of +, - or TIMER key will cancel the display H1, while the double-8 nixie tube will display the preset temperature. To switch the display of temperature between Celsius and Fahrenheit after entering defrost H1 function, the temperature value to be switched will be displayed firstly before display of H1 after 5 seconds.

1. After powered on, press ON/OFF button, the unit will

Optional operation

1. Press SLEEP button, to set sleep.

2. Press TIMER ON and TIMER OFF button, can set

3. Press LIGHT button, to control the on and off of the

4. Press TURBO button, can realize the ON and OFF

start to run. (Note: when it is powered on, the guide

2. Press MODE button, select desired running mode.

3. Pressing + or - button,to set the desired temperature.

4. Pressing FAN button, set fan speed, can select AUTO

5. Pressing button, to select the swing.

louver of main unit will close automatically.)

(It isunnecessary to set the temp. at AUTO mode.)

FAN, LOW, MID and HIGH.

the scheduled timer on or timer off.

displaying part of the unit (This function may be not available for some units).

of TURBO function.

Operation guide

Replacement of batteries in remote controller

1. Press the back side of remote controller marked

the cover of battery box along the arrow direction.

2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar are correct.

3. Reinstall the cover of battery box.

battery

Cover of battery box

remove

reinstall

● During operation, point the remote control signal sender at the receiving window on indoor unit.

● The distance between signal sender and receiving window should be no more than 8m, and there should be no obstacles between them.

or wireless telephone; remote controller should be close to indoor unit during operation.

● Replace new batteries of the same model when replacement is required.

● When you don’t use remote controller for a long time, please take out the

batteries.

● If the display on remote controller is fuzzy or there’s no display, please replace batteries.

NOTICE

Emergency operation

Clean and maintenance

air conditioner. When the air conditioner is turned on, it will operate under auto mode.

aux. button

panel

WARNING:

Use insulated object to press the auto button

If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner. The operation in details are as below:

WARNING

NOTICE:

■ Turn off the air conditioner and disconnect the power before cleaning the air conditioner to avoid electric shock.

■ Do not wash the air conditioner with water to avoid electric shock.

■ Do not use volatile liquid to clean the air conditioner.

Clean surface of indoor unit

When the surface of indoor unit is dirty, it is recommended to use a soft dry cloth or wet cloth to wipe it.

● Do not remove the panel when cleaning it.

Clean and Maintenance

Clean lter

Open panel

Remove lter

Clean lter

Install lter

Pull out the panel to a certain

angle as shown in the g.

Remove the lter as indicated in the g.

● Use dust catcher or water to clean the lter.

● When the lter is very dirty, use

the water (below 45℃) to clean it, and then put it in a shady and cool place to dry.

Install the lter and then close the

panel cover tightly.

■ The lter should be cleaned every three months. If there is much dust in the

operation environment, clean frequency can be increased.

■ After removing the lter, do not touch ns to avoid injury.

■ Do not use re or hair dryer to dry the lter to avoid deformation or re hazard.

WARNING

Clean and Maintenance

1. Check whether air inlets are blocked.

2. Check whether air switch,plug and socket are in good condition.

3. Check whether ﬁlter is clean.

4. Check whether drainage pipe is damaged.

1. Disconnect power supply.

2. Clean ﬁlter and indoor unit’s panel.

Notice for recovery

1. Many packing materials are recyclable materials. Please dispose them in appropriate recycling unit.

2. If you want to dispose the air conditioner, please contact local dealer or consultant service center for the correct disposal method.

NOTICE: Checking before use-season

NOTICE: Checking after use-season

Malfunction analysis

General phenomenon analysis

Please check below items before asking for maintenance. If the malfunction still

can’t be eliminated, please contact local dealer or qualied professionals.

Phenomenon Check items Solution

Indoor unit can’t receive remote controller’s signal or remote controller has no action.

● Whether it's interfered severely

(such as static electricity, stable voltage)?

● Whether remote controller is

within the signal receiving range?

● Whether there are obstacles?

● Whether remote controller is

pointing at the receiving window?

● Is sensitivity of remote contro ller low; fuzzy display and no

display?

● No display when operating

remote controller?

● Fluorescent lamp in room?

● Pull out the plug. Reinsert

the plug after about 3min, and then turn on the unit again.

● Signal receiving range is 8m.

● Remove obstacles.

●

Select proper angle and point the remote controller at the re ceiving window on indoor unit.

● Check the batteries. If the

power of batteries is too low, please replace them.

● Take the remote controller

close to indoor unit.

● Turn off the uoresent lamp

and then try it again.

● Check whether remote cont-

roller appears to be damaged. If yes, replace it.

No air emitted from indoor unit

● Air inlet or air outlet of indoor

unit is blocked?

● Eliminate obstacles.

● Under heating mode, indoor

temperature is reached to set temperature?

● After reaching to set temper-

ature, indoor unit will stop bl owing out air.

● Heating mode is turned on just

now?

● In order to prevent blowing

out cold air, indoor unit will be started after delaying for sev eral minutes, which is a nor mal phenomenon.

Malfunction analysis

● Power failure?

● Is plug loose?

● Air switch trips off or fuse is

burnt out?

● Wiring has malfunction?

● Unit has restarted immediately

after stopping operation?

● Whether the function setting

for remote controller is correct?

● Reset the function.

● Wait for 3min, and then turn

on the unit again.

● Ask professional to replace it.

● Ask professional to replace

air switch or fuse.

● Reinsert the plug.

● Wait until power recovery.

Air conditioner can’t operate

Mist is emitted from indoor unit’s air outlet

● Indoor temperature and hum-

idity is high?

● Because indoor air is cooled

rapidly. After a while, indoor temperature and humidity will be decrease and mist will disappear.

Phenomenon

Check items Solution

Set temperature can’t be adjusted

● Unit is operating under auto

mode?

● Temperature can’t be adju-

sted under auto mode. Please switch the operation mode if you need to adjust temperature.

● Your required temperature

exceeds the set temperature range?

● Set temperature range:

16℃~30℃.

Cooling (heating) effect is not good.

● Voltage is too low?

● Wait until the voltage

resumes normal.

● Filter is dirty? ● Clean the lter.

● Set temperature is in proper

range?

● Adjust temperature to proper

range.

● Door and window are open? ● Close door and window.

+ 50 hidden pages

Inventor Air Conditioners L2VI-09, L2VO-09, L2VI-12, L2VO-12 Owner's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual