LG PRCKD21E.ENCXIDA Manuale del proprietario

www.lg.com

P/NO : MFL62171707

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

reference.

AHU CONTROL KIT

OWNER’S MANUAL

AIR

CONDITIONER

ENGLISH ITALIANO

ESPAÑOL

FRANÇAIS DEUTSCH

PORTUGUESE

2 AHU CONTROL KIT

AHU CONTROL KIT Owner's Manual

TABLE OF CONTENTS

■ Safety Precautions ..............................................................3

■ Necessary sensor by operating mode ................................6

■ Part Description ...................................................................7

■ Basic operation of wired remote controller .........................8

■ Main function of wired remote controller.............................9

■ Supplementary function of wired remote controller ..........11

■ Humidifier........................................................................................11

■ Desired humidity control .................................................................12

■ Auto ventilation ...............................................................................13

■ Desired CO

2 level control ................................................................14

■ Reservation function of wired remote controller ...............15

■ Changing Current Time .................................................................15

■ Programming : Setting Simple Reservation..................................17

■ Programming : Setting ON Reservation........................................18

■ Programming : Setting OFF Reservation......................................19

■ Programming : Weekly Reservation..............................................20

■ Programming : Holiday Reservation .............................................22

■ Setting function of wired remote controller installation .....23

■ How to start installation setting mode ...........................................23

■ Setting function by code ................................................................24

■ Central control address setting......................................................25

■ Damper opening setting ................................................................26

■ Remote control Master/Slave setting ............................................28

■ Manual operating mode.....................................................29

■ SA fan operation ............................................................................29

■ RA fan operation ............................................................................29

■ Inspect light operation....................................................................30

■ Check before requesting for service .................................31

■ Test run ..............................................................................32

■ Self diagnosis function...................................................................32

Safety Precautions

Owner's Manual 3

ENGLISH

■ Installation

Safety Precautions

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

■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is

classified by the following indications.

■ Meanings of symbols used in this manual are as shown below.

WARNING

CAUTION

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

Be sure not to do.

Be sure to follow the instruction.

WARNING

Always ground the product.

• If the product is not grounded

properly, it can cause an

electric shock.

When installing the product,

always install the electric

circuit breaker and the

exclusive switch.

• If they are not installed, it can

cause a fire or an electric

shock.

Do not use damaged circuit

breaker or exclusive switch.

• It can cause a fire or an

electric shock.

Do not store or use

flammable gas or volatile

substance near the air

conditioner.

• It can cause a fire or problem

to the product.

Do not bend or damage the

power cable.

• It can cause a fire or an

electric shock.

For the electric

construction, request for

service to the distributor or

the service center.

•

Arbitrary disassembly or repair

can cause a fire or an electric

shock.

System air conditioner can

only be installed by

specialized service provider

with air condition

installation certifications.

• Inappropriate installation can

cause leakage, fire and

electric shock.

When moving or reinstalling

the air conditioner, please

contact the

MULTI VTM AHU

installation service provider.

• Inappropriate installation can

cause leakage, fire and

electric shock.

Do not disassemble, repair

or reconfigure the product

arbitrarily.

• It can cause a fire and electric

shock.

Safety Precautions

4 AHU CONTROL KIT

The electric construction

must be performed by an

electrician for electric

installation based on the

installation manual and

designated circuit diagram.

• Use of inappropriate wire and

electric construction, can

result in an electric shock or

a fire. Technical standard for

electric equipment

Use designated installation

material at the designated

location for the product

installation.

Do not install the product

outdoors.

When opening the box or

installing the product, be

careful of any sharp objects.

• It can cause an injury.

Use the fuse of rated

capacity.

• It can cause a fire or an

electric shock.

For the product installation,

request for service to the

service center or the

installation service provider.

•

It can cause a fire , an electric

shock, an explosion or an injury.

■ Operation

Do not let water get inside

(Controller) the product.

Especially do not wash the

product with water.

• It can cause an electric shock

or a problem to the product.

Do not leave the product

near a heating device.

• It can cause a fire.

Do not change or expend

the power cord arbitrarily.

• It can cause a fire or an

electric shock.

Use exclusive cable for the

product.

• It can cause a fire or an

electric shock.

If you hear or smell a weird sound

or odor, or if you see smoke from

the product or if you experience a

power outage, pull down the main

power switch.

• If not, it can cause a fire or an

electric shock.

Do not put any heavy

objects on top of the power

cable.

• It can cause a fire or an

electric shock.

Do not let the work or the

user get on top of the

product.

• He or she can fall over to get

injured.

Do not use any heating devices

near the power cable.

• It can cause a fire or an

electric shock.

Do not turn off the power

with the main power switch

while the product is

operating.

• It can cause a fire or an

electric shock.

Do not operate the switch

with wet hands.

• It can cause a fire or an

electric shock.

If you are not planning to use the

product for a long period of time,

pull down the main power switch.

• It can cause a fire or an

electric shock.

If the gas leaks, open the

window to ventilate the

room before operating the

product.

• It can cause an explosion or

a fire.

Safety Precautions

Owner's Manual 5

ENGLISH

When installing the product,

make sure to level the

product.

• It can cause vibration or

leakage.

Do not install the product at

a location where flammable

gas is leaking.

• It can cause a fire or a

problem to the product.

Do not carry the product by

yourself.

• You can get injured by doing

so.

■ Operation

CAUTION

Do not put containers with water on top of the product.

• If the water spills over, it can cause a fire or an electric shock.

6 AHU CONTROL KIT

Necessary sensor by operating mode

Operating mode Necessary sensor Function

SA temperature sensor

RA temperature sensor

- This runs indoor cooling.

-

Initial external air inlet setting is 30% of the air

supply during the air conditioning and this can be

changed by the user. But, when the damper actuator

is installed on AHU, the setting can be changed.

- This runs the indoor heating.

-

Initial external air inlet setting is 30% of the air

supply during the heating and this can be changed

by the user. But, when the damper actuator is

installed on AHU, the setting can be changed.

-

This is the operating function to run indoor air

conditioning by controlling multiple outdoor units by

comparing the enthalpy of the indoor/outdoor air.

-

During the Energy saving operation, the operation switches

between partial air conditioning operation (Controlling

multiple outdoor units) and fresh air conditioning operation

(Outdoor unit OFF, 100% external air flow).

-

This is operating function is mainly used in between

seasons. But if there is no OA temperature/humidity

sensor and RA temperature/humidity sensor on the

AHU, the energy saving operation cannot be selected.

-

This is the operating function to remove the indoor

humidity when the humidity level indoor is excessive.

-

During the dehumidification operation, the set value

is 50%RH and the user cannot change this setting.

But if there is no OA temperature/humidity sensor

and RA temperature/humidity sensor on the AHU,

the dehumidification operation cannot be selected.

-

This is the operating function to control the humidity to

the set value by detecting the indoor humidity level.

- This can be selected during heating operation.

But if there is no humidifier/humidifying valve and

RA temperature/humidity sensor on the AHU, the

humidification operation cannot be selected.

- When the mixing temperature during the heating

operation is below the set value (5°C),

preheating device automatically operates. The

preheating device and mixing temperature

sensor must be installed on AHU for this to

operate automatically.

-

This is the operating function to control the amount of

external air flow so that the CO

2

level is controlled

within the set level by detecting the indoor CO

2

level.

- The initial CO

2

level is set to 1000ppm, and can

be changed by the user.

-

This function operates when auto ventilation

operation (Additional operation) is selected during

air conditioning or heating operation. But if there is

no CO

2

sensor and damper actuator on the AHU,

the auto ventilation operation cannot be selected.

SA temperature sensor

RA temperature sensor

SA temperature sensor

RA temperature sensor

SA temperature sensor

RA temperature sensor

Mixing temperature/

humidity sensor

SA temperature sensor

RA temperature sensor

CO

2 sensor

Damper actuator

SA temperature sensor

RA temperature sensor

OA temperature/

humidity sensor

SA temperature sensor

RA temperature sensor

OA temperature/

humidity sensor

Damper actuator

Cooling

Heating

Energy saving

Dehumidification

Humidification

Auto ventilation

Preheating

Necessary sensor by operating mode

Owner's Manual 7

ENGLISH

Part Description

Name and Function of Remote Controller

OPERATION INDICATION

SCREEN

SET TEMPERATURE Button

WIRELESS REMOTE

CONTROLLER RECEIVER

• Some products don't receive the

wireless signals.

VENTILATION Button

OPERATION MODE SELECTION

Button

SUBFUNCTION Button

FUNCTION SETTING Button

EXIT Button

ON/ OFF Button

ROOM TEMPERATURE Button

RESET Button

FAN SPEED Button

AIR FLOW Button

RESERVATION/ TIME SETTING

Button

SETTING/ CANCEL Button

UP, DOWN, LEFT, RIGHT Button

1

9

12

11

13

3

5

6

2

4

10

14

15

7

8

16

Please attach the inform label inside of the door.

Please choose proper language defend on your

country.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

• 3/4/12/13 does not work.

• 6 Additional operation button depends on the application of the sensor.

8 AHU CONTROL KIT

Basic operation of wired remote controller

Press the On/Off button on the control

part of the remote controller to start the

operation.

1

Press the Operation Selection button to

set the operating mode (Cooling/Heating

etc.).

2

Press the Temperature Control button to

set the desired temperature below the

indoor temperature. (Based on air

conditioning operation)

3

When you press the On/Off button

during use, the operation will stop.

4

(Example) Remote controller

display window

▲ Indoor

temperature

▲ Desired

temperature

During the initial operation, the

desired temperature is

automatically set below the indoor

temperature.

Basic operation of wired remote controller

Main function of wired remote controller

Owner's Manual 9

ENGLISH

Every time you press the On/Off button,

the ON and OFF will be repeated.

1

Every time you press the Operation Selection

button, it will change in the order of

Cooling

→

Dehumidification

→

Heating

→

Energy

saving

→

Ventilation

.

There are operating modes

that cannot be set depending

on the applied sensor.

2

Main function of wired remote controller

10 AHU CONTROL KIT

Every time you press the Temperature

Control button and the Up/Down button,

the desired temperature will change.

Cooling/Energy saving:

18~30°C / Heating: 16~30°C

Dehumidification/Ventilation:

Desired temperature cannot be changed

3

When you press the Indoor Temperature

button, the Return Temperature of AHU will

be displayed for about 5 seconds.

4

To check the current humidity, press the ‘Left’

button when the indoor

temperature is displayed and

the indoor humidity will be

displayed at Display ‘C’.

To check the current CO

2

level,

press the ‘Right’ button when

the indoor temperature is

displayed and the current

CO

2

level will be

displayed at Display ‘C’.

5

Current humidity / CO2 level

(Function set by code)

* Code 01: Current humidity

* Code 02: Current CO

2 level

: Current humidity

: Current CO

2 level

Function

Code

Setting

(Example)

<Current CO

2

level: 1500ppm>

Owner's Manual 11

Supplementary function of wired remote controller

Press the Additional Operation

button.

1

When the Humidifier icon

flashes in Display ‘B’, press the

Set/Cancel button to start the

humidifier.

2

When you press the OK/CLEAR

button one more time, the

humidifier will stop.

3

B

* Humidifier can only be set during heating

operation.

* Humidification operation can only be used when

the humidifier is installed.

* The humidification operation is controlled by the

desired temperature set.

Supplementary function of wired remote controller

ENGLISH

Humidifier

12 AHU CONTROL KIT

Supplementary function of wired remote controller

Desired humidity control

Press the Function Setting

button.

1

Set the Function Code of

Display ‘C’ to 01.

2

Press the Up/Down button to set

the target humidity.

3

Press the OK/CLEAR button to

decide the desired humidity.

4

C

Display C: Desired humidity

(Function set by code)

* Code 01: Desired humidity

: Desired humidity

Function

Code

Setting

(Example)

* Desired humidity can be controlled in the range

of 40~60% by 5% increment.

* Default humidity is set to 50%.

Owner's Manual 13

ENGLISH

Supplementary function of wired remote controller

Press the Additional Operation

button.

1

When the Auto icon flashes in

Display ‘A’, press the OK/CLEAR

button to start the Auto Ventilator.

2

When you press the OK/CLEAR

button one more time, the Auto

Ventilator will be canceled and

return to the previous operating

condition.

3

A

Auto ventilation

* Auto Ventilator function can only be set during

the Cooling/Heating operation.

14 AHU CONTROL KIT

Supplementary function of wired remote controller

Press the Additional Operation

button.

1

Set the Function Code of

Display ‘C’ to 02.

2

Press the Up/Down button to set

the target CO

2 level.

3

Press the OK/CLEAR button to

set the target CO

2 level.

4

C

Display C: CO2 level

(Function set by code)

* Code 02: Desired CO

2 level

: Desired CO

2 level

Function

Code

Setting

(Example)

Desired CO

2

level control

* Desired CO

2

level can be controlled in the range

of 500~1500ppm by 100ppm increment.

* Default humidity is set to 1000ppm.

Owner's Manual 15

ENGLISH

Reservation function of wired remote controller

Keep pressing button for 4

secs to enter Setting current

time mode.

Ex) Changing Current Time as

'Monday / AM 10:20'.

1

Press key to adjust the current

day.

2

Press key to move to AM/ PM setting

mode (the 'AM/ PM segment will flash).

3

Setting AM/ PM value by

pressing button.

4

Press button to move to 'Hour'

setting mode. (the 'Hour' segment will

flash)

5

Setting Hour value by pressing

button.

6

Reservation function of wired remote controller

Changing Current Time

16 AHU CONTROL KIT

Reservation function of wired remote controller

Press button to move to 'Minute'

setting mode. (the 'Minute' segment will

flash)

7

Setting Minute value by pressing

button.

8

Press button to finish.

9

In the process, press

button to release and exit

from setting mode.

(In case of exit with

incomplete information, it will

return to the previous setting )

10

Owner's Manual 17

ENGLISH

Reservation function of wired remote controller

Programming : Setting Simple Reservation

Press button to enter the

Programming mode.

(the segment flashing)

Ex) Setting Simple Reservation

time as '3'.

1

Press button to adjust

reservation time.

2

Press button to finish setting.

3

Adjusting the reservation time after finish

reservation setting will release the

previous one.

4

In case of there is not any reservation setup on system, it is possible to make a SIMPLE reservation

on indoor unit.

❊ If the indoor is ON, we can make the reservation for turning OFF. In reserve, if the indoor is OFF,

we can set the timer for turning ON. The reservation time is from 1 to 7 hours.

18 AHU CONTROL KIT

Reservation function of wired remote controller

Programming : Setting ON Reservation

Press button.

Ex) Setting ON Reservation

Time as 'AM 10:20'.

1

Repeat pressing button to

enter the ON reservation

setting mode.

( segment flashing)

2

Press button to adjust AM/ PM

setting.

3

Press button to Hour setting

mode. When the Hour icon flash, please

setting time.

The setting range is within 1~12.

4

Press button to shift to Minute

setting mode. When the Minute icon

flash, please setting minute the setting

range is within 00~59.

5

Press button to finish setting.

6

This function is able to turn air conditioner ON after a setting time.

Owner's Manual 19

ENGLISH

Reservation function of wired remote controller

Programming : Setting OFF Reservation

Press button.

Ex) Setting OFF Reservation

Time as 'AM 10:20'.

1

Repeat pressing button to

enter the OFF reservation

setting mode.

( segment flashing)

2

Press button to adjust AM/ PM

setting.

3

Press button to shift to Hour

setting mode. When the Hour icon flash,

please setting time.

The setting range is within 1~12.

4

Press button to shift to Minute

setting mode. When the Minute icon

flash, please setting minute the setting

range is within 00~59.

5

Press button to finish setting.

6

This function is able to turn air conditioner OFF after a setting time.

20 AHU CONTROL KIT

Reservation function of wired remote controller

Programming : Weekly Reservation

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

1

Press left, right button to adjust the

current day.

2

Press up, down button to adjust the

action number.

3

Press right button to move to 'Hour'

Part on ON Time section.

(The 'Hour' segment will be flashed)

4

Press right button to move to

'Minute' Part on Start time section.

(The 'Minute' segment will be

flashed)

6

Press up, down button to adjust the

Hour on Start Time section.

5

Start Time Section

The weekly reservation is active after setting current time

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