LG AK-H1208C02 Guida del prodotto

Single Package

Heat Pump (50Hz, R410A)

5CUK0-01A

Preface

LG Electronics Inc.

Air Conditioning & Energy Solution Company

Thank you very much for your special patronage of LG air conditioners.

LGʼs "Roof Top or Single Package" is an ideal choice when we talk about high load applications.

As the name Roof Top signifies, this unit is generally installed on the top of the roof. Also the Single Package signifies that

both condenser and evaporator are enclosed in a single body(same as window type). The unit is used along with ducts and

has flexible air flow as per installation conditions. The air flow can be horizontal or vertically downward which offers wider

flexibility in the field applications.

This unit is ideal for Single story and Double story houses as they offer high static pressure.

With its easy installation and simple control system, this product is suitable for Factories, Shopping malls, Multiplex, Hotels

etc.

A lot of information regarding the design & installation of this system is provided in this edition. This new product series con-

tains data on the same pattern.

Please utilize all the information for conducting your business efficiently.

Make sure the specification, dimensions and other technical data are same as provided in enginering data book before you

start the project.

We look forward to your continuing support.

Introduction

Single Package

1. Model line up

2. Nomenclature

3. Features & Benefits

4. List of functions

5. Specifications

6. Dimensions

7. Roof Curbs

8. Wiring diagrams

9. Selection procedure

10. Performance data

11. Electrical data

12. Piping diagrams

13. Operation range

14. Controller

15. Installation guide at the seaside

16. Appendix

1. Model line up

50Hz, R410A _ 1

Single Package

1.1 Heat Pump

Nominal Capacity

AK-H1208C02

AK-H1808C02

AK-H2408C02

R410A

Model

Refrigerant Model Name

Power Supply

V, Ø, Hz

380-415V, 3Ø, 50Hz

2. Nomenclature

Single Package

2_ 50Hz, R410A

Single Package

AK-H1808C02

SEER Grade

10 11 12 13 14 15

MICOM Control

012345

Mechanical Cont.

There is no SEER regulation for these units

so "0" is allotted to these units.

ACBDEF

SEER

Type

3~5RT

6~30RT

Development Sequence

Type of Flow

C: Convertible

8 : 380-415V, 3Ø, 50Hz

Electric Standard (Volts, Freq., Phase)

Ex) 120 : 120,000 Btu/h Class

180 : 180,000 Btu/h Class

240 : 240,000 Btu/h Class

Heating Capacity

H : Heat Pump

Model Type

AK : LG Single Package Air Conditioner,

Changwon, R410A

Type of Air Conditioner

3. Features & Benefits

50Hz, R410A _ 3

Single Package

nEasy Installation, Maintenance & Sevice

• Compact & light weight design

• U-shape Air Flow.

• Safety Condenser Fin Guard

• Forklift Base rail

• Easy access Panel.

nReliablity

• Time delay relay is standard component

• Low pressure Switch is standard component

• LG Scroll compressor with internal high-pressure & over-

current protector

• Strainer is adopted

• Durable painting steel cabinet

• Factory charged refrigerant

• Belt-drive blower Motor.

• Direct-drive PSC condenser fan Motor

Easy Installation, Maintenance & Service

The unit can be installed outside to save valuable indoor space or where no ceiling space is available. Install

the unit on the ground or on the roof. This means that the installation is totally flexible depending on your

requirements.

Since the unit has not been split into two, maintenance is easy, especially because all access panels are on the

same side of the unit and all wiring inside has been colour coded.

Additional functions available with duct system

All units come standard in Reverse Cycle, however electric heating can be added (Electric Heating provided

by Specialist Dealers). You have complete control over the fresh air input, amount of air purification and

zone controls (extras provided by Specialist Dealers), all using the powerful LG control system.

Typical Installation

①Roof Jack Installation

②Slab on Ground Installation

3. Features & Benefits

Single Package

4_ 50Hz, R410A

Single Package

Auto Restart Operation :

- Whenever there is electricity failure the system shuts off and resumption of the power, unit will start in the

same mode as prior to the power failure. Memorized condition are on / off condition, operating mode (cool-

ing/heating), set temperature and fan speed.

LCD Wired Remote Control :

- It can control all the functions of the unit. You can

check/set temperature, change operation mode, set

timer & also diagnose the error of the unit. It also

has the weekly program.

Two Thermistor Control(Return Air

Control):(Accessory)

- There may be a significant difference between the return air temperature in the duct and the room tempera-

ture. Return air sensing tempeaturee is designed to control temperature more accurately by applying addition-

al thermistor which senses the return air temperature inside the duct specially.

After selecting the duct thermistor, which is connected to the main PCB, the room temperature measurement

by LCD wired remote control thermistor is neglected. It helps to control the room temperature more accurate-

ly.(Thermistor is a field-installed accessory)

Group Control : (Accessory)

- It enables to control max of 16 units with the help of

one wired remote controller. All the units will follow

same setting of temperature & other sub functions.

12 16........

........

3. Features & Benefits

50Hz, R410A _ 5

Single Package

Defrost / Deicing :

- In the heating mode, it prevents the ice formation on the outdoor unit. The heating cycle is reversed to the cooling

cycle to defrost the evaporator pipe of the outdoor unit. While defrost cycle, the compressor is on and indoor fan, out-

door fan and 4-way valve are off.

Hot Start Function :

- During starting of the unit in the heating mode it prevents cold air blow from the unit.It starts the indoor fan only after

indoor unit pipe temperature reaches a preset value.

Time Delay Relay :

- It delays restarting of the compressor by three minutes thereby preventing damage to the compressor .

Self Diagnosis Function :

- This function provides diagnosis of the unit. An error code will be displayed on the LCD wired remote controller &

diagnosis can be done as per the code indication.The

same is also printed on key cover of the LCD wired

remote controller.

Central Control :(Accessory)

- It enables to control 16 x 8 = 128 units with the help of 8

controllers. All units can be put on and off from one

Central Room.For Setting Temperature, Fan Speed and

other sub functions, access the LCD wired remote con-

troller of each unit.

Main�

PCB

Controller�

# 1

Controller�

# 2

Controller�

# 8

(T/B: Terminal Block)

M�

T/B�

M�

T/B�

M�

T/B�

M�

T/B�

M�

T/B�

M�

128

T/B�

128

Child Lock Function :

- It prevents the children or others from tampering with the control

buttons.

Press button repeatedly until the is flashing.

If moving to 'setup' icon area by using button, 'setup' icon

blinks, and child lock function is setup if pressing button at

that time.

When cancelling lock function, if moving to 'cancel' icon by

pressing button and then, pressing button, child lock

function is cancelled. Press button to exit.

hAfter setup, it automatically gets out of setup mode if there is

no button input for 25 seconds.

hWhen exiting without pressing set button, the manipulated

value is not reflected.

3. Features & Benefits

Single Package

6_ 50Hz, R410A

Single Package

Weekly Program :

- It provides on / off schedule of operation for a period of one

week.

Wireless Remote Control:

(Accessory)

- It provides ease of control.

Electric Heater:

(Accessory)

- Electric Heater can be used to provide heat in addition to cycle

heat. It also provides quick heating. It can also work as a stand

alone heater with only fan operation.

Fire Alarm Function:

- By purchasing a fire alarm locally, installation of the fire alarm is

possible.In case of any fire, alarm will sound and the unit will be

completely stopped.

Energy Saving Gold Fin:

- Single Package Heat Exchanger fins are coated with anticorro-

sive & hydrophilic layers. It prevents the corrosion of heat

exchanger. Fins remains as new even after long time and main-

tains efficiency of heat exchanger. Saves power & maintenance

Cost.

Soft Start Function:

- All single package air conditioners has soft start function i.e.

Indoor fan, outdoor fan & compressor start in sequence to pre-

vent overcurrent during starting.

Gold fin

Uncoated aluminum

LG Gold Fin™

Corrosion free

Conventional

starting to

corrode

After 15 days

[Salt spray test for 15 days]

4. List of functions

50Hz, R410A _ 7

Single Package

Note :

O : Applied X : Not applied

Accessory model name : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate

package.

Please refer to the Electric Heating Capacity data for electric heaterʼs information available according to each model.

Category Functions

AK-H1208C02/AK-H1808C02/AK-H2408C02

Air flow

Air supply outlet 1

Airflow steps (fan/cool/heat) 1 / 1 / -

Jet cool/heat X / X

Air purifying Long-life prefilter (washable / anti-fungus) O

Installation E.S.P. control X

Electric heater LKAEH09B / LKAEH18B(D) / LKAEH36B(D) / LKAEH36BL

Reliability

Hot start X

Self diagnosis O

Soft dry operation X

Defrost / Deicing X

High pressure switch O

Low pressure switch O

Phase protection O

Restart delay (3-minutes) O

Soft start O

Test function O

Convenience

Auto changeover X

Auto operation(artificial intelligence) X

Auto Restart O

Child lock O

Group control PZCWRCG3

Sleep mode O

Timer(on/off) O

Timer(weekly) O

Two thermistor control PQRSTA0

Night Silent Operation X

Individual

control

Wired remote controller O

Deluxe wired remote controller X

Simple wired remote controller X

Simple Wired remote controller(for hotel use)

Extension wire for Wired remote controller PZCWRC1

Wireless remote controller PQWRCSF0

Network Function

General central controller (Non LGAP) X

Network Solution(LGAP) O

Dry contact

PQDSA(1)/PQDSB(1)/PQDSBC/PQDSBNGCM1/PQDSBCGCD0

PDI(power distribution indicator)

PI 485

PNF-P14A0C

Special

function kit

Zone controller X

CTI(Communication transfer interface) PKFC0

Electronic thermostat X

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