LG LK-C1208C02 Installation Manual Download Page 6 | Manualshive

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6

TABLE OF CONTENTS

ENGLISH

2

TIPS FOR SAVING

ENERGY

3

IMPORTANT SAFETY
INSTRUCTIONS

7

INTRODUCTION

7

Features

8

DIMENSIONAL DATA

11

INSTALLATION OF UNIT

11

Inspection

11

Location and Recommendations

12

Ductwork

12

Change Airflow

13

Refrigerant piping on three principles

14

Nitrogen substitution method

15

Condensate Drain Piping

15

Filter Installationv

15

Installation of Remote Controller

19

Electronic Wiring

20

Connect the cable to the Product

22

Start-Up Pre-Start Quick Check List

23

Dip Switch Setting in Indoor Main PCB

23

Group Control

24

Evaporator Fan Adjustment

25

Trial Run Mode

26

Self-Diagnosis Function

27

Starting the Unit

28

Final Installation Checklist and
Maintenance

30

Installation guide at the seaside

TABLE OF CONTENTS

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Summary of Contents for LK-C1208C02

Page 1: ...tion manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly TYPE SINGLE PACKAGE ENGLISH ESPAÑOL ...

Page 2: ...condi tioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You c...

Page 3: ... Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is ris...

Page 4: ...re or failure of product Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur When flammable gas leaks turn off the gas and open a window for ventilation before turn the prod uct on Do not use the telephone or turn switches on or off There is risk of explosion or fire If strange sounds or small or smoke comes from product Turn the breaker off or disconnect...

Page 5: ...air from the outdoor unit could damage the neigh borhoods It may cause a problem for your neighbors Don t use people to 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 Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficien...

Page 6: ... 14 Nitrogen substitution method 15 Condensate Drain Piping 15 Filter Installationv 15 Installation of Remote Controller 19 Electronic Wiring 20 Connect the cable to the Product 22 Start Up Pre Start Quick Check List 23 Dip Switch Setting in Indoor Main PCB 23 Group Control 24 Evaporator Fan Adjustment 25 Trial Run Mode 26 Self Diagnosis Function 27 Starting the Unit 28 Final Installation Checklis...

Page 7: ...INTRODUCTION ENGLISH 7 Features Front View Return Control access panel Refresh air hood Air intake vents Supply Air outlet vents Rear View INTRODUCTION ...

Page 8: ... 7 5 16 185 F 2 3 8 60 2 3 8 60 G 2 3 4 70 2 15 16 70 E G F Center line of hole A B CLEARANCE 36 CLEARANCE 18 HORIZONTAL CLEARANCE 32 DOWN FLOW CLEARANCE 34 1 Dia hole control wires 1 1 2 Dia hole power wires 1 1 2 Dia hole other purpose CLEARANCE 48 D C A G H B C D E SUPPLY RETURN F Figure 1A Figure 1B Figure 1C UNITS 7 5RT A 27 9 16 700 B 18 5 16 465 10 15 16 278 9 3 16 233 14 9 16 370 6 13 32 1...

Page 9: ...32 950 39 3 8 1000 G 4 1 32 102 5 1 8 130 5 13 32 137 5 H 30 5 8 778 31 1 2 800 25 19 32 650 UNITS 8 5 10 12 5RT 15 17 5RT 20 25RT A 15 11 32 390 17 29 32 455 23 5 8 600 B 12 9 16 319 14 11 32 364 15 5 8 396 C 18 1 2 470 18 3 4 476 34 5 8 880 D 6 5 16 160 6 31 32 177 6 11 16 170 E 2 11 16 68 3 27 32 98 6 4 8 165 F 35 7 16 900 37 13 32 950 39 3 8 1000 G 2 11 16 68 3 27 32 98 6 11 16 170 H 30 3 4 78...

Page 10: ...0 F 31 8 16 800 G 36 4 16 920 Unit Inch mm CLEARANCE 34 CLEARANCE 16 CLEARANCE 34 CLEARANCE 46 A G F E B C D Figure 1G Horizontal FLOW APPLICATION Figure 1H UNITS 30RT A 49 17 16 1255 B 7 9 16 192 C 22 1 16 561 D 4 6 16 111 E 34 13 16 885 F 12 16 19 G 3 2 16 80 H 4 8 16 115 I 77 7 16 1967 Unit Inch mm A I H B C E D F G SUPPLY RETURN Figure 1H ...

Page 11: ...s and service clearances are given in Figure 1 Placing and Rigging Rig the unit using either belt or cable slings The sling eyelet must be placed through the lifting holes in the base rail of the unit The point where the slings meet the lifting eyelet should be at least 1 8m above the unit Use spreader bars to prevent excessive pressure on the top of the unit during lifting Roof Mounted Units On n...

Page 12: ... barrier side Ductwork Ductwork construction guidelines Connections to the unit should be made with 3 76 mm canvas connectors to minimize noise and vibration transmission Elbows with turning vanes or splitters are rec ommended to minimize air noise and resist ance The first elbow in the ductwork leaving the unit should be no closer than three times blower diameter to avoid turbulence and back pres...

Page 13: ... EEV Capillary Gas shortages Degradation of refrigerant oil Poor insulation of the com pressor Do not cold and warm Counter measure No moisture in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Stop plumbing at rainy day Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe entrance should be taken down Pipe entr...

Page 14: ...to avoid this problem Welding should be done after replacing air by nitrogen gas When welding plumbing pipe the work is required 1 Always use the nitrogen not use oxygen carbon dioxide and a Chevron gas Please use the following nitrogen pressure 0 02 MPa Oxygen Promotes oxidative degradation of refrigerant oil Because it is flammable it is strictly prohibited to use Carbon dioxide Degrade the dryi...

Page 15: ...em Filter Installation This Unit Filters are anti bacteria and washable type The filter is placed in the flange connected on the return opening It can be removed by opening the cover plate on the side of the flange The flange can be dettached and connected to the bottom return opening when down flow installation is requried Installation of Remote Con troller 1 Please insert wired remote controller...

Page 16: ...e Reclamation to the surface of the wall Upper part guide groove Right part guide groove 4 Please fix remote controller upper part into the setup board attached to the surface of the wall as the picture below and then connect with setup board by pressing lower part Please connect not to make a gap at the remote controller and setup board s upper and lower right and left part When separating remote...

Page 17: ...do not bury it in the wall It can cause damage in the temperature sensor Do not install the cable to be 50 m or above It can cause communication error When installing the extension cable check the connecting direction of the connector of the remote controller side and the product side for correct installation If you install the extension cable in the opposite direction the connector will not be co...

Page 18: ...Do not install the remote controller where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Uncontrolled areas such as an outside wall behind the remote controller This remote controller is equipped with a seven segment LED display For proper display of the remote controller LED s the ...

Page 19: ...circuit breaker between power source and the unit as shown below CAUTION The main cable connected to the unit Main Power supply cable should be complied with the following specifications Cable type approved by HAR or SAA CAUTION Power Entry Guide Holes are provided for low voltage and high voltage wiring It is not necessary to punch any new holes in either the interior or exterior unit panels If n...

Page 20: ...ield Wiring Diagram Figure 6C For three phase electricity product See wiring diagram for details MAIN PCB ASM FIELD WIRING NOTE FACTORY WIRING CN10 REMO REMOTE CONTROLLER SEE NAMEPLATE FOR LINE VOLTAGE AND MAX FUSE SIZE 3 Ø 3WIRE 220 V 60 Hz 460 V 60 Hz POWER SUPPLY HIGH VOLTAGE MAGNETIC CONTACTOR SEE NAMEPLATE FOR LINE VOLTAGE AND MAX FUSE SIZE 3 Ø 4WIRE 380 V 60 Hz 380 415 V 50 Hz POWER SUPPLY H...

Page 21: ...UTION 8 The following would be caused by voltage drop Vibration of a magnetic switch which will damage the contact point fuse breaking disturbance of the normal function of the overload 9 The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3mm in each active phase conductors Figure 7 For more than 3 conductors...

Page 22: ...e condenser coil is not obstructed from the unit Inspect the control panel wiring to verify that all electrical connec tions are tight and that wire insulation is intact Is the indoor fan and rotation correct Has the indoor fan speed been determined and the proper speed been set See air flow perform ance data in PDB Has all work been done in accordance with applicable local and na tional codes Are...

Page 23: ...ed Wired Remote Controller wire them like above Ensure that the color of wire If the main PCB is not directly connected to the wired re mote controller set the Dip switch 1 in the mian PCB as ON position OFF Master ON Slave Please connect with same type unit Single Package or Ducted Split If there were connected with different type Indoor unit It is can not operate some functions Indoor Unit 1 Ter...

Page 24: ... umn that most closely approximates total system external static pressure Then locate the appropriate airflow rate on CMM for your unit The value obtained represents the break horsepower for the evaporator fan motor and the fan RPM The indoor fan speed is changed by opening or closing the adjustable motor sheave See Figure 8 NOTE Fan Break Horsepower BkW listed in the Table is the percentage range...

Page 25: ... temperature up down wind flow control wind direction start stop button 4 If pressing button long for 3 seconds it enters into remote controller setter setup mode If pressing once shortly it enters into user setup mode Please press more than 3 seconds for sure Please cancel the right and left of wind direction for RAC product 1 Setup figure 01 blinks at the lower part of indication window 2 To Inc...

Page 26: ...or is released error LED is also released simultaneously Error Display 1st 2nd LED of 7 segment indicates error number 3rd LED indicates unit number Ex 211 No 21 error of master unit Error Mode Cause of Error CH 01 OPEN SHORT of room temp sensor CH 02 OPEN SHORT of indoor pipe temp CH 03 Communication Error CH 09 EEPROM Error CH 44 OPEN SHORT of outdoor pipe sensor CH 48 OPEN SHORT of outdoor room...

Page 27: ... ports of the suction line valves Check the suction and discharge pressures and compare them to the normal operating pressures provided in the unit s Service Man ual With the compressor operating check the line voltage at the unit The voltage should be within the range shown on the unit name plate If low voltage is encountered check the size and length of the supply line from the main disconnect t...

Page 28: ... noise Have voltage and running currents been checked to determine if it is within limits Have the air discharge grilles been adjusted to balance the system Has the ductwork been checked for air leaks and condensation Has the indoor airflow been checked and adjusted if necessary Has the unit been checked for tubing and sheet metal rattles and are there unusual noises to be checked Are all covers a...

Page 29: ...o nents In case of V belt inspect wear and tension every three months to determine whether to replace 2 Condenser coils For cleaning 3 Safety Controls For mechanical cleaning 4 Electrical components and wiring For possible replacement or connection tightness 5 Condensate drain For cleaning 6 Inspect the unit duct connections to ensure they are physically sound and sealed to the unit casing 7 Inspe...

Page 30: ...ong enough like concrete to prevent the sea wind from the sea The height and width should be more than 150 of the outdoor unit It should be keep more than 70 cm of space between outdoor unit and the windbreak for easy air flow CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be expose...

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