Table of Contents
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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation 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.
Ceiling Concealed Duct
P/NO : MFL67939916
www.lg.com
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Table of Contents
Related Manuals for LG ABNQ18GM1T0
Summary of Contents for LG ABNQ18GM1T0
- Page 1 Please read this installation 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. Ceiling Concealed Duct www.lg.com P/NO : MFL67939916...
- Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
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Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING... - Page 4 IMPORTANT SAFETY INSTRUCTIONS • Make sure that a sekparate power supply circuit is provided for this unit and that all electrical work is carried out by qualified personnel according to local laws and regulations and this installation manual. An insufficient power supply capacity or improper electrical construction may lead to electric shocks or fire. •...
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Page 5: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING EN- INSTALLATION IN- ERGY STRUCTION Remote controller installation IMPORTANT SAFETY IN- Group control STRUCTIONS Installer Setting - How to enter installer setting mode INTRODUCTION Installer Setting - Test Run Mode Features Installer Setting - Setting Address of INSTALLATION OF IN- Central Control... -
Page 6: Introduction
INTRODUCTION INTRODUCTION Features Air inlet vents Air outlet vents Remote SPEED Controller TEMP OPER MODE... -
Page 7: Installation Of Indoor
INSTALLATION OF INDOOR INSTALLATION OF INDOOR Selection of the best location Installation of Unit - The place shall easily bear a load exceeding Install the unit above the ceiling correctly. four times the indoor unit’s weight. - The place shall be able to inspect the unit as CASE 1 the figure. - Page 8 INSTALLATION OF INDOOR - Select and mark the position for fixing bolts. CASE 2 - Drill the hole for set anchor on the face of - Install the unit leaning to a drainage hole side ceiling. as a figure for easy water drainage. Position of console Bolt - A place where the unit will be leveled and that can support the weight of the unit.
- Page 9 INSTALLATION OF INDOOR CAUTION • Install declination of the indoor unit is very important for the drain of the duct type air condi- tioner. • Minimum thickness of the insulation for the connecting pipe shall be 5mm. Front of view •...
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Page 10: Indoor Unit Drain Piping
INSTALLATION OF INDOOR Indoor Unit Drain Piping Drain test - Drain piping must have down-slope (1/50 to - Connect the main drain pipe to the exterior 1/100): be sure not to provide up-and-down and leave it provisionally until the test comes slope to prevent reversal flow. -
Page 11: Thermal Insulator
INSTALLATION OF INDOOR Thermal insulator Use the thermal insulator material for the refrigerant piping which has an excellent heat-resistance (over 120 °C). If this air conditioner is operated for a long time in high humid atmosphere (dew point Control box cover temperature: more than 23 °C), water (On which the Electric drops are liable to fall. - Page 12 INSTALLATION OF INDOOR CAUTION Precautions when laying power wiring Use round pressure terminals for connec- tions to the power terminal block. Power wiring Round pressure terminal When none are available, follow the in- structions below. • Do not connect wiring of different thick- nesses to the power terminal block.
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Page 13: Installation Instruction
INSTALLATION INSTRUCTION INSTALLATION INSTRUCTION Please fix tightly using provided screw Can set up wired remote controller cable after placing remote controller setup board into three directions. on the place where you like to setup. - Set up direction: the surface of wall recla- - Please set it up not to bend because poor mation, upper, right setup could take place if setup board... - Page 14 Side Side 12 V Black CAUTION Remove remote controller by inserting a • Specification of LG supplied extension screwdriver into the lower separating holes cable: AWG#22, 3 core shielded. and twisting to release the controller from (Model : PZCWRC1) backplate.
- Page 15 INSTALLATION INSTRUCTION ③ Make sure each wire is securely fastened CAUTION under each screw terminal and the wires • Installation work must be performed in are not in contact with each other. accordance with the national wiring stan- ④ Please connect the Terminal blocks of in- dards and local by authorized personnel door unit’s C/BOX and wired remote con- only.
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Page 16: Remote Controller Installation
INSTALLATION INSTRUCTION Remote controller installation Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. Install the remote controller about 5 ft(1.5 m) above the floor in an area with good air circulation at an average temperature. -
Page 17: Group Control
INSTALLATION INSTRUCTION Group control * When installing 2 remote controllers to one indoor unit with event communica- When installing more than 2 units of air tion function, set the master/slave of the conditioner to one wired remote controller, remote controller. (Refer to remote con- please connect as the right figure. -
Page 18: Installer Setting - How To Enter Installer Setting Mode
INSTALLATION INSTRUCTION Installer Setting - How to enter installer setting mode CAUTION Installer setting mode is to set the detail function of the remote controller. If the installer setting mode is not set correctly, it can cause problems to the product, user injury or property damage. -
Page 19: Installer Setting - Test Run Mode
INSTALLATION INSTRUCTION Installer Setting - Test Run Mode After installing the product, you must run a Test Run mode. For details related to this operation, refer to the product manual. OPER When pressing the button and MODE button simultaneously for more than 3 seconds, the system will be entered into the installer setting mode. -
Page 20: Installer Setting - Setting Address Of Central Control
INSTALLATION INSTRUCTION Installer Setting - Setting Address of Central Control It's the function to use for connecting central control. Please refer to central controller manual for the details OPER When pressing the button and MODE button simultaneously for more than 3 seconds, the system will be entered into the installer setting mode. -
Page 21: Installer Setting -E.s.p
INSTALLATION INSTRUCTION Installer Setting -E.S.P. This is the function that decides the strength of the wind for each wind level and because this function is to make the installation easier. - If you set ESP incorrectly, the air conditioner may malfunction. - This setting must be carried out by a certificated-technician. -
Page 22: Installer Setting -Thermistor
INSTALLATION INSTRUCTION Installer Setting -Thermistor This is the function to select the temperature sensor to judge the room temperature. OPER When pressing the button and MODE button simultaneously for more than 3 seconds, the system will be entered into the installer setting mode. - After entering into the installer setting mode, select the thermistor sensor setting code value by pressing the... -
Page 23: Installer Setting - Ceiling Height Selection
INSTALLATION INSTRUCTION Installer Setting - Ceiling Height Selection This function is to adjust FAN Airflow rate according to ceiling height (For ceiling type product) OPER When pressing the button and MODE button simultaneously for more than 3 seconds, the system will be entered into the installer setting mode. -
Page 24: Installer Setting - Static Pressure Setting
INSTALLATION INSTRUCTION Installer Setting - Static Pressure Setting This function is applied to only duct type. Setting this in other cases will cause malfunction. -
Page 25: Installer Setting-Remote Controller Master/Slave Setup
INSTALLATION INSTRUCTION Installer Setting-Remote Controller Master/Slave Setup It is a function for settings in group control, or 2-remote controller control. OPER When pressing the button and MODE button simultaneously for more than 3 seconds, the system will be entered into the installer setting mode. -
Page 26: Installer Setting-Celsius / Fahrenheit Switching
INSTALLATION INSTRUCTION Installer Setting-Celsius / Fahrenheit Switching This function is used for switching the display between Celsius and Fahrenheit. (Optimized only for U.S.A) OPER When pressing the button and MODE button simultaneously for more than 3 seconds, the system will be entered into the installer setting mode. - Page 27 INSTALLATION INSTRUCTION [Table. 1] Static Pressure[mmAq(Pa)] Model Step CMM 2(20) 2.5(25) 3(29) 4(39) 6(59) 8(78) HIGH 16.5 ABNQ18GM1T0 14.5 Static Pressure[mmAq(Pa)] Model Step CMM 2(20) 2.5(25) 3(29) 4(39) 6(59) 8(78) 10(98) HIGH ABNQ24GM1T0 16.5 Static Pressure[mmAq(Pa)] Model Step CMM 2.5(25) 4(39) 5(49) 6(59) 7(69) 8(78) 10(98)
- Page 28 2. Table 1 is based at 230V. According to the fluctuation of voltage, air flow rate varies. 3. Factory Set(External Static Pressure) each Model Lower Limit (E.S.P) Upper Limit (E.S.P) Factory set (E.S.P.) Model mmAq(Pa) mmAq(Pa) mmAq(Pa) ABNQ18GM1T0 8(78) 2(20) 8(78) ABNQ24GM1T0 8(78) 2(20) 10(98) 2.5(25)
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Page 29: Dip Switch Setting
SELF-DIAGNOSIS FUNCTION DIP SWITCH SETTING (48k/54k) Indoor PCB Indoor PCB Indoor PCB (18k/24k/30k/36k) Indoor PCB Indoor PCB Indoor PCB Function Description Setting Off Setting On Default Selection of Master or Group Control Master Slave Slave Wired/Wireless remote Dry Contact Selection of Dry Contact controller Auto Mode...