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LCS(Light Commercial System) Indoor unit
LCS(Light Commercial System) Indoor unit
Wall Mounted
1. List of functions
2. Specifications
3. Dimensions
4. Piping Diagrams
5. Wiring Diagrams
6. Capacity Tables
7. Air Velocity and Temperature Distribution
8. Electric Characteristics
9. Sound Levels
10. Installation
11. Accessories
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Table of Contents
Related Manuals for LG ARNU18GS5 2 Series, ARNU24GS5 2 Series
Summary of Contents for LG ARNU18GS5 2 Series, ARNU24GS5 2 Series
- Page 1 LCS(Light Commercial System) Indoor unit LCS(Light Commercial System) Indoor unit Wall Mounted 1. List of functions 2. Specifications 3. Dimensions 4. Piping Diagrams 5. Wiring Diagrams 6. Capacity Tables 7. Air Velocity and Temperature Distribution 8. Electric Characteristics 9. Sound Levels 10.
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Page 2: List Of Functions
LCS(Light Commercial System) Indoor unit 1. List of functions Category Function ARNU18GS5*2, ARNU24GS5*2 Air supply outlet Airflow direction control(left & right) Auto Airflow direction control(up & down) Auto Auto swing(left & right) Auto Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 3 / 4 / 3 Chaos swing Chaos wind(auto wind) -
Page 3: Specifications
LCS(Light Commercial System) Indoor unit 2. Specifications * Model Name A:Basic L:Plasma Type Wall Mounted Model Unit ARNU18GS5*2 ARNU24GS5*2 Cooling Capacity kcal/h 4,800 6,100 Btu/h 19,100 24,200 Heating Capacity kcal/h 5,400 6,900 Btu/h 21,500 27,300 1,090 x 178 x 300 1,090 x 178 x 300 Dimensions(WxDxH) Body inch... - Page 4 LCS(Light Commercial System) Indoor unit 3. Dimensions 3 _ Wall Mounted...
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Page 5: Piping Diagrams
LCS(Light Commercial System) Indoor unit 4. Piping Diagrams :Cooling Heat Exchanger :Heating Filter C.F.F Filter lndoor unit Refrigerant pipe connection port diameter [Unit: mm(inch)] MODEL LIQUID ARNU18GS5*2 Ø12.7(1/2) Ø6.35(1/4) ARNU24GS5*2 Ø15.88(5/8) Ø9.52(3/8) LOC. Description Room thermistor Pipe in thermistor Pipe out thermistor Wall Mounted _ 4... -
Page 6: Wiring Diagrams
LCS(Light Commercial System) Indoor unit 5. Wiring Diagrams S5 Chassis CONNECTOR NUMBER LOCATION POINT FUNCTION CN-POWER AC Power supply AC Power line input for indoor controller CN-MOTOR1 Fan motor output Motor output of BLDC CN-COM Communication Connection between indoor and outdoor CN-DISP1 Display Display of indoor status... -
Page 7: Capacity Tables
LCS(Light Commercial System) Indoor unit 6. Capacity Tables 6.1 Cooling Capacity Cooling Capacity Indoor air temp. (DB/WB, °C) Outdoor Capacity air temp. Index (DB, °C) Notes: TC: Total Capacity(kW) SHC: Sensible Heat Capacity(kW) Wall Mounted _ 6... -
Page 8: Heating Capacity
LCS(Light Commercial System) Indoor unit 6. Capacity Tables 6.2 Heating Capacity Heating Capacity Indoor air temp. (DB, °C) Outdoor air temp. Capacity Index DB(°C) WB(°C) -19.8 -20.0 -18.8 -19.0 -16.7 -17.0 -14.7 -15.0 -12.6 -13.0 -10.5 -11.0 -9.5 -10.0 -8.5 -9.1 -7.0 -7.6... - Page 9 LCS(Light Commercial System) Indoor unit 7. Air Velocity and Temperature Distribution(Reference Data) ARNU18GS5*2 Cooling Heating Discharge angle:50° Discharge angle:45° Air velocity [m/s] Air velocity [m/s] 2.7m 2.7m Temperature [°C] Temperature [°C] 2.7m 2.7m Wall Mounted _ 8...
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Page 10: Electric Characteristics
LCS(Light Commercial System) Indoor unit 8. Electric Characteristics Units Power Supply Input(W) Cooling Heating Model Type Volts Voltage Range ARNU18GS5*2 Max:264 0.29 0.02 0.23 220 - 240 ARNU24GS5*2 Min:198 0.29 0.02 0.23 ARNU18GS5*2 Max:242 0.29 0.02 0.23 ARNU24GS5*2 Min:198 0.29 0.02 0.23 Symbols:... -
Page 11: Sound Pressure Level
LCS(Light Commercial System) Indoor unit 9. Sound Levels Overall Notes: - Data is valid at nominal operating condition - Reference accoustic pressure OdB = 20µPa - Sound level will vary depending on a range of factors such as the construction(acoustic absorption coefficient) of particular room in which the equipment is installed. -
Page 12: Installation
LCS(Light Commercial System) Indoor unit 10. Installation • Please read the instruction sheetss completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Installation Parts Provided 1. -
Page 13: Selection Of The Best Location
LCS(Light Commercial System) Indoor unit 10. Installation 10.1 Selection of the best location Front There should not be any heat source or • Left steam near the unit. • There should not be any obstacles to prevent air cir- Rear left culation. -
Page 14: Preparing Work For Installation
LCS(Light Commercial System) Indoor unit 10. Installation 3. Tape the tubing, drain hose and the connect- Preparing work for installation ing cable. Be sure that the drain hose is locat- ■ Preparing the indoor unit's piping and drain hose for ed at the lowest side of the bundle. - Page 15 LCS(Light Commercial System) Indoor unit 10. Installation ■ Tighten the flare nut with a wrench. ■ Wrap the area which accommodates the rear pip- ing housing section with vinyl tape. Spanner (fixed) Indoor Connection unit pipe pipe Flare nut Wrap with vinyl tape Vinyl tape Connection (wide)
- Page 16 LCS(Light Commercial System) Indoor unit 10. Installation ■ When extending the drain hose at the indoor unit, 3. Insert the connecting cable into the indoor unit. ■ Don't connect the cable to the indoor unit. install the drain pipe. ■ Make a small loop with the cable for easy connec- tion later.
- Page 17 LCS(Light Commercial System) Indoor unit 10. Installation ■ Bundle the piping and drain hose together by wrap- 10. Indoor unit installation ■ Remove the spacer. ping them with cloth tape over the range within which they fit into the rear piping housing section. ■...
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Page 18: Connection Of Pipings
LCS(Light Commercial System) Indoor unit 10. Installation 10.2 Connection of Pipings 1. To remove the front panel from the indoor unit, 2. To check the drainage. remove the front panel from the indoor unit ■ Pour a glass of water on the evaporator. cabinet. - Page 19 LCS(Light Commercial System) Indoor unit 10. Installation Terminal Block Indoor Outdoor SODU INTERNET DRY1 DRY2 GND 12V Unit 1(L) 2(N) INDOOR POWER INPUT 2. Attach the Grille onto the cabinet. • Grasp lower the left and right side of the Grille and engage four tabs on the top inside edge of the chassis.
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Page 20: Wired Remote Controller Installation
LCS(Light Commercial System) Indoor unit 10. Installation WIRED 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 5ft(1.5m) above the floor in an area with good air circulation at an average temperature. -
Page 21: Standard Accessories
LCS(Light Commercial System) Indoor unit 11. Accessories Standard Accessories Type "A" screw Name Installation panel (Other) Quantity 1 set S5: 8 EA • Owner's manual • Installation manual Shape CAUTION • Use only those accessories (Standard or optional) which have designated specifications. Wall Mounted _ 20... -
Page 22: Master/Slave Setting
LCS(Light Commercial System) Indoor unit 2. Wall Mounted 2.1 Master/Slave Setting With the FAN SPEED button pressed, press the RESET button. By using the TEMPERATURE SETTING button, set function code and setting value. (Please refer the Installer Setting Code Table.) Function Code Setting Code Press the ON/OFF button toward the indoor unit 1 time. -
Page 23: Group Control Setting
LCS(Light Commercial System) Indoor unit 2. Wall Mounted Group Control Setting - This function is only for group control. - Please don’t set this function in case of non-group control. - This function is the Master or Slave setting function of indoor unit - Set only one indoor unit to Master, set the others to slave. - Page 24 LCS(Light Commercial System) Indoor unit 2. Wall Mounted 4. It is possible to connect with Dry Contact and Central controller at the same time. - The Master indoor unit is possible to recognize Dry Contact and Central Controller only. - In case of Central controller and Group controller at the same time, it is possible to connect standard 2series indoor units or later since Feb.
- Page 25 LCS(Light Commercial System) Indoor unit 2. Wall Mounted (2) Group Control 2 Wired remote controllers + Standard Indoor Units LGAP Network System Slave Slave Master Signal Slave 12 V Donʼt connect serial 12V line Display Error Message Master Slave It is possible to control N indoor units by wired remote controller M units. (M+N≤17 Units) Set only one indoor unit to Master, set the others to Slave.
- Page 26 LCS(Light Commercial System) Indoor unit 2. Wall Mounted (3) Group Control 3 Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Signal Master Slave Master Slave 12 V Display Error Message Master Master In case of connecting with standard indoor unit and Fresh Intake Unit, separate Fresh Air Intake Unit with standard units.
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Page 27: Remote Control
LCS(Light Commercial System) Indoor unit 2. Wall Mounted 2.3 2 Remote Control Wired remote controller 2 + Indoor unit 1 LGAP Network System Master Display Error Message Master Slave 1. It is possible to connect two wired remote controllers with one indoor unit. 2. - Page 28 LCS(Light Commercial System) Indoor unit 2. Wall Mounted 2.4 Accessories for group control setting It is possible to set group control by using below accessories. Indoor unit 2 EA +Wired remote controller Indoor unit 1 EA +Wired remote controller 2EA ❈...