LG ARNU18GS5 2 Series, ARNU24GS5 2 Series Manual Download Page 9 | Manualshive

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Wall Mounted _

8

Indoor Units

LCS

(Light Commercial System) Indoor unit

7. Air Velocity and Temperature Distribution(Reference Data)

ARNU18GS5*2

18

20

22

24

1.0

0.5

2.5

1.5

Air velocity [m/s]

Temperature [°C]

2.7m

2m

1m

0m

8m

7m

6m

5m

4m

3m

2m

1m

0m

2.7m

2m

1m

0m

8m

7m

6m

5m

4m

3m

2m

1m

0m

1.0

2.0

1.5

0.5

Air velocity [m/s]

Temperature [°C]

2.7m

2m

1m

0m

8m

7m

6m

5m

4m

3m

2m

1m

0m

2.7m

2m

1m

0m

8m

7m

6m

5m

4m

3m

2m

1m

0m

33

30

27

24

21

Cooling

Discharge angle:45°

Heating

Discharge angle:50°

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Summary of Contents for ARNU18GS5 2 Series, ARNU24GS5 2 Series

Page 1: ...cial 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 ...

Page 2: ...lock Convenience Forced operation Group control Sleep mode Timer on off Timer weekly Two thermistor control Wide wired remote controller Deluxe wired remote controller Individual Simple wired remote controller control Wired remote controller for hotel use Wireless remote controller simple Wireless LCD remote control Special Zone control function kit CTIE Electro thermostat 1 Auto Auto Auto X 3 4 3...

Page 3: ...ir Flow Rate H M L CMM cfm Drive Motor type Temperature Control Sound Absorbing Thermal Insulation Material Air Filter Safety Device Liquid Side mm inch Pipe Connections Gas Side mm inch Drain Pipe Internal Dia mm inch Net Weight kg lbs Noise Level Sound Press 1m H M L dB A Power Supply Ø V Hz Refrigerant Control Power cable mm2 Transmission cable mm2 Color Wall Mounted ARNU18GS5 2 ARNU24GS5 2 5 6...

Page 4: ...RNU18GS5 2 ARNU24GS5 2 W Model ARNU18GS5 2 ARNU24GS5 2 H D 1090 300 178 Note 1 Unit should be installed in compliance with the installation manual in the product box 2 Unit shall be grounded in accordance with the local regulations or applicable national codes unit mm 1 090 178 300 281 804 Name 1 Air discharge grill 2 Air suction grill Number Descripition unit mm 1 2 ...

Page 5: ... Exchanger C F F lndoor unit EEV Heating Cooling Filter Filter Th3 Th2 Th1 Refrigerant pipe connection port diameter MODEL GAS LIQUID ARNU18GS5 2 Ø12 7 1 2 Ø6 35 1 4 ARNU24GS5 2 Ø15 88 5 8 Ø9 52 3 8 Unit mm inch LOC Description Th1 Room thermistor Th2 Pipe in thermistor Th3 Pipe out thermistor ...

Page 6: ...ut Motor output of BLDC CN COM Communication Connection between indoor and outdoor CN DISP1 Display Display of indoor status CN DISP2 Display Display of indoor status CN EEV EEV output EEV control output CN U D CN L R Step motor Step motor output CN TH1 Room pipe sensor Room and pipe thermistor CN REMO Remote controller Remote control line CN CC Dry contact Dry contact line CN HVB Air clean Air cl...

Page 7: ...2 6 2 4 0 6 3 3 7 35 3 8 3 3 4 5 3 7 5 2 4 0 5 6 4 0 6 0 4 2 6 0 3 9 6 2 3 6 37 3 8 3 3 4 5 3 7 5 2 4 0 5 6 4 0 5 8 4 1 5 9 3 8 6 1 3 6 39 3 8 3 3 4 5 3 7 5 2 4 0 5 6 4 0 5 7 4 0 5 8 3 8 6 0 3 5 10 4 8 4 2 5 7 4 6 6 6 5 0 7 1 5 1 7 6 5 3 8 5 5 5 9 3 5 4 12 4 8 4 2 5 7 4 6 6 6 5 0 7 1 5 1 7 6 5 3 8 5 5 5 9 2 5 4 14 4 8 4 2 5 7 4 6 6 6 5 0 7 1 5 1 7 6 5 3 8 5 5 5 9 1 5 3 16 4 8 4 2 5 7 4 6 6 6 5 0 7...

Page 8: ... 5 3 0 2 2 7 0 6 7 6 2 6 1 5 9 5 5 5 0 4 1 7 1 6 7 6 3 6 1 5 9 5 5 7 0 6 0 7 2 6 7 6 3 6 1 5 9 5 5 9 0 7 9 7 2 6 7 6 3 6 1 5 9 5 5 11 0 9 8 7 2 6 7 6 3 6 1 5 9 5 5 13 0 11 8 7 2 6 7 6 3 6 1 5 9 5 5 15 0 13 7 7 2 6 7 6 3 6 1 5 9 5 5 19 8 20 0 5 4 5 4 5 4 5 3 5 3 5 3 18 8 19 0 5 5 5 5 5 5 5 5 5 4 5 4 16 7 17 0 5 8 5 8 5 8 5 8 5 8 5 8 14 7 15 0 6 2 6 1 5 5 6 1 6 1 6 1 12 6 13 0 6 5 6 5 5 8 6 4 6 4 6 ...

Page 9: ...2 18 20 22 24 1 0 0 5 2 5 1 5 Air velocity m s Temperature C 2 7m 2m 1m 0m 8m 7m 6m 5m 4m 3m 2m 1m 0m 2 7m 2m 1m 0m 8m 7m 6m 5m 4m 3m 2m 1m 0m 1 0 2 0 1 5 0 5 Air velocity m s Temperature C 2 7m 2m 1m 0m 8m 7m 6m 5m 4m 3m 2m 1m 0m 2 7m 2m 1m 0m 8m 7m 6m 5m 4m 3m 2m 1m 0m 33 30 27 24 21 Cooling Discharge angle 45 Heating Discharge angle 50 ...

Page 10: ...elow or above the listed range limits 2 Maximum allowable voltage unbalance between phases is 2 3 MCA MFA MCA 1 25 x FLA MFA 4 x FLA Next lower standard fuse rating Min 15A 4 Select wire size based on the MCA 5 Instead of fuse use Circuit Breaker Units Model Type Hz Volts Voltage Range ARNU18GS5 2 S5 50 220 240 Max 264 0 29 15 0 02 0 23 40 40 ARNU24GS5 2 S5 Min 198 0 29 15 0 02 0 23 40 40 ARNU18GS...

Page 11: ...acoustic absorption coefficient of particular room in which the equipment is installed ARNU18GS5 2 ARNU24GS5 2 Octave Band Sound Pressure Level dB re 20µPa Octave Band Sound Pressure Level dB re 20µPa 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Center Frequency Hz NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Approximate Hearing Threshold 10 20 30 40 ...

Page 12: ...rk must be performed in accordance with the national wiring standards by authorized personnel only Installation Parts Provided 1 Type A screw 2 Installation Plate Required Parts Required Tools Installation plate Four type A screws Connecting cable Level gauge Screw driver Electric drill Hole core drill Pipes Gas side Liquid side Insulation materials Additional drain pipe Flaring tool set Specified...

Page 13: ...install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles The mounting wall should be strong and solid enough to protect it from vibration 1 Mount the installation plate on the wall with four Type A screws If mounting the unit on the concrete wall consider using anchor bolts Always mount the Installation plate horizontally by aligning t...

Page 14: ...from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended 4 Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure that the hooks are properly seated on the installation plate by moving it left and...

Page 15: ... Bundle the piping and drain hose together by wrapping them with vinyl tape over the range with in which they fit into the rear piping housing sec tion 1 Route the indoor tubing and the drain hose to the required piping hole position 2 Insert the piping drain hose and the connect ing cable into the piping hole For right rear piping Torque wrench Indoor unit tubing Spanner fixed Connection pipe Fla...

Page 16: ...he pipings and sufficiently tight en the flare nut by hand Tighten the flare nut with a wrench When extending the drain hose at the indoor unit install the drain pipe 7 Wrap the insulation material around the con necting portion Overlap the connecting pipe heat insulation and the indoor unit pipe heat insulation material Bind them together with vinyl tape so that there is no gap Wrap the area whic...

Page 17: ... with the tubing holder Hook the edge of tubing holder to tap on chassis and push the bottom of tubing holder to be engaged at the bottom of chassis 10 Indoor unit installation Remove the spacer Ensure that the hooks are properly seated on the installation plate by moving it left and right Press the lower left and right sides of the unit against the installation plate until the hooks engage into t...

Page 18: ...off 2 1 7 2 6 9 3 5 12 kW Btu models 2EA 3 5 18 kW Btu models 3EA 2 To check the drainage Pour a glass of water on the evaporator Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit Pull the right and the left side Screw 10 3 Connect the cable to the indoor unit 1 Connect the wires to the terminals on the control board individually accor...

Page 19: ... of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires 3 Confirm the specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6 Confirm that the cable thickness is as specified in ...

Page 20: ...perature 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 L...

Page 21: ...stem Indoor unit 11 Accessories Name Quantity Shape Installation panel 1 set Type A screw S5 8 EA Other Owner s manual Installation manual Standard Accessories S5 Use only those accessories Standard or optional which have designated specifications CAUTION ...

Page 22: ...ode and setting value Please refer the Installer Setting Code Table 2 Function Code Setting Code Press the ON OFF button toward the indoor unit 1 time 3 Reset the remote controller to use the general operation mode 4 2 1 Master Slave Setting No Function Function Code Setting Value Remote Controller LCD 0 Set to Master e v a l S o t t e S 1 l o r t n o C p u o r G 1 2 Check Master Slave Installer S...

Page 23: ... Master checking whether the buzzer sounds such as indoor rings below Master Beep Buzzer sound 1 time Slave Beep Beep Beep Beep Beep Buzzer sounds 5 times 2 2 Group Control 1 Wired remote controller 1 Standard Indoor Units 1 Group Control 1 1 It is possible to 16 indoor units Max by one wired remote controller Set only one indoor unit to Master set the others to Slave 2 It is possible to connect w...

Page 24: ...y error occurs at indoor unit display on the wired remote controller Exception of the error indoor unit an individual indoor unit control possibility 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 pos...

Page 25: ...le 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 Set only one wired remote controller to Master set the others to Slave Other than those it is same with the Group Control 1 GND Signal 12V Slave Slave Slave Master Display Error Message Donʼt connect serial 12V line Master LGAP Network System Slave ...

Page 26: ...ing with standard indoor unit and Fresh Intake Unit separate Fresh Air Intake Unit with standard units Because setting temperature are different Other than those it is same with Group Control 1 FAU Standard Standard FAU FAU Standard Standard FAU FAU Fresh Air Intake Unit Standard Standard Indoor Unit GND Signal 12V LGAP Network System Display Error Message FAU Master FAU Slave Master Master Slave ...

Page 27: ...oor unit is possible to connect two remote controller 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time 5 In case of any error occurs at indoor unit display on the wired remote controller 6 There isnʼt limits of indoor unit function Maximum 2wired remote controllers can be connected with 1 indoor...

Page 28: ...ave Master Master PZCWRC G3 Master Slave PZCWRC 2 Indoor unit 2 EA Wired remote controller PZCWRCG3 cable used for connection PZCWRC2 cable used for connection Indoor unit 1 EA Wired remote controller 2EA 2 4 Accessories for group control setting It is possible to set group control by using below accessories ...

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