LG S4-S5-SE Chassis Service Manual Download Page 21 | Manualshive

Page: 21 / 44

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Outdoor unit

Gas side piping
(Bigger diameter)

Liquid side
piping
(Smaller
diameter)

Torque wrench

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Summary of Contents for S4-S5-SE Chassis

Page 1: ...MODELS S4 S5 SE Chassis ...

Page 2: ...3 5 6 7 12 12 13 24 25 28 34 2 ...

Page 3: ...IN DOOR Lights up during indoor unit operation Optional 3 ...

Page 4: ... Optional 4 ...

Page 5: ... 5 1 Cooling Only Models INDOOR UNIT OUTDOOR UNIT 2 a Cooling Heating Models 12K 18K 24K INDOOR UNIT OUTDOOR UNIT 2 b Cooling Heating Models 9K INDOOR UNIT OUTDOOR UNIT ...

Page 6: ... 6 09K 12K 18K 24K ...

Page 7: ...ce operation ON while in indoor unit running OFF while in indoor unit off IN DOOR Indicator While in appliance operation ON while in indoor unit running OFF while in indoor unit off IN DOOR Indicator Optional Optional Optional 7 ...

Page 8: ...hown above and the elapsed time of heating mode operation at that moment the defrost control time is determined 3 When the determined time of defrost control is below 7 min heating mode operation continues without carrying out defrost control According to the procedure stated above the determination is made again When the defrost control time is 7 min or longer defrost control is then carried out ...

Page 9: ...that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temperature 2 Fuzzy Operation for Dehumidification According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is tur...

Page 10: ...ep Timer Operation When the slepp time is reached after 1 2 3 4 5 6 7 8 9 0 cancel hr is input by the remote control while in appliance operation the operation of the appliance stops While the appliance is on pause the sleep timer mode cannot be input Chaos Swing Mode By the Chaos Swing key input at first 5 cyles the upper lower vane swing up and down at max angle Then the airflow direction automa...

Page 11: ... 11 ...

Page 12: ... 12 ...

Page 13: ...r Sleep Timer Indicator IN DOOR Indicator Timer Indicator Defrost Indicator Led Display Indicator Operation Indicator Sleep Timer Indicator IN DOOR Indicator Timer Indicator Compressor on Indicator Led Display Indicator IN DOOR IN DOOR OUTDOOR Cooling Soft Dry Fan Heating Sleep Mode Hot start Defrost Set Temperature Plasma Model Cooling Soft Dry Fan Sleep Mode Set Temperature Plasma Model Self dia...

Page 14: ... 14 More than 10cm More than 5cm More than 2 3m More than 5cm ...

Page 15: ... 15 Left rear piping Right rear piping Installation plate D C B A ø70mm ø70mm A B C 9k 12k 105 65 60 65 18k 24k 105 65 260 65 CHASSIS Grade Distance mm D ...

Page 16: ...r the additional anticorrosion treatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water 5 Installation guide at the seaside Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on the opposite side of the sea wind ...

Page 17: ... 17 ...

Page 18: ... 18 Drain hose Drain hose Connecting pipe Connecting cable Tape Drain hose Drain hose Connecting cable ...

Page 19: ... 19 Piping for passage through piping hole Tubing holder ...

Page 20: ...e properly seated on the installa tion 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 their slots clicking sound Drain hose Connecting cable Unfold the tubing to downward slowly Bend the tubing to the left side of chassis Bad case Following bending type from right to left could cause problem of pipe dama...

Page 21: ... 21 Outdoor unit Gas side piping Bigger diameter Liquid side piping Smaller diameter Torque wrench ...

Page 22: ... 22 ...

Page 23: ... 23 Circuit Breaker A 15 Grade 9k 12k 20 18k 30 24k ...

Page 24: ... 24 Pull the right and the left side ...

Page 25: ... 25 Pull the right and the left side ...

Page 26: ... 26 Discharge temperature Discharge air Intake temperature ...

Page 27: ... 27 ...

Page 28: ...Earth Conductor 28 ...

Page 29: ...Screw 29 ...

Page 30: ... 30 Motor cover Bearing Cross flow fan ...

Page 31: ... 31 ...

Page 32: ...6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the 3 way valve to the closed position ñ Do this quickly so that the gauge ends up indi cating 3 to 5kg cm2 g 8 Disconnect the charge set and mount the 2 way and 3 way valveís stem nuts and the ser vice port nut ñ Use torque wrench to tighten the service port nut to a torque of 1 8 k...

Page 33: ... the refrigerant until the gauge indi cates 0 kg cm2 G ñ If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrig erant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin ñ Discharge the refrigerant gradually if it is dis charged too suddenly the refrig...

Page 34: ...the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump ñ Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum pump 3 Way valve Outdoor unit Liquid side Indoor unit Gas side 3 Way valve CLOSE OPEN Use vacuum...

Page 35: ...e air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valveís service port ñ Stopping partway will allow the gas to be dis charged ñ If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditi...

Page 36: ...oor temperature Find indoor temperature onto the curve of outdoor temperature Read suction pressure at the axis of ordinates The method of using equation Calculate suction pressure after putting indoor and outdoor temperature into the equation 13 At operating the Unit for 10 minutes Suction Pressure Kg cm 2 g Outdoor Temp C Indoor Temp C 12 11 10 9 8 7 6 5 5 10 15 20 25 30 35 40 50 C 40 C 30 C 20 ...

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Page 43: ... 43 ...

Page 44: ...P No 5400575301 ...

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