LG PQRNC0, Owners & Installation Manual

Page 1: ...P No 3828A20561U Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

Page 2: ...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 Owner s Installation Manual Visit us at http www lgservice com Models PQRNC0 ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ...

Page 3: ... controller 7 Junction Control System Structure 9 Installation Method 10 Necessary functions before using 12 Trial Operation 12 Setting the Central Control Address 13 ESP Function 14 Main Function of Remote Controller 15 On Off Operation 15 Cooling Operation 16 Heating Operation 17 Fan Speed Selection 18 Neutral Gap setting function 19 Power Failure compensation 20 Error code display function 20 ...

Page 4: ...ent product breakdown Do not expose the product to the sun in order to prevent product breakdown Installation Service Center Original Parts Safety Precautions The installation requires expert skills and it should be installed by the service center or other shops specialized in the installation and recognized by our company For all the problems arising after installation by someone who has no relev...

Page 5: ...was submerged under water ask the service center for instruction It may cause fire or an electric shock unless you do that In use In use Service Center Make sure children or senor citizens use the product under proper observation in order to prevent safety accident Do not subject the product to shock It will cause product breakdown Do not pick the product with a sharp tool It may cause product bre...

Page 6: ...r electric shock Installation When the product is soaked flooded or submerged contact an Authorized Service Center There is risk of fire or electric shock Be cautious that water could not enter the product There is risk of fire electric shock or product damage Operation Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not install remove or re install the unit by y...

Page 7: ...to Dry Fan Defrost Preheat Out door Slo Lo Med Hi Po Room Temp Total on Central Run FAN SPEED Yellow White 3 LCD Screen 1 Connection cable for Dry contact Module Linked Other equipment 2 Connection cable for Air conditioner Wired Remote Controller Part Description 1 Remote control part ...

Page 8: ...at first When changing the group control switch the power must be reconnected to reflect the changes On Off operation can be operated by central controller only on cooling mode But we do not recommend this method Group control switch 1 For individual control use 2 For group control use Ceiling height selection switch 1 Low ceiling 2 Standard ceiling 3 High ceiling Indoor temperature sensor selecti...

Page 9: ...tallation 4EA Yellow Connector 10m For Dry Contact White Connector 10m For Indoor Dry contact 4EA For assembly the case CN POWER AC 220V Connector CN CC Remote controller Connector CN_DRY L DRY CONTROLLER Connector CN_DRY SIG DRY CONTROLLER Connector CN_DRY ERROR CHECK ERROR Check Display Connector CN_DRY OPER STATE Operation Display Connector DRY CONTACT UNIT LG Top case 1 2 3 4 5 6 Bottom case ...

Page 10: ... System Structure Junction Control System Structure DRY CONTACT UNIT LG AC power AC 220V 234V Actuator Operation signal AC power A Remote Controller Dry Contact Module Radiator Simple Wired remote control System Junction Wired remote control System ...

Page 11: ...y Contact Module White 9pin Yellow DRY CONTACT UNIT LG White Extension Cable for Indoor unit Yellow Extension Cable for Dry contact module AC 220V Radiator Or Other equipment 1Put the installation paper on the place and determine the position and height of the fixing screws of the wired remote controller Refer to the printed side of the installation paper 2Plug the Air conditioner connecting cable...

Page 12: ...h Remote controller by the cable already linked previous step Do not install the cable with a distance of 50 m or longer This can cause communication error When installing the cable check whether the connector between the remote controller and the product is installed properly The connector will not be connected when installed in opposite sides Connect CN Dry No 1 No 4 with Actuator by the Power c...

Page 13: ...isplay will be like as shown on left side picture 3If you want to cancel the trial operation mode just press the On Off button 4The trail operation will be shut down automatically after 18 minutes and system will go to the standby mode Trial Operation The trial operation is to check the installation status of the product The temperature will not be controlled during trial operation Instead the pro...

Page 14: ...et the address by pressing both temperature control buttons again at the same time for 2 seconds If you connect the indoor unit to the central controller You should set the indoor unit address so that the central controller could recognize it The Central control address is composed of the group number and the indoor unit number Setting the Central Control Address Please set the address while using...

Page 15: ...n Off button while setting the ESP function it will be canceled The picture on the left side is the example of setting the Hi wind to ESP 10 4Press the Fan Speed button and the temperature increasing button at the same time for 2 seconds Then the ESP setting will be activated after the temperature display flashes three times E S P function is setting the volume of each fan speed It is for the conv...

Page 16: ...tion of Remote Controller 1On off operation will operate if you press the On Off button 2There is no function to choose the mode 3setting Temperature will be displayed as Temp code 3 2 1 0 1 2 3 on the LCD 4Press the temperature button and set the expected temperature 18 30 C Refer below table Note when you reset the controller Both Cooling Heating will be off Because the code value will be 0 3 18...

Page 17: ...e On Off button or set the temp code by 0 during operation the cooling and heating operation will be stopped You can change the fan speed during cooling operation when you turn on the controller after turn off the controller maintain the previous mode Cooling Operation Note This controller is not permitted to control by Wireless remote controller But On Off Operation and Changing Fan speed by wire...

Page 18: ...f you want to change operation to Cooling during the Heating operation press the Temp button and decrease the Temp code from 1 to 3 4If you press the On Off button or set the temp code by 0 during operation the heating and cooling operation will be stopped You can not change the fan speed during Heating operation Please refer to the below Operation table for more detail Heating Operation 3 Heating...

Page 19: ... speed which you want by pressing the fan speed button on the remote controller If you press the fan speed button the fan speed will change in the order of Low Medium Hi The initial fan speed is Hi If the product is not compatible with the fan speed control it will not function as per your selection You can easily control the fan speed Fan Speed Selection Fan speed Slo can be select optionally dep...

Page 20: ...ature control button Gap Could be adjusted 1 or 2 5If you press the Room Temperature button and None button at the same time for 2 seconds you should out the Neutral setting mode and controller will run as your setting Neutral Gap setting function How to use the Mode Selection Button 3 2 1 0 1 2 3 26 23 24 25 26 27 28 29 25 22 23 24 25 26 27 28 24 21 22 23 24 25 26 27 23 20 21 22 23 24 25 26 22 19...

Page 21: ...e controller display is off but the settings are restored to normal after the power recovery 3 After power failure the Neutral Gap will come back default value Neutral 24 Gap 2 Note When the power Failure has occurred on 0 3 Temperature code Power failure compensation function is not operated At that time Indoor Remote controller and Radiator maintain off condition Error code display function When...

Page 22: ...Owner s Manual 21 ENGLISH Memo ...