User manual LG PQDSBC

[. . . ] Visit us at : http://www. lgservice. com LG LG Dry contact for communication Owner's & installation manual Models: PQDSBC IMPORTANT · Please read this manual completely before installing the product. · Installation work must be performed in accordance with the national wiring standards by authorized personnel only. [. . . ] Service center When reinstalling the previously installed product, request for service to the service center or the installation service provider. · It can cause a fire, electric shock, explosion and injury. en ec ter · It can cause a fire, electric shock, explosion, injury and problem to the product. Se rvi c Do not install the product where it can be exposed to rain. · It can cause problems to the product. Do not install the product in a humid location. · It can cause problems to the product. Owner's & installation manual 3 Safety Precautions I During use Do not modify or extend the power cord. · It can cause a fire and electric shock. Do not use any flaming devices near the product. · It can cause a fire. Do not use any heating devices near the power cord. · It can cause a fire and electric shock. Do not pour water inside the product. When the product is submersed in water, always request for service to the service center or the installation service provider. · It can cause a fire and electric shock. cen ter Make the children and the elderly use the product with the help of a guardian. · It can cause an electric shock and problem to the product. · It can cause a safety accident and problems to the product. Se e rvic Do not give impact to the product. · It can cause problems to the product. 4 Dry contact for communication Name of each part Name of each part (Front case) (Rear case) 8 CN_OUT CHANGE OVER_SW NOT USB e VOLT NON VOLT 9 7 3 6 TEMP SETTING 5 1 (Top) 11 10 2 (Internal PCB board) 4 (Side) (Side) DRY CONTACT FOR COMMUNICATION (DRY_CONTACT FOR COMMUNICATION) 1. RESET_SW : Connect communication wire between indoor unit and Dry contact for communication and supply power to Dry contact for communication : PI485 connector : Contact point signal input : Switch to select whether to use set function of Dry contact for communication : Switch to set the desired temperature of the indoor unit : Connector to show whether the indoor unit is operating : Connector to show whether there is an error with the indoor unit : LED to display the status of the Dry contact for communication : Reset switch 3. CHANGE_OVER_SW : Switch to select voltage (5V-12V) of contact point 5. CONTROL_MODE_SW : Switch to select the control mode Owner's & installation manual 5 Installation Method Installation Method Installation inside of the indoor unit Loose 4 screws anchoring PCB and then separate the rear case and PCB Connect the connection wires according to the instructions. (Please refer to Setting and Using Method) Perform the switch setting according to switch setting method. (Please refer to Setting and Using Method) Fix PCB on suitable space inside of the indoor unit. 1. Install the product on flat surface and install anchoring screws at more than 2 places. Otherwise the central controller may not be anchored properly. Do not tighten anchoring screws too tightly. It may cause malfunction of the central controller. 6 Dry contact for communication Installation Method Installation outside of the indoor unit Anchor the rear case of Dry Contact for communication on the installation surface at holes using anchor screws. Please cut the pole which is located in side of the front case properly. Connect connection wires according to the instructions. [. . . ] When the indoor unit is unlocked, the desired temperature can be reset by other controller 1) Turn on the TEMP_SETTING switch of SETTING_SW. 2) Use the TEMP_SW to set the temperature as shown below. Desired temperature setting table TEMP SW 0 setting Temperature setting(°C) 18 TEMP SW 8 setting Temperature setting(°C) 26 1 19 2 20 SETTING_SW 3 21 4 22 5 23 6 24 7 25 9 27 A 28 B 29 C 30 D 30 E 30 F 30 1) Turn off the TEMP_SETTING switch of SETTING_SW. When operating the indoor unit initially in Dry contact for communication, set the desired temperature to 18°C. 10 Dry contact for communication SETTING_SW I When not using the desired temperature setting of Dry contact for communication Setting and using method 4. Control mode setting I Use the CONTROL_MODE_SW to set the control mode you want from 0~D. CONTROL_MODE_SW Indoor control priority Central control > Dry contact for communication > Wired/Wireless remote controller, indoor unit button Dry contact for communication controls the indoor unit according to the applicable mode when there is a change in input of A and B. I Description of each control mode 1) Cancel mode for use of dry contact for communication CONTROL_ MODE S/W Input A OFF Input B OFF OFF ON ON Operating mode 0 ON OFF ON The indoor unit cannot be controlled through the Dry contact for communication No change in indoor unit condition Set this when the Dry contact for communication is connected but not used. Owner's & installation manual 11 Setting and using method 2) General mode CONTROL_ MODE S/W Input A OFF Input B OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON Operating mode Indoor unit stopped, locked Indoor unit prior operating condition maintained, unlocked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit operating, unlocked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit prior operating condition maintained, unlocked Indoor unit operating, unlocked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit prior operating condition maintained, unlocked Indoor unit prior operating condition maintained, unlocked Indoor unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, unlocked Indoor unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit operating, unlocked 1 ON OFF ON OFF ON 2 OFF ON OFF ON 3 OFF ON OFF 4 ON OFF ON OFF 5 ON OFF ON OFF ON 6 OFF ON 12 Dry contact for communication Setting and using method 3) Fan level setting mode CONTROL_ MODE S/W Input A OFF Input B OFF OFF ON ON OFF OFF ON ON Operating mode Indoor unit operating at low level, locked Indoor unit operating at low level, unlocked Indoor unit stopped, locked Indoor unit stopped, locked Indoor unit operating at low level, locked Indoor unit operating at low level, unlocked Indoor unit stopped, locked Indoor unit prior operating condition maintained, unlocked 7 ON OFF ON OFF ON 8 OFF ON When the indoor unit is operating in Dry contact for communication, the fan level can be changed by other controller when the fan level is set to low level and the indoor is in unlocked condition. 4) Power save mode CONTROL_ MODE S/W Input A OFF Input B OFF OFF ON ON OFF OFF ON ON Operating mode Indoor unit operating in power save mode, locked Indoor unit operating in power save mode, unlocked Indoor unit stopped, locked Indoor unit operating not in power save mode, unlocked Indoor unit operating in power save mode, locked Indoor unit operating in power save mode, unlocked Indoor unit stopped, locked Indoor unit stopped, locked 9 ON OFF ON OFF ON A OFF ON When setting 9, A mode, the TEMP_SETTING must always be set to ON. 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