Owner's Manual
Page 1
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. • Please retain this installation manual for future reference after reading it thoroughly.
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. • Please retain this installation manual for future reference after reading it thoroughly.
Owner's Manual
Page 2
Power supply and indoor unit connection 8 2. Setting the desired temperature 10 4. Indoor unit monitoring 15 2 Dry contact for communication Owner's &installation manual TABLE OF CONTENTS I Safety Precautions 3~4 I Name of each part 5 I Installation Method 6~7 Installation inside of the indoor unit 6 Installation outside of Contact Signal Input 9 3. Control mode setting 11 5. Setting of the indoor unit 7 I Setting and using method 8~18 1. Dry contact for communication
Power supply and indoor unit connection 8 2. Setting the desired temperature 10 4. Indoor unit monitoring 15 2 Dry contact for communication Owner's &installation manual TABLE OF CONTENTS I Safety Precautions 3~4 I Name of each part 5 I Installation Method 6~7 Installation inside of the indoor unit 6 Installation outside of Contact Signal Input 9 3. Control mode setting 11 5. Setting of the indoor unit 7 I Setting and using method 8~18 1. Dry contact for communication
Owner's Manual
Page 4
Do not use any heating devices near the product. • It can cause a fire and electric shock. • It can cause problems to the product. 4 Dry contact for service to the product. Make the children and the elderly use Do not modify or extend the power cord. Service center • It can ...
Do not use any heating devices near the product. • It can cause a fire and electric shock. • It can cause problems to the product. 4 Dry contact for service to the product. Make the children and the elderly use Do not modify or extend the power cord. Service center • It can ...
Owner's Manual
Page 5
...to show whether there is operating 9. CN_OUT (E3, E4) : Connector to display the status of each part Name of the Dry contact for communication 11. DISPLAY_LED : LED to show whether the indoor unit is an error with the indoor unit 10. RESET_SW : ...Reset switch Owner's & installation manual 5 CN_PI485 : PI485 connector 3. CONTROL_MODE_SW : Switch to Dry contact for communication 2. Name of each part (Front case) (Top) (Rear case) 8 9 7 CHANGE OVER_SW CN_OUT NOT USB VOLT e NON VOLT 3 5 ...
...to show whether there is operating 9. CN_OUT (E3, E4) : Connector to display the status of each part Name of the Dry contact for communication 11. DISPLAY_LED : LED to show whether the indoor unit is an error with the indoor unit 10. RESET_SW : ...Reset switch Owner's & installation manual 5 CN_PI485 : PI485 connector 3. CONTROL_MODE_SW : Switch to Dry contact for communication 2. Name of each part (Front case) (Top) (Rear case) 8 9 7 CHANGE OVER_SW CN_OUT NOT USB VOLT e NON VOLT 3 5 ...
Owner's Manual
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Otherwise the central controller may cause malfunction of the central controller. 6 Dry contact for communication Install the product on suitable space inside of the indoor unit Loose 4 screws anchoring PCB and then separate the rear case and PCB ...
Otherwise the central controller may cause malfunction of the central controller. 6 Dry contact for communication Install the product on suitable space inside of the indoor unit Loose 4 screws anchoring PCB and then separate the rear case and PCB ...
Owner's Manual
Page 7
... communication on flat surface and install anchoring screws at random. Otherwise the central controller may cause malfunction of the case. 3. DRY CONTACT UNIT 1. Install the product on the installation surface at holes using anchor screws. It may cause deformation of the central controller. Do not deform the ...
... communication on flat surface and install anchoring screws at random. Otherwise the central controller may cause malfunction of the case. 3. DRY CONTACT UNIT 1. Install the product on the installation surface at holes using anchor screws. It may cause deformation of the central controller. Do not deform the ...
Owner's Manual
Page 8
Setting and using method Setting and using with all the settings to central controller 8 Dry contact for communication Power supply and indoor unit connection I When using the Dry contact for communication independently Indoor unit PCB CN_INDOOR I When using method You must press the RESET switch when you are completed with the central controller (Only when the indoor unit PCB is a non-communication model) Indoor unit PCB CN_INDOOR CN_PI485 PI485: Connect to reflect the settings. 1.
Setting and using method Setting and using with all the settings to central controller 8 Dry contact for communication Power supply and indoor unit connection I When using the Dry contact for communication independently Indoor unit PCB CN_INDOOR I When using method You must press the RESET switch when you are completed with the central controller (Only when the indoor unit PCB is a non-communication model) Indoor unit PCB CN_INDOOR CN_PI485 PI485: Connect to reflect the settings. 1.
Owner's Manual
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...30 30 30 30 SETTING_SW I When setting the desired temperature of the Dry contact for communication SETTING_SW 2) Use the TEMP_SW to the TEMP_SW setting. Setting and using the desired temperature setting of Dry contact for communication 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 : When operating the indoor unit, set the desired temperature according to set the ...
...30 30 30 30 SETTING_SW I When setting the desired temperature of the Dry contact for communication SETTING_SW 2) Use the TEMP_SW to the TEMP_SW setting. Setting and using the desired temperature setting of Dry contact for communication 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 : When operating the indoor unit, set the desired temperature according to set the ...
Owner's Manual
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...OFF OFF ON ON Operating mode 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 controls the indoor unit according to set the control mode you want ...from 0~D. Owner's & installation manual 11 CONTROL_MODE_SW ➲ Indoor control priority Central control > Dry contact for communication > Wired/Wireless remote controller, indoor unit button ➲ Dry contact for communication is connected but not used. Control mode setting I Description of each control mode ...
...OFF OFF ON ON Operating mode 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 controls the indoor unit according to set the control mode you want ...from 0~D. Owner's & installation manual 11 CONTROL_MODE_SW ➲ Indoor control priority Central control > Dry contact for communication > Wired/Wireless remote controller, indoor unit button ➲ Dry contact for communication is connected but not used. Control mode setting I Description of each control mode ...
Owner's Manual
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... unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit operating, unlocked 12 Dry contact for communication
... unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit prior operating condition maintained, locked Indoor unit operating, unlocked 12 Dry contact for communication
Owner's Manual
Page 13
... unit operating at low level, unlocked Indoor unit stopped, locked Indoor unit prior operating condition maintained, unlocked ➲ 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...
... unit operating at low level, unlocked Indoor unit stopped, locked Indoor unit prior operating condition maintained, unlocked ➲ 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...
Owner's Manual
Page 14
..., locked Indoor unit in fan/high operation, locked ➲ Power save mode: Adjust the set temperature to +3°C for cooling and -3°C for heating. 14 Dry contact for communication
..., locked Indoor unit in fan/high operation, locked ➲ Power save mode: Adjust the set temperature to +3°C for cooling and -3°C for heating. 14 Dry contact for communication
