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INSTALLATION MANUAL
• Please read this installation 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.
TYPE : Dry contact for communication
Model : PQDSBCGCD0
P/NO : MFL42540218
www.lg.com
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Table of Contents
Related Manuals for LG V-net PQDSBCGCD0
Summary of Contents for LG V-net PQDSBCGCD0
- Page 1 • 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. TYPE : Dry contact for communication Model : PQDSBCGCD0 www.lg.com P/NO : MFL42540218...
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Page 2: Table Of Contents
Dry contact for communication Installation manual TABLE OF CONTENTS Safety Precautions ............. 3~4 Name of each part ..............5 Installation Method ............. 6~7 Installation inside of the indoor unit............6 Installation outside of the indoor unit ............7 Setting and using method ..........8~17 1. -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. - Page 4 Safety Precautions n During use Do not modify or extend the Do not use any flaming Do not use any heating power cord. devices near the product. devices near the power cord. • It can cause a fire and • It can cause a fire. •...
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Page 5: Name Of Each Part
Name of each part Name of each part (Rear case) (Front case) (Top) (Internal PCB board) (Side) (Side) DRY CONTACT FOR COMMUNICATION 1. CN_INDOOR : Connector for indoor unit 2. CN_PI485 : PI485 connector 3. CHANGEOVER_SW : Switch to select External Voltage or Non Voltage for input contact signal 4. -
Page 6: Installation Method
Installation Method Installation Method Installation inside of the indoor unit ① Loose 3 screws anchoring PCB and then separate PCB from the rear case ② Connect the connection wires according to the instructions. (Please refer to Setting and Using Method) ③... -
Page 7: Installation Outside Of The Indoor Unit
Installation Method Installation outside of the indoor unit ① Screw the rear case on the installation surface using screws. ② Please cut the pole which is located in side of the front case properly. ③ Connect connection wires according to the instructions. -
Page 8: Setting And Using Method
Setting and using method Setting and using method After change any Dry contact setting, then you must press RESET switch to reflect the setting. 1. Power supply and indoor unit connection n When using the Dry contact for communication independently Indoor unit CN_INDOOR CN_INDOOR... -
Page 9: Setting Of Input Signal
Setting and using method 2. Setting of input signal n When using contact signal input without external power LG does not supply this section (Field supply) Notes Do not input the voltage signal in "NON VOLT" setting mode otherwise it will cause serious damage... - Page 10 Setting and using method n When using communication signal input LG does not Room Control supply this section Unit (Field supply) 10 Dry contact for communication...
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Page 11: Setting Of ʻTemp_Swʼ
Setting and using method 3. Setting of ʻTEMP_SWʼ n When setting the desired temperature of the Dry contact : When operating the indoor unit, set the desired temperature according to the TEMP_SW setting. When the indoor unit is unlocked, the desired temperature can be reset by other controller - Use the TEMP_SW to set the temperature as shown below Not use Dry Contact TEMP... -
Page 12: Setting Of ʻControlmode_Swʼ
Setting and using method 4. Setting of ʻCONTROLMODE_SWʼ n Use the CONTROLMODE_SW to set a control mode for contact signal input CONTROLMODE_SW Notes • Indoor unit control priority Central control > Dry contact > Wired/Wireless remote controller, indoor unit button •... - Page 13 Setting and using method 2) General mode CONTROL_ Input A Input B Operating mode MODE S/W 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...
- Page 14 Setting and using method 3) Fan level setting mode CONTROL_ Input A Input B Operating mode MODE S/W 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...
- Page 15 Setting and using method 5) Compressor stop mode CONTROL_ Input A Input B Operating mode MODE S/W Indoor unit operating (Compressor in stop mode), locked Indoor unit prior operating condition maintained (Compressor not in stop mode), unlocked Indoor unit stopped, locked Indoor unit stopped, locked Notes •...
- Page 16 n Use the CONTROLMODE_SW to set a control mode for communication signal input CONTROL_ Input A Input B Operating mode MODE S/W The Dry contact ignores a contact signal Only operates by communication signal input from RCU Notes Once the Dry contact has been set E mode, •...
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Page 17: Inoddr Unit Monitoring
Setting and using method 5. Indoor unit monitoring n Monitoring whether the indoor unit is operating: Refer to below and connect to the control device that you want to control. Field Supply Power Operation Display AC or DC (Depends on Operation display power type) n Monitoring indoor unit error: Refer to below and connect to the control device that you want to control. - Page 18 Memo 18 Dry contact for communication...