LG PQDSB Owners & Installation Manual Download Page 1 | Manualshive

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LG
Dry contact for communication

Owner's & installation manual

LG

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

Models: PQDSBC

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Summary of Contents for PQDSB

Page 1: ...ual 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 Models PQDSBC ...

Page 2: ... 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 18 1 Power supply and indoor unit connection 8 2 Setting of Contact Signal Input 9 3 Setting the desired temperature 10 4 Control mode setting 11 5 Indoor unit monitoring 15 ...

Page 3: ...tallation Service center Service center 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 Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction wil...

Page 4: ...ic shock Do not pour water inside the product It can cause an electric shock and problem to 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 Make the children and the elderly use the product with the help of a guardian It can cause a safety accident and problems to the pro...

Page 5: ...G_SW Switch to select whether to use set function of Dry contact for communication 7 TEMP_SETTING Switch to set the desired temperature of the indoor unit 8 CN_OUT O1 O2 Connector to show whether the indoor unit is operating 9 CN_OUT E3 E4 Connector to show whether there is an error with the indoor unit 10 DISPLAY_LED LED to display the status of the Dry contact for communication 11 RESET_SW Reset...

Page 6: ...hod 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 2 Do not tighten anchoring screws too tightly It may cause deformation of the case 3 Do no...

Page 7: ...the rear case anchor the front case at holes using anchor screws Please cut the pole which is located in side of the front case properly Perform the switch setting according to switch setting method Reference to Setting and Using Method DRY CONTACT 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 prop...

Page 8: ... switch when you are completed with all the settings to reflect the settings When using the Dry contact for communication independently When using with the central controller Only when the indoor unit PCB is a non communication model Indoor unit PCB Indoor unit PCB PI485 Connect to central controller CN_PI485 CN_INDOOR CN_INDOOR CN_INDOOR CN_INDOOR ...

Page 9: ...ner s installation manual 9 2 Setting of Contact Signal Input For no power contact point signal input For power contact point signal input LG does not supply this section Local supply LG does not supply this section Local supply ...

Page 10: ...Turn on the TEMP_SETTING switch of SETTING_SW 2 Use the TEMP_SW to set the temperature as shown below When not 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 SETTING_SW SETTING_SW 0 1 2 3 4 5 6 7 18 19 20 21 22 23 24 ...

Page 11: ... connected but not used 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 CONTROL_MODE_SW Input A Input B Operating mode OFF OFF ON OFF OFF ON ON ON The indoor unit cannot be controlled through the...

Page 12: ...ocked 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 loc...

Page 13: ...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 CONTROL_ MODE S W 7 8 Input A Input B Operating mode OFF OFF ON OFF OFF ON ON ON OFF OFF ON OFF OFF ON ON ON In...

Page 14: ... Indoor unit prior operating condition maintained Compressor not in stop mode unlocked Indoor unit stopped locked Indoor unit stopped locked CONTROL_ MODE S W B Input A Input B Operating mode OFF OFF ON OFF OFF ON ON ON OFF OFF ON OFF OFF ON ON ON Indoor unit stopped unlocked Indoor unit in cool high operation unlocked Indoor unit in heat high operation unlocked Indoor unit in fan high operation u...

Page 15: ... to below and connect to the control device that you want to control Monitoring indoor unit error Refer to below and connect to the control device that you want to control Operation Display Error Display Local Supply Depends on Operation display power type Power AC or DC Local Supply Depends on Error display power type Power AC or DC ...

Page 16: ...P No MFL42540202 After reading this manual keep it in a place easily accessible to the user for future reference Printed in Korea ...

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