LG PQDSBCGCD0 User guide
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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 |
Dry contact for communication Installation manual
TABLE OF CONTENTS
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ν Safety Precautions |
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3~4 |
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ν Name of each part |
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5 |
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ν Installation Method |
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6~7 |
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Installation inside of the indoor unit.......................................................... |
6 |
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Installation outside of the indoor unit ....................................................... |
7 |
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ν Setting and using method ................................................ |
8~17 |
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1. |
Power supply and indoor unit connection............................................ |
8 |
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2. |
Setting of input signal................................................................... |
9 ~ 10 |
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3. Setting of ʻTEMP_SWʼ........................................................................ |
11 |
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4. Setting of ʻCONTROLMODE_SWʼ............................................ |
12 ~ 16 |
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5. |
Inoddr unit monitoring ........................................................................ |
17 |
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2 Dry contact for communication
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
νIncorrect 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. |
CAUTION |
This symbol indicates the possibility of injury or damage. |
ν Meanings of symbols used in this manual are as shown below.
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Be sure not to do.
Be sure to follow the instruction.
ν During installation
Do not touch the board when the power is connected.
•It can cause a fire, electric shock, explosion, injury and problem to the product.
WARNING
Always request for installation of the product to the service center or the installation service provider.
•It can cause a fire, electric shock, explosion and injury.
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.
Service center |
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center |
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ce |
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Servi |
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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.
Installation manual 3
Safety Precautions
ν During use
Do not modify or extend the |
Do not use any flaming |
power cord. |
devices near the product. |
• It can cause a fire and |
• It can cause a fire. |
electric shock. |
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Do not pour water inside the |
When the product is |
product. |
submersed in water, always |
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request for service to the |
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service center or the |
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installation service provider. |
Do not use any heating devices near the power cord.
•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 an electric shock and problem to the product.
•It can cause a fire and electric shock.
•It can cause a safety accident and problems to the product.
center Service
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
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(Rear case) |
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(Front case) |
4 |
5 |
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3 |
12 |
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6 |
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7 |
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10 |
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(Top) |
1 |
11 |
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9 |
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2 |
8 |
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(Internal PCB board) |
(Side) |
(Side) |
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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. CN_CONTROL |
: Contact point signal input |
5. CN_COM |
: Signal input for communication |
6. CONTROLMODE_SW |
: Switch to select the control mode |
7. TEMP_SW |
: Switch to set the desired temperature or indoor unit address |
8.CN_OUT(O1,O2) : Output terminal to show whether the indoor unit is operating (Relay contact)
9.CN_OUT(E1,E2) : Output terminal to show whether there is an error with the indoor unit (Relay contact)
10.LED_DISPLAY : LED to display the status of Dry contact
11. RESET_SW |
: Reset switch |
12. LED_485 |
: LED to display the status of communication |
Installation manual 5
Installation Method
Installation Method
Installation inside of the indoor unit
Loose 3 screws anchoring PCB and then separate PCB from the rear case
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 screw at least 2 places. Otherwise the Dry contact may not be anchored properly.
2.Do not screw too tightly. It may cause deformation of the case.
3.Do not deform the case at random. It may cause malfunction of the Dry contact.
6 Dry contact for communication
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