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How To Connect To The Indoor Unit
(Posted by Anonymous-86518 11 years ago)
Popular LG PQDSB Manual Pages
Owner's Manual - Page 1
... 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...
Owner's Manual - Page 2
... indoor unit 6 Installation outside of Contact Signal Input 9 3. 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 Setting and using method 8~18
1. Control mode setting 11 5. Dry contact for...
Owner's Manual - Page 3
..., electric shock, explosion and injury.
Owner's & installation manual 3 CAUTION This symbol indicates the possibility of death or serious injury. Be sure to do. WARNING
Always request for service to the service center or the installation service provider.
• It can cause problems to the product.
I Incorrect operation due to ignoring instruction will cause harm or damage...
Owner's Manual - Page 4
....
• It can cause a safety accident and problems to the product.
4 Dry contact for service to the product.
• It can cause a fire. Do not use the product with the help of a guardian.
• It can cause an electric shock and problem to the service center or the
installation service provider. Make the children and the elderly use...
Owner's Manual - Page 5
... whether the indoor unit is an error with the indoor unit
10. TEMP_SETTING
: Switch to use set the desired temperature of Dry contact for communication
7. SETTING_SW
: Switch to select whether to set function of the indoor unit
8. DISPLAY_LED
: LED to Dry contact for communication
11. Name of each part
Name of the Dry contact for communication
2. CN_INDOOR
: Connect...
Owner's Manual - Page 6
... controller.
6 Dry contact for communication It may not be anchored properly. 2. It may cause deformation of the case. 3. Install the product on suitable space 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...
Owner's Manual - Page 7
... tightly.
Do not deform the case at more than 2 places. Installation Method
Please cut the pole which is located in side of the case. 3. DRY CONTACT UNIT
1. Owner's & installation manual 7 Connect connection wires according to the instructions. (Reference to Setting and Using Method) Then, connect wire to Setting and Using Method) Join the front case and the rear...
Owner's Manual - Page 8
... 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...
Owner's Manual - Page 9
Setting and using method
2. Setting of Contact Signal Input
I For no power contact point signal input
I For power contact point signal input
LG does not supply this section (Local supply)
LG does not supply this section (Local supply)
Owner's & installation manual 9
Owner's Manual - Page 10
...20 21 22 23 24 25
TEMP SW setting 8 9 A B C D E F
Temperature setting(°C)
26
27
28
29
30
30
30
30
SETTING_SW
I When setting the desired temperature of the Dry contact for communication Setting and using the desired temperature setting of Dry contact for communication, set the temperature as shown below.
Setting the desired temperature
I When not using method
3. When...
Owner's Manual - Page 11
...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 use of A and B. Owner's & installation manual 11
CONTROL_MODE_SW
➲ Indoor control priority Central control > Dry contact for communication > Wired/Wireless remote controller, indoor unit button
➲...
Owner's Manual - Page 12
Setting and using method
2) General mode
CONTROL_ MODE S/W
1
2 3 4
5 6
Input A
OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ... 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
Owner's & installation manual 13 Setting and using method
3) Fan level setting mode
CONTROL_ MODE S/W
7
8
Input A
OFF ON OFF ON OFF ON OFF... 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 unlocked condition.
4) Power save...
Owner's Manual - Page 14
Setting and using method
5) Compressor stop mode
CONTROL_ MODE S/W
Input A OFF
Input B OFF
ON
OFF
B
OFF
ON
ON
ON
Operating mode
Indoor unit ... operation, locked Indoor unit in heat/high operation, 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
Owner's Manual - Page 15
...
below and connect to the control device that you want to control. Local Supply
Operation Display
Power AC or DC
(Depends on Error display power type)
Owner's & installation manual 15
Setting and using method
5. Indoor unit monitoring
I Monitoring indoor unit error: Refer to below and connect to the control device that you want to
control.
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