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LG
Air conditioner Base controller
Owner's & Installation Manual
Model: PQCSA001T0
Visit us at : http://www.lgservice.com
IMPORTANT
• Please read this Owner's & Installation Manual
carefully and thoroughly before installing and operating
your Base Station air conditioner.
• Please retain this Installation Manual for future reference
after reading it thoroughly.
LG
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Table of Contents
Related Manuals for LG PQCSA001T0
Summary of Contents for LG PQCSA001T0
- Page 1 Visit us at : http://www.lgservice.com Air conditioner Base controller Owner's & Installation Manual Model: PQCSA001T0 IMPORTANT • Please read this Owner's & Installation Manual carefully and thoroughly before installing and operating your Base Station air conditioner. • Please retain this Installation Manual for future reference...
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Page 2: Table Of Contents
Air conditioner Base controller Contents I Safety Precautions ...................3 I Functions and names ................6 Overview.....................6 Main functions.....................6 General specification..................7 Components ....................8 Names for each part...................9 I Wiring ......................10 Diagram for the base station controller ............10 How to connect the base station controller..........11 How to connect the base station controller (2) ........13 I Product setting ..................14 Setting the indoor unit address ..............14... -
Page 3: I Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I 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 Keep or use inflammable gas or material Do not disassemble, repair or modify the near the product. product at random. • It may cause fire or the malfunction of the • It may cause fire or electric shock. product.
- Page 5 Safety Precautions Do not use any heating source near the Do not put any heavy object on the power power cord. cord. • It may cause fire or electric shock. • It may cause fire or electric shock. POWER EREOR POWER EREOR RUN/STOP...
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Page 6: I Functions And Names
Functions and names Functions and names Overview It is the controller for the 24-hour cooling operation for the base station or the computer center, which controls two air conditioners to alternately operate. It generates the contact signal to the outside when it detects the water leakage/fire or the error of the air conditioner. -
Page 7: General Specification
Functions and names 9. High-temperature alarm for the inside of the base station When the internal temperature of the base station is 30°C or higher, it generates the error message and the high temperature error alarm. • When fire is occurred, it stops the air conditioner and generates the error message and the fire alarm. -
Page 8: Components
We are not responsible for any problem caused by using the adaptor other than the standardized one offered by us, so using any non-standard part should be prohibited. You can consult the LG System Air Conditioner Support Division about the applicable product. -
Page 9: Names For Each Part
Functions and names Names for each part POWER EREOR RUN/STOP MODE RESET 1. RS 485 communication 5. Operating button AIRCON_A: Air conditioner connector A(+) RUN/STOP: Run/Stop L : Up M: Down AIRCON_B: Air conditioner connector B(-) CENTER_A: Optional MODE: Initial setting CENTER_B: Optional RESET: Initializing the product 2. -
Page 10: I Wiring
Wiring Wiring Diagram for the base station controller The base station controller is connected to one main indoor unit and one auxiliary indoor unit. (Control address : 01) (Control address : 02) RS 485 RS 485 communication line communication line 0.75 mm 2P shield Base station controller... -
Page 11: How To Connect The Base Station Controller
Wiring How to connect the base station controller • Refer the wiring diagram and make the connections accordingly ➀ Service cover POWER EREOR RUN/STOP MODE RESET <In case of without service cover> ➁ 485 communication terminal CENTER AIRCON ➂ Internal ➆... - Page 12 Wiring [Steps to connect] Remove the right service cover from the main body Base station PI 485 of the base station controller controller communication terminal Insert the RS-485 communication line connecting to Air conditioner BUS_A the PI 485 through the left hole of the service cover A terminal and connect it to the air conditioner A and B.
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Page 13: How To Connect The Base Station Controller (2)
Wiring How to connect the base station controller (2) Connecting the PI 485 communication line BUS_B BUS_A Aircon Indoor unit #1 (Control address : 01) POWER EREOR BUS_B BUS_A RUN/STOP MODE RESET Base station controller Indoor unit #1 (Control address : 02) [Steps to connect] *Note: See the PI 485 manual for the internal setting. -
Page 14: I Product Setting
Product setting Product setting Setting the indoor unit address I When using the wired remote controller 1. Press and hold both the Program button and the Set/Ctl button for 3 seconds. AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater... - Page 15 Product setting I Using Wireless Remote Controller 1. Address setting mode 1) Keep pressing upper left side key continuously and press RESET button once. Now the system is ready for address setting. 2) Set the Indoor unit address using the temperature controller buttons.
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Page 16: Setting The Base Station Controller
Product setting Setting the base station controller I Initial screen Power-on screen Ready-to-run screen Base Station Control Stop Set Temp 23.0°C Version XXXXX Real Temp 20.5°C I Function setting • Press and hold the Mode button to switch to the system setting screen. •... - Page 17 Product setting Sensitivity temperature setting • The number of air conditioners to run is determined according to the sensed temperature (difference between indoor and outdoor). • Press "Mode" button once to display the sensitivity temperature on the LCD. • If the difference between the indoor temperature and the setting temperature is higher than the 2time of sensitivity temperature, two indoor units are run, but if the difference is Higher than the sensitivity temperature range, one indoor unit is alternately run during the shift time.
- Page 18 Product setting High humidity setting • Press "Mode" button once to display the High humidity setting on the LCD. [High humidity to set] High Humidity ➲ The default value is 90% RH. Setting 90 % RH ➲ The setting range is 60~95 RH. •...
- Page 19 Product setting External temperature setting (controlling the ventilating fan) • Press "Mode" button once to display the EXT_Temp. CLR setting on the LCD. • It makes the indoor cooling possible by ventilating when the external temperature is low. (Indoor cooling in winter) [External temperature setting] ➲...
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Page 20: Operating The Base Station Controller
I Setting the running mode, 3.5RT and 5.0RT running mode • It is the run setting mode due to the added operation mode of LG Telecom. • There are three setting modes such as normal auto rotary, 3.5RT and 5.0RT operation. - Page 21 Product setting It is the off time after the running time is completed. Aircon OffTime 3.5RT The minimum setting is 4 minutes. Setting 015 min ➲ The default value - 3.5 RT: 15 min. 5.0 RT: 5 min • 3.5 RT is displayed when RT-3.5 is set at the (The off time is not permitted at the 5.0 RT MODE SELECT Setting or 5.0 RT when RT-5.0 is...
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Page 22: Using The Unit
Product setting Using the unit I Running the base station controller Press "RUN/STOP" once to run the waiting indoor unit at the LCD. Stopped unit screen Running unit screen Stop Set Temp 20.0 °C RUN Set Temp 20.0 °C Real Temp 22.5 °C 01 Real Temp 22.5 °C The running indoor unit and the number of units depend on the initial setting value. -
Page 23: Errors From The Base Station Controller
Product setting Errors from the base station controller • When the cause of the error is solved, all operations are automatically resumed. • The error code of 1 and 2 shows the error number displayed at the indoor unit or the wired remote controller by the said indoor unit when the error is occurred. - Page 24 Product setting When the indoor water leakage is detected • When the detecting signal is received from the sensor, the error message is displayed. • The water leakage error alarm is displayed. [Error Message] Leak WATER Error When the indoor fire is detected •...
- Page 25 Product setting I Output definition when any alarm is generated Fire detected: All outputs such as running air conditioner are stopped, and the display and the fire alarm are generated. (Normal : Normal: Relay Powerless Contact B Short) (Error: Relay Powerless Contact A Open) Water leakage detected: The display and the water leakage alarm are generated.
- Page 26 P/No.: 3828A20494M Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.