ENGLISH ITALIANO ESPAÑOL FRANÇAIS OWNER’S MANUAL AIR CONDITIONER DEUTSCH Please read this manual carefully before operating your set and retain it for future reference. TYPE : Simple Central Controller P/NO : 3828A20467B www.lg.
Central Control Unit TABLE OF CONTENTS ■ Safety precautions ..................................................................3 ■ Before use................................................................................5 System drawing ........................................................................5 Name of each part ....................................................................6 ■ Operation tips..........................................................................
Safety Precautions Safety Precautions • The installation requires expert skills, and it should be installed by the service center or other shops specialized in the installation and recognized by our company. • The following safety cautions are provided to prevent unexpected dangers or losses. WARNING : If the user does not follow the mandatory items, it may result in serious injury or death. CAUTION : If the user does not follow the mandatory items, it may cause personal injury or property damage.
Safety Precautions ■ In-use Do not modify or lengthen the power cable at your discretion. It may cause fire or an electric shock. Do not place a heating device near the product. It may cause fire. Do not drop water on to the product. It may cause an electric shock or product breakdown. ¿ł ¿‰ˆ¿ Do not place something heavy on the power cable. It may cause fire or an electric shock. ¿‰ˆ`⁄` Do not place a heavy thing on the product. It may cause product breakdown.
Before Use Before Use System Drawing ENGLISH Total 128 indoor units can be controlled by central controllers using function controller along with. Function controller is connected as shown below. PI 485 Indoor unit PQRCHCS0 Defrost Preheat Out door Slo Room Temp Lo Total on Med Central Run Hi Po (1) (3) (16) Cooling Heating Auto Dry Fan MODE Central controller FAN SPEED SEARCH Individual controller Function controller • Function controller and PI 485 are sold separately.
Before Use Name of Each Part Central controller 1 3 2 4 5 1. On/Off status display LED (total 16EA) Displays the status of the indoor unit if individual On/Off button is pressed. • Cooling/dehumidification/blowing operation: Green • Heating operation: Orange • Failure of product: Red • Stop: Off 2. Power display LED • Application of power: Green • No power: Off • During control: Flickering 3. Individual On/Off button (total 16EA) On/Off control of the connected indoor units. 4.
Operation Tips Operation Tips Control of On/Off operation ENGLISH Individual Operation 1. Press the individual On/Off button, then the equivalent unit starts and LED is on. 2. If pressing the individual On/Off button, equivalent unit stops and LED is off. Total Control for Each Group • Press Total On button, then all units of that group operate sequently and LED is on. • Press Total Off button, then each group units stop sequently and LED is off. Total On/Off Operation (master & slave combination) 1.
Operation Tips • Mode change function doesn't work when the function controller is connected with the system. Mode Change Operating mode change for individual indoor unit While changing the operating mode of the indoor unit, press the individual Operate/Stop button for 2 seconds and the operating mode of the applicable indoor unit will change from cooling to heating mode or from heating to cooling mode.
Operation Tips • Control is available only by central controller & control by individual remote controller is impossible Setting Individual Lock ENGLISH Setting individual lock Press Total On and individual On/Off button at the same time. • In this case, equivalent unit is controlled only by Central controller. After lock function is set, the equivalent LED of locked unit blinks for 5 sec. Cancellation Press, Total Off and individual On/Off button at the same time to cancel the lock function.
Operation Tips Connected Indoor Unit Search Function Automatic search When power is connected to the Central controller set as master, LEDs from no. 1 to 16 will light up in sequence and automatically runs a search for all the connected indoor units for 3 minutes. This is generally the just operation after the installation of the controller. Indoor unit re-search If all indoor units have not been searched during the automatic search, press the Total On, Total Off and no.
Operation Tips Self Diagnosis for Indoor unit Normal ENGLISH The On/Off status indicator LED of individual indoor unit is On/Off (depends upon unit state) Error condition If there is an error in the indoor unit, the On/Off status indicator LED of the that indoor unit turns red and when it recovers normal condition, the LED will turn green or orange depending on the operating mode. Set Group Inquiry Press the Total On, Total Off and no. 6 button simultaneously.
Operation Tips Function Controller Connection Individual indoor unit control 1. Press the individual On/Off button of the central controller and select the indoor unit to be controlled. Now the applicable indoor unit will start or stop. 2. Function controller indicates the operating status of the selected indoor unit and makes it to change the condition to adjust the wind/set temperature of the operating mode. PQCSC101S0 Group indoor unit control(1 group) 1.
Operation Tips Group selection from Master Centrol Controller 2. Function controller of the selected slave controller displays the operating status of the first indoor unit. It also displays "Total on" on its screen. Now the setting can be done for whole group/slave indoor units using function controller. Slave no. 3 group Slave no. 2 group PCS-B101S0 Function controller Master no. 1 group Indoor unit search 1. Select the search button of the function controller. 2.
Memo 14 Simple Central Controller
