LG LK-1580CH User Manual

ENGLISHSINGLE PACKAGED AIR CONDITIONERSINSTALLATION & MAINTENANCE INSTRUCTIONS• Please read this instruction sheet completely before installing th

Check the unit nameplate for the required supply voltage. Determine if adequate electricalpower is available. Refer to application specifications.Elec

ENGLISH11BR RD YLMAIN PCB ASMT/B 4REMOTECONTROLLERCN-THERMOSTAT21RDWHAC 24VFANHEATER1COMP1RGBKORBRWHEATER2W1YT/B 2T/B 3REMOVE JUMP WIRE WHENCONNECTING

HIGH VOLTAGE FIELD WIRING DIAGRAM12RDWHAC 24VFANCOOLINGHEATINGCOMP 1HEATER 1RGOBBKORBRYLBLRDWHBKXWW1YHEATER 2EMER, HEATERET/B 2T/B 3REMOVE JUMP WIRE W

ENGLISHField Installed DC Control WiringBefore installing the connecting wiring between the components utilizing a DC analogoutput/input signal and th

14(Note)• Keep all wires away from the refrigerant pipe.• To protect the control cord from electrical noise, place DC wires at least 0.2 inch away fro

The "initialization" by the MAIN CONTROLLER occurs each time the system is powered-up.the MAIN CONTROLLER performs internal self-diagnostics

1611. Test Mode ProcedureOperating the unit from the roof using the test mode.The step test mode is initiated by pressing test key(tact switch located

ENGLISH17Test Mode Table 1 (Cooling only model)(Note)1. "*" mark means that the function depends on unit model. In case the unit doesn'

1812. Trial Run ModeOperating the unit in the room withoutconcerning about set temperature.Pressing simultaneously 'Room TemperatureChecking Butt

Use the following procedure to determine the proper adjustment of the evaporator fan for a specific application.1. Determine total system external sta

21.The following should be always observed for safety ...32. Dimensional Data ...

2014. Start-upVerify that the unit airflow rate is adjusted according to information provided in "DeterminingEvaporator Fan Adjustment" sect

ENGLISH21After the unit has operated in the cooling mode for a short period of time, install pressuregauges on the gauge ports of the discharge and su

You can do some of the periodic maintenance functions for your unit yourself; this includescleaning air filters, cleaning unit cabinet, cleaning the c

ENGLISHUnfiltered air circulates through the unit's condenser coil and can cause the coil's surface tobecome clogged with dust, dirt, etc..

24MemoENGLISH

ENGLISH31. The following should be always observed for safety• Please report to or take consent by the supply authority before connecting to the syste

UNIT Dimensions (Figure 1A)UNIT Dimensions (Figure 1B)4Single packaged cooling unit are designed for outdoor mounting with vertical condenser discharg

ENGLISHHorizontal Application Unit (Figure 1E)Rear View Showing Duct Openings For Horizontal Air FlowHorizontal Unit (Figure 1F)Rear View Showing Duct

3-1. Inspection1) Check for damage after unit is unloaded. Report promptly, to the carrier, any damage found to unit. Donot drop unit.2) Check the uni

ENGLISH1. Attaching Downflow Ductwork to The Roof Curb (below 5.0RT)Supply and return air flanges are provided on the roof curb for easy duct installa

A. CONDENSATE DRAINA 3/4 inch male condensate drain connection is located on the corner of the unit next to the evaporatorsection access panel. A trap

97. Installation of remote controllerENGLISH• Install the remote control box and cord correctly.• As the room temperature sensor is in the remote cont