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General| Brand | LG |
|---|---|
| Model | LB-H1860HL |
| Category | Air Conditioner |
| Language | English |
Covers time delay, defrost, and hot-start controls for safe operation.
Features auto changeover, soft dry, and optional telephone control.
Allows selection between Cooling, Heating, Soft Dry, and Auto operation modes.
Enables adjustment of indoor fan speed to Low, Medium, or High.
Sets the desired temperature for cooling (18-30°C) and heating (16-30°C).
Provides width, height, and depth measurements for the indoor unit.
Illustrates outdoor and indoor wiring for heat pump models.
Illustrates outdoor and indoor wiring for cooling only models.
Details time delay safety, soft-dry operation, and cooling mode controls.
Explains unit operation based on temperature settings during cooling mode.
Indoor fan pauses until evaporator piping reaches 31°C during heating.
Describes error codes displayed on the remote controller for troubleshooting.
Guidelines for choosing optimal locations for indoor and outdoor units.
Specifies allowed piping lengths and elevation differences between units.
Procedure for attaching the unit using suspension bolts.
Guidelines for leveling and securing the unit with console bolts.
Steps for selecting and marking positions for fixing bolts and anchors.
Recommendations for installing the remote controller away from sunlight/humidity.
Details on connecting wires between indoor and outdoor unit terminals.
Instructions for securely clamping power and connecting cables.
Steps for electrical connection to the indoor unit's control box.
Instructions for wiring connections and earthing for the outdoor unit.
Guidance on cutting pipes, removing burrs, and attaching nuts.
Instructions for flaring work using a tool and checking the flare quality.
Steps for performing vacuum drying of the connecting piping and indoor unit.
Ensuring proper unit declination and drain piping gradient for water drainage.
Specifies required dimensions for the U-trap to prevent water leakage.
Details thermal insulation requirements for indoor unit components.
Instructions for insulating refrigerant pipes and joints.
Essential precautions before and during the test run operation.
Checklist for items to verify after completing installation.
Ensures correct power supply and checks performance criteria.
Guidelines for teaching customers operation and maintenance procedures.
Configuration options for controlling temperature using two thermistors.
Details on wiring for group control and operating multiple units.
Describes modes for setting maximum or minimum E.S.P. with or without zone control.
Detailed instructions for adjusting external static pressure settings.
Procedure for pumping down the refrigerant using the 3-way valve.
Steps for purging air from the refrigerant lines during re-installation.
Procedure for balancing refrigerant in the system and checking for gas leaks.
Steps for evacuating the system using a vacuum pump.
Procedure for charging the system with the specified amount of refrigerant.
Connecting indoor/outdoor piping, performing leak tests, and vacuuming.
Steps for safely disconnecting and retrieving refrigerant before moving.
Procedure for charging with liquid refrigerant from the gas side.
Analyzes issues based on intake/discharge air temperature and operating current.
Diagnoses problems using suction pressure and temperature readings.
Flowchart for diagnosing and resolving unit operation failures.
Diagram showing the layout and components of the main PCB.
Exploded view and part numbers for the indoor unit assembly.
