LG DLEX4270 Installation Manual

The LG DLEX4270 is a 7.4 cubic foot electric dryer with advanced features including Sensor Dry technology, multiple drying cycles, steam refresh option, and smart connectivity. This installation manual provides comprehensive guidance for proper setup, electrical requirements, venting installation, and initial operation to ensure optimal performance and safety.

1. Safety Precautions 2. Unpacking and Inspection 3. Location Requirements 4. Electrical Connection 5. Venting Installation 6. Leveling and Stabilization 7. Initial Setup and Testing 8. Specifications 9. Maintenance Guidelines 10. Troubleshooting

Safety Precautions

Before installation, read all safety instructions carefully to prevent injury and property damage.

Warning Type	Precaution
Electrical Hazard	Disconnect power before installation; use dedicated 240V circuit
Fire Hazard	Ensure proper venting; clean lint filter after each use
Physical Injury	Use two people for lifting; secure during transportation
Gas Leaks	Check all connections for leaks if gas model
Child Safety	Keep children away during installation

Unpacking and Inspection

Carefully unpack and verify all components are present and undamaged.

Remove all packaging materials and protective films
Check for shipping damage; report immediately if found
Verify contents: Dryer unit, installation kit, user manual, warranty card
Remove shipping bolts and retain for future use
Clean interior drum with damp cloth before first use

WARNING! Do not remove shipping bolts until dryer is in final position.

Location Requirements

Select appropriate location meeting all space and clearance requirements.

Ensure level, solid floor capable of supporting 150+ lbs
Maintain 1-inch clearance on sides and back
Provide 6-inch clearance in front for door opening
Keep away from heat sources and direct sunlight
Ensure adequate ventilation space around unit

CAUTION! Do not install in areas with temperature below 45°F or above 100°F.

Electrical Connection

Proper electrical connection is critical for safe operation.

Voltage: 240V AC, 60Hz
Circuit: Dedicated 30-amp circuit required
Outlet: NEMA 10-30R or 14-30R
Wire Gauge: 10 AWG copper wire minimum
Grounding: Proper grounding essential

WARNING! Electrical work must be performed by qualified electrician.

Venting Installation

Proper venting ensures efficient drying and prevents fire hazards.

Use rigid metal ducting (aluminum or galvanized steel)
Keep vent run as short and straight as possible
Maximum vent length: 35 feet (subtract 5 feet for each elbow)
Secure all joints with metal foil tape (no screws)
Install exterior vent hood with backdraft damper

Tip: Avoid plastic or flexible foil vent materials.

Leveling and Stabilization

Proper leveling prevents vibration and ensures quiet operation.

Place level on top of dryer
Adjust front leveling legs until unit is level side-to-side and front-to-back
Check that all four feet contact floor firmly
Test for stability by gently rocking unit
Tighten lock nuts on leveling legs

CAUTION! Unlevel installation may cause excessive noise and vibration.

Initial Setup and Testing

Complete final setup and perform operational test.

Connect power cord to dedicated outlet
Install lint filter and ensure proper seating
Select test cycle (Normal Dry, Medium heat)
Run empty cycle for 15 minutes to burn off manufacturing residues
Check for proper heating, tumbling, and venting
Verify all controls and displays function correctly

WARNING! Do not leave dryer unattended during initial test.

Specifications

Capacity: 7.4 cubic feet
Power Source: 240V/30A electric
Dimensions: 27" W x 29" D x 38.5" H
Weight: 128 lbs
Drying Cycles: 10 including Sensor Dry, Timed Dry, Steam Refresh
Control Type: Electronic with LED display
Vent Type: 4-inch rear exhaust
Energy Star: Certified

Maintenance Guidelines

Regular maintenance ensures optimal performance and longevity.

Maintenance Task	Frequency	Procedure
Clean lint filter	After every load	Remove and clean with brush
Inspect vent system	Every 6 months	Check for lint buildup and damage
Clean interior	Monthly	Wipe drum with damp cloth
Check exhaust vent	Annually	Professional cleaning recommended
Inspect power cord	Monthly	Check for damage or wear

Troubleshooting

Symptom	Possible Cause	Corrective Action
Dryer won't start	Power issue, door switch	Check power supply; ensure door closed properly
No heat	Thermal fuse, heating element	Check thermal fuse; verify heating element function
Excessive noise	Unlevel, foreign objects	Level unit; check for objects in drum
Long drying times	Venting, lint buildup	Clean vent system; check for restrictions
Error codes	Sensor issues	Refer to error code chart in manual

Service: 1-800-243-0000; www.lg.com