LG DLEX3470V Installation Manual
The LG DLEX3470V is a 7.4 cubic foot electric dryer with SteamFresh™ technology, LoDecibel™ quiet operation, sensor drying system, multiple drying cycles, ENERGY STAR® certification, and smart diagnosis capability. Below are key sections for safety precautions, installation requirements, electrical connections, venting setup, operation testing, and troubleshooting.
Safety Precautions
Important safety instructions to prevent injury and property damage.
| Warning Type | Precaution |
| Electrical Hazard | Disconnect power before installation; use dedicated 240V circuit |
| Fire Hazard | Install proper venting; clean lint filter after each use |
| Physical Injury | Use two people for moving; ensure stable level surface |
| Gas Leak Risk | This is electric model only; no gas connections required |
| Child Safety | Keep children away during installation; secure door when not in use |
Installation Requirements
Space and location requirements for proper installation.
- Location: Well-ventilated area with minimum 1-inch clearance on sides and back
- Flooring: Solid, level surface capable of supporting 150+ pounds
- Electrical: Dedicated 240V, 30-amp circuit with proper grounding
- Venting: 4-inch diameter rigid metal duct recommended
- Clearance: Minimum 6 inches from walls and other appliances
WARNING! Do not install in areas with temperature below 45°F or above 100°F.
Electrical Connection
Proper electrical hookup procedures.
- Power off: Ensure main circuit breaker is turned OFF
- Connection: Use 10-gauge copper wire with proper strain relief
- Grounding: Connect green ground wire to designated terminal
- Terminals: Connect black and red wires to L1 and L2 terminals
- White wire: Connect to neutral terminal if required by local codes
- Secure: Tighten all connections and install access panel
CAUTION! Electrical work should be performed by qualified technician.
Venting Setup
Proper exhaust vent installation for optimal performance.
- Vent Type: Rigid metal duct recommended (avoid plastic/foil)
- Diameter: 4-inch standard size
- Length: Maximum 35 feet with two 90° elbows
- Clearance: Keep away from insulation and combustible materials
- Exterior: Install proper exterior vent hood with backdraft damper
Tip: Use aluminum foil tape for connections; avoid screws that catch lint.
Leveling and Positioning
Ensuring proper leveling for optimal operation.
- Position dryer in final location
- Check level: Use spirit level on top of dryer
- Adjust feet: Turn leveling feet clockwise to raise, counterclockwise to lower
- Recheck: Verify level from front to back and side to side
- Lock feet: Secure locking nuts if available
Note: Proper leveling reduces vibration and noise during operation.
Operation Testing
Testing procedures after installation completion.
- Restore power: Turn circuit breaker back ON
- Initial setup: Select language and basic settings if prompted
- Test cycle: Run empty on Air Fluff cycle for 10 minutes
- Check heating: Run Normal cycle and verify heat production
- Inspect venting: Ensure proper airflow and no leaks
- Verify controls: Test all buttons and display functions
WARNING! Do not leave dryer unattended during initial testing.
Specifications
- Capacity: 7.4 cubic feet
- Power: 240V, 30A, 5600W heating element
- Dimensions: 27" W × 29" D × 38" H
- Weight: 128 pounds
- Venting: 4-inch rear exhaust
- Cycles: 10 drying cycles including Steam Refresh
- Features: Sensor Dry, Wrinkle Care, LoDecibel™ operation
- Warranty: 1 year parts and labor, 10 year motor warranty
Troubleshooting
| Symptom | Possible Cause | Corrective Action |
| Dryer won't start | Power supply/door | Check circuit breaker; ensure door fully closed |
| No heat | Heating element/thermostat | Verify 240V supply; check heating element continuity |
| Excessive noise | Leveling/objects | Re-level dryer; check for objects in drum |
| Long drying times | Venting/loading | Clean lint filter; check vent for restrictions |
| Error codes | Sensor issues | Refer to error code chart in manual; use Smart Diagnosis |
Smart Diagnosis: Use LG SmartThinQ app for remote troubleshooting.
Service: 1-800-243-0000; www.lg.com
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