LG Inverter Direct Drive 21 kg Manual

User Manual & Installation Guide

21 kg Capacity

Installation Guide

Tools Needed:

  • Heavy-duty adjustable wrench
  • Industrial level
  • Screwdrivers (flat and Phillips)
  • Pipe wrench
  • Tape measure
  • Water pressure gauge

Step-by-Step Installation

  1. Choose Installation Location: Select a reinforced location near industrial plumbing and electrical connections on a solid, level concrete floor.
  2. Remove Shipping Materials: Remove all shipping bolts, braces and heavy packaging materials from the commercial washing machine.
  3. Connect Water Supply: Connect industrial-grade hot and cold water supply lines to the heavy-duty water inlet valves.
  4. Connect Drain System: Install commercial drain hose with backflow prevention into approved standpipe system.
  5. Electrical Connection: Connect to dedicated 240V, 60Hz, 30A commercial outlet with proper grounding.
  6. Level the Machine: Adjust heavy-duty leveling legs to ensure perfect balance for large load operation.
  7. Test Run: Run complete commercial cycle to verify leak-free operation and proper heavy load performance.
Warning: All installations must be performed by certified commercial appliance installers to ensure proper operation and maintain warranty coverage.

Specifications

Model Series WM21KGDD
Type Commercial Front Load Washing Machine
Color Stainless Steel / Commercial White
Capacity 21 kg
Noise Level (Wash/Spin) 55 dB / 72 dB
Control Type Industrial Touch Controls with Enhanced LCD Display
Energy Rating A+++ (Commercial Grade Efficiency)
Water Consumption 18,000 L/year
Power Requirements 240V, 60Hz, 30A
Dimensions (HxWxD) 120 x 75 x 75 cm
Weight 125 kg
Max Spin Speed 1600 RPM

Warranty Information

  • Full Warranty: 3 years parts and labor
  • Motor Warranty: 15 years on Heavy-Duty Direct Drive Motor
  • Commercial Coverage: Optional business warranty available

For commercial warranty service, contact LG Business Support at 1-800-243-2100 or visit LG.com/business

Key Features

Heavy-Duty Direct Drive Motor

LG's industrial-grade Direct Drive motor connects directly to the oversized drum, engineered for commercial use with enhanced durability and reduced maintenance.

Commercial Inverter Technology

The heavy-duty inverter motor provides precise control over large load washing motions, delivering superior cleaning performance with maximum energy efficiency.

8 Motion DD Technology

Eight specialized wash motions optimized for commercial laundry needs, from delicate hospitality linens to heavily soiled industrial workwear.

Industrial Steam Technology

Commercial-grade steam system removes tough industrial stains, eliminates bacteria, and reduces wrinkles for professional laundry results.

Business SmartThinQ Technology

Enterprise Wi-Fi enabled for remote facility management, allowing monitoring of multiple units, maintenance alerts, and usage analytics.

TurboWash™ Pro

Commercial time-saving technology washes large 21kg loads in just 45 minutes using industrial jet sprays and optimized drum rotations.

8 Motion DD Technology Explained

Heavy Tumbling

Industrial up-and-down motion for large delicate items

Commercial Swinging

Enhanced left-right motion for synthetic work fabrics

Industrial Scrubbing

Maximum cleaning action for heavily soiled industrial items

Advanced Filtration

Commercial lint separation for multiple load operations

Professional Stepping

Industrial hand-wash simulation for premium fabrics

Bulk Swinging

Heavy-duty motion for oversized commercial items

Sanitization Motion

Specialized movement for healthcare and food industry laundry

Quick Wash Motion

Rapid commercial cycle for high-turnover operations

Troubleshooting

Problem Possible Cause Solution
Commercial unit won't start Three-phase power issue, commercial door interlock failure Check commercial power supply, inspect door locking mechanism
Inconsistent cleaning results Commercial overloading, wrong industrial detergent, incorrect program selection Follow commercial load limits, use approved industrial detergents
Commercial drainage failure Clogged industrial drain system, pump motor failure Clear commercial drain lines, inspect industrial pump system
Industrial water leakage Worn door seals, overpressure, loose commercial fittings Inspect commercial seals, check water pressure, tighten all fittings
Unusual industrial noises Foreign objects in commercial drum, severely unbalanced loads Clear drum of foreign objects, ensure proper commercial load distribution
Excessive vibration during commercial spin Massive unbalanced loads, uneven industrial floor, improper installation Redistribute commercial loads, verify industrial floor leveling

Commercial Error Codes

  • IE-C: Commercial water supply issue - Check industrial water pressure and valves
  • OE-C: Industrial drain system failure - Inspect commercial drain pump and lines
  • FE-C: Commercial flooding detected - Emergency water cutoff activation
  • LE-C: Industrial motor overload - Contact commercial service center
  • dE-C: Commercial door safety lock failure - Inspect industrial locking mechanism
  • UE-C: Severe commercial load imbalance - Emergency stop and redistribute

Manual Downloads

Current Commercial Models

WM21KGDD

21kg Commercial DD™ Washer

WM21KGST

21kg Industrial Steam Washer

WM21KGTQ

21kg Business ThinQ Washer

WM21KGWH

21kg Commercial White Washer

Previous Commercial Models

WM18KGDD

18kg Industrial DD Washer

WM20KGST

20kg Commercial Steam Washer

WM22KGTQ

22kg Business ThinQ Washer

WM25KGWH

25kg Industrial White Washer

Note: For commercial models not listed here, please visit the LG Business Support Website for complete commercial documentation.