PMUB1111A - Air Conditioning LG - Free user manual and instructions
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| Product Type | Split System Air Conditioner |
| Model | PMUB1111A |
| Brand | LG |
| Cooling Capacity (BTU/h) | 11,000 |
| Heating Capacity (BTU/h) | 11,000 |
| Energy Efficiency Ratio (EER) | 12.0 |
| Seasonal Energy Efficiency Ratio (SEER) | 14.0 |
| Refrigerant Type | R-410A |
| Indoor Unit Dimensions (W x H x D) | 35.4 x 11.8 x 8.7 inches |
| Outdoor Unit Dimensions (W x H x D) | 27.6 x 21.7 x 11.8 inches |
| Indoor Unit Weight | 22 lbs |
| Outdoor Unit Weight | 55 lbs |
| Power Supply | 208/230 V, 60 Hz |
| Operating Modes | Cool, Heat, Fan, Dehumidify |
| Air Filter Type | Washable, Anti-Bacterial |
| Noise Level (Indoor, Low/High) | 26 / 42 dB |
| Noise Level (Outdoor) | 52 dB |
| Remote Control | Included |
| Warranty | 1 Year (Parts & Labor), 5 Years (Compressor) |
| Repairability | Replacement parts available; authorized service centers |
Frequently Asked Questions - PMUB1111A LG
How often should I clean the air filter?
Clean the air filter every 2 weeks during heavy use. A clogged filter reduces efficiency and airflow.
Can I install this air conditioner myself?
Installation requires a qualified technician to handle refrigerant lines, electrical connections, and drainage. DIY installation may void warranty.
What does the error code E1 mean?
E1 indicates a communication error between indoor and outdoor units. Check connections and reset the unit. If persistent, contact service.
How do I use the timer function?
Press the Timer button on the remote. Set desired on or off time using +/- buttons. Confirm with Set/Enter.
Is it normal for the outdoor unit to emit water?
Yes, during cooling mode the outdoor unit may drip condensate. This is normal drainage.
What is the recommended room size for this unit?
For 11,000 BTU, the room should be 400-550 sq ft for efficient cooling.
How do I reset the remote control?
Remove batteries, wait 30 seconds, reinsert. If still not working, try fresh batteries.
Can I use an extension cord for the power supply?
No, always plug directly into a dedicated outlet. Extension cords can overheat and cause fire.
Why is the unit not cooling?
Check if the filter is dirty, thermostat set correctly, or if outdoor unit is blocked. If problem persists, call technician.
How do I switch between Celsius and Fahrenheit?
On most LG remotes, press and hold the Temp +/- buttons simultaneously for 3 seconds to toggle.
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USER MANUAL PMUB1111A LG
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Product information
Brand : LG
Model : PMUB1111A
Category : Air Conditioning