DX12X426F-19 - Air Conditioning Daizuki - Free user manual and instructions
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| Product Type | Split Air Conditioner |
| Cooling Capacity | 12000 BTU/h |
| Heating Capacity | 12000 BTU/h (Heat Pump) |
| Indoor Unit Dimensions (W x H x D) | 36.6 x 11.5 x 9.1 inches |
| Outdoor Unit Dimensions (W x H x D) | 31.5 x 22.2 x 12.2 inches |
| Indoor Unit Weight | 28.7 lbs |
| Outdoor Unit Weight | 64.7 lbs |
| Power Supply | 240V / 60Hz |
| Energy Efficiency Ratio (EER) | 11.2 |
| Refrigerant Type | R410A |
| Operating Modes | Cool, Heat, Fan, Dry, Auto |
| Fan Speeds | 3 speeds (Low, Medium, High) + Auto |
| Air Filter | Washable, antibacterial filter |
| Remote Control | Yes, with LCD display |
| Timer Function | 24-hour programmable timer |
| Sleep Mode | Yes |
| Turbo Mode | Yes |
| Self-Cleaning Function | Yes |
| Noise Level (Indoor) | 28 - 45 dB(A) |
| Noise Level (Outdoor) | 55 dB(A) |
| Maintenance | Clean air filter every 2 weeks; professional service annually |
| Safety Features | Overheat protection, auto restart, child lock |
| Warranty | 5 years on compressor, 2 years on parts |
Frequently Asked Questions - DX12X426F-19 Daizuki
How often should I clean the air filter?
Clean the air filter every two weeks under normal usage. A clogged filter reduces efficiency and can damage the unit.
What type of refrigerant does the Daizuki DX12X426F-19 use?
It uses R410A refrigerant, which is more environmentally friendly than older types.
Can I use the air conditioner in heating mode during winter?
Yes, the DX12X426F-19 is a heat pump model that provides both cooling and heating. It works efficiently down to about -10°C (14°F).
What is the recommended room size for this unit?
The 12000 BTU/h capacity is suitable for rooms up to 500 sq ft (46 m²) depending on insulation and sun exposure.
How do I reset the remote control?
Remove the batteries, press any button for 5 seconds to discharge, then reinsert batteries. If the remote still doesn't work, replace the batteries with new AAA alkaline ones.
What does the self-cleaning function do?
The self-cleaning function dries the indoor unit after operation to prevent mold and bacteria growth. It runs the fan for 10-15 minutes after the compressor stops.
How can I improve the cooling efficiency?
Keep doors and windows closed, close curtains during sunny hours, ensure the air filter is clean, and set the fan speed to high for quicker cooling.
The unit displays an error code, what should I do?
Common error codes indicate communication failures or sensor issues. Turn off the unit, wait 5 minutes, and restart. If the error persists, contact a professional technician.
What is the spare parts availability for this model?
Spare parts such as filters, remote controls, and fan motors are available through Daizuki authorized dealers. The air filter can be purchased separately.
Is professional installation required?
Yes, for warranty coverage and safety, it is recommended to have a certified HVAC technician install the unit. Improper installation can cause leaks or electrical hazards.
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USER MANUAL DX12X426F-19 Daizuki
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Product information
Brand : Daizuki
Model : DX12X426F-19
Category : Air Conditioning