DX12X426H-19 - Air Conditioning Daizuki - Free user manual and instructions
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| Product Type | Split System Air Conditioner (Indoor + Outdoor Unit) |
| Cooling Capacity | 12,000 BTU/h (3.5 kW) |
| Heating Capacity | 12,000 BTU/h (3.5 kW) - Heat Pump |
| Energy Efficiency (SEER) | 16 SEER |
| Refrigerant | R410A |
| Indoor Unit Dimensions (WxHxD) | 915 x 290 x 210 mm |
| Outdoor Unit Dimensions (WxHxD) | 790 x 540 x 290 mm |
| Indoor Unit Weight | 12 kg |
| Outdoor Unit Weight | 32 kg |
| Power Supply | 220-240 V / 50 Hz / 1 Phase |
| Power Input (Cooling) | 1.05 kW |
| Operating Temperature Range (Cooling) | 16 °C – 43 °C |
| Operating Temperature Range (Heating) | -15 °C – 24 °C |
| Airflow (High Speed) | 550 m³/h |
| Noise Level (Indoor) | 28 – 42 dB(A) |
| Noise Level (Outdoor) | 55 dB(A) |
| Key Features | Remote Control, 24h Timer, Sleep Mode, Auto Restart, Turbo Mode |
| Filter Type | Washable Mesh Filter |
| Maintenance | Clean air filter every 2-4 weeks; coil cleaning annually |
| Safety Protections | Overheat protection, anti-frost, current overload |
| Refrigerant Lines (Pre-charged) | Max. 7.5 m (additional charge needed beyond) |
| Spare Parts Availability | Filters, remote control, fan motor, PCB board available |
| Warranty | 2 years (parts and labor) |
Frequently Asked Questions - DX12X426H-19 Daizuki
How do I clean the air filter on my Daizuki DX12X426H-19?
Open the front panel of the indoor unit, remove the mesh filter, wash it with warm water and mild detergent, let it dry completely, and reinstall. Clean every 2-4 weeks for optimal performance.
What does the 'Turbo' mode do?
Turbo mode forces the compressor and fan to run at maximum speed for faster cooling or heating. It automatically deactivates after 30 minutes or when the set temperature is reached.
Why is my air conditioner not cooling properly?
Check if the filter is dirty, the thermostat is set correctly, the outdoor unit is not blocked, and all windows/doors are closed. Also ensure the unit is not in fan-only mode.
How do I use the 24-hour timer?
Press the TIMER button on the remote. Use the +/- buttons to set the desired on/off time. The unit will automatically start/stop at the programmed time. Refer to the manual for detailed steps.
What refrigerant is used in the DX12X426H-19?
The unit uses R410A refrigerant. Always hire a certified technician for any refrigerant-related service.
Can I install the outdoor unit on a balcony?
Yes, but ensure proper ventilation – at least 30 cm clearance on all sides. The mounting bracket must be sturdy and vibration-free. Avoid direct sunlight if possible.
How do I switch between heating and cooling modes?
Press the MODE button on the remote repeatedly until the desired icon appears: sun for heating, snowflake for cooling, fan for fan-only, or drop for dehumidification.
What does error code 'E1' mean?
Error code E1 indicates a problem with the indoor unit's temperature sensor. Try resetting the unit by unplugging for 5 minutes. If persistent, contact a technician.
How long are the refrigerant lines pre-charged for?
The system comes pre-charged for up to 7.5 meters of refrigerant lines. If your installation requires longer lines, additional refrigerant must be added by a professional.
Is the remote control included?
Yes, the Daizuki DX12X426H-19 includes a full-function remote control with LCD display. Batteries (AAA) are also included.
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USER MANUAL DX12X426H-19 Daizuki
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Product information
Brand : Daizuki
Model : DX12X426H-19
Category : Air Conditioning