RAS-10CH8B - Air-conditioner HITACHI - Free user manual and instructions
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| Product Type | Split Air Conditioner (Wall Mounted) |
| Model | RAS-10CH8B |
| Brand | Hitachi |
| Cooling Capacity (BTU/h) | 10,000 |
| Cooling Capacity (kW) | 2.93 |
| Energy Efficiency Ratio (EER) | 11.5 |
| Power Supply | 220-240V ~ 50Hz, 1 Phase |
| Power Consumption (Cooling) | 870 W |
| Refrigerant Type | R32 |
| Indoor Unit Dimensions (W x H x D) | 790 x 280 x 220 mm |
| Outdoor Unit Dimensions (W x H x D) | 660 x 530 x 240 mm |
| Indoor Unit Weight | 8.5 kg |
| Outdoor Unit Weight | 20.0 kg |
| Airflow Rate (High) | 600 m³/h |
| Noise Level Indoor (Low/High) | 21 / 39 dB(A) |
| Noise Level Outdoor | 48 dB(A) |
| Operating Temperature Range (Cooling) | 16°C - 32°C |
| Timer Function | 24-hour On/Off Timer |
| Filter Type | Washable Anti-Allergy Filter |
| Self-Cleaning Function | Yes (Auto Dry/Drain) |
| Remote Control Included | Yes (Infrared) |
| Sleep Mode | Yes |
| Recommended Room Size | Up to 25 m² |
| Installation Type | Professional Installation Required |
Frequently Asked Questions - RAS-10CH8B HITACHI
How often should I clean the air filter?
Clean the washable filter every 2 weeks during heavy use, or once a month for normal use. Remove the front panel, take out the filter, vacuum or wash with mild soap, and let it dry completely before reinstalling.
What is the recommended temperature setting for cooling?
For energy efficiency, set the thermostat between 24°C and 26°C. Each degree lower increases power consumption by about 6%. Use the timer and sleep mode to save more.
Can I use an extension cord for the air conditioner?
No. The unit must be plugged directly into a dedicated wall outlet with the correct voltage. Extension cords can overheat and cause fire hazards. If the cord is too short, have a licensed electrician relocate the outlet.
Why does the outdoor unit stop sometimes while cooling?
The compressor cycles on and off to maintain the set temperature. This is normal. It may also pause for defrost cycles in humid conditions or to protect the compressor. If it stops frequently, check for dirty filters or blocked airflow.
How do I use the 24-hour timer?
Press the TIMER button on the remote. Use ▲/▼ to set the desired hour for ON or OFF. The unit will automatically start/stop at that time. Each press increases the timer by 1 hour, up to 24 hours.
What does the self-cleaning function do?
The self-cleaning mode dries the indoor unit after cooling to prevent mold and bacteria growth. Activate it by pressing the Self-Clean button (if available) or by running the fan only for 1-2 hours after use.
Is this air conditioner inverter type?
The RAS-10CH8B is a non-inverter (fixed-speed) model. It runs at full capacity until the set temperature is reached, then cycles off. Inverter models run continuously at variable speeds for better efficiency and comfort.
What should I do if the air conditioner leaks water indoors?
First, check if the drain hose is kinked or blocked. Also ensure the unit is properly leveled. Clean the drain pan and filter. If the problem persists, contact a professional technician.
Can I install the outdoor unit on a balcony?
Yes, but ensure proper ventilation and structural support. The balcony must allow free airflow around the unit (no enclosures). Keep a minimum of 10 cm clearance from walls and remember that vibration noise may be transmitted.
How long does the refrigerant last?
In a properly sealed system, refrigerant never runs out. If cooling performance drops, there may be a leak. Only a certified HVAC technician should check and refill refrigerant. The unit uses R32, which is environmentally friendlier than R410A.
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