Haier AS42S2SN3FA - User Manual

Questions and Answers

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Sheri GrahamAug 11, 2025
Why is my Haier AS42S2SN3FA not cooling properly?
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  Judith ThompsonAug 11, 2025
  If your Haier Air Conditioner isn't cooling well, several factors could be the cause. First, check if the air filter is dirty and clean it, ideally every 15 days. Ensure there are no obstructions blocking the air inlet or outlet. Verify that the temperature is set correctly. Make sure all doors and windows are closed, and use curtains to block direct sunlight. Finally, consider if there are excessive heat sources or too many people in the room.
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James NorrisAug 17, 2025
What to do if my Haier Air Conditioner does not restart immediately?
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  Shawn TaylorAug 17, 2025
  When a Haier Air Conditioner is stopped, it won't restart immediately for about 3 minutes. This delay protects the system. Similarly, if the unit is unplugged and plugged back in, the protection circuit will activate for 3 minutes.
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Mackenzie SilvaAug 25, 2025
Why does my Haier AS42S2SN3FA smell?
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  Kimberly BaileyAug 25, 2025
  The Haier Air Conditioner might be circulating smells from the room's interior, such as odors from furniture, paint, or cigarettes.
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julia03Aug 29, 2025
Why is my Haier AS42S2SN3FA blowing mist?
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  Adam OrtegaAug 29, 2025
  During COOL or DRY operation, your Haier Air Conditioner's indoor unit may release mist due to the rapid cooling of the indoor air.
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James FinleySep 4, 2025
Why can't I change the fan speed in dry mode on my Haier AS42S2SN3FA Air Conditioner?
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  Joseph BlakeSep 4, 2025
  In DRY mode on your Haier Air Conditioner, the fan speed cannot be manually adjusted when the room temperature falls below the set temperature plus 2°C. The unit will then operate intermittently at LOW speed, regardless of the fan setting.

Haier AS42S2SN3FA Specifications

General

Refrigerant	R410A
Compressor Type	Rotary
Weight (Indoor Unit)	34 kg
Weight (Outdoor Unit)	70 kg
Type	Split
Power Supply	380-415V, 50Hz
Energy Efficiency Ratio (EER)	3.21
Indoor Noise Level	19 dB
Outdoor Noise Level	50 dB
Dimensions (Indoor Unit)	1280 x 660 x 235 mm
Dimensions (Outdoor Unit)	946 x 810 x 410 mm
Noise Level (Indoor)	19 dB
Noise Level (Outdoor)	50 dB
Operating Temperature Range (Heating)	-7°C to 24°C