Vaillant VAI 2-050 W User Manual (English)

Questions and Answers:

D
Derrick NorrisAug 6, 2025
Why is my Vaillant VAI 2-050 W not cooling enough?
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  jpettyAug 7, 2025
  There could be several reasons why your Vaillant Air Conditioner isn't cooling or heating sufficiently: * Check if doors or windows are open and close them. * Eliminate any nearby heat sources if possible. * Ensure the thermostat is set correctly for cooling or heating mode. * Remove any obstructions blocking the air inlet or outlet. * Wait a few moments to allow the ambient temperature to reach the set level. * Clean the air filter, which should be done every 15 days. * Use a curtain to block direct sunlight during cooling operation.
V
Victor VegaAug 11, 2025
What to do if my Vaillant Air Conditioner doesn't start?
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  emma09Aug 11, 2025
  If your Vaillant Air Conditioner isn't starting, check these potential causes: 1. Make sure the power plug is properly inserted and the unit is switched on ('I' position). 2. Verify that the power supply is connected. 3. Inspect the fuse and replace it if it's blown, using only the correct type for your model. Never use wire or other materials as a substitute, as this could cause a fire.
C
Cathy BishopAug 17, 2025
Why is my Vaillant VAI 2-050 W Air Conditioner making noise?
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  Tammy FarmerAug 17, 2025
  Some noises are normal during the operation of your Vaillant Air Conditioner. A gurgling sound, especially in the first few minutes, is typically the refrigerant flowing. A cracking noise can occur as the casing expands or shrinks due to temperature changes. However, if the noise is loud and seems to come from the airflow, the air filters may need cleaning.
R
Richard RussellAug 21, 2025
How to restart Vaillant VAI 2-050 W immediately?
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  James RodriguezAug 21, 2025
  Your Vaillant Air Conditioner has a built-in protection feature. After stopping the unit or after reinserting the electric plug, you must wait 3 minutes before restarting it. This protects the system.
G
gonzalezandrewAug 27, 2025
Why does my Vaillant VAI 2-050 W Air Conditioner smell?
- F
  Francisco VillanuevaAug 27, 2025
  Your Vaillant Air Conditioner might circulate odors from its surroundings, such as furniture or cigarette smoke. This is normal and doesn't require any action.
S
shelleysantiagoAug 31, 2025
Why does my Vaillant Air Conditioner blow mist?
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  Erin KellySep 1, 2025
  During COOL or DRY mode, your Vaillant Air Conditioner might release mist due to the rapid cooling of indoor air. This is normal and requires no action.

Vaillant VAI 2-050 W Specifications

General

Cooling power	5.0 kW
Air flow	850 m3/h
Energy Efficiency Ratio (EER)	3.21
Coefficient of Performance (COP)	3.61
Power Supply	220-240 V, 50 Hz
Max. Current	8.5 A
Sound Pressure Level (Indoor)	42 dB(A)
Refrigerant	R410A
Type	Wall Mounted
Pipe Connection (Liquid)	6.35 mm
Pipe Connection (Gas)	12.7 mm