FAQs
General
- What is VRV?
- What is IManager?
- What is a Heat Pump?
- What is meant by the terms COP and EER?
- Can air conditioning make you ill?
- Cold draughts?
- The refrigerant cycle: what is it?
- What about legionella?
- What are the influences on the capacity need?
- What is heat transfer?
- What is inverter technology?
- What is sound pressure/sound power?
- What is the difference between sensible and latent heat?
- What are allergens?
- What is catechin?
- What are QR Codes?
- What is air purification?
- Why the need for a yearly Maintenance Service?
- What is VRV or VRF?
- What is Energy Labeling?
Unit operation questions
- After the power switch is turned on, the air outlet flaps operate
- In the microcomputer-controlled dry mode, the indoor unit fan operates at L for one minute when the outdoor unit (compressor) is not operating.
- The air conditioner does not blow air immediately after it starts operation in the heating mode.
- The air conditioner does not start operation immediately after it is turned on.
- The air conditioner produces a water flowing sound.
- The air conditioner produces an air releasing sound.
- The air conditioner stops operation (Operation lamp remains lit).
- The air conditioning produces a crackling sound.
- The air flow suddenly becomes stronger during a heating operation.
- The air outlet flaps do not operate at the same time in the master and slave indoor units of a simultaneous operation multi-unit.
- The air outlet flaps sometimes operate during a cooling operation.
- The drain pump continues operating after a cooling operation stops.
- The indoor unit fan operates after a heating operation stops (in an air conditioner equipped with a heater).
- The outdoor unit discharges water or steam.
- When the air outlet swing function is set to ON, the flaps remain at a horizontal position.
First Aid
- The air conditioner does not cool or warm the room.
- The air conditioner does not operate (Operation lamp is not lit).
- The air conditioner operates abnormally.
- The air conditioner stops in the middle of operation (ON timer in operation).
- The air conditioner stops operating (Operation lamp blinks).
- The amount of drained water is large (as compared to the amount discharged in the previous year or the day before).
- The indoor unit produces a mist.
- The remote control thermostat cannot be set.
- When the operation mode is changed, the air outlet flap position also changes.
- How often should I have my equipment serviced?
- Why should I have the equipment serviced?
- My system has a warranty - Why do I need a maintenance contract?