Frequently Asked Questions

	General
	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 is a heat pump?
	What are allergens?
	What is catechin?

	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.