Central air conditioner does not start immediately after shutdown

Central air conditioning is used by the air conditioner to switch on and off control, air conditioning normal operation after turning on the air conditioner, the air conditioner will be able to operate normally in accordance with the selected mode of operation. Air conditioner for whatever reason and shut down, due to the general air conditioner are equipped with a time delay to stop (delay time of about 3min), then this type of air conditioner can be started immediately after the shutdown, but after 3min to run. However, for air conditioners without a time delay, can not be turned on immediately after the shutdown, it must be about 3min, to reopen the air conditioner, otherwise it may cause damage to the equipment.