Safety air handling unit, ahu hvac
An Air Handling Unit (AHU) is used to re-condition and circulate air as part of a heating, ventilating and air-conditioning system. The basic function of the Air Handling Unit is to take in outside air, re-condition it and supply it as fresh air to a building.
Air handling unit safety devices, or “limit” devices as they are alternately referred to, are devices that serve to protect a built-up air handling unit from unsafe operation, by putting a limit on the variable that they are sensing, and “tripping” when that limit has been exceeded, thereby halting the normal operation of the air handling unit. A typical VAV air handling unit may be equipped with some or all of the following safety devices (and perhaps others as well):
Low limit temperature controller
High limit discharge static pressure controller
Low limit suction static pressure controller
Duct smoke detector(s)
Fan vibration switch(es)
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Air Conditioning Unit is to unitize various units to make the air supplied indoor appropriate for the intended use. It ventilates the indoor, mixes the indoor air with fresh outdoor air, controls temperature for cooling and heating and controls humidity.
Daesung Techwin’s air conditioning unit is the key equipment for air conditioning facility.
It controls the indoor temperature, humidity and cleanness according to the environmental conditions. It is manufactured for industries, general air-conditioning and health.
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