Package air conditioner is a bigger version of the wall mounted, cassette, under-celling air conditioner. However, package air conditioner it has a higher cooling or heating capacity and is usually able to cool an entire house or a commercial building. The nominal capacities ranges from 3 tonne to 15 tonne.
The conditioned air are transferred to direct the space to be conditioned or through ducting which is usually hidden in the ceiling and wall of the building. The unit is placed outside the house, or in a building or even on top of a roof.
Protection devices such as High/Low pressure switch, overload relays for all motors, water flow and air flow switches are included in the units. The compressor have winding protection thermostat built into the winding to disconnect the circuit in the event of overheating.
Package Air Conditioner Condenser Type
The condenser used in a package air conditioner can be air-cooled or water-cooled type. Air-cooled type is usually for capacity below 5 tonne and water-cooled for capacity above 5 tonne. The capacity of air-cooled type is lower than that of water-cooled condenser using the same compressor.
