How To Shut Down A Hvac Roof Top Unit

Featuring a capacity range from 3 to 150 tons our single packaged rooftop unit from johnson controls is easy to customize with fast installation low operating costs the flexibility of heating and cooling options and our smart equipment controls sec package.

How to shut down a hvac roof top unit. Because the units are located outdoors the unit exterior should be inspected at the beginning of each cooling and heating season. Duct smoke detectors are like area smoke detectors except they sample the air passing by inside the air ducts. Depending on where in the world the rtu is located and the ambient conditions it faces some units will be cooling only very occasionally they are heating only and some will. All of the rooftop units we sell are durable and provide long lasting and reliable performance energy efficient operation as well as an outstanding warranty.

The code requirements for emergency control of hvac systems is found in section 21 7 of the 2016 edition of nfpa 72 where it states that the provisions of section 21 7 shall apply to the basic method by which a fire alarm system interfaces with the heating ventilating and air conditioning hvac system. In this video we ll be looking at how rtu s work to learn hvac engineering. We ll be starting with the basics and looking at dif. Far more flexible in design today than they were just a generation prior rtus work a little differently than the standard home hvac system.

Roof top unit rtu or air handling unit ahu a roof top air handling unit provides heating ventilation and air conditioning hvac to the area below. Advanced high efficiency control has never been so convenient or easy. How do rooftop hvac systems work. When cooling is necessary rtus draw warm air from within the building cooling it with the help of a cooling coil and redistribute it to the space below.

Rtu rooftop units explained. Rooftop unit heating and cooling coils. For rtus over a certain size duct smoke detectors are associated with the rtus. After the filters we ll have some coils.

Before servicing any rooftop unit be sure to shut off all electrical power to the unit and tag the disconnect to avoid shock hazard or injury from rotating parts.