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.
Rtu rooftop units explained.
These coils will be used to cool or heat the air by adding or removing thermal energy.
For rtus over a certain size duct smoke detectors are associated with the rtus.
We sell rooftop hvac units for your commercial space at wholesale prices.
Because the units are located outdoors the unit exterior should be inspected at the beginning of each cooling and heating season.
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.
In this video we ll be looking at how rtu s work to learn hvac engineering.
Advanced high efficiency control has never been so convenient or easy.
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.
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.
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.
After the filters we ll have some coils.
We ll be starting with the basics and looking at dif.
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.
Rooftop unit heating and cooling coils.
How do rooftop hvac systems work.
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.