Air to air packaged rooftop unit

Structure
Panels and frame are made from galvanized steel protected
with polyester powder painting to ensure total resistance to
atmospheric agents.
Direct expansion coils with condensate drain tray.
Hermetic compressor
High efficiency scroll compressor for the whole range, with
built-in thermal overload cut-out and crankcase heater,
mounted on rubber vibration dampers
Ripple type acoustic insulation for compressor section, and
thermal insulation for coil and fan section, low noise
Centrifugal fan
Forward curve centrifugal fans for air treatment section and
axial fans for condensation section
Front, side and underside air discharge of the treatment unit
High external pressure, long air supply distance
Electric panel
Electric panel consists of breakers and contactors for
compressors and fan motors, phase sequence relay and
other necessary protection devices for the main components
Easy operation line controller
Cooling/Heating/Auto
Error indication
Timing on/off
Optional
Economizer with fresh, return air dampers and fresh air
hood
Free cooling function for low ambient temperature
Low ambient control device for operation of outdoor units at
ambient temperatures from less than 20°C down to -10°C
BMS devices
T3 (Tropical climate)
Condenser coil guard
Roof curb
Metal / aluminum filter
Air pressure switch for indoor fan
High static condenser fan option with sealed + drain
condensing section
Optional water heating coil
Metal or plastic mesh on condenser coil
Optional supply / return air configurations
Upgraded evaporator fan motor drives
G4 filter, plate and bag filter