Air-cooling presantation
A complete HVAC-unit with cooling unit, heating unit, and a fan that can 
delivered the crane cabin fresh air. The HVAC-unit has a easy mounting, and 
can be installed on the crane cabin roof. A supply/exhaust unit will be 
installed inside the crane cabin's roof, and the supplied air will be blow 
through jets in front of the supply unit. In back of the supply/exhaust unit 
there are a exhaust grills installed. The HVAC -unit will be controlled of a 
control-unit with temperature controller, switch of/on, and a frequency converter
to control the fan speed.
HVAC-unit installed on a crane cabin roof HVAC-unit installed on a crane cabin roof
Supply/exhaust unit installed in roof Supply/exhaust unit installed in roof