Compact unit to be installed on the roof  Available both for electrical battery supply 12/24/48/72/110 Vdc Hydrostatic version available Continuous air flow control to improve quality of regulation, noise parameters and decrease precooling and preheating time Anti-idling function Split version available with separate compressor or notocondenser unit Chilled water version (with motocondenser unit) available Separate (as option) electrical board and/or compressor to be connected to the thermal motor Customized according to special standards for Fire & smoke and shock & vibration