TDR7 – Package System
Features & Details
SIGMA T-Series range of air conditioning units have been developed to air condition the cabins of heavy-duty, off-road mining equipment. They have been designed to suit the most severe application of high vibration, shock loads and high ambients. The units are constructed to Mining Standards featuring ease of service and using the highest quality components.
Features include brushless DC motors, fresh air pressurisation, return air filter, heater and electronic cabin and coil temperature control. SIGMA T-Series is available in either 12VDC or 24VDC configurations. Options include hydraulic drive compressor or off-engine drive compressor kits, along with special supply and return air plenums to suit cab application.
PRODUCT DESCRIPTION
Sigma TDR7 is a 7KW-evaporator and condenser rooftop package system suitable for large mining earthmoving equipment such as dozers, excavators, graders, front-end loaders. The system is easily installed onto the roof of the cabin, utilizing a heavy-duty neoprene rubber to provide a reliable and water proof sealing interface with the cabin surface. All access to refrigeration componentry is through the top access covers. Access to return air filter and control switches is fromwithin the cabin.

