TI UNIT screw chillers are manufactured in two types of air cooled and water cooled in capacities from 50 to 560 T.R. in one to four circuited configurations. Evaporators and condenser Chillers with plate type heat exchangers are available upon request. For further related technical information, please send your inquiries to TI UNIT mfg. group. TI UNIT screw chillers can be designed to operate with R-22 and R-134a refrigerants. Bitzer screw compressors suitable for use with R-134a refrigerant are available in two versions (m.vr.1 & m.vr.2) which can be used in the chillers as required. Safety controls installed on all units include high and low pressure cut-outs, compressor oil level control safety cut-out, water anti freeze thermostat, water flow switch and evaporator entering water thermostat and compressor operation time logger. The above mentioned are all chosen from the most recognized controls manufactures in the air conditioning industry. Compressors are by Bitzer which happens to be one of the best and most reliable brands. Raw materials such as copper tubes, fittings and valves are supplied by well-respected manufactures. Electrical safety measures such as three phase controller and circuit breakers, are available on all units. A fault detection system for the whole unit is available upon request. Microprocessor based PLC controller is also available as needed. TI UNIT screw chillers are also available upon request for industrial applications in both Air Cooled and Water Cooled types; Suitable accessories make the chillers operable in all seasons according to the application requirements without any problems.