CONSTRUCTION FEATURES
• Compressor: scroll type, rotary, hermetic complete with thermal protection and casing heater.
• 4 capacity steps with high efficiency at partial loads.
• Main and secondary heat exchangers: crossed flow stainless steel plate exchangers, complete with antifreeze heater, closed cell polyurethane foam rubber insulation and water flow differential pressure switch.
• Air side heat exchanger: finned coil with copper pipes and aluminium fins.
• Fan: external rotor axial type electric fans equipped with internal thermal protection and accident protection grilles. The electric fans are fitted with a proportional electronic device for continuous regulation of the rotation speed.
• Control: microprocessor electronic control with Adaptive Function Plus logic.
• Structure: made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
– compressor and fan circuit breaker switches;
– electronic expansion valve;
– display of cooling circuit high/low pressure;
– master/slave control up to 4 units in parallel;
– clock board;
– control of Variable Primary Flow (VPF_R).
VERSIONS
• T – High efficiency version.
• Q – Super silenced version complete with compressor technical compartment soundproofing and reduced speed fans.
MODELS
• TXAETY: EXPsystems unit.
• TXAEQY: super silenced EXPsystems unit.
SEPARATELY SUPPLIED ACCESSORIES
• Remote keypad with display.
• Rhoss supervisors for unit monitoring and remote management.
• Rhoss sequencer for integrated management of multiple chillers.