Trane Air Conditioning Co., Ltd. has launched a new air-cooled heat pump model, the RTXA+, in response to growing market demand. This innovative unit features an advanced heat transfer design that significantly improves performance compared to previous models. The RTXA+ offers higher energy efficiency, more reliable operation, a more compact structure, and requires less space for heat dissipation.
Under standard national conditions, the RTXA+ achieves a COP (Coefficient of Performance) of up to 3.0. It operates efficiently even in extreme ambient temperatures—above 40°C for cooling and below -10°C for heating. The unit incorporates advanced noise reduction technology, ensuring quieter operation. Its defrosting process is both stable and energy-efficient, enhancing overall system performance.
The RTXA+ comes equipped with the CH530 controller, featuring a Chinese touch screen interface. It supports adaptive control, feedforward control, remote operation, and group control functions. Additionally, it can communicate directly with third-party systems using the LonTalk protocol, offering greater flexibility and integration options.
**High Reliability**
The twin-screw compressor is designed with fewer moving parts and uses 5-stage aerospace-grade bearings, ensuring long-term durability. A direct-drive low-speed motor with suction cooling enhances motor lifespan. The unit is also resistant to liquid slugging, reducing maintenance needs. An electronic expansion valve regulates refrigerant flow using adaptive control logic, ensuring stable performance under varying load and pressure conditions.
**High Efficiency and Energy Saving**
The CHHN screw compressor is manufactured with precision tools, resulting in tight clearances and high efficiency. The unit uses a stepless slide valve adjustment, increasing partial load efficiency by 15–35% compared to traditional stepwise adjustment. A dual-circuit design further boosts efficiency during part-load operation. The electronic expansion valve ensures precise refrigerant flow, improving partial load performance. The W-type air-cooled condenser maximizes heat exchange efficiency.
**Advanced Control System**
The CH530 controller provides real-time monitoring and control, including feedforward control for more stable cold water outlet temperatures and adaptive control for reliable operation. It supports communication with Tracer Summit or third-party systems via LonTalk. The remote operation function allows users to start/stop the unit, switch between heating and cooling modes, and adjust water temperature settings from a distance. Comprehensive parameter display and fault diagnosis features make maintenance easier and more efficient.
**Easy Installation**
The RTXA+ is designed as a fully integrated unit, making installation flexible and straightforward. It can be mounted directly on a rooftop or outdoor space without requiring a dedicated machine room, saving valuable installation space. The unit arrives fully charged with refrigerant and lubricating oil, requiring only cold water piping and power connections during field installation.
With its combination of reliability, efficiency, smart control, and user-friendly design, the RTXA+ sets a new standard in air-cooled heat pump technology.
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