Trane has launched an air-to-air rooftop heat pump that produces 14.5 to 37.4 kW of heat and 16.5 to 38.4 kW of cooling. It is claimed that the new device can be adapted to cold weather applications by adding an auxiliary heat source such as an electric heater or a hot water coil.
Irish heating manufacturer Trane has launched an air-to-air heat pump for commercial spaces such as supermarkets, shopping malls, cinemas and restaurants.
“Airfinity rooftop air-to-air units combine heating, cooling and ventilation for ease of installation and operation,” the Irish manufacturer says on its website. “They are suitable for a wide range of applications, especially where low initial cost and ease of installation are important.”
According to Trane, the new Airfinity S range is designed for direct duct connection with or without a roof curb.
The unit is available in five different sizes with heating outputs of 14.5 kW, 18.0 kW, 22.7 kW, 30.9 kW and 37.4 kW and cooling outputs of 16.5 kW, 20.2 kW, 24.6 kW , 32.9 kW and 38.4 kW. Their coefficients of performance (COP) are 3.82, 3.75, 3.72, 3.68 and 3.60, respectively.
The smallest heat pump measures 1310mm x 2062mm x 1170mm and weighs 393kg. The largest of them measures 1723mm x 2655mm x 1832mm and weighs 697kg.
It is claimed that the new device can be adapted to cold weather applications by adding an auxiliary heat source such as an electric heater or a hot water coil. “The Trane CH536 smart unit controller automatically manages multiple heat sources based on climate conditions and building load,” Trane said.
It uses a scroll compressor that works in a circular motion rather than a piston compressor with a lift and a drop. According to Trane, these units are designed to adjust fan speed based on building load and ventilation requirements. “This not only improves passenger comfort by preventing cold drafts, but also reduces energy consumption by 60% over the life of the device,” the company added.
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