... / 15φ58x1800 / 20φ58x1800 / 25φ58x1800 / 30Solar panel m222.545Exhausting side max. working pressureMpa2.62.62.62.6Air ... weightkg74768285The collector area and regenerative volumes for the solar heat pump is much smaller than conventional systems, and ... 7~43 environmental condtions, because of solar power is everywhere, inexhaustible, the solar & heat pump has wide range of applications, ...