double pipe heat exchanger for heat pump air conditioner
Warer/ground source heat pump is device for making heat/cold air or heat/cold water. Geothermal heat pump's heat/cold source come from water of buried pipe, well, lake, river,sea, sanitary sewage, industrial sewage etc.
Note：Water can be salt water, Ethylene glycol aqueous solution.
Cold/heat air unit:heat exchanging devices at user side are coiled pipes with air suppling and adjusting system;
Heat/cold water unit：heat exchanging devices at user side are heat exchanger of water-refrigeration.
Water loop unit：using water in public pipe as heat/cold source.
Underground water unit：using underground water as heat/cold source.
Buried pipe unit：Using water circularly flow in the buried pipe as heat/cold source.
Surface water unit：using water in lake, river, sea, sanity sewage, industrial waste water.
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