Product features:
Meet the heating demand of various places. Using environmental refrigerant R410a (optional R22), Flexible installation, Automatic heating mode, energy saving, produce hot water all the time; automatic heating, automatic defrosting.
Water flow protection, compressor discharge temperature production, system refrigerant high-low protection, compressor over current protection, power supply phase sequence protection.(3 phase model), antifreeze protection;
Work condition: Can be used in ambient temperature: -12°C~43°C for all day.