Heat pump regulator for water heater has safety controls to maintain temperature within set range of given temperature

摘要

The heat pump regulator (8) is adjustable for the hot water temperature and the heater has safety controls (5-7) to maintain the temperature within a set range. The regulator is set to a given temperature and of the criteria is exceeded, returns to this. The criteria is a single or multiple characteristic of the safety controls in a time limit, or a non-regular reduced temperature stage against time.