For example, the Derry S series of Medis wall-hung boiler is 20KW, that is to say, it is DERY S 28 CJZ on the specific model.
However, the requirements of the state for the type labeling of gas equipment are the same. According to the current national standards, the marking method is:
LIPB20-DS(DERY S 20 CJZ), the following figure is the explanation of the symbol:
Employee contract agreement 1
Party A: Name _ _ _ _ _ _ _ _ _ _ _ _
Party B: Name _ _ _ _ _ _ _ _
Employment form _ _ _ _ _ _ _ _ _
C