Hajdu AQ80 ECO SLIM electric hot water tank

Any operation other than those listed in the manual and which can be performed by the user must be carried out by a qualified specialist. The device must be de-energized before repair or maintenance. Water flowing out at temperatures above 50 °C can cause serious burns. The tank must be filled with water before switching on the heating. The device must not be connected to a hose! The use of insulating spacers is mandatory for connection to a red copper water supply network!
It is forbidden to put the device under a pressure higher than the operating pressure specified in the manual and is life-threatening! It is forbidden to install a water pipe fitting between the safety valve and the device and to drain water dripping in a way that is not visible! The pressure reducing valve and the safety valve may only be installed and operated in a frost-free environment. It is forbidden to operate the hot water tank without protective earthing.