Title: +038=370.001-IK009._03-Dynaciat LG 300 A Varmepumpe EPTEC - Teknisk datablad.pdf
Make sure the pressure of the water drawn in by the circulation pumps is greater than or equal to the required minimum NPSH, particularly if the water circuits are "open". - Test the water quality in accordance with the relevant technical requirements.Take the necessary precautions to protect the unit and hydraulic system from freezing temperatures (e.g. allow for the possibility of draining the unit). If glycol is added to prevent freezing, check its type and concentration before system start-up.■ Machine room ventilation According to the regulations in force in the place in which the machine is to be installed, the machine room must comply with certain ventilation rules for fresh air to ensure there is no risk of discomfort or hazard in the event of a refrigerant leak.Before making any final hydraulic connections, flush the pipes with clean water to remove any debris in the network.