Demir Dokum HK 50 M Service Bulletin
                                                                                                                                                | |
Contents
| 
HK 50 M – HK 10M – HK 100S SERVICE BULLETIN7.8. Water Filling/Bleeding the Water Circuit/Filling Water into the System:It does not contain a filling tap to fill water into the system. Therefore, a valve connected to the returnline is used in the filling process.The system must be filled with water, by following the steps below:- Open the installation return and installation flow valves (1).- The air relief cock is loosened by turning it 2 to 3turns counterclockwise. (2)- Keep the valve open until the pressure on the valve mountedon the return line of the installation reaches 1.5 bar:- Close the valve until 1.5 bar value is read.Make sure that the automatic air relief cockmounted on the heating unit (exchanger) of the deviceis open.Emptying the Water in the Device:The steps below should be followed when draining thesystem water:- Switch off the device's electrical connection.- Switch off the installation flow and installation return valves (1).- Connect a plastic hose to the safety valve outlet (4) andopen the safety valve.Before opening the safety valve, protect theelectrical connections under the drain hose fromwater leaks.Service Administration 92 03/2010 |
Related manuals for Demir Dokum HK 100M
manualsdatabase
Your AI-powered manual search engine