Demir Dokum HK 50 M Service Bulletin
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Contents
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HK 50 M – HK 10M – HK 100S SERVICE BULLETIN2. WORK FLOW FOR START-UP OF THE DEVICE2.1 START-UP OPERATIONGas connection:- The device works with natural gas or LPG. Gas connections must be made in accordance with the relevantstandards.Following points must be observed before making connection:- The device to be connected and the gas type must be the same.- Connection pipes must be clean and not obstructed.- Gas connection pipes must be the same size or larger than the gas inlet (3/4"); the pressure dropduring this time must be less than the pressure drop between the gas line and the device.- After gas connections have been made, it must be checked that there are no leaks at the joints.- A suitable filter should be mounted on the gas inlet.- Make sure the gas valve or valves are open.- Use the correct gas for the unit (In LPG applications, LPG set must be installed in the device).- The system must be filled cold and set around 1.5 bars.- Expansion tank must be connected to the system by calculating that it is the proper size.- Electrical connections must be made by suitable and qualified personnel.Pump connectionsPumps must be connected to the system with suitable fasteners in order to be easily accessible inmanual emergence situations.- Before operating the pumps, they must be checked by turning the screwdriver afterremoving the front cover and the screw.- Protect electrical equipment from possible water spills before loosening and removing the pump'sscrew.Service Administration 17 03/2010 |
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