Demir Dokum HK 50 M Service Bulletin
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HK 50 M – HK 10M – HK 100S SERVICE BULLETIN3. Natural waste is also possible without using a fan when the upper vent hole is open to the atmosphere inboiler rooms with forced ventilation. However, it is absolutely not possible to use in the application wherethe lower vent hole is natural and the upper vent hole is with fan, since it creates a negative pressure in thevent hole application. Upper ventilation alone cannot be a forced ventilation.NATURAL OR FORCED VENTILATION VENT HOLESECTIONS AND REQUIRED CLEAN AIR QUANTITYTotal nominalVent holedimensions(at least)In case of usingforced ventilationthermalpower kW*Lowerventhole,cross-sectional areacm2*Upperventhole,cross-sectionalarea cm2At least fresh airamount m3/hour*It is accepted that the vent holes are circular or withrectangular cross-section and grill where the long edgeis not more than 1.5 times of the short edge.The electrical protection rules must be observed in the room where thedevice is located. The devices must be mounted at least 500 mm abovethe base.Installation should be done with spaces where service personnel can easily accessthe device. The device is designed for indoor use. Cautions:The place where the appliance is to be installed must have sufficient vent holes for ventilation.(The vent hole measurements are given in the operating manual and above.)Sufficient gaps must be left to the device during installation in case of emergency. Electricalconnection must be made in accordance with the electrical protection class of the device.. Boilers can never be installed outside the room, fully open to the atmosphere, semi open (canopyhood), etc.7.3. Adaptation to Previous DevicesIf the device is to be used within the old installation, the following points should be observed.- The unit should be equipped with a drainage through which the water resulting from the condensationwithin the installation can be connected to the drainage.- The electrical installation must comply with the relevant standards. If not, it should be regulated byauthorized persons.- LPG transmission lines and components must be manufactured and installed in accordance with therelevant standards.- The expansion tank should compensate the amount of water expansion in the system.- Pump flow rates and safety valves must be of the system requirements.- The characteristics of the water to be used in the system should comply with the table below.Service Administration 78 03/201050 350 200 80100 500 300 160150 600 400 240200 750 500 320250 900 600 400300 1000 700 480350 1150 800 560400 1300 900 640 |
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