Drazice OKC 125 NTR Manuel d'utilisation et d'installation - Page 5

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1.2.3 EMERGENCY POWER CONSUMPTION

If no heated water is taken from the tank, a small amount of heat leaks. This loss is

measured for a period of 24 hours at the temperature of 65°C in the appliance, and at 20°C

in its ambient area. The resulting value is expressed in [kWh/24h] and indicates the

amount of power needed to maintain the set temperature.

1.3 DESIGN AND GENERAL DIMENSIONS

The vessel is made of a steel plate and tested by 0.9 MPa overpressure. The inside of the receptacle is

enamelled. A flange is welded onto the lower bottom of the receptacle with a flange lid screwed onto it. A

sealing ring is inserted between the flange lid and the flange. Thermo wells for thermostat sensors and

thermometer installation are placed in the flange lid. Anode rod is mounted on M8 nut. The water

reservoir is insulated by means of polyurethane foam. Electric wiring is placed underneath the plastic

removable cover. The temperature of water can be set using the thermostat. Heat exchanger(s) is/are

welded onto the pressure tank.

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