Drazice OKCE 160 NTR Betriebs- und Installationshandbuch - Seite 4
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1 PRODUCT TECHNICAL SPECIFICATION
1.1 FUNCTION DESCRIPTION
Tank type water heater (the heater hereinafter) is designed for the accumulation heating of service water
by electric energy. Water is heated by an electric element in an enamelled thermally insulated tank
at the time defined by the power supplier. The element is at the time of heating controlled by a thermostat
the temperature of which can be adjusted continuously (within the range between 5 °C and 74 °C). Once
the selected temperature is reached, heating interrupts automatically. Water accumulated in the tank
is then used for consumption. The tank keeps constant pressure of water from the water main.
If the combination faucet hot water valve is opened, water from the water supply conduit pressed out
by cold water pressure flows out of the heater. Hot water flows out through the top part, and water flowing
in remains in the bottom part of the heater. Pressure principle allows hot water withdrawal at any place
from the heater.
1.2 ADVICE FOR CUSTOMERS
1.2.1 HOT WATER CONSUMPTION
Consumption of hot water in households depends on the number of people, amount of sanitary
equipment, length, diameter and insulation of piping in the flat, or on individual habits of users.
The cheapest option of water heating comes at the time when the electricity rate is reduced.
Find out in what time intervals your electricity supplier provides reduced tariff and, depending
on that information, select relevant volume and power input of the heater so that your hot
water consumption covered the needs of your household.
1.2.2 ENERGY SAVING
The heater is insulated with quality polyurethane Freon free foam. Set the temperature
of the heater's thermostat to that level only that you need to run your home. Thus you will
reduce electricity consumption, as well as the amount of lime sediments on the walls
of the receptacle and on the electric body.
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 heater, and at 20°C in its ambient area.
The resulting value is expressed in units [kWh/24h] and indicates the amount of power needed
to maintain the set temperature.
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