Drazice TO-20 Bedienings- en installatiehandleiding - Pagina 5
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TYPE
UNIT HEAT LOSS [Wh/24h/l]
NOMINAL CAPACITY [l]
TIME OF CONTENT HEATING BY
50°C [hours]
ELECTRICITY CONSUMPTION FOR
HEATING OF THE CONTENTS FROM
LOAD PROFILE
DAILY ELECTRICITY CONSUMPTION
[kWh]
MIXED WATER V40 [l]
1.3 DESIGN AND GENERAL HEATER DIMENSIONS
The heater tank is made of a steel plate and tested by 0.9 MPa overpressure. The inner surface of the tank is
provided (except the stainless coil) with anticorrosion protection of enamelled glaze.
In the bottom part of the tank there are wells for placing the heating, regulation and safety element
of the water heater (heating element with right thread G 5/4", thermostat sensor and thermal fuses).
A thermometer is installed in the top part of the heater that transmits information on heating the volume of
service water. The heater tank is provided with a highly valuable polyurethane insulation which ensures
minimum heat losses.
Electric wiring is placed in the bottom part of the heater, under an easily removable guard of the
heater (by loosening two screws on that guard). Temperature of water can be set by a thermostat within the
range between 0°C and 74°C, using the symbols on the thermostat selector button Figure 1. Cold water inflow
is indicated with a blue ring, hot water outflow is indicated with a red ring. All steel parts are protected
against corrosion with paint and galvanic coating. To ensure anticorrosion protection, the heating element
head is provided with an anode rod that dissolves when the heater is in operation, and has to be replaced
after 3 years of operation (depending on the aggressiveness of water).
TO - 20
14
20
0.5
1
S
2.24
26.92
Table 1
Figure 1
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