ECOUNIT F
24
Cod. 30902340 - Rev. 03 - 09/2015
EN
ELECTRICAL HEATING ELEMENT (1500W - 230V)
The heating element can be used as an auxiliary DHW heating system or as an antifreeze system. In the latter case, set the
heating element adjustment knob (“
A
” - “fig. 1”) to min. (15°). To use it for heating water, the thermostat knob “
A
” adjusts the
heating temperature (set point) of the heating element, adjustable between 15 and 75 °C.
The electrical system must be installed by a qualified technician according to the local regulations and in accordance with the
applicable regulations in the building.
The system heating element must not be activated with the hot water tank empty! In this case the heating element
warranty is voided.
For the heating element electrical connection (see “fig. 1”):
- Remove the cover "
D
" by removing the screws.
- For the connection of the hot water tank heating element to the power supply, a cable “
B
” 3 x 2.5 mm2 (for 1.5 kW heating
element) is required.
- Run the end of the cable from the cable gland to the electrical part.
- Connect the wires to the terminals of the thermostat “
C
”. Reassemble everything.
Make sure the thermostat is properly applied to the heating element.
The thermostat temperature adjustment range is from 15°C to 75°C. The thermostat has a safety device which intervenes if
the temperature exceeds 93°C.
fig. 1
3. Operating instructions
STARTUP
After installation, fill the hot water tank with water for DHW use and for heating, proceeding as follows:
• Carry out filling of water for heating and vent the system
• Carry out filling of water for DHW use by means of the cold water inlet and vent by opening a hot water drawing point
•
Install the thermostatic device in the special place on the hot water tank
•
Start the boiler
•
Emptying the unit
• To carry out emptying, close the cock for filling from the water system, connect a hose to the drain union and place the other
end in an area provided with an external drain
•
Open a drawing point and let the water run, then open the drain union and complete the emptying.
