4
Heating system
The boiler’s standard equipment includes a 4-way mixing valve which is connected to the
flange on top of the boiler.
The pipe entering the radiator network is connected to the left (seen from the front) and the
return pipe to the right side of the valve.
The temperature of the outflow water that is needed in the network varies considerably. Thus
Circulating water pump
care of.
The boiler should be connected to an energy accumulator (with volume 250-1500 litres) if
coupling which ensures that the returning water temperature does not fall below 60 °C.
Electricity connection
The boiler’s electricity connections must only be performed by a qualified electrician.
The connections are made according to the following scheme.
S2
1
c
c
N L1 1 2 3
IMIT 2
TG 1
THERMOSTAT
S1
FEED FROM BURNER SWITC
MAX.240V/10A
CUT-OFF
THERMOSTAT
BURNER
BURNER
BURNER
X1
4mm°
***6kW 30A 3x10mm°
**4kW 20A 3x6mm°
* 2kW 10A 3x1,5mm°
11/R
S3
21/S
31/T
12/U
22/V
32/W
H
X2
N L1
6mm°
HEATING ELEMENT
(SPL 3x2kW 230V)
6mm°
THERMOSTAT
FEED 230-240V 1~ FROM MAINSWITCH OF HEATING ELEMENT
Signal lamp
CUT-OFF
THERMOSTAT
2,5mm°
10mm°
2
00
0W
2
00
0W
2
00
0W
*
*
*
Central heating mixing valve
we recommend adding a motorised controller to the valve.
The best location for the circulating water pump is the radiator network flow pipe. To ensure
the pump’s good functioning, removal of the accumulated air from the network should be taken
Energy accumulator (Thermal storage tank)
firewood burning is frequent. A reliable loading valve (e.g. Termovar) should be used in the
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