10
expansion tank
expansion tank
(optional)
Hybrid electric
heating
The heating system can be equipped with an electrical
heater.
After activating the switch „electrical heater” the burner
operation will be paused. All control and protection set-
tings of the system will remain the same.
hybrid-heating with electric power
(optional)
Item No.
electric power 2 kW
036385
electric power 3 kW
036386
cover cap
036388
How electric heating works
Hybrid-Ablauf
1.
The 230V power supply for the electric heater must be supplied with power.
2.
For each switch, 1kW or 2kW (see label) are activated together, the corresponding switch lights up.
The burner is blocked.
3.
The electric heating is controlled via the heat request signal from the thermostat.
The indicator LEDs above the switch indicate whether the electric cartridge is currently heating.
230 V
Hybridsocket
230 V
heating system socket
NOTICE:
As long as the electric heater is switched on, the burner remains blocked, even if the power supply to the electric
heater is interrupted. If the electric heater is switched on, the boiler thermostat indicates a heat request, but the
LED indicator does not light up, the power supply to the electric heater is interrupted.
fuse 16A
fuse 6A
MH
Summary of Contents for 077480
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