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PELLET-BURNING BOILER ECOMPACT 150-190-250-290
EN -
Rev 1.1
The three-way motorised valve, controlled by the pellet boiler, manages the heating of the system or boiler, giving priority
to the latter.
Setting “Menu 01 – Select season” to SUMMER allows you to control the storage boiler only during the summer (with the
heating system off).
PLUMBING LAYOUT “4”
– Boiler connected to a centralised buffer controlled by a H2O sensor connected to the boiler.
Plumbing layout 4 involves the connection of the boiler to a centralised buffer controlled by a temperature sensor
connected to the appliance. The boiler therefore operates only at the set temperature of the centralised buffer (
“SET
BUFFER
”
can be set using keys 1 and 2). In this type of system there are no room thermostats or three-way valves
connected to the pellet boiler.
Filling the system for the first time
After the water connection of the appliance, fill the system as follows:
- Check the seal of all piping, the expansion vessel, and the circulation pump;
- Open the
“automatic air release valve”
on the appliance;
- Open the system load cock (mounted on the appliance) to load the system. Gradually allow the air to come out from
the appliance through the
“automatic air release valve”
; optimum working pressure is 1.5 bar (when the
appliance is operating);
- Vent all radiators and any other de-aeration systems to ensure that there are no air bubbles in the system.
After installation, check the seal of all plumbing joints for the first few days of operation.
The system and the water inside the boiler can be emptied by opening the
“boiler body and system drain cock”
situated
on the right side of the appliance.
In intensely cold periods it is good practice to leave the heating system running. In the event of a prolonged
absence, anti-freeze must be added to the heating water or the system must be completely emptied.
In a system subject to being emptied frequently, it is essential that filling is performed with water suitably treated to
remove hardness which can give rise to scaling.
Centralised
buffer
