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INSTALLER Section (en)
16. ADJUSTMENT AND SAFETY DEVICES
Limit thermostat
circuit overheats.
It is forbidden to disable this safety device
NTC fumes sensor
heating.
It is forbidden to disable this safety device
Flame ionisation detector
these conditions, the boiler blocks.
Hydraulic pressure switch
Pump post-circulation
The electronically-controlled pump post-circulation function lasts 3 minutes and is enabled, in the heating mode, if the ambient
thermostat causes the main burner to go out.
Antifreeze device
Anti-block pump function
operate for 10 seconds.
Three-way valve anti-blockage function
Hydraulic safety valve (heating circuit)
This device is set to 3 bar and is used for the heating circuit. Connect the safety valve to a drain trap. Do not use it to drain the
heating circuit.
Heating pump pre-circulation
In case of a heat demand in the heating mode, the appliance can pre-circulate the pump before the burner is ignited. This pre-
17. PUMP CAPACITY/ HEAD
KEY TO PUMP CHARTS - "SECTION" E
Q WATER FLOW RATE MIN Minimum speed of modulation
H HEAD MAX Maximum speed of modulation
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