Baxi LUNA DUO-TEC+ - SAFETY DEVICES AND OPERATIONAL FUNCTIONS; Boiler Safety Component Descriptions; Operational Control Functions Explained; PUMP PERFORMANCE SPECIFICATIONS

7219620.01 (1-04/15) 40
INSTALLER Section (en)
16. ADJUSTMENT AND SAFETY DEVICES

 Limit thermostat

circuit overheats.

 NTC fumes sensor

heating.

 Flame ionisation detector

these conditions, the boiler blocks.
 Hydraulic pressure switch

 Pump post-circulation

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)

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