Technical features and dimensions
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2. Technical features and dimensions
2.1 Technical features
The boiler is equipped with an integrated gas atmospheric burner. The following models are available:
•
CTFS
sealed chamber, forced draught boiler with electronic ignition for heating and instantaneous DHW supply.
•
CTN
open chamber, natural draught boiler with electronic ignition for heating and instantaneous DHW supply.
The following power rates are available:
•
CTFS 13 AF
: with heat input 12.5 kW
•
CTN 13 AF
: with heat input 12.0 kW
All models are equipped with electronic ignition and ionisation flame sensing device.
The boilers meet local applicable Directives enforced in the country of destination, which are stated on their rating plate.
Installation in any other country may be a source of danger for people, animals and property.
The key technical features of the boilers are listed below.
2.1.1 Manufacturing characteristics
•
IPX4D electrically protected control panel.
• Integrated, modulating electronic safety board.
•
Electronic ignition and ionisation flame detection device.
• Stainless steel, atmospheric burner that can run on several gases.
•
Bi-thermal, high performance, copper heat exchanger.
• Twin shutter modulating gas valve.
•
CH circulation pump with built-in air purging device.
• Safety pressure switch, preventing low water pressure operation.
•
DHW priority flow switch.
• Flue gas pressure switch (CTFS).
• Flue gas thermostat (CTN).
•
7 litre expansion vessel.
•
System filler cock.
• System water discharge tap.
•
Heating flow water temperature probes.
• CH return water temperature probes.
• Domestic hot water temperature probe.
•
10 litre/min DHW flow-limiting device.
• Limit thermostat.
2.1.2 User interface
•
Liquid crystal LCD interface showing the boiler operating status: OFF, SUMMER, WINTER and CH ONLY.
•
CH water temperature setting buttons: 35-78 °C.
•
DHW water temperature setting buttons: 35-50 °C.
• System water pressure gauge.
