Gas boiler COLIBRI' YOUNG CA K

wall-mountedresidentialindoor

Wall-mounted condensation boilers for heating and quick domestic hot water production. RANGE RATED certified. Type C thermal unit (hermetically sealed heat generator condensation unit) with: - stainless steel boiler body; - forced air burner with total premixing with very low NOx and CO emissions. Total modulation from 20 to 100% both in heating and in domestic water mode. Sliding temperature operation (with added climate probe). Single electronic microprocessor control and ignition card; - NTC sensors for delivery and return temperature detection; - setting of desired heating temperature; - electronic ignition; - multi-level programming and parameter display; - antifreeze and anti-seizure function of circulator with post-circulation; - complete diagnostics of functions with shutdown indication. High head fume discharge electric fan for electronic speed control. The integrated hydraulic unit includes: - motorised three-way bypass valve to switch to domestic water mode; - stainless steel compact exchanger with braze welded plates for the production of DHW; - wire-net filter at domestic hot water inlet; - system manual filling device; - automatic bypass outside the exchanger. Low consumption high head ErP circulator, equipped with air separation chamber and automatic bleed valve. 8-litre membrane expansion tank. Siphon for draining condensation. Kit for conversion from methane gas to LPG (included). Fitting and system shut-off valve kits (upon request). Prearrangement for heating low/high double temperature adjustment.