HPdens

HDS 15 description:

4-STAR certified efficiency (92/42/CEE)

Efficiency at 30% partial load or intermediate: 108%

Weighted emissions: CO = 8 p.p.m./NOx = 15 p.p.m.

Metal fibre premix burner

Patented AISI 316 L stainless steel water tube heat exchangers with Radial Shared Circulation (R.S.C.)

Turndown ratio 1:3,2

Total flame modulation

Electronic control and HYDROPLUS system

IP X5D degree of electrical protection

Antifreeze device

Sealed chamber and forced draught

Natural gas and LP gas operating

Patented COSMOMIX air/gas ratio and combustion control

Low water pressure protection

Flue back preventer

Visualization through display of outdoor, boiler, sanitary circuit temperatures

Auto diagnostic of all components and functions

PC serial connection for diagnostic

Automatic pump unlock system

From 1 to 3 heating circuits

Outdoor temperature sensor

150 liters storage tank

Heating control according to the outdoor temperature

Natural gas to LP gas conversion kit

Range Rated certified heating modulation

Integrated air to water heat pump, 2,58 kW thermal power

COP 4,37 with air DB7/WB6 °C, water 35/30 °C

Hot gas defrosting