6
BOILER SPECIFICATION
Technical data
TURBOmax Pro 28/2 E
( VUW GB 282/2-3) Units
CH heat output range (80/60 °C) 10.4 - 28
(35 500 - 95 500) kW (Btu/h)
DHW heat output 28 (95 500) kW (Btu/h)
DHW flow rate ∆T =35 °C rise 11.5 l/min
DHW flow rate at factory set temperature rise (∆T 42 °C) 9.5 l/min
Mains water pressure required for max. flow rate 0.5 bar
Minimum water flow rate 1.5 l/min
Mains water pressure required for min. flow rate 0.15 bar
Maximum inlet water pressure 10 bar
Inlet gas working pressure required (natural gas) 20 mbar
Gas burner pressure ignition rate 1.8 mbar
Gas rate max. (DHW) 3.3 m3/h
Weight 45 kg
Primary water content 2.0 l
Maximum CH heat input (net) 31.1 (106 200) kW (Btu/h)
Gas supply (G20) Gross CV (s.t.) 37.8 MJ/m3
Gas burner pressure max. rate 10.8 mbar
CH temperature flow range 35 - 82 °C
Minimum CH water flow (for 20 °C rise) 1203 l/h
Pump pressure available 0.25 (25) bar (kPa)
Expansion vessel pre-charge pressure 0.75 bar
Maximum CH system pressure 3 bar
Electrical supply 230/50 V~/Hz-
External fuse 3 A
Power input 150 W
Maximum DHW heat input (net) 31.1 (106 200) kW (Btu/h)
Case height 800 mm
Case width 440 mm
Case depth 338 mm
