Technical data

3 Boiler Specification
Instructions for Installation and Servicing turboMAX plus and thermoCOMPACT R16
turboMAX plus turboMAX plus turboMAX plus
824/2 E 828/2 E 837 E Units
(VUW GB 242/2-5) (VUW GB 282/2-5) (VUW GB 362/2-5)
Maximum CH heat input (net) 26.7 (91,200) 31.1 (106,200) 31.1 (106,200) kW (Btu/h)
CH heat output range (80/60 °C) 8.9 - 24 10.4 - 28 10.9 - 28* (36,.9)
(30,400 - 81,900) (35,500 - 95,500) (37,200 - 95,500) kW (Btu/h)
Maximum DHW heat input (net) 26.7 (91,200) 31.1 (106,200) 40.5 (138,300) kW (Btu/h)
SEDBUK Band D D D
SAP Seasonal Efficiency 79.6 79.7 79.8 %
DHW heat output 24 28 36.9 kW
DHW flow rate ∆T = 35 °C rise 9.8 11.5 15.1 l/min
DHW flow rate at factory set
temperature rise (∆T 42 °C) 8.2 9.5 12.6 l/min
Mains water pressure required
for max. flow rate 0.5 0.5 0.5 bar
Minimum water flow rate 1.5 1.5 1.5 l/min
Mains water pressure required
for min. flow rate 0.15 0.15 0.15 bar
Maximum inlet water pressure 10 10 10 bar
Inlet gas working pressure
required (natural gas) 20 20 20 mbar
Gas supply (G20) Gross CV (s.t.) 37.8 37.8 37.8 MJ/m
3
Gas burner pressure max. rate 9.8 10.5 12.0 mbar
Gas burner pressure ignition rate 1.9 1.8 1.2 mbar
Gas rate max. (DHW) 2.8 3.3 4.3 m
3
/h
CH temperature flow range 35 - 82 35 - 82 35 - 82 °C
Minimum CH water flow
(for 20 °C rise) 1032 1203 1203 ** l/h
Pump pressure available 0.25 (25) 0.25 (25) 0.25 (25) bar (KPa)
Expansion vessel
pre-charge pressure 0.75 0.75 0.75 bar
Maximum CH system pressure 3 3 3 bar
Weight 43 45 48 kg
Primary water content 2.0 2.0 2.2 l
Electrical supply 230/50 230/50 230/50 V~/Hz
External fuse 3 3 3 A
Power input 150 150 130 W
Case height 800 800 800 mm
Case width 440 440 440 mm
Case depth 338 338 338 mm
3 Boiler Specification
3.1 Technical Data
* factory setting; ** at factory setting