Central Heating Mode Operation
28
Heating sensor
To radiators
Maximum operating pressure: 43.5 psi / 3 bar
Temperature selectable between
86ºF/30ºC and 194ºF/90ºC
Temp. Res. kW
14ºF/10 ºC 55.2
32ºF/ 0 ºC 32.6
50ºF/10 ºC 19.9
68ºF/20 ºC 12.4
77ºF/25 ºC 10.0
86ºF/30 ºC 8.06
104ºF/40 ºC 5.33
122ºF/50 ºC 3.60
140ºF/60 ºC 2.49
158ºF/70 ºC 1.75
176ºF/80 ºC 1.25
194ºF/90 ºC 0.91
212ºF/100 ºC 0.67
230ºF/110 ºC 0.51
Expansion Vessel
Fill pressure:10.88 psi / 0.75 bar.
Butyl diaphragm and nitrogen charge
Useful capacity: 1.19 gal (4,5 litres)
Heat Exchanger
6 steps in Heating:
3 for flow and 3
for return
3
Primary capacity: 0.08 gal/ 300 cm
3
Secondary capacity: 0.07 gal/ 270 cm
Heating Flow pipe
Ø 0.71" / 18 mm external
Laura 20/20F wall-hung waterheaters
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