Technical data
6 720 611 447 GB (03.11)
48
Appendix
10.3 Heating/hot water output settings 
RD532i N.G.
10.4 Heating/hot water output settings 
RD532i L.P.G
10.5 Heating/hot water output settings 
RD537i N.G.
10.6 Heating/hot water output settings 
RD537i L.P.G
Natural gas G20
Display 
code
Heat 
output, 
kW
Heat 
input, 
kW
Gas vol. flow rate 
(l/min at
t
V
/t
R
 = 80/60°C)
30 9.1 9.2 16.0
40 12.1 12.2 21.4
50 15.1 15.3 26.7
60 18.1 18.3 32.0
70 21.1 21.4 37.4
80 24.2 24.4 42.7
90 27.2 27.5 48.0
100 30.2 30.5 53.4
Table 20
Propane
Display 
code
Heat output kW Heat input kW
40 12.1 12.2
50 15.1 15.3
60 18.1 18.3
70 21.1 21.4
80 24.2 24.4
90 27.2 27.5
100 30.2 30.5
Table 21
Natural gas G20
Display 
code
Heat 
output, 
kW
Heat 
input, 
kW
Gas vol. flow rate 
(l/min at t
V
/t
R
 = 
80/60°C)
30 11.1 11.3 19.7
40 14.9 15.0 26.3
50 18.6 18.8 32.8
60 22.3 22.5 39.4
70 26.0 26.3 45.9
80 29.7 30.0 52.5
90 33.4 33.8 59.1
100 37.1 37.5 65.6
Table 22
Propane
Display 
code
Heat output, kW Heat input, kW
40 14.9 15.0
50 18.6 18.8
60 22.3 22.5
70 26.0 26.3
80 29.7 30.0
90 33.4 33.8
100 37.1 37.5
Table 23










