Potterton 36 Installation And Service Manual page 76

14 Appendix
14.3 Differences for LPG models
Tab.2 Gas category, type and supply pressure
Gas category
II
2H 3P
Potterton Assure Combi
Gas council numbers
Tab.23 Characteristics of combustion
Potterton Assure Combi
CO
2
76
3.1.3
Gas type
G31
3.2.1
Tab.15
25 LPG models
30 LPG models
The boiler is factory set for use on Propane (G31).
7.4.1
Measure the gas rate
3.
25 LPG model
30 LPG model
9.3.12
% (maximum) 10.5 + 0.5 – 0.1
% (minimum)
Important
The information in this section details the differences between
LPG models and equivalent Natural Gas versions
Gas category
Supply pressure (mbar)
37
Technical information
25 LPG
47 393 70
4.1
The boiler is set to give a maximum output of :-
25 kW DHW
21.16 kW CH Pnc (Condensing)
30 kW DHW
26.33 kW CH Pnc (Condensing)
Check the operational (working gas inlet pressure and
gas rate)
1.98 kg/h
2.38 kg/h
Gas valve
25 LPG
10.0 + 0.1 – 0.5
30 LPG
47 393 69
General description
30 LPG
10.5 + 0.5 – 0.1
10.0 + 0.1 – 0.5