801
14
Important Note - Always use two spanners to prevent twisting of soft copper pipework on the boiler.
Flush out the water system.
Note - The maximum inlet cold water pressure must not exceed 10 bar (145 P.S.I.) and a water
governor or a pressure reducing valve will be required if the pressure is in excess of 5 bar (72 P.S.I.).
Ensure all pipework is adequately supported.
Drilling template
2 Gas 22 mm
3 Domestic Hot Water
outlet 15 mm
5 Outlet central heating
safety valve 15 mm
4 Domestic Cold Water inlet 15 mm
6 Central Heating flow outlet 22 mm
7 Central Heating return inlet 22 mm
Important Note - Always use two spanners to prevent twisting of soft copper pipework.
Note - The central heating safety valve (5) should be piped 15 mm to discharge safely outside the property.
Fig. 10
1 = Electrical cable entry
2 = Gas supply
3 = Domestic Hot Water outlet
4 = Domestic Cold Water Inlet
5 = Outlet Central Heating safety valve
6 = Central Heating flow outlet
7 = Central Heating return inlet
2
= 22 mm
3-4-5 = 15 mm
6-7
= 22 mm
Fig. 11
Side flue outlet
Diam. min. 118 mm
Fixing stud
boiler
Upper bracket
Rear flue outlet
Diam. min. 118 mm
Boiler = 480 mm
Lower bracket
