Operating instructions

10
BA DC E
¨
zz
A
Heating flow
B
Gas fired condensing boiler:
Cylinder flow
Gas fired condensing combi boiler:
DHW
C
Gas connection
D
Gas fired condensing boiler:
Cylinder return
Gas fired condensing combi boiler:
Cold water
E
Heating return
Safety valve connection
A
B
Connect safety valve drain A
(
7
15 mm) with visible outlet
B
to the
dewatering system or route with visible
outlet through the external wall.
Installation sequence
Installing the boiler and making all connections
(cont.)
5366 836 GB