Installation Instructions

11
Making connections on the water side
For fittings on the heating water
side and DHW side, see separate
installation instructions.
BA DC E
¨
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A
Heating flow
B
Gas condensing boiler:
Cylinder flow
Gas condensing combi boiler:
Domestic hot water
C
Gas connection
D
Gas condensing boiler:
Cylinder return
Gas condensing combi boiler:
Cold water
E
Heating return
Gas condensing boiler
A
C
E
Installation sequence
Fitting the boiler and making connections
(cont.)
5609 059 GB
Installation