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Gas fired boiler and
DHW cylinder positioning
Connection set ...SW-120 for
surface installation
Gas fired boiler and
DHW cylinder pipework
Three-way changeover
valve installation
2
CSW / TSW connection set
for installation on finished walls
Connection
panel
TSW without decorative panel
480
344
400
DHW cylinder cutout for supply lines
Install the gas fired boiler in accordance with installation instructions.
Locate the DHW cylinder below and in alignment with the boiler.
Three-way
changeover valve
Gas fired boiler
Primary flow
DHW flow
P+T-Valve
Domestic hot water
Domestic hot
water cylinder
Gas fired boiler and DHW cylinder are installed in the following steps as shown:
Dummy plug
- Remove the dummy plug from the heating return.
Primary
return
- Remove the bend from the heating flow.
Elbow
Primary
- Install the three-way changeover valve from the connection set with the enclosed
flow
gaskets to the heating flow.
Three-way
changeover
valve
CSW
DHW cylinder cutout for supply lines
TSW with decorative panel
480
344
400
Connection
panel
DHW cylinder cutout for supply lines
Gas supply pipe
P+T-pipe
Connection
panel
Connection
panel
DHW return
vent valve
DHW flow
vent valve
Evacuation
Primary return
DHW return
Cold water
Tundish
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