Boiler installation sequence
Instructions for installation and servicing ecoTEC 839592_13
27
4
2
6
7
3
5
4
1
Fig. 4.5 Fitting the gas connection (example ecoTEC plus com-
bination boiler)
>
Fit the union nut (
2
) and the compression olive (
3
) to
the gas connection pipe (
1
) of the boiler.
>
Fit the union nut (
6
) and the compression olive (
5
) to
the pre-formed tail provided with ecoTEC plus appli-
ances (
7
).
>
Fully insert the service valve (
4
) onto the gas connec-
tion pipe and the pre-formed tail into the service
valve. Tighten both union nuts of the service valve.
>
The diameter of the pipework (
7
) is 15 mm (22 mm for
37kW models). Connect a gas supply pipe of not less
than 15 mm diameter to the copper tail.
i
Ensure the gas supply pipework is adequately
sized so that a 20 (mbar) hPa gas pressure is
available at the boiler inlet at full flow rate.
>
Tighten all connections.
>
Check the gas connection with leak indicator spray
for leakage.
4.10
Cold water mains inlet and hot water outlet
(ecoTEC combination boilers only)
1
2
3
4
5
6
7
Fig. 4.6 Installing the hot and cold water connection
(ecoTEC plus combination boiler)
bar
1
2
3
4
5
6
7
Fig. 4.7 Installing the hot and cold water connection
(ecoTEC pro combination boiler)
Summary of Contents for ecoTEC plus
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