17
3. Note
Only remove the locking clip under the gas pipe
union nut once the appliance has been installed.
Clip is no longer required.
4.
Tighten union nuts so that they form a tight seal.
Tighten the union nuts as tightly as necessary and
ensure that the components are undamaged and
are functioning correctly throughout service life.
Observe torque settings if a torque wrench is avail-
able.
Check for gas tightness to BSI 6891.
Torque settings:
■
Union nuts G
¾
: 30 Nm
■
Union nuts G
½
: 24 Nm
When carrying out any work on gas connection fit-
tings, hold with a suitable tool. Never transfer any
forces to the internal components.
5.
Tighten locking ring fittings so that they form a tight
seal:
One turn beyond finger-tight.
Fitting the boiler to the wall mounting bracket
Note
Various installation components can be found in a sep-
arate pack. Keep the installation components safe, as
they will be required for later installation.
Installation sequence
Mounting the boiler and making connections
(cont.)
6173886
Installation
Содержание B0KA
Страница 14: ...14 1 4 5 3 2 Fig 4 Installation sequence Removing the boiler from the packaging 6173886 Installation ...
Страница 28: ...28 1 2 Fig 20 Installation sequence Fitting the front panel 6173886 Installation ...
Страница 78: ...78 1 2 3 6 4 5 7 Fig 42 Troubleshooting Repairs cont 6173886 Diagnosis ...