6
Installing the boiler
Logano plus GB312 - Technical specifications are subject to change without prior notice
36
6.11 Connecting the fuel supply
6.11.1 Installing gas feed
For details of the required gas pipe diameter, refer to
Table 10 and Table 11 on page 37. Make absolutely sure
that the pipe fittings have the correct thread size.
V
Make sure that a sediment trap is fitted at the inlet for
the gas supply pipe to the boiler.
V
The gas pipes must be fastened outside the boiler.
Observe the local regulations or else the requirements the
National Fuel Gas Code, ANSI Z 223.1 or CAN/CSA
B149.1 in Canada, when connecting the gas supply.
Where required by local regulations, the installation must
comply with the American Code for Controls and Safety
Devices for Automatically Fired Boilers (ASME CSD-1).
Accessories to comply with ASME CSD-1 are available
(please see page 112 and 93 in parts list).
Fig. 30 Gas valve pipe connection
1
Gas supply
2
Manual shut-off valve (supplied)
3
Sediment trap
4
Gas connection with isolating valve
Danger:
Risk of fatal injury from the explo-
sion of flammable gases.
V
Work on gas components may only be
carried out by qualified and authorized
personnel.
Fit and seal the gas isolating valve supplied
to the boiler's gas connection.
Danger:
Risk of explosion
Leakage from the gas pipes and gas connec-
tions may cause an explosion.
V
Carry out a proper leakage test using soap
solution.
7 747 010 720-22.1RS
1
4
2
3
Danger:
Risk of damage to system
due to short-circuits.
V
Cover the areas at risk before carrying out
the leakage test.
V
Do not spray leak detector onto cable
conduits, plugs or electrical connecting
leads or allow it to drip onto them.
