Water Connection; Gas Connection; Testing - Bosch Pilot Ignition TF250 Series Installation Manual And Operating Instructions

Installation
Fig. 6 Heater mounting
[A] Appliance upper right corner position
4.4

Water connection

Purge the water pipes before connection, because the
presence of dirt may reduce the flow and, in extreme cases,
cause a blockage.
▶ Identify the cold water pipe and the hot water pipe, so as to
avoid any possible cross-connection.
▶ Check and ensure water filter cleanness.
Fig. 7 Water connection
[A] Hot Water Outlet
[B] Cold Water Inlet
12
CAUTION:
Isolating valve on the water inlet line must be
a Gate or ¼ turn full flow Ball Valve. A Stop
Valve, Duo Valve or Non-Return Valve must
not be fitted.
4.5

Gas connection

DANGER:
If local regulations are not followed, a fire or
explosion could result causing property
damage, personal injury, or loss of life.
Size gas supply as per AS/NZS5601.
Incorrect gas pipe sizing will not be covered
by the warranty.
Gas regulator
The appliance is supplied with a gas pressure regulator already
installed. A regulator must be fitted to LPG cylinders to supply
the correct pressure to the appliance regulator.
The gas pressures require setting upon installation.
▶ Open all water and gas isolation valves.
▶ Purge the pipes.
4.6

Testing

▶ Turn on the gas and water valves and check all connections
for leaks. If all connections are sound then follow
procedures set out in Section 5 for adjustment of Gas
Pressures to complete appliance commissioning.
Pilot Ignition – 6 720 886 398 (2021/02)