Conversion To A Different; Type Of Gas - Bosch Pilot Ignition TF250 Series Installation Manual And Operating Instructions

Commissioning 10 litres appliances
D
Fig. 10 Burner pressure test point
▶ Turn on gas to the appliance and relight the pilot.
▶ Ensure water control knob is wound fully clockwise
(minimum flow) and gas control slide set to the right
(maximum gas flow).
▶ Turn on the water heater with several hot taps open.
▶ Adjust burner pressure to slightly below the burner
pressure figure on the data plate (table 8). Loosen the
locking screw (Fig. 11 [F]), and turn the knurled
adjustment wheel (Fig. 11 [E]) clockwise to increase, or
anticlockwise to decrease the pressure.
▶ Raise burner pressure to the burner pressure figure (See
table 8).
▶ Tighten locking screw of knurled adjustment wheel
(Fig. 11[F]).
▶ Turn off water heater, remove manometer and tighten
burner test point captive screw.
Max. Burner
TF250
Pressure (kPa)
Table 8 Burner pressure
14
9708069951-9.1V
Natural gas LP gas
0.87 kPa 2.4 kPa
Fig. 11 Burner pressure adjustment
5.5 Conversion to a different type of gas
It is not recommended to convert these units to a different type
of gas.
Pilot Ignition – 6 720 886 398 (2021/02)