Ambirad DR 130 Informasi Pengguna, Petunjuk Pemasangan dan Servis - Halaman 13

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CONVERTING A HEATER FOR OPERATION ON GROUP LL
NATURAL GAS (I2ELL) IN GERMANY
Follow the procedure outlined above for conversion of a heater for operation on Natural gas.
Replace the injectors with the correctly sized injectors for Group LL Natural gas. (see table on page 11).
Adjust the operating pressure to 15mbar using the procedure given on the previous page.
Seal the flow rate adjuster screw using the sealing ring.
Replace or amend the heater data badge to show that the heater has been adjusted.
CONVERTING A HEATER FOR OPERATION ON NATURAL GAS
(I2L) IN THE NETHERLANDS
Follow the procedure outlined the previous page for conversion of a heater for operation on Natural gas.
Replace the injectors with the correctly sized injectors for Group L Natural gas. (see table on page 11).
With an inlet gas pressure of 25 mbar, adjust the operating pressure to 15mbar using the procedure given on the
previous page.
Seal the flow rate adjuster screw using the sealing ring.
Replace or amend the heater data badge to show that the heater has been adjusted.

ADJUSTING THE GAS PRESSURE

The gas pressure is adjusted using the pressure adjusting screw on the SIT valve. On valve type 0.830.040 with
governor the screw is rotated clockwise to increase the pressure. On valve type 0.830.010 with flow adjuster the
screw is rotated anti-clockwise to increase the pressure.
The pressure adjusting screw is covered by a sealing ring. This must be removed prior to making any adjustments
and replaced afterwards.
GAS PRESSURE
ADJUSTING
SCREW
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