Detroit Radiant Products EDX Series, Инструкция по установке, эксплуатации, обслуживанию и каталог запасных частей, Страница: 39 / 44

39
EDX Series
1
If the heater is already installed, switch the gas and electricity OFF, then remove the heater to the
ground level.
2
Remove the injectors.
3
Replace the injectors with the correctly sized injectors for propane (see Chart 1.2).
4
Re-install heater and connect electrical and gas supply.
5
Connect gas pressure gauge to operating pressure test point on the outlet of the gas valve (see
commissioning on page 36).
6
Switch the heater ON.
7
Read the operating pressure from the pressure gauge. This must be adjusted to
25 mbar.
8
Remove the sealing ring on the governor adjusting screw. Turn the screw clockwise to increase the gas
pressure to
25 mbar
(see pressure adjustment on page 31).
9
When operating pressure has stabilized at 25 mbar , switch the heater OFF.
10
Remove pressure gauge and replace pressure test point screw.
11
Re-seal the governor adjusting screw using the sealing ring.
12
Replace or amend the heater data badge to show that the heater has been adjusted for LPG.
1
If the heater is already installed, switch the gas and electricity OFF, then remove the heater to the
ground level.
2
Remove the injectors.
3
Replace the injectors with the correctly sized injectors for natural gas (see Chart 1.2).
4
Re-install heater and connect electrical and gas supply.
5
Connect gas pressure gauge to operating pressure test point on the outlet of the gas valve (see
commissioning on page 36).
6
Switch the heater ON.
7
Read the operating pressure from the pressure gauge. This must be adjusted to
15 mbar
.
8
Remove the sealing ring on the governor adjusting screw. Turn the screw counter-clockwise to reduce
the gas pressure to 15 mbar .
9
When operating pressure has stabilized at 15 mbar , switch the heater OFF.
10
Remove pressure gauge and replace pressure test point screw.
11
Re-seal the governor adjusting screw using the sealing ring.
12 Replace or amend the heater data badge to show that the heater has been adjusted for natural gas.
1
Follow the procedure outlined above for conversion of a heater for operation on natural gas.
2
The gas valve on the heater (SIT valve model 0.840.061) must be replaced with a different valve (SIT
valve model 0.830.010). This valve incorporates a gas flow adjuster instead of a governor.
3
The operating pressure must be adjusted to
15 mbar
as described above.
4
Seal the flow rate adjuster screw using the sealing ring.
5
Replace or amend the heater data badge to show that the heater has been adjusted.
WARNING : The inlet gas pressure must not exceed 20 mbar for G20 or 25 mbar for heater equipped
with a flow adjuster.
Converting a Heater from Natural Gas (I2H) to LPG (I3P)
Converting a Heater from LPG (I3P) to Natural Gas (I2H)
Converting a Heater for Operation on Nat. Gas (I2E+) in France or Belgium
5.0 Maintenance • Converting Heaters from One Gas to Another