Conversion To A Different Gas Category - Lochinvar CH 100 G CE Installation, Commissioning, User & Maintenance Instructions

4
4.1 Conversion to a
different gas
category
34

Conversion to a different gas category

1. Isolate the appliance from the power supply
from the mains").
2. Shut off the gas supply.
Caution
The burner may be hot.
3. Unscrew the cover plate (1) from the burner support.
4. Use a suitable tool to remove the retaining strips (2). Note that the retaining
strips have very sharp edges. Withdraw the retaining strips straight upwards.
Note
The radiation shield / condensation tray can be temporarily loosened to
simplify disassembly of the burner.
5. Remove the burners one by one from their brackets at the front. To do this,
you first move them away from you and then downwards. The orifices will
now be accessible
6. Remove the orifices.
7. Select and fit the correct orifices from the conversion kit, based on the gas
data table (3.4.3 "Gas data"). The orifice diameter is stamped on the orifice
itself, see (3).
8. Re-fit the burners back in their original position.
9. Re-fit the retaining strips.
10. If the radiation shield / condensation tray was loosened, re-fasten it.
11. Check whether there is a burner pressure regulator (1) attached to the gas
control, or simply a blank plate (5).
Note
If the supply pressure for a gas category is the same as the burner pressure
(see the gas data table (3.4.3 "Gas
with a blank plate with cork gasket. A burner pressure that deviates in
comparison to the supply pressure requires the use of a burner pressure
regulator with rubber gasket. Each conversion kit contains all the necessary
components.
12. If the blank plate or burner pressure regulator need to be replaced:
- If necessary, remove the blank plate or burner pressure regulator (5)
or burner pressure regulator (1).
- If necessary, fit the blank plate or burner pressure regulator supplied
with the conversion kit.
13. Check the supply pressure and burner pressure
pressure and burner pressure").
14. Remove the sticker showing the new gas category from the conversion kit,
and attach it below the appliance's rating plate. This clearly indicates that the
appliance may no longer be run on the gas for which it was originally
supplied.
15. Start the appliance (9 "Starting the water
(10.3 "Isolating the appliance
data")) then the gas control must be fitted
(3.11 "Checking the supply
heater").
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