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7.9.3
7.9.3.1
74
11.
Confirm with [ENTER].
The display shown here will appear
The appliance is now in Full load mode and will ignite.
12.
You must wait about 1 minute after the display shows the text RUNNING before
reading the dynamic pressures (the fan needs this time to get up to full speed, so
that you can get a reliable reading).
13.
Use the pressure gauge to read the supply pressure and compare it against the value
from the gas table (see section 12.3).
Note
Consult the mains gas supply company if the supply pressure is not correct.You cannot
yet start using the appliance. You must now take the appliance out of service (see section
4.2.2).
Note
After conversion, you must check that the gas control valve is gastight.
14.
Shut off the gas supply.
15.
Disconnect the pressure gauge and retighten the sealing screw in the test nipple.
16.
If there is nothing else you need to check or adjust, you can put the covers back on
the appliance.
Procedure for checking the gas control valve pressure
The procedure for checking the gas control valve pressure is only applicable to appliances
that have a pressure-reducing valve. If the appliance does not have a reducing valve,
continue from adjusting the CO
To check the gas control valve pressure, proceed as follows:
1.
Isolate the appliance from the power supply (see section 4.2.2).
2.
Carefully remove the covers from the appliance.
3.
The electrical section is now visible.
4.
The gas control valve has a test nipple that can be used for measuring the gas
control valve pressure. This test nipple has a sealing screw. Loosen the sealing screw
by a few turns. Do not completely loosen it as it can be difficult to retighten.
5.
Open the gas supply.
6.
Connect a pressure gauge to the test nipple.
7.
Switch on the power to the appliance using the isolator on the appliance.
8.
Switch the controller ON by setting the 0/I switch to position I .
The display will now show INTERNAL CHECK for about 10 seconds, and will then go
to the main menu.
Procedure for checking the gas control valve pressure
1.
Select SERVICE OPERATION, FULL LOAD from the service menu.
value (see section 7.9.4).
2
Installation, Maintenance and Service part
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