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Installation
38
Instruction manual BFC
3
is
7. Connect a pressure gauge to the test nipple as soon as gas starts to flow
from it.
8. Switch on the power to the appliance using the isolator on the appliance.
9. 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.
10. Select
SERVICE OPERATION
,
FULL LOAD
from the service menu.
11. Confirm with
.
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 (3.4.3 "Gas data").
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 (10.3 "Isolating the water heater from the mains").
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.
3.11.2
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
2
value (3.11.3 "CO
2
adjustment").
To check the gas control valve pressure, proceed as follows:
1. Isolate (10.3 "Isolating the water heater from the mains") the appliance from
the power supply.
2. Carefully remove the covers from the appliance.
INTERNAL CHECK
SERVICE MENU
SERVICE INTERVAL
»SERVICE OPERATION
È ANTI LEGIONELLA
SERVICE OPERATION
»FULL LOAD
PARTIAL LOAD
Содержание 120 through 250 Series
Страница 4: ...E2 ...
Страница 6: ...4 Instruction manual BFC gis ...
Страница 10: ...Contents 8 Instruction manual BFC ...
Страница 31: ...Instruction manual BFC 29 is Installation types IMD 0789 R0 C43 C13 C53 B23 C33 ...
Страница 48: ...Conversion to a different gas category 46 Instruction manual BFC 4 is ...
Страница 58: ...Status of the water heater 56 Instruction manual BFC 8 gis ...
Страница 62: ...Shutting down 60 Instruction manual BFC 10 gis ...
Страница 74: ...Service program 72 Instruction manual BFC 12 is ...
Страница 88: ...Service interval 86 Instruction manual BFC 14 is ...
Страница 97: ...Instruction manual BFC 95 is ...
Страница 100: ...Appendices 98 Instruction manual BFC 17 is 17 4 Declaration of conformity Declaration of conformity ...
Страница 102: ...Instruction manual BFC 100 ...