A.O. Smith BFC - 28 - Manual (Page 35)

Conversion to a different gas category
Release R.1.3 UK 35
is
17. Activate the “OFF mode” of the ThermoControl:
- If the MENU is not displayed:
press B.
- Use H and L to position the cursor ( » ) beside OFF
- Confirm with E.
18. Wait until the fan has stopped. and turn the ThermoControl off.
c Note
Failure to wait until the fan stops can cause damage to the appliance.
19. Shut off the gas supply.
20. Disconnect the two pressure gauges and re-tighten the sealing screws in the
test nipples.
21. Replace the plastic covers.
n Remark
Before starting-up the appliance, take time to fill in the warranty card
supplied with the appliance. This enables us to guarantee the quality of our
systems, and to further enhance our warranty procedure.
Please return this card as soon as possible. Your customer will then receive
a warranty certificate with our warranty conditions.
3.12 Conversion to a
different gas
category c Note
The conversion may only by carried out by an authorised installer.
If the appliance must operate on a family of gas (LP gas or natural gas) other
than the category of gas for which the appliance has been set up at the
factory, the appliance will have be adapted using a special conversion kit.
c Note
After conversion, check the supply pressure and the burner pressure.
1. Disconnect the appliance from the mains. See paragraph ’7.3.2 Disconnect
the appliance from the mains’ .
2. Shut off the gas supply.
3. Undo the screws of the plastic covers.
4. Carefully remove the black plastic covers from the appliance.
5. Loosen the 2 screws of the electrical section, and remove the protective cap
from the electrical section Figure 3.6 ).
6. Detach the connector
1
that connects the cabling of the glow igniter and the
ionisation rod to the controller.
7. Detach the three-part gas coupling
2
adjacent to the burner.
- Detach the air supply hose
3
.
- Detach the detach the pressure switch hose
4
.
MENU
» OFF
^ ON
È WEEK PROGRAM
Figure 3.11 Main menu