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The control panel
44
Instruction Manual BFC
5
gis
5.3
Explanation of the 
icons
 gives an explanation of the icons.
5.4
ON/OFF switch of 
ThermoControl
The ON/OFF switch of the ThermoControl switches the appliance ON and OFF. 
Note that in the OFF position the appliance remains electrically live, in order for 
the continuous pump to stay running.
After switching on, the text 
INTERNAL CHECK
 appears on the display for about 
10 seconds. The main menu then appears (see chapter 
selection is made in the main menu, the appliance automatically switches to 
OFF mode. See paragraph 
n
Remark
To electrically disconnect the appliance, you must use the main switch 
between the appliance and the mains power supply.
5.5
Navigation buttons
The use of these buttons is explained with the help of 
. This figure 
shows the main menu. See also chapter
The navigation buttons are:
Buttons UP H and DOWN L;
Enter: E;
Reset button: R
The arrows 
^
 and 
È
 indicate that you can scroll up and/or down. Use buttons H 
and L to scroll. 
The cursor » points to the option to be activated. In the display as shown in 
 you can scroll through the main menu.
The main menu consists of: 
OFF
ON
WEEK PROGRAM
EXTRA PERIOD
 and 
SETTINGS
. The options 
EXTRA PERIOD
 and 
SETTINGS
 only become visible 
after scrolling downwards.
The selected option is confirmed using E.
With the R button, you go back one page in a menu, and all options 
selected in the current menu are lost.
n
Remark
The R button is also used to reset the appliance following an error.
5.6
PC connection.
The PC connection is exclusively intended for technicians from A.O. Smith who 
can read the status and history of the appliance. These details can be important 
for troubleshooting and/or responding to complaints.
Table 5.1 Icons and their meaning
Icon
Name
Explanation
W
Heat demand
Heat demand detected
S
Purge
Pre- and post-purge using fan
D
Pressure switch
Pressure switch is closed
O
Glow
(Pre)glow
G
Gas control
Gas control open / ignition
V
Flame detection Appliance running
 
  INTERNAL CHECK
Figure 5.3 Internal check
 
MENU
  OFF
^»ON
È WEEK PROGRAM
  EXTRA PERIOD
  SETTINGS
Figure 5.4 Navigation buttons