GB-5
D
GB
F
NL
I
E
Labelling the PFA
▷
Each PFA can be labelled individually.
Attach label or sticker to the space provided on the
handle of the fieldbus interface.
PFA
Zone 3
▷
The size of this space is 28 × 18 mm
(1.10 × 0.71").
Commissioning
▷
During operation, the 7-segment display shows the
program status:
––
Unit Off
Programming mode
0.0.
(blinking dots) Manual mode
OP
Normal operation
P
Profibus fault
WARNING
Check the system for tightness before commissioning.
Do not start the PFA until the downstream automatic
burner control units have been properly commissioned.
Switch on the system.
▷
The display indicates
––
.
Switch on the PFA by pressing the On/Off button.
▷
As soon as the flashing display
P
goes out and
the display indicates
OP
, the data traffic is operating.
Manual operation
The PFA can be started in manual mode for burner adjust-
ment or for fault-finding:
▷
Using the opto-adapter and the BCSoft software, the
operating mode parameters for manual mode can
be changed.
CAUTION
If parameters are changed, stick the supplied adhesive
label “Changed parameters” on the PFA – see page 12
(Accessories).
Switch on the system.
Apply voltage to terminals 19 and 20 on the terminal
strip X10.
Switch on the PFA by pressing the On/Off button while
holding down the Reset/Information button. Hold the
button until both dots in the display start to blink.
▷
The display indicates
0.0.
.
▷
Deactivate manual mode by pressing the On/Off
button.
▷
After 5 minutes in manual mode, the PFA switches
back to normal operation automatically.
When using operating mode parameters set at the
factory
PFA 700, PFA 70
Parameter 43 = 1
4
Press the Reset/Information button for 1 s.
▷
The display indicates step
04
.
▷
The PFUs start the burners and open the air valve
via the external control system (programming of the
operating mode at the factory).
When using adjusted operating mode parameters
ON/OFF operating mode
PFA 700 in conjunction with PFU 760
Parameter 43 = 2
4
Press the Reset/Information button for 1 s.
▷
The display indicates step
03
.
▷
The PFUs start the burners.
5
Press the Reset/Information button for 1 s.
▷
The display indicates step
00
.
▷
The PFUs switch off all the burners.
▷
By pressing the Reset/Information button repeatedly,
the PFUs are activated to switch between burner start
(the display indicates step
03
) or burner off (the display
indicates step
00
).
PFA 700 in conjunction with PFU 760..L
Parameter 43 = 3
4
Press the Reset/Information button for 1 s.
▷
The display indicates step
01
.
▷
The PFUs start the burner pre-purge procedure.
WARNING
The pre-purge duration is not included in the program.
Pre-purge until the combustion chamber has been ad-
equately ventilated.
5
Press the Reset/Information button for 1 s.
▷
The display indicates step
03
.
▷
The PFUs start the burners.
6
Press the Reset/Information button for 1 s.
▷
The display indicates step
00
.
▷
The PFUs switch off all the burners.
▷
By pressing the Reset/Information button repeatedly,
the PFUs are activated to switch between pre-purge
(the display indicates step
01
), burner start (the display
indicates step
03
) or burner off (the display indicates
step
00
).
