27
20146119
GB
Installation
5.13.24 Lockout log
The control box allows the logging of the type and number of lock-
outs that have occurred and keeps them even without the electri-
cal power supply.
The logs of the lockouts allows you to access the last 10 lockouts
(see paragraph
“Programming menu”
on page 28).
Once the programming menu page has been reached by press-
ing the reset button the last lockout is displayed, pressing 10
times displays the least recent lockout (each time the burner
reaches the lockout condition the oldest one is removed).
5 seconds after the last pressing of the buttons, the type of lock-
out is displayed, see paragraph
“Fault diagnostics - lockouts”
on page 23).
5.13.25 Logging of burner operating parameters
The control box allows you to log the operating time of the open-
ing of the gas valve.
In this way it is possible to establish how much fuel has been con-
sumed during the operation.
The frequency of the count is 1 second.
Saving to memory (eeprom) of the data occurs every 30 minutes
if the burner is on.
Saving to memory is carried out even if in the previous 30 min-
utes the control box was operating only for a short period of time.
If the control box is cut off from the mains power supply between
one saving and the next (after 30 minutes) the information about
this interval is lost.
If in the interval between one saving and the next a lockout is set,
there is writing to memory that involves also the logging of the op-
erating hours.
Together with the operating hours also the number of the burner's
1st stage valve openings is saved.
In the menu (see paragraph
“Programming menu”
on page 28)
it is possible to independently reset both the operating hours me-
ter and the meter for the number of openings of the 1st stage
valve that occurred.
The number of openings of the 1st stage valve is a maxi-
mum of: 16.777.215 (after which it is reset).
The meter for the number of openings of the first stage valve
is a maximum: 65,535 days (after which it is reset).
To display these parameters it is necessary to connect the PC
DGT1000 diagnostic software kit.
5.13.26 Admissible lengths of the external
connections to the burner
Tab. K
5.13.27 Long pre-purging
If a long pre-purging is enabled, an initial pre-purging of 1 min and
20 sec beyond the default pre-purging time (40 sec) is carried
out.
In recycles due to flame loss when operating, the long pre-purg-
ing is not carried out but only the pre-purging with the default time
(40 sec).
If there is a loss of air pressure during the long pre-purging, the
recycle involves a repetition of the pre-purging that is this case is
1 min and 20 sec added to 40 sec.
Outlet cables of the burner
Identification
Maximum
length
permitted
(metres)
Mains electric power supply
L1 (L), N
20
GAS pressure switch
PG
1
Heat request thermostat
TL (T1,T2)
2
Hour counter
B4
3
External lockout indicator
S3
20
Remote reset
R (RS)
20
WARNING
In the event of burner applications with remote
control commands greater than those indicated in
Tab. K, insert the relay command devices
(230Vac) with contacts placed near or not more
than the maximum indicated lengths.
