Shutdown Test; Post-Purging And Continuous Purging; Intermittent Operation; Setting A Long Pre-Purging - Riello RG2 Installation, Use And Maintenance Instructions

6.8.3

Shutdown test

Sequence for shut-down test programming
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 5 sec.  t < 10 sec.
 The RED LED blinks twice (0.2 sec. ON; 0.2 sec. OFF).
 Release the button.
 The burner will begin a shutdown, followed by a restart.
After shut-down, the burner restarts automatically and the no. of
attempts of recycle are restored.
At the exit of shut-down test page menu there are no blinking led.
6.8.4

Post-purging and continuous purging

The post-purging time can be set for a maximum of 6 minutes,
proceeding as follows:
Programming sequence
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 10 sec.  t < 15 sec.
 GREEN LED blinking 1 time
 Release the button
 GREEN LED OFF
 Press the button 1 - 6 times (*) = 1 - 6 minutes
7 times = continuous purging
 GREEN LED ON and OFF every time press and release
 After 10 sec., the GREEN LED will blink for the number of
times programmed (0.5 sec. ON; 0.5 sec. OFF)
Disabling sequence
 Reset allowed in OPERATING mode and in STAND-BY.
 Press the button for 10 sec.  t < 15 sec.
 GREEN LED blinking 1 time
 Release the button
 GREEN LED OFF
 Press the button 8 times (*)
 GREEN LED ON and OFF every time press and release
 After 10 sec. the GREEN LED blinks for 8 times (0.5s ON;
0.5s OFF)
If heat request stops during programming of post-purging
function, the exit menu occurs without saving the setting
value.
If heat request stops during the LED blinking occur exit
menu, but the setting value is stored.
6.8.5

Intermittent operation

Sequence for enable/disable
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 20 sec.  t < 25 sec.
 GREEN LED blinking 3 times
 Release the button
 GREEN LED OFF
 Press the button 1 time to enable a shut-down every hour (*)
 Press the button 2 times to enable a shut-down every 24
hours (*)
Start-up, calibration and operation of the burner
 GREEN LED ON and OFF every time press and release
 After 10 sec., the GREEN LED will blink for the number of
times programmed (0.5 sec. ON; 0.5 sec. OFF).
The modification of the parameter setting for Intermittent opera-
tion takes effect:
 after the next heat request by the thermostat (HT)
 after the activation of a switch-off test
 after flame disappearance during operation
 after disconnecting and reconnecting the electrical supply
6.8.6

Setting a long pre-purging

The control box allows you to set the long pre-purging, see para-
graph "Block diagram for entering the menu" on page 34.
Sequence for setting a long pre-purging
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 30 sec. ≤ t < 35 sec.
 The GREEN LED blinks 5 times.
 Release the button.
 GREEN LED OFF
 Press the button 1 time to enable the long pre-purging (*)
 Press the button 2 times to disable the long pre-purging (*)
 GREEN LED ON and OFF every time press and release
 After 10 sec., the GREEN LED will blink for the number of
times programmed (0.5 sec. ON; 0.5 sec. OFF).
6.8.7

Displaying the lockout log

The control box allows you to display the last 10 lockouts that oc-
curred and were logged, accessing the Programming menu.
Access to this page is possible both in STAND-BY, as well as in
the OPERATING status.
Display sequence of the last lockout that occurred
 Keep the button pressed for 35 sec. = t < 40 sec.
 The GREEN LED blinks 6 times.
 Release the button.
 Displaying the type of lockout memorised for 10 sec.
The time displaying the type of lockout can be extended by re-
pressing the reset button during the display of the lockout (the
lockout display continues for another 10s).
NOTE:
(*) Always wait 1 sec. with each pressing and release of the
button to ensure the command is logged correctly.
35 GB
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